2020-03-04 Release Manager * GCC 8.4.0 released. 2020-03-02 Martin Liska Backport from mainline 2020-02-28 Martin Liska PR other/93965 * configure.ac: Improve detection of ld_date by requiring either two dashes or none. * configure: Regenerate. 2020-02-29 Peter Bergner Revert 2020-02-20 Peter Bergner PR target/93658 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX vector modes. 2020-02-03 Michael Meissner * config/rs6000/rs6000.c (get_vector_offset): New helper function to calculate the offset in memory from the start of a vector of a particular element. Add code to keep the element number in bounds if the element number is variable. (rs6000_adjust_vec_address): Move calculation of offset of the vector element to get_vector_offset. (rs6000_split_vec_extract_var): Do not do the initial AND of element here, move the code to get_vector_offset. 2020-02-05 Michael Meissner PR target/93568 * config/rs6000/rs6000.c (get_vector_offset): Fix Q constraint assert to use MEM. 2020-01-06 Michael Meissner * config/rs6000/vsx.md (vsx_extract__var, VSX_D iterator): Use 'Q' for doing vector extract from memory. (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from memory. (vsx_extract__var, VSX_EXTRACT_I iterator): Use 'Q' for doing vector extract from memory. (vsx_extract__mode_var): Use 'Q' for doing vector extract from memory. 2020-02-26 Carl Love PR target/91276 * doc/extend.texi (PowerPC AltiVec Built-in Functions): The builtin-function name __builtin_crypto_vpmsumb is only for the vector unsigned short arguments. It is also listed as the name of the built-in for arguments vector unsigned short, vector unsigned int and vector unsigned long long built-ins. The name of the builtins for these arguments should be: __builtin_crypto_vpmsumh, __builtin_crypto_vpmsumw and __builtin_crypto_vpmsumd respectively. 2020-02-26 Jakub Jelinek PR tree-optimization/93820 * gimple-ssa-store-merging.c (check_no_overlap): Change RHS_CODE argument to ALL_INTEGER_CST_P boolean. (imm_store_chain_info::try_coalesce_bswap): Adjust caller. (imm_store_chain_info::coalesce_immediate_stores): Likewise. Handle adjacent INTEGER_CST store into merged_store->only_constants like overlapping one. 2020-02-25 Jakub Jelinek PR rtl-optimization/93908 * combine.c (find_split_point): For store into ZERO_EXTRACT, and src with mask. 2019-02-25 Eric Botcazou * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode. 2020-02-25 Roman Zhuykov Backport from master 2020-02-24 Roman Zhuykov * doc/install.texi (--enable-checking): Properly document current behavior. (--enable-stage1-checking): Minor clarification about bootstrap. 2020-02-25 Richard Sandiford Backport from mainline 2020-02-19 Richard Sandiford PR tree-optimization/93767 * tree-vect-data-refs.c (vect_compile_time_alias): Remove the access-size bias from the offset calculations for negative strides. 2020-02-25 Richard Sandiford Backport from mainline 2020-01-28 Richard Sandiford PR tree-optimization/93434 * tree-predcom.c (split_data_refs_to_components): Record which components have had aliasing loads removed. Prevent store-store commoning for all such components. 2020-02-25 Richard Sandiford Backport from mainline 2019-12-05 Richard Sandiford PR middle-end/92768 * tree-core.h (OEP_BITWISE): New flag. * fold-const.c (operand_compare::operand_equal_p): Handle it. * tree-vector-builder.h (tree_vector_builder::equal_p): Pass it. 2020-02-25 Richard Sandiford Backport from mainline 2019-11-11 Richard Sandiford PR tree-optimization/92420 * tree-vect-stmts.c (get_negative_load_store_type): Move further up file. (get_group_load_store_type): Use it for reversed SLP accesses. 2020-02-25 Richard Sandiford Backport from mainline 2019-08-09 Richard Sandiford PR middle-end/90313 * tree-tailcall.c (find_tail_calls): Reject calls that might read from an escaped RESULT_DECL. 2020-02-24 Jason Merrill PR c++/92003 * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has non-zero address even if weak and not yet defined. 2020-02-23 Peter Bergner Backport from master 2020-02-20 Peter Bergner PR target/93658 * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX vector modes. 2020-02-23 Peter Bergner Backport from master 2020-02-03 Michael Meissner * config/rs6000/rs6000.c (get_vector_offset): New helper function to calculate the offset in memory from the start of a vector of a particular element. Add code to keep the element number in bounds if the element number is variable. (rs6000_adjust_vec_address): Move calculation of offset of the vector element to get_vector_offset. (rs6000_split_vec_extract_var): Do not do the initial AND of element here, move the code to get_vector_offset. Backport from master 2020-02-05 Michael Meissner PR target/93568 * config/rs6000/rs6000.c (get_vector_offset): Fix Q constraint assert to use MEM. 2020-02-23 Peter Bergner Backport from master 2020-01-06 Michael Meissner * config/rs6000/vsx.md (vsx_extract__var, VSX_D iterator): Use 'Q' for doing vector extract from memory. (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from memory. (vsx_extract__var, VSX_EXTRACT_I iterator): Use 'Q' for doing vector extract from memory. (vsx_extract__mode_var): Use 'Q' for doing vector extract from memory. 2020-02-21 John David Anglin * gcc/config/pa/pa.c (pa_function_value): Fix check for word and double-word size when handling aggregate return values. * gcc/config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate that homogeneous SFmode and DFmode aggregates are passed and returned in general registers. 2020-02-20 Uroš Bizjak PR target/93828 * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand to destination operand for shufps alternative. (*vec_extractv2si_1): Ditto. 2020-02-20 Bernd Edlinger * collect2.c (tool_cleanup): Avoid calling not signal-safe functions. (maybe_run_lto_and_relink): Avoid possible signal handler access to unintialzed memory (lto_o_files). 2020-02-20 H.J. Lu Backport from master 2020-02-13 H.J. Lu PR target/93656 * config/i386/i386.c (ix86_trampoline_init): Skip ENDBR32 at the target function entry. 2020-02-17 Richard Biener Backport from mainline 2020-01-22 Richard Biener PR tree-optimization/93381 * tree-ssa-structalias.c (find_func_aliases): Assume offsetting throughout, handle all conversions the same. 2020-02-17 Richard Biener Backport from mainline 2020-01-28 Richard Biener PR tree-optimization/93439 * tree-parloops.c (create_loop_fn): Move clique bookkeeping... * tree-cfg.c (move_sese_region_to_fn): ... here. (verify_types_in_gimple_reference): Verify used cliques are tracked. 2020-02-17 Richard Biener Backport from mainline 2020-01-09 Richard Biener PR middle-end/93054 * gimplify.c (gimplify_expr): Deal with NOP definitions. 2020-02-17 Richard Biener Backport from mainline 2020-01-20 Richard Biener PR debug/92763 * dwarf2out.c (prune_unused_types): Unconditionally mark called function DIEs. 2020-02-17 Richard Biener Backport from mainline 2019-11-29 Richard Biener PR tree-optimization/92704 * tree-if-conv.c (combine_blocks): Deal with virtual PHIs in loops performing only loads. 2020-02-17 Richard Biener Backport from mainline 2019-11-27 Richard Biener PR middle-end/92674 * tree-inline.c (expand_call_inline): Delay purging EH/abnormal edges and instead record blocks in bitmap. (gimple_expand_calls_inline): Adjust. (fold_marked_statements): Delay EH cleanup until all folding is done. (optimize_inline_calls): Do EH/abnormal cleanup for calls after inlining finished. 2020-02-14 Hongtao Liu PR target/93724 * config/i386/avx512vbmi2intrin.h (_mm512_shrdi_epi16, _mm512_mask_shrdi_epi16, _mm512_maskz_shrdi_epi16, _mm512_shrdi_epi32, _mm512_mask_shrdi_epi32, _mm512_maskz_shrdi_epi32, _m512_shrdi_epi64, _m512_mask_shrdi_epi64, _m512_maskz_shrdi_epi64, _mm512_shldi_epi16, _mm512_mask_shldi_epi16, _mm512_maskz_shldi_epi16, _mm512_shldi_epi32, _mm512_mask_shldi_epi32, _mm512_maskz_shldi_epi32, _mm512_shldi_epi64, _mm512_mask_shldi_epi64, _mm512_maskz_shldi_epi64): Fix typo of lacking a closing parenthesis. * config/i386/avx512vbmi2vlintrin.h (_mm256_shrdi_epi16, _mm256_mask_shrdi_epi16, _mm256_maskz_shrdi_epi16, _mm256_shrdi_epi32, _mm256_mask_shrdi_epi32, _mm256_maskz_shrdi_epi32, _m256_shrdi_epi64, _m256_mask_shrdi_epi64, _m256_maskz_shrdi_epi64, _mm256_shldi_epi16, _mm256_mask_shldi_epi16, _mm256_maskz_shldi_epi16, _mm256_shldi_epi32, _mm256_mask_shldi_epi32, _mm256_maskz_shldi_epi32, _mm256_shldi_epi64, _mm256_mask_shldi_epi64, _mm256_maskz_shldi_epi64, _mm_shrdi_epi16, _mm_mask_shrdi_epi16, _mm_maskz_shrdi_epi16, _mm_shrdi_epi32, _mm_mask_shrdi_epi32, _mm_maskz_shrdi_epi32, _mm_shrdi_epi64, _mm_mask_shrdi_epi64, _m_maskz_shrdi_epi64, _mm_shldi_epi16, _mm_mask_shldi_epi16, _mm_maskz_shldi_epi16, _mm_shldi_epi32, _mm_mask_shldi_epi32, _mm_maskz_shldi_epi32, _mm_shldi_epi64, _mm_mask_shldi_epi64, _mm_maskz_shldi_epi64): Ditto. 2020-02-15 Jakub Jelinek PR tree-optimization/93744 * match.pd (((m1 >/=/<= m2) * d -> (m1 >/=/<= m2) ? d : 0): For GENERIC, make sure @2 in the first and @1 in the other patterns has no side-effects. 2020-02-14 Eric Botcazou PR target/93704 * config/sparc/sparc.c (eligible_for_call_delay): Test HAVE_GNU_LD in conjunction with TARGET_GNU_TLS in early return. 2020-02-14 Jakub Jelinek Backported from mainline 2020-02-13 Jakub Jelinek PR target/93696 * config/i386/avx512bitalgintrin.h (_mm512_mask_popcnt_epi8, _mm512_mask_popcnt_epi16, _mm256_mask_popcnt_epi8, _mm256_mask_popcnt_epi16, _mm_mask_popcnt_epi8, _mm_mask_popcnt_epi16): Rename __B argument to __A and __A to __W, pass __A to the builtin followed by __W instead of __A followed by __B. * config/i386/avx512vpopcntdqintrin.h (_mm512_mask_popcnt_epi32, _mm512_mask_popcnt_epi64): Likewise. * config/i386/avx512vpopcntdqvlintrin.h (_mm_mask_popcnt_epi32, _mm256_mask_popcnt_epi32, _mm_mask_popcnt_epi64, _mm256_mask_popcnt_epi64): Likewise. PR target/93673 * config/i386/sse.md (k): Drop mode from last operand and use const_0_to_255_operand predicate instead of immediate_operand. (avx512dq_fpclass, avx512dq_vmfpclass, vgf2p8affineinvqb_, vgf2p8affineqb_): Drop mode from const_0_to_255_operand predicated operands. 2020-02-12 Jakub Jelinek PR target/93670 * config/i386/sse.md (VI48F_256_DQ): New mode iterator. (avx512vl_vextractf128): Use it instead of VI48F_256. Remove TARGET_AVX512DQ from condition. (vec_extract_lo_): Use instead of in condition. If TARGET_AVX512DQ is false, emit vextract*64x4 instead of vextract*32x8. (vec_extract_lo_): Drop from condition. 2020-02-10 Jakub Jelinek PR target/93637 * config/i386/sse.md (VI_256_AVX2): New mode iterator. (vcond_mask_): Use it instead of VI_256. Change condition from TARGET_AVX2 to TARGET_AVX. 2020-02-08 Uroš Bizjak Jakub Jelinek PR target/65782 * config/i386/i386.h (CALL_USED_REGISTERS): Make xmm16-xmm31 call-used even in 64-bit ms-abi. 2020-02-06 Jakub Jelinek PR libgomp/93515 * omp-low.c (use_pointer_for_field): For nested constructs, also look for map clauses on target construct. (scan_omp_1_stmt) : Bump temporarily taskreg_nesting_level. 2020-02-05 Jakub Jelinek PR middle-end/93555 * omp-simd-clone.c (expand_simd_clones): If simd_clone_mangle or simd_clone_create failed when i == 0, adjust clone->nargs by clone->inbranch. 2020-01-30 Jakub Jelinek PR middle-end/93505 * combine.c (simplify_comparison) : Punt on out of range rotate counts. 2020-01-23 Jakub Jelinek PR rtl-optimization/93402 * postreload.c (reload_combine_recognize_pattern): Don't try to adjust USE insns. 2020-01-22 Jakub Jelinek PR target/91298 * output.h (assemble_name_resolve): Declare. * varasm.c (assemble_name_resolve): New function. (assemble_name): Use it. * config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Define. 2020-01-21 Jakub Jelinek PR target/93333 * config/riscv/riscv.c (riscv_rtx_costs) : Verify the last two operands are CONST_INT_P before using them as such. PR target/93073 * config/rs6000/rs6000.c (rs6000_emit_cmove): If using fsel, punt for compare_mode other than SFmode or DFmode. 2020-01-09 Jakub Jelinek PR inline-asm/93202 * config/riscv/riscv.c (riscv_print_operand_reloc): Use output_operand_lossage instead of gcc_unreachable. * doc/md.texi (riscv f constraint): Fix typo. 2020-01-03 Jakub Jelinek PR rtl-optimization/93088 * loop-iv.c (find_single_def_src): Punt after looking through 128 reg copies for regs with single definitions. Move definitions to first uses. 2020-01-02 Jakub Jelinek PR ipa/93087 * predict.c (compute_function_frequency): Don't call warn_function_cold on functions that already have cold attribute. 2019-12-14 Jakub Jelinek PR ipa/92357 * ipa-fnsummary.c (ipa_fn_summary_write): Use lto_symtab_encoder_iterator with lsei_start_function_in_partition and lsei_next_function_in_partition instead of walking all cgraph nodes in encoder. PR tree-optimization/92930 * ipa-pure-const.c (special_builtin_state): Don't handle BUILT_IN_APPLY. 2019-12-12 Jakub Jelinek PR target/92904 * config/i386/i386.c (ix86_gimplify_va_arg): If need_intregs and not need_temp, decrease alignment of the read because the GPR save area only guarantees 8-byte alignment. 2019-12-11 Jakub Jelinek PR target/92723 * tree-vect-patterns.c (vect_recog_rotate_pattern): If dt is not vect_internal_def, use oprnd1 as is, without trying to cast it. Formatting fix. 2019-11-27 Jakub Jelinek PR debug/92664 * dwarf2out.c (lookup_filename): Use "" instead of "". 2019-11-23 Jakub Jelinek PR target/92615 * config/i386/i386.c (ix86_md_asm_adjust): If dest_mode is GET_MODE (dest), is not QImode, using ZERO_EXTEND and dest is not register_operand, force x into register before storing it into dest. Formatting fix. 2020-02-14 Richard Biener Backport from mainline PR middle-end/93246 * alias.c (record_component_aliases): Take superset to record into, recurse for alias-set zero fields. (record_component_aliases): New oveerload wrapping around the above. 2020-02-11 Tamar Christina Backport from mainline 2020-01-31 Tamar Christina PR rtl-optimization/91838 * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case to truncate if allowed or reject combination. 2020-01-27 Wilco Dijkstra PR target/92692 * config/aarch64/aarch64.c (aarch64_split_compare_and_swap) Add assert to ensure prolog has been emitted. (aarch64_split_atomic_op): Likewise. * config/aarch64/atomics.md (aarch64_compare_and_swap) Use epilogue_completed rather than reload_completed. (aarch64_atomic_exchange): Likewise. (aarch64_atomic_): Likewise. (atomic_nand): Likewise. (aarch64_atomic_fetch_): Likewise. (atomic_fetch_nand): Likewise. (aarch64_atomic__fetch): Likewise. (atomic_nand_fetch): Likewise. 2020-01-19 Eric S. Raymond Sandra Loosemore Backport from mainline: 2020-01-19 Eric S. Raymond * doc/contribute.texi: Update for SVN -> Git transition. * doc/install.texi: Likewise. 2020-01-15 Martin Liska Backport from mainline 2019-04-14 Jan Hubicka PR lto/89358 * ipa-devirt.c (skip_in_fields_list_p): New. (odr_types_equivalent_p): Use it. 2020-01-10 Martin Jambor Backport from mainline 2019-12-17 Martin Jambor PR ipa/92971 * ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Fix definition of values, release memory on exit. 2020-01-09 Martin Liska Backport from mainline 2019-12-12 Jan Hubicka * ipa-prop.c (read_ipcp_transformation_info): Fix undefined ordering of execution of function call parameters. 2020-01-08 Georg-Johann Lay Backport from 2020-01-08 trunk r279995. Add -nodevicespecs option for avr. PR target/93182 * config/avr/avr.opt (-nodevicespecs): New driver option. * config/avr/driver-avr.c (avr_devicespecs_file): Only issue "-specs=device-specs/..." if that option is not set. * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document. 2020-01-06 John David Anglin * config/pa/pa.md: Revert change to use ordered_comparison_operator instead of cmpib_comparison_operator in cmpib patterns. * config/pa/predicates.md (cmpib_comparison_operator): Revert removal of cmpib_comparison_operator. Revise comment. 2020-01-01 John David Anglin PR target/93111 * config/pa/pa.md (scc): Use ordered_comparison_operator instead of comparison_operator in B and S integer comparisons. Likewise, use ordered_comparison_operator instead of cmpib_comparison_operator in cmpib patterns. * config/pa/predicates.md (cmpib_comparison_operator): Remove. 2019-12-28 Iain Sandoe Backport from mainline. 2019-12-14 Iain Sandoe * config/darwin.h (DARWIN_EXTRA_SPECS): Add new bundle spec. (DARWIN_BUNDLE1_SPEC): New. (STARTFILE_SPEC): Use darwin bundle spec. * config/rs6000/darwin.h (DARWIN_BUNDLE1_SPEC): New. (DARWIN_DYLIB1_SPEC): Delete duplicate. 2019-12-20 Roman Zhuykov Backport from mainline 2019-12-13 Roman Zhuykov PR rtl-optimization/92591 * modulo-sched.c (ps_add_node_check_conflicts): Improve checking for history > 0 case. * params.def (sms-dfa-history): Limit to 16. 2019-12-19 Georg-Johann Lay Backport support for some AVR devices from avrxmega3 family from SVN trunk r279309, r278387, r278389, r278478. PR target/92545 * config/avr/avr-arch.h (avr_mcu_t) : New field. * config/avr/avr-devices.c (avr_mcu_types): Adjust initializers. * config/avr/avr-mcus.def (AVR_MCU): Add respective field. * config/avr/gen-avr-mmcu-specs.c (print_mcu) <*cpp, *cpp_mcu, *cpp_avrlibc, *link_pm_base_address>: Emit code for spec definitions. * config/avr/gen-avr-mmcu-texi.c: Rewrite. * doc/avr-mmcu.texi: Regenerate. 2019-12-17 Andreas Krebbel Backport from mainline 2019-12-16 Andreas Krebbel PR target/92950 * config/s390/vector.md ("mov" for V_8): Replace lh, lhy, and lhrl with llc. 2019-12-02 Wilco Dijkstra * config/aarch64/aarch64-cores.def (ares): Define. (cortex-a76): Likewise. (neoverse-n1): Likewise. * config/aarch64/aarch64-tune.md: Regenerate. * doc/invoke.texi (AArch64 Options): Document ares, cortex-a75 and neoverse-n1. 2019-11-29 David Malcolm PR driver/89014 * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix use-after-free of the result of aarch64_get_extension_string_for_isa_flags. 2019-11-21 Jakub Jelinek PR tree-optimization/91355 * tree-ssa-sink.c (select_best_block): Use >= rather than > for early_bb scaled count with best_bb count comparison. Backported from mainline 2019-11-20 Jakub Jelinek PR middle-end/90840 * expmed.c (store_bit_field_1): Handle the case where op0 is not a MEM and has a mode that doesn't have corresponding integral type. PR target/90867 * config/i386/i386.c (ix86_valid_target_attribute_tree): Don't clear opts->x_ix86_isa_flags{,2} here... (ix86_valid_target_attribute_inner_p): ... but here when seeing arch=. Also clear opts->x_ix86_isa_flags{,2}_explicit. PR c/90898 * tree-ssa-ccp.c (insert_clobber_before_stack_restore): Remove assertion. (insert_clobbers_for_var): Fix a typo in function comment. 2019-11-19 Jakub Jelinek PR middle-end/91450 * internal-fn.c (expand_mul_overflow): For s1 * s2 -> ur, if one operand is negative and one non-negative, compare the non-negative one against 0 rather than comparing s1 & s2 against 0. Otherwise, don't compare (s1 & s2) == 0, but compare separately both s1 == 0 and s2 == 0, unless one of them is known to be negative. Remove tem2 variable, use tem where tem2 has been used before. 2019-11-08 Jakub Jelinek PR c++/92384 * function.c (assign_parm_setup_block, assign_parm_setup_stack): Don't copy TYPE_EMPTY_P arguments from data->entry_parm to data->stack_parm slot. (assign_parms): For TREE_ADDRESSABLE parms with TYPE_EMPTY_P type force creation of a unique data.stack_parm slot. 2019-10-17 Jakub Jelinek PR tree-optimization/92056 * tree-object-size.c (cond_expr_object_size): Return early if then_ processing resulted in unknown size. 2019-09-07 Jakub Jelinek PR tree-optimization/91665 * tree-vect-loop.c (vectorizable_reduction): Punt if base has type incompatible with the type of PHI result. 2019-09-06 Jakub Jelinek * function.c (assign_parm_find_data_types): Use RECORD_OR_UNION_TYPE_P before testing TYPE_TRANSPARENT_AGGR. * calls.c (initialize_argument_information, load_register_parameters): Likewise. 2019-09-05 Jakub Jelinek PR middle-end/91001 PR middle-end/91105 PR middle-end/91106 * calls.c (load_register_parameters): For TYPE_TRANSPARENT_AGGR types, use type of their first field instead of type of args[i].tree_value. 2019-09-01 Jakub Jelinek PR middle-end/91623 * optabs.c (expand_vec_cond_expr): If op0 is a VECTOR_CST and only EQ_EXPR/NE_EXPR is supported, verify that op0 only contains zeros or negative elements and use NE_EXPR instead of LT_EXPR against zero vector. 2019-11-20 Peter Bergner Backport from mainline 2019-11-07 Peter Bergner PR other/92090 * config/rs6000/predicates.md (input_operand): Allow MODE_PARTIAL_INT modes for integer constants. 2019-11-19 Eric Botcazou * doc/invoke.texi (-gno-internal-reset-location-views): Fix typo. 2019-11-14 Martin Liska Backport from mainline 2019-11-14 Martin Liska PR target/92389 * config/i386/i386.h: Add PTA_AVX512VPOPCNTDQ to PTA_ICELAKE_CLIENT which is later interited by PTA_ICELAKE_SERVER and PTA_TIGERLAKE. 2019-11-13 Dragan Mladjenovic Backport from mainline * config/mips/mips.md (rotr3): Sanitize the constant argument instead of asserting its value. 2019-11-11 H.J. Lu Backport from trunk: PR target/87833 * config/i386/intelmic-mkoffload.c (prepare_target_image): Put -fPIC and -shared the last to create offload image. 2019-11-11 Thomas Schwinge Backport from trunk: * gimplify.c (gimplify_scan_omp_clauses): Assert 'offset2' instead of 'offset'. Backport from trunk: * Makefile.in (LANG_CONFIGUREFRAGS): Define. (config.status): Use/depend on it. * configure.ac (all_lang_configurefrags): Track, 'AC_SUBST'. * configure: Regenerate. 2019-11-09 John David Anglin Backport from mainline 2019-11-07 John David Anglin * config/pa/pa.md (memory_barrier): Revise to use ldcw barriers. Enhance comment. (memory_barrier_coherent, memory_barrier_64, memory_barrier_32): New insn patterns using ldcw instruction. (memory_barrier): Remove insn pattern using sync instruction. * config/pa/pa.opt (coherent-ldcw): New option. (ordered): New option. 2019-11-08 Eric Botcazou PR target/92095 * config/sparc/sparc-protos.h (output_load_pcrel_sym): Declare. * config/sparc/sparc.c (sparc_cannot_force_const_mem): Revert latest change. (got_helper_needed): New static variable. (output_load_pcrel_sym): New function. (get_pc_thunk_name): Remove after inlining... (load_got_register): ...here. Rework the initialization of the GOT register and of the GOT helper. (save_local_or_in_reg_p): Test the REGNO of the GOT register. (sparc_file_end): Test got_helper_needed to decide whether the GOT helper must be emitted. Use output_asm_insn instead of fprintf. (sparc_init_pic_reg): In PIC mode, always initialize the PIC register if optimization is enabled. * config/sparc/sparc.md (load_pcrel_sym): Emit the assembly by calling output_load_pcrel_sym. 2019-11-06 John David Anglin Backport from mainline 2018-09-19 John David Anglin PR rtl-optimization/85458 * config/pa/pa.c (pa_adjust_priority): Delete. (TARGET_SCHED_ADJUST_PRIORITY): Delete define. 2019-11-05 Segher Boessenkool Backport from trunk 2019-10-24 Segher Boessenkool * config/rs6000/altivec.md (altivec_vavgu): Rename to... (uavg3_ceil): ... This. (altivec_vavgs): Rename to... (avg3_ceil): ... This. * config/rs6000/rs6000-builtin.def (VAVGUB, VAVGSB, VAVGUH, VAVGSH, VAVGUW, VAVGSW): Adjust. 2019-11-05 Segher Boessenkool Backport from trunk 2019-10-26 Segher Boessenkool PR target/91289 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't add an immediate to r0; use r11 instead. Save and restore r11 to r0 around this. 2019-11-04 John David Anglin Backport from mainline 2019-10-03 John David Anglin * config/pa/pa.h (MAX_PCREL17F_OFFSET): Adjust. 2019-11-04 John David Anglin Backport from mainline 2019-10-03 John David Anglin * config/pa/pa.c (pa_output_call): Remove 64-bit sibcall sequence. (pa_attr_length_call): Adjust length for 64-bit plabel sequence. 2019-11-04 John David Anglin Backport from mainline 2019-10-12 John David Anglin * config/pa/pa.c (pa_output_call): Load descriptor address to register %r22. Load function address before global pointer. (pa_attr_length_indirect_call): Adjust length of inline versions of $$dyncall. (pa_output_indirect_call): Remove fast inline version of $$dyncall before normal cases. Update inline $$dyncall sequences to preserve function descriptor address in register %r22. (TRAMPOLINE_CODE_SIZE): Adjust. (pa_asm_trampoline_template): Revise 32-bit trampoline. Don't assume register %r22 contains trampoline address. (pa_trampoline_init): Adjust offsets. (pa_trampoline_adjust_address): Likewise. * config/pa/pa.h (TRAMPOLINE_SIZE): Adjust 32-bit size. 2019-10-17 John David Anglin * config/pa/pa.c (pa_output_indirect_call): Fix typos in last change. 2019-11-1 Delia Burduv Backport from trunk 2019-02-20 Andre Vieira PR target/86487 * lra-constraints.c(uses_hard_regs_p): Fix handling of paradoxical SUBREGS. 2019-10-31 Iain Sandoe Backport from mainline 2019-10-13 Iain Sandoe * config/darwin.c (machopic_indirection_name): Rework the function to emit linker-visible symbols only for indirections in the data section. Clean up the code and update comments. 2019-10-31 Iain Sandoe Backport from mainline 2019-10-09 Iain Sandoe * config/darwin.c (darwin_override_options): Make the check for Objective-C ABI version more specific for 64bit code. Backport from mainline 2019-10-06 Iain Sandoe * config/darwin.c (darwin_override_options): Adjust objective-c ABI version error messages to avoid punctuation and contracted negations. 2019-10-31 Iain Sandoe Backport from mainline 2019-07-03 Iain Sandoe * config/darwin.h (REAL_LIBGCC_SPEC): Adjust for earlier Darwin. (STARTFILE_SPEC): Split crt3 into a separate spec. (DARWIN_EXTRA_SPECS): Add crt2 and crt3 spec. (DARWIN_CRT2_SPEC): New. (DARWIN_CRT3_SPEC): New. (MIN_LD64_OMIT_STUBS): Revise to 62.1. * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): Revise conditions. (DARWIN_CRT3_SPEC): New. 2019-10-31 Iain Sandoe Backport from mainline 2019-06-27 Iain Sandoe * config/rs6000/darwin.h (ENDFILE_SPEC): Correct whitespace in the spec. Backport from mainline 2019-06-25 Iain Sandoe * config/rs6000/darwin.h (ENDFILE_SPEC): New. 2019-10-31 Iain Sandoe Backport from mainline 2019-06-18 Iain Sandoe * config/darwin.c (darwin_emit_unwind_label): New default to false. (darwin_override_options): Set darwin_emit_unwind_label as needed. 2019-10-31 Iain Sandoe Backport from mainline 2019-08-13 Iain Sandoe * config/darwin.c (machopic_indirect_call_target): Rename symbol stub flag. (darwin_override_options): Likewise. * config/darwin.h: Likewise. * config/darwin.opt: Likewise. * config/i386/i386.c (output_pic_addr_const): Likewise. * config/rs6000/darwin.h: Likewise. * config/rs6000/rs6000.c (rs6000_call_darwin_1): Likewise. * config/i386/darwin.h (TARGET_MACHO_PICSYM_STUBS): Rename to ... ... this TARGET_MACHO_SYMBOL_STUBS. (FUNCTION_PROFILER):Likewise. * config/i386/i386.h: Likewise. Backport from mainline 2019-06-16 Iain Sandoe * config/darwin.c (machopic_indirect_call_target): Use renamed darwin_picsymbol_stubs to decide on output. (darwin_override_options): Handle darwin_picsymbol_stubs. * config/darwin.h (MIN_LD64_OMIT_STUBS): New. (LD64_VERSION): Revise default. * config/darwin.opt: (mpic-symbol-stubs): New option. (darwin_picsymbol_stubs): New variable. * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS): rename to TARGET_MACHO_PICSYM_STUBS. * config/i386/i386.c (output_pic_addr_const): Likewise. * config/i386/i386.h Likewise. * config/rs6000/darwin.h: Likewise. * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed darwin_picsymbol_stubs. 2019-10-31 Iain Sandoe Backport from mainline 2019-06-27 Iain Sandoe * config/rs6000/rs6000.c (darwin_rs6000_override_options): Honour user-specified float mode choice for kernel mode code. 2019-10-31 Iain Sandoe Backport from mainline 2019-06-23 Iain Sandoe * config/rs6000/darwin.h: Handle GCC target pragma. 2019-10-30 Dragan Mladjenovic Backport from mainline 2019-07-09 Dragan Mladjenovic * cfgcleanup.c (old_insns_match_p): Check if used hard regs set is equal for both call instructions. 2019-10-28 Iain Sandoe Backport from mainline 2019-10-17 Iain Sandoe PR target/65342 * config/rs6000/darwin.md (movdi_low, movsi_low_st): Delete. (movdi_low_st): Delete. * config/rs6000/rs6000.c (darwin_rs6000_legitimate_lo_sum_const_p): New. (mem_operand_gpr): Validate Mach-O LO_SUM cases separately. * config/rs6000/rs6000.md (movsi_low): Delete. 2019-10-28 Iain Sandoe Backport from mainline 2019-10-12 Iain Sandoe PR target/67183 * config/darwin.c (machopic_indirection): New field to flag non-lazy-symbol-pointers in the data section. (machopic_indirection_name): Compute if an indirection should appear in the data section. (machopic_output_data_section_indirection): New callback split from machopic_output_indirection. (machopic_output_stub_indirection): Likewise. (machopic_output_indirection): Retain the code for non-lazy symbol pointers in their regular section. (machopic_finish): Use the new callbacks to order the indirection output. 2019-10-28 Iain Sandoe Backport from mainline 2019-10-12 Iain Sandoe * config/darwin-protos.h (machopic_finish): Delete. * config/darwin.c (machopic_finish): Make static. Backport from mainline 2019-10-09 Iain Sandoe * config/darwin.c (machopic_indirect_data_reference): Set flag to indicate that the new symbol is an indirection. (machopic_indirect_call_target): Likewise. * config/darwin.h (MACHO_SYMBOL_FLAG_INDIRECTION): New. (MACHO_SYMBOL_INDIRECTION_P): New. (MACHO_SYMBOL_FLAG_STATIC): Adjust bit number. Backport from mainline 2019-10-08 Iain Sandoe * config/darwin.c (machopic_indirect_data_reference): Check for required indirections before making direct access to defined values. (machopic_output_indirection): Place the indirected pointes for required indirections into the non-lazy symbol pointers section. (darwin_encode_section_info): * config/darwin.h (MACHO_SYMBOL_FLAG_MUST_INDIRECT): New. (MACHO_SYMBOL_MUST_INDIRECT_P): New. Backport from mainline 2019-10-07 Iain Sandoe * config/darwin.c (machopic_output_indirection): Don't put hidden symbol indirections into the .data section, use the non-lazy symbol pointers section as normal. (darwin_encode_section_info): Record if a symbol is hidden. * config/darwin.h (MACHO_SYMBOL_FLAG_HIDDEN_VIS): New. (MACHO_SYMBOL_HIDDEN_VIS_P): New. Backport from mainline 2019-10-07 Iain Sandoe * config/darwin.c (machopic_symbol_defined_p): Use symbol flag predicates instead of accessing bits directly. (machopic_indirect_call_target): Likewise. (machopic_output_indirection): Likewise. (darwin_encode_section_info): Improve description. Use renamed symbol flags. Use predicate macros for variables and functions. * config/darwin.h: Rename MACHO_SYMBOL_VARIABLE to MACHO_SYMBOL_FLAG_VARIABLE. Rename MACHO_SYMBOL_DEFINED to MACHO_SYMBOL_FLAG_DEFINED. Rename MACHO_SYMBOL_STATIC to MACHO_SYMBOL_FLAG_STATIC. (MACHO_SYMBOL_VARIABLE_P): New. (MACHO_SYMBOL_DEFINED_P):New. (MACHO_SYMBOL_STATIC_P): New. * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Delete. (SYMBOL_FLAG_SUBT_DEP): New. * config/rs6000/darwin.h (SYMBOL_FLAG_SUBT_DEP): New. 2019-10-28 Iain Sandoe Backport from mainline 2019-10-05 Iain Sandoe PR target/59888 * config/darwin.c (darwin_rodata_section): Add relocation flag, choose const_data section for constants with relocations. (machopic_select_section): Pass relocation flag to darwin_rodata_section (). 2019-10-28 Iain Sandoe Backport from mainline 2019-09-21 Iain Sandoe * config/darwin.c (machopic_legitimize_pic_address): Check for lra, rather than reload. 2019-10-28 Peter Bergner Jiufu Guo PR target/70010 * config/rs6000/rs6000.c (rs6000_can_inline_p): Prohibit inlining if the callee explicitly disables some isa_flags the caller is using. 2019-10-25 Iain Sandoe * config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN):Guard against out of range max skip or log values. 2019-10-25 Richard Earnshaw Backport from mainline 2019-05-08 Mihail Ionescu Richard Earnshaw PR target/88167 * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New function. (thumb1_epilogue_unused_call_clobbered_lo_regs): New function. (thumb1_compute_save_core_reg_mask): Don't force a spare work register if both the epilogue and prologue can use call-clobbered regs. (thumb1_unexpanded_epilogue): Use thumb1_epilogue_unused_call_clobbered_lo_regs. Reverse the logic for picking temporaries for restoring high regs to match that of the prologue where possible. (thumb1_expand_prologue): Add any usable call-clobbered low registers to the list of work registers. Detect if the return address is still live at the end of the prologue and avoid using it for a work register if so. If the return address is not live, add LR to the list of pushable regs after the first pass. 2019-10-23 Peter Bergner Backport from mainline 2019-10-08 Tulio Magno Quites Machado Filho * config.gcc: Move -L usage from LINK_OS_EXTRA_SPEC32 and LINK_OS_EXTRA_SPEC64 to MD_STARTFILE_PREFIX and MD_STARTFILE_PREFIX_1 when using --with-advance-toolchain. 2019-10-23 Richard Biener Backport from mainline 2019-10-17 Richard Biener PR debug/91887 * dwarf2out.c (gen_formal_parameter_die): Also try to match context_die against a DW_TAG_GNU_formal_parameter_pack parent. 2019-09-19 Richard Biener PR tree-optimization/91812 * tree-ssa-phiprop.c (propagate_with_phi): Do not replace volatile loads. 2019-09-17 Richard Biener PR debug/91772 * dwarf2out.c (dwarf2out_late_global_decl): If early dwarf was missing generate locations only once. 2019-10-23 Eric Botcazou PR tree-optimization/92131 * tree-vrp.c (extract_range_from_plus_minus_expr): If the resulting range would be symbolic, drop to varying for any explicit overflow in the constant part or if neither range is a singleton. 2019-10-20 Iain Sandoe Backport from mainline 2019-10-03 Iain Sandoe PR target/87243 * config/darwin-driver.c (maybe_get_sysroot_from_sdkroot): New. (darwin_driver_init): Use the sysroot provided by SDKROOT when that is available and the user has not set one on the command line. 2019-10-20 Iain Sandoe Backport from mainline 2019-07-03 Iain Sandoe * config/darwin.h (DRIVER_SELF_SPECS): Remove the linker cases. (RDYNAMIC): Rename to, DARWIN_RDYNAMIC. (DARWIN_PIE_SPEC, DARWIN_NOPIE_SPEC): Adjust to remove the Xlinker clauses. (LINK_COMMAND_SPEC_A): Add DARWIN_RDYNAMIC, DARWIN_PIE_SPEC and DARWIN_NOPIE_SPEC. Backport from mainline 2019-06-19 Iain Sandoe * config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC and DARWIN_NOPIE_SPEC. (RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC. (DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h. (DARWIN_NOPIE_SPEC): Collate from darwin10.h. (DARWIN_NOCOMPACT_UNWIND): New from darwin10.h (DARWIN_EXPORT_DYNAMIC): Delete. * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind and pie options processing to darwin.h. * config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h 2019-10-18 Georg-Johann Lay Backport from 2019-10-18 trunk r277143. PR target/86040 * config/avr/avr.c (avr_out_lpm): Do not shortcut-return. 2019-10-17 Segher Boessenkool Backport from trunk 2019-03-15 Segher Boessenkool PR rtl-optimization/89721 * lra-constraints (invariant_p): Return false if side_effects_p holds. 2019-10-17 Richard Earnshaw Backport from mainline 2019-05-03 Richard Earnshaw PR target/89400 * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1. Restrict 'all' variant to 32-bit configurations. (unaligned_loadhiu): Likewise. (unaligned_storehi): Likewise. (unaligned_storesi): Likewise. (unaligned_loadhis): Disable when compiling for thumb1. 2019-10-14 Will Schmidt Backport from trunk 2019-09-26 Will Schmidt * config/rs6000/rs6000-builtin.def: (LVSL, LVSR, LVEBX, LVEHX, LVEWX, LVXL, LVXL_V2DF, LVXL_V2DI, LVXL_V4SF, LVXL_V4SI, LVXL_V8HI, LVXL_V16QI, LVX, LVX_V1TI, LVX_V2DF, LVX_V2DI, LVX_V4SF, LVX_V4SI, LVX_V8HI, LVX_V16QI, LVLX, LVLXL, LVRX, LVRXL, LXSDX, LXVD2X_V1TI, LXVD2X_V2DF, LXVD2X_V2DI, LXVDSX, LXVW4X_V4SF, LXVW4X_V4SI, LXVW4X_V8HI, LXVW4X_V16QI, LD_ELEMREV_V1TI, LD_ELEMREV_V2DF, LD_ELEMREV_V2DI, LD_ELEMREV_V4SF, LD_ELEMREV_V4SI, LD_ELEMREV_V8HI, LD_ELEMREV_V16QI): Use the PURE attribute. 2019-10-10 Uroš Bizjak PR target/92022 * config/alpha/alpha.c (alpha_handle_trap_shadows): Skip DEBUG_INSN. 2019-10-10 Oleg Endo Backport from mainline 2019-10-10 Oleg Endo PR target/88630 * config/sh/sh.h (TARGET_FPU_SH4_300): New macro. * config/sh/sh.c (sh_option_override): Enable fsca and fsrra insns also for TARGET_FPU_SH4_300. (sh_emit_mode_set): Check for TARGET_FPU_SH4_300 instead of TARGET_SH4_300. * config/sh/sh.md (toggle_pr): Add TARGET_FPU_SH4_300 condition. (negsf2): Expand to either negsf2_fpscr or negsf2_no_fpscr. (*negsf2_i): Split into ... (negsf2_fpscr, negsf2_no_fpscr): ... these new patterns. (abssf2): Expand to either abssf2_fpsc or abssf2_no_fpsc. (**abssf2_i): Split into ... (abssf2_fpscr, abssf2_no_fpscr): ... these new patterns. (negdf2): Expand to either negdf2_fpscr or negdf2_no_fpscr. (*negdf2_i): Split into ... (negdf2_fpscr, negdf2_no_fpscr): ... these new patterns. (absdf2): Expand to either absdf2_fpscr or absdf2_no_fpsc. (**abssf2_i): Split into ... (absdf2_fpscr, absdf2_no_fpscr): ... these new patterns. 2019-10-07 Bill Schmidt Backport from mainline 2019-10-01 Bill Schmidt PR target/91275 * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Don't swap vpmsumd. 2019-10-01 Oleg Endo Backport from mainline 2019-10-01 Oleg Endo PR target/88562 * config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Use sh_check_add_incdec_notes to preserve REG_INC notes when replacing a memory access insn. 2019-10-01 Kyrylo Tkachov Backport from mainline 2019-09-24 Kyrylo Tkachov * config/aarch64/aarch64.md (mov): Don't call aarch64_split_dimode_const_store on volatile MEM. 2019-10-01 Eric Botcazou PR target/91854 Backport from mainline 2019-09-20 Eric Botcazou PR target/91269 * config/sparc/sparc.h (HARD_REGNO_CALLER_SAVE_MODE): Define. 2019-09-28 Oleg Endo Backport from mainline 2019-09-28 Oleg Endo PR target/80672 * config/sh/sh.c (parse_validate_atomic_model_option): Use std::string::compare instead of std::string::find. 2019-09-28 Oleg Endo Backport from mainline 2018-07-15 Jeff Law PR target/85993 * config/sh/sh.c (output_mi_thunk): Remove dead conditional block. 2019-09-26 Iain Sandoe Backport from mainline 2019-06-16 Iain Sandoe * config/darwin.opt (prebind, noprebind, seglinkedit, noseglinkedit): Add RejectNegative. Backport from mainline 2019-06-14 Iain Sandoe * config/darwin.opt: Add RejectNegative where needed, reorder and add minimal functional descriptions. 2019-09-25 Kyrylo Tkachov Backport from mainline 2019-08-22 Kyrylo Tkachov * config/arm/arm_acle.h: Use arch=armv8-a+crc+simd pragma for CRC32 intrinsics if __ARM_FP. Use __ARM_FEATURE_CRC32 ifdef guard. 2019-09-23 Max Filippov Backport from mainline 2019-06-18 Max Filippov * config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack pointer adjustment for the case of no callee-saved registers and stack frame bigger than 128 bytes. 2019-09-20 John David Anglin * config/pa/pa.c (pa_trampoline_init): Remove spurious extended character. 2019-09-20 Andreas Krebbel Backport from mainline 2019-06-06 Andreas Krebbel PR rtl-optimization/88751 * ira.c (ira): Use the number of the actually referenced registers when calculating the threshold. 2019-09-11 Eric Botcazou PR rtl-optimization/89795 * rtlanal.c (nonzero_bits1) : Do not propagate results from inner REGs to paradoxical SUBREGs if WORD_REGISTER_OPERATIONS is set. 2019-09-09 Jakub Jelinek PR target/87853 * config/i386/emmintrin.h (_mm_cmpeq_epi8): Use casts to __v16qi instead of __v16qs. PR target/91704 * config/i386/avxintrin.h (__v32qs): New typedef. * config/i386/avx2intrin.h (_mm256_cmpgt_epi8): Use casts to __v32qs instead of __v32qi. 2019-09-04 Wilco Dijkstra Backport from mainline 2019-08-13 Wilco Dijkstra PR target/81800 * gcc/config/aarch64/aarch64.md (lrint): Disable lrint pattern if GPF operand is larger than a long int. 2019-09-03 Iain Sandoe Backport from mainline 2019-08-23 Iain Sandoe PR pch/61250 * ggc-page.c (ggc_pch_read): Read the ggc_pch_ondisk structure and issue any diagnostics needed before collecting the pre-PCH state. 2019-09-01 Eric Botcazou PR target/91472 * config/sparc/sparc.c (sparc_cannot_force_const_mem): Return true during LRA/reload in PIC mode if the PIC register hasn't been used yet. (sparc_pic_register_p): Test reload_in_progress for consistency's sake. 2019-08-30 Richard Biener Backport from mainline 2019-06-21 Richard Biener PR tree-optimization/90930 * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited flag on new stmts to avoid re-processing them. 2019-05-27 Richard Biener PR tree-optimization/90637 * tree-ssa-sink.c (statement_sink_location): Honor the computed sink location for single-uses. 2019-08-30 Richard Biener Backport from mainline 2019-07-08 Richard Biener PR tree-optimization/91108 * tree-ssa-sccvn.c: Include builtins.h. (vn_reference_lookup_3): Use only alignment constraints to verify same-valued store disambiguation. 2019-08-30 Segher Boessenkool Backport from trunk 2019-08-22 Segher Boessenkool PR target/91481 * config/rs6000/rs6000.md (unspec): Delete UNSPEC_DARN, UNSPEC_DARN_32, and UNSPEC_DARN_RAW. (unspecv): New enumerator values UNSPECV_DARN, UNSPECV_DARN_32, and UNSPECV_DARN_RAW. (darn_32): Use an unspec_volatile, and UNSPECV_DARN_32. (darn_raw): Use an unspec_volatile, and UNSPECV_DARN_RAW. (darn): Use an unspec_volatile, and UNSPECV_DARN. 2019-08-30 Segher Boessenkool Backport from trunk 2019-08-22 Segher Boessenkool * config/rs6000/altivec.md (unspec): Delete UNSPEC_DARN, UNSPEC_DARN_32, UNSPEC_DARN_RAW, UNSPEC_CMPRB, UNSPEC_CMPRB2, UNSPEC_CMPEQB; move to... * config/rs6000/rs6000.md (unspec): ... here. * config/rs6000/altivec.md (darn_32, darn_raw, darn, cmprb, *cmprb_internal, setb_signed, setb_unsigned, cmprb2, *cmprb2_internal, cmpeqb, *cmpeqb_internal): Delete, move to... * config/rs6000/rs6000.md (darn_32, darn_raw, darn, cmprb, *cmprb_internal, setb_signed, setb_unsigned, cmprb2, *cmprb2_internal, cmpeqb, *cmpeqb_internal): ... here. 2019-08-30 Richard Biener Backport from mainline 2019-01-07 Richard Sandiford PR middle-end/88567 * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the output vector directly to duplicate_and_interleave instead of going through a temporary. Postpone insertion of ctor_seq to the end of the loop. 2018-12-04 Richard Biener PR tree-optimization/88315 * tree-vect-loop.c (get_initial_defs_for_reduction): Simplify and fix initialization vector for SAD and DOT_PROD SLP reductions. 2019-08-30 Richard Biener Backport from mainline 2019-06-18 Richard Biener PR debug/90900 * cfgexpand.c (expand_debug_expr): Treat NOTE_P DECL_RTL as if optimized away. 2019-04-29 Richard Biener PR tree-optimization/90278 * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean EH on comparison simplification. 2019-04-25 Richard Biener PR middle-end/90194 * match.pd: Add pattern to simplify view-conversion of an empty constructor. 2019-08-30 Richard Biener Backport from mainline 2019-08-12 Richard Biener PR lto/91375 * tree.c (free_lang_data_in_type): Do not free TYPE_BINFO dependent on flag_devirtualize. 2019-07-31 Richard Biener PR tree-optimization/91293 * tree-vect-slp.c (vect_build_slp_tree_2): Do not swap operands of reduction stmts. 2019-07-31 Richard Biener PR tree-optimization/91280 * tree-ssa-structalias.c (get_constraint_for_component_ref): Decompose MEM_REF manually for offset handling. 2019-07-19 Richard Biener PR tree-optimization/91200 * tree-ssa-phiopt.c (cond_store_replacement): Check we have no PHI nodes in middle-bb. 2019-07-15 Richard Biener PR middle-end/91162 * tree-cfg.c (move_block_to_fn): When releasing a virtual PHI node make sure to replace all uses with something valid. 2019-07-11 Richard Biener PR middle-end/91131 * gimplify.c (gimplify_compound_literal_expr): Force a temporary when the object is volatile and we have not cleared it even though there are no nonzero elements. 2019-07-10 Richard Biener PR tree-optimization/91126 * tree-ssa-sccvn.c (vn_reference_lookup_3): Adjust native encoding offset for BYTES_BIG_ENDIAN. 2019-08-30 Richard Biener * lto-streamer.h (LTO_minor_version): Bump. Backport from mainline 2019-05-06 Richard Biener PR tree-optimization/90328 * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest. * tree-data-ref.c (dr_may_alias_p): Check whether the clique is valid in the loop nest before using it. (initialize_data_dependence_relation): Adjust. * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing loop as loop-nest to dr_may_alias_p. 2019-03-08 Richard Biener PR middle-end/89578 * cfgloop.h (struct loop): Add owned_clique field. * cfgloopmanip.c (copy_loop_info): Copy it. * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique cliques. * tree-inline.c (copy_loops): Remap owned_clique. * lto-streamer-in.c (input_cfg): Stream owned_clique. * lto-streamer-out.c (output_cfg): Likewise. 2019-02-22 Richard Biener PR tree-optimization/87609 * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques. 2019-02-22 Richard Biener PR middle-end/87609 * cfghooks.h (dependence_hash): New typedef. (struct copy_bb_data): New type. (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument. (duplicate_block): Likewise. * cfghooks.c (duplicate_block): Pass down copy_bb_data. (copy_bbs): Create and pass down copy_bb_data. * cfgrtl.c (cfg_layout_duplicate_bb): Adjust. (rtl_duplicate_bb): Likewise. * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL remap dependence info. 2019-02-22 Richard Biener PR tree-optimization/87609 * tree-core.h (tree_base): Document special clique values. * tree-inline.c (remap_dependence_clique): Do not use the special clique value of one. (maybe_set_dependence_info): Use clique one. (clear_dependence_clique): New callback. (compute_dependence_clique): Clear clique one from all refs before assigning it (again). 2019-08-30 Bin Cheng Backport from mainline 2019-07-18 Bin Cheng PR tree-optimization/91137 * tree-ssa-loop-ivopts.c (struct ivopts_data): New field. (tree_ssa_iv_optimize_init, alloc_iv, tree_ssa_iv_optimize_finalize): Init, use and fini the above new field. (determine_base_object_1): New function. (determine_base_object): Reimplement using walk_tree. 2019-08-30 Richard Biener Backport from mainline 2019-04-09 Richard Sandiford * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always use gimple_expr_type for load and store calls. Skip over the condition argument in a conditional internal function. Protect use of TREE_INT_CST_LOW. 2019-04-08 Richard Biener PR tree-optimization/90006 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle calls like lrint. 2019-04-01 Bin Cheng PR tree-optimization/89725 * tree-chrec.c (chrec_contains_symbols): New parameter. Handle outer loop's chrec as invariant symbol. * tree-chrec.h (chrec_contains_symbols): New parameter. * tree-data-ref.c (analyze_miv_subscript): Pass new argument. (build_classic_dist_vector_1, add_other_self_distances): Bypass access function of loops not in DDR's loop_nest. 2019-03-26 Bin Cheng PR tree-optimization/81740 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): In case of outer loop vectorization, check for backward dependence at the inner loop if outer loop dependence is reversed. 2019-08-30 Richard Biener Backport from mainline 2019-04-24 Richard Biener PR middle-end/90213 * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication by size and BITS_PER_UNIT on poly-wide-ints. 2019-04-11 Richard Biener PR tree-optimization/90020 * tree-ssa-sccvn.c (vn_reference_may_trap): New function. * tree-ssa-sccvn.h (vn_reference_may_trap): Declare. * tree-ssa-pre.c (compute_avail): Use it to not put possibly trapping references after a call that might not return into EXP_GEN. * gcse.c (compute_hash_table_work): Do not elide marking a block containing a call if the call might not return. 2019-08-29 Iain Sandoe Backport from mainline 2019-07-24 Iain Sandoe PR bootstrap/87030 * config/i386/darwin.h (REAL_LIBGCC_SPEC): Revert change from r273749. PR bootstrap/87030 * config/i386/darwin.h (REAL_LIBGCC_SPEC): Move from here... * config/i386/darwin32-biarch.h .. to here. * config/i386/darwin64-biarch.h: Adjust comments. * config/rs6000/darwin32-biarch.h: Likewise. * config/rs6000/darwin64-biarch.h: Likewise. * config.gcc: Missed commit from r273746 (*-*-darwin*): Don't include CPU t-darwin here. (i[34567]86-*-darwin*): Adjust to use biarch files. Produce an error message if i686-darwin configuration is attempted for Darwin >= 18. Backport from mainline 2019-07-23 Iain Sandoe PR bootstrap/87030 * config.gcc (*-*-darwin*): Don't include CPU t-darwin here. (i[34567]86-*-darwin*): Adjust to use biarch files. Produce an error message if i686-darwin configuration is attempted for Darwin >= 18. (x86_64-*-darwin*): Switch to single multilib for Darwin >= 18. (powerpc-*-darwin*): Use biarch files where needed. (powerpc64-*-darwin*): Likewise. * config/i386/darwin.h (REAL_LIBGCC_SPEC): Move to new biarch file. (DARWIN_ARCH_SPEC, DARWIN_SUBARCH_SPEC): Revise for default single arch case. * config/i386/darwin32-biarch.h: New. * config/i386/darwin64.h: Rename. * gcc/config/i386/darwin64-biarch.h: To this. * config/i386/t-darwin: Rename. * gcc/config/i386/t-darwin32-biarch: To this. * config/i386/t-darwin64: Rename. * gcc/config/i386/t-darwin64-biarch: To this. * config/rs6000/darwin32-biarch.h: New. * config/rs6000/darwin64.h: Rename. * config/rs6000/darwin64-biarch.h: To this. (DARWIN_ARCH_SPEC, DARWIN_SUBARCH_SPEC): Revise for default single arch case. * config/rs6000/t-darwin8: Rename. * config/rs6000/t-darwin32-biarch: To this. * config/rs6000/t-darwin64 Rename. * config/rs6000/t-darwin64-biarch: To this. 2019-08-29 Jakub Jelinek Backported from mainline 2019-07-30 Jakub Jelinek PR target/91150 * config/i386/i386.c (expand_vec_perm_blend): Change mask type from unsigned to unsigned HOST_WIDE_INT. For E_V64QImode cast comparison to unsigned HOST_WIDE_INT before shifting it left. 2019-07-04 Jakub Jelinek PR middle-end/78884 * gimplify.c (struct gimplify_omp_ctx): Add add_safelen1 member. (gimplify_bind_expr): If seeing TREE_ADDRESSABLE VLA inside of simd loop body, set ctx->add_safelen1 instead of making it GOVD_PRIVATE. (gimplify_adjust_omp_clauses): Add safelen (1) clause if ctx->add_safelen1 is set. PR rtl-optimization/90756 * explow.c (promote_ssa_mode): Always use TYPE_MODE, don't bypass it for VECTOR_TYPE_P. 2019-06-12 Jakub Jelinek PR c/90760 * symtab.c (symtab_node::set_section): Allow being called on aliases as long as they aren't analyzed yet. 2019-06-05 Jakub Jelinek PR debug/90733 * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs with VOIDmode inner operands. 2019-04-19 Jakub Jelinek PR middle-end/90139 * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return assign_temp instead of gen_reg_rtx. 2019-08-27 Iain Sandoe Backport from mainline 2019-07-07 Iain Sandoe * config/darwin.c (darwin_override_options): Make a final check on PIC options. 2019-08-27 Iain Sandoe Backport from mainline 2019-07-07 Iain Sandoe * config/darwin.c (darwin_override_options): Don't jam symbol stubs on for kernel code. 2019-08-27 Iain Sandoe Backport from mainline 2019-06-27 Iain Sandoe * config/rs6000/rs6000.c (darwin_rs6000_override_options): Do not use longcall for 64b code. 2019-08-27 Iain Sandoe Backport from mainline 2019-08-18 Iain Sandoe * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Add asserts for cpu and machine. Factor 64/32b builtins. Backport from mainline 2019-06-23 Iain Sandoe * config/rs6000/darwin.h: (__PPC__, __PPC64__): New. 2019-08-25 Iain Sandoe Backport from mainline 2019-06-19 Iain Sandoe * config/darwin-driver.c (darwin_driver_init): Fix off-by-one errors in computing the number of options to be moved. Backport from mainline 2019-06-13 Iain Sandoe * config/darwin-driver.c (validate_macosx_version_min): New. (darwin_default_min_version): Cleanup and validate supplied version. (darwin_driver_init): Likewise and push cleaned version into opts. 2019-08-25 Uroš Bizjak PR target/91533 Backport from mainline 2019-06-30 Uroš Bizjak * config/i386/sse.md (ssse3_abs2): Rename from abs2. * config/i386/i386-builtin.def (__builtin_ia32_pabsb): Use CODE_FOR_ssse3_absv8qi2. (__builtin_ia32_pabsw): Use CODE_FOR_ssse3_absv4hi2. (__builtin_ia32_pabsd): Use CODE_FOR_ssse3_absv2si2. 2019-08-23 Mihailo Stojanovic Backport from mainline 2019-08-23 Mihailo Stojanovic * config/mips/mips.md (mips_get_fcsr, *mips_get_fcsr): Use SI machine mode for unspec_volatile operand. 2019-08-22 Iain Sandoe Backport from mainline 2018-12-23 Iain Sandoe * config/i386/darwin.h (TARGET_ASM_OUTPUT_IDENT): New. 2019-08-22 Iain Sandoe Backport from mainline 2019-05-31 Iain Sandoe * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New. 2019-08-22 Iain Sandoe Backport from mainline 2019-05-18 Iain Sandoe * config/darwin-c.c (darwin_register_objc_includes): Do not prepend the sysroot when building gnu-runtime header search paths. 2019-08-22 Iain Sandoe Backport from mainline 2019-05-18 Iain Sandoe * config/darwin.c (darwin_file_end): Use switch_to_section () instead of direct output of the asm. 2019-08-20 Eric Botcazou PR rtl-optimization/91347 * dse.c (scan_insn): Call add_wild_read for non-const/memset tail calls before reload if HARD_FRAME_POINTER_IS_ARG_POINTER. 2019-08-16 Iain Sandoe Backport from mainline 2019-04-21 Iain Sandoe * config/rs6000/rs6000.md (group_end_nop): Emit insn register names using operand format, rather than hard-wired. (speculation_barrier): Likewise. 2019-08-14 Iain Sandoe Backport from mainline 2018-08-22 Iain Sandoe * config/darwin.h (LINK_COMMAND_SPEC_A): Update lto options to match gcc/gcc.c. 2019-08-05 Kito Cheng Backport from mainline 2019-08-05 Kito Cheng * config/riscv/riscv.c (riscv_promote_function_mode): New. (TARGET_PROMOTE_FUNCTION_MODE): Use riscv_promote_function_mode. 2019-08-04 Segher Boessenkool Backport from trunk 2019-05-02 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the correct numbers for TFHAR, TFIAR, TEXASR. 2019-07-23 Matthew Beliveau Backported from mainline 2019-07-16 Jeff Law PR rtl-optimization/91173 * tree-ssa-address.c (addr_for_mem_ref): If the base is an SSA_NAME with a constant value, fold its value into the offset and clear the base before calling gen_addr_rtx. * g++.dg/pr91173.C: New test. 2019-07-23 Richard Biener PR debug/91231 * lto-streamer-in.c (input_function): Drop inline-entry markers that ended up with an unknown location block. 2019-07-22 Martin Liska Backport from mainline 2019-07-22 Martin Liska PR driver/91172 * opts-common.c (decode_cmdline_option): Decode argument of -Werror and check it for a wrong language. * opts-global.c (complain_wrong_lang): Remove such case. 2019-07-21 Richard Sandiford Backport from mainline 2019-07-10 Richard Sandiford * fold-const.c (fold_relational_const): Fix folding of vector-to-scalar NE_EXPRs. (test_vector_folding): Add more tests. 2019-07-19 Jason Merrill PR c++/82081 - tail call optimization breaks noexcept * tree-tailcall.c (find_tail_calls): Don't turn a call from a nothrow function to a might-throw function into a tail call. 2019-07-16 Wilco Dijkstra Backport from mainline PR target/89222 * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem to decide when to split off a non-zero offset from a symbol. * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets in function symbols. 2019-07-16 Wilco Dijkstra Backport from mainline 2019-02-13 Wilco Dijkstra PR target/89190 * config/arm/arm.c (ldm_stm_operation_p) Set addr_reg_in_reglist correctly for first register. (load_multiple_sequence): Remove dead base check. (gen_ldm_seq): Correctly set write_back for Thumb-1. 2019-07-15 Andreas Krebbel Backport from mainline 2019-07-01 Andreas Krebbel * config/s390/vector.md: Fix shift count operand printing. 2019-07-15 Wilco Dijkstra Backport from mainline 2019-01-23 Bin Cheng Steve Ellcey PR target/85711 * recog.c (address_operand): Return false on wrong mode for address. (constrain_operands): Check for mode with 'p' constraint. 2019-07-12 Eric Botcazou PR rtl-optimization/91136 * df-core.c (ACCESSING REFS): Fix typos in comment. * resource.c (mark_target_live_reg): Add artificial defs that occur at the beginning of the block to the initial set of live registers. 2019-07-04 Martin Liska Backport from mainline 2019-07-03 Martin Liska PR middle-end/90899 * multiple_target.c (create_dispatcher_calls): Add to comdat group only if set for ifunc. 2019-06-28 Jeff Law Backport from mainline 2019-06-21 Jeff Law PR tree-optimization/90949 * tree-ssa-copy.c (fini_copy_prop): Use reset_flow_sensitive_info. * tree-ssanames.c (reset_flow_sensitive_info): Reset non-null state. 2019-06-26 Martin Jambor Backport from mainline 2019-06-25 Martin Jambor PR ipa/90939 * ipa-cp.c (ipcp_bits_lattice::meet_with): Remove assert. 2019-06-26 Rainer Orth Backport from mainline 2019-06-17 Rainer Orth * configure.ac (ld_vers) <*-*-solaris2*>: Remove support for alternative Solaris 11.4 format. * configure: Regenerate. 2019-06-16 Jeff Law Backport from mainline 2019-06-16 Prachi Godbole Robert Suchanek * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st and 3rd operands of the fmadd/fmsub/maddv builtin. 2019-06-16 John David Anglin PR middle-end/64242 * config/pa/pa.md (nonlocal_goto): Restore frame pointer last. Add frame clobbers and schedule block. (builtin_longjmp): Likewise. 2019-06-11 Jakub Jelinek PR target/90811 * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d instead of and.u%d. 2019-06-07 John David Anglin PR target/90751 * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment. Call pa_output_function_label. (TARGET_ASM_FUNCTION_PROLOGUE): define. * config/pa/pa-protos.h (pa_output_function_label): Declare. * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED to declaration. (pa_linux_output_function_prologue): Declare. (TARGET_ASM_FUNCTION_PROLOGUE): Delete define. (pa_output_function_label): New. (pa_output_function_prologue): Revise to use pa_output_function_label. (pa_linux_output_function_prologue): New. * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define. 2019-06-07 Iain Sandoe Backport from mainline. 2019-05-12 Iain Sandoe PR target/82920 * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for Darwin. 2019-06-07 Iain Sandoe Backport from mainline. 2019-05-12 Iain Sandoe PR target/82920 * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New. (ix86_output_indirect_branch_via_reg): Use output mechanism accounting for __USER_LABEL_PREFIX__. (ix86_output_indirect_branch_via_push): Likewise. (ix86_output_function_return): Likewise. (ix86_output_indirect_function_return): Likewise. 2019-05-30 Jakub Jelinek * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght to length. 2019-05-29 Jakub Jelinek PR fortran/90329 * lto-streamer.h (LTO_minor_version): Bump to 2. Backported from mainline 2019-05-16 Jakub Jelinek PR fortran/90329 * tree-core.h (struct tree_decl_common): Document decl_nonshareable_flag for PARM_DECLs. * tree.h (DECL_HIDDEN_STRING_LENGTH): Define. * calls.c (expand_call): Don't try tail call if caller has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be passed on the stack and callee needs to pass any arguments on the stack. * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use else if instead of series of mutually exclusive ifs. Handle DECL_HIDDEN_STRING_LENGTH for PARM_DECLs. * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise. 2019-05-28 John David Anglin * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment. 2019-05-27 Eric Botcazou * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index and DW_OP_GNU_const_index opcodes. 2019-05-24 John David Anglin PR target/90530 * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from DImode to SImode in floating-point registers on 64-bit target. * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to register_operand in xmpyu patterns. 2019-05-24 Martin Liska Backport from mainline 2019-05-23 Martin Liska PR sanitizer/90570 * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target expression similarly to gimplify_decl_expr. 2019-05-23 Uroš Bizjak Backport from mainline 2019-05-21 Uroš Bizjak * config/i386/cpuid.h (__cpuid): For 32bit targets, zero %ebx and %ecx bafore calling cpuid with leaf 1 or non-constant leaf argument. 2019-05-21 Uroš Bizjak PR target/90547 * config/i386/i386.md (anddi_1 to andsi_1_zext splitter): Avoid calling gen_lowpart with CONST operand. 2019-05-21 Sebastian Huber Backported from mainline 2019-05-16 Sebastian Huber * config/arm/t-rtems: Replace ARMv7-M multilibs with Cortex-M multilibs. 2019-05-20 Jeff Law Backport from mainline 2019-05-17 Dragan Mladjenovic * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64 and fpxx modes. 2019-05-16 Kelvin Nilsen Backport from mainline. 2019-05-07 Kelvin Nilsen PR target/89765 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic to compute vector element selector for both constant and variable operands. 2019-05-15 David Edelsohn Backport from mainline 2019-04-11 David Edelsohn * xcoffout.h (xcoff_private_rodata_section_name): Declare. * xcoffout.c (xcoff_private_rodata_section_name): Define. * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create read_only_private_data_section using coff_private_rodata_section_name. (rs6000_xcoff_file_start): Generate coff_private_rodata_section_name. 2018-12-04 David Edelsohn 2018-12-13 David Edelsohn PR target/61976 * config/rs6000/rs6000.c (rs6000_function_arg): Don't pass aggregates in FPRs on AIX. Ensure type is non-NULL. (rs6000_arg_partial_bytes): Same. 2019-05-14 Martin Liska Backport from mainline 2019-05-13 Martin Liska PR gcov-profile/90380 * gcov.c (handle_cycle): Do not support zero cycle count, it should not be possible. (path_contains_zero_cycle_arc): New function. (circuit): Ignore zero cycle arc counts. 2019-05-14 Martin Liska Backport from mainline 2019-05-13 Martin Liska PR gcov-profile/90380 * gcov.c (enum loop_type): Remove the enum and the operator. (handle_cycle): Assert that we should not reach a negative count. (circuit): Use loop_found instead of a tri-state loop_type. (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't happen. 2019-05-11 Andreas Tobler Backport from mainline. 2019-04-25 Andreas Tobler * config/i386/freebsd64.h: Add bits for 32-bit multilib support. * config/i386/t-freebsd64: New file. * config.gcc: Add the t-freebsd64 for multilib support. 2019-05-08 Kelvin Nilsen Backport from mainline. 2019-05-06 Kelvin Nilsen PR target/89424 * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add handling of V1TImode. 2019-05-06 Richard Biener PR bootstrap/90359 Backport from mainline 2019-03-11 Jakub Jelinek PR middle-end/89655 PR bootstrap/89656 * vr-values.c (vr_values::update_value_range): If old_vr->varying_p (), don't update it, make new_vr also VARYING and return false. 2019-05-03 Richard Biener Backport from mainline 2019-03-14 Richard Biener PR middle-end/89698 * fold-const.c (operand_equal_p): For INDIRECT_REF check that the access types are similar. 2019-03-07 Richard Biener PR tree-optimization/89595 * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take stmt iterator as reference, take boolean output parameter to indicate whether the stmt was removed and thus the iterator already advanced. (dom_opt_dom_walker::before_dom_children): Re-iterate over stmts created by folding. 2019-03-14 Richard Biener PR tree-optimization/89710 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use safe_dyn_cast. 2019-04-15 Richard Biener PR tree-optimization/90071 * tree-ssa-reassoc.c (init_range_entry): Do not pick up abnormal operands from def stmts. 2018-08-20 Bernd Edlinger PR target/86984 * expr.c (expand_assignment): Assert that bitpos is positive. (store_field): Likewise (expand_expr_real_1): Make sure that bitpos is positive. * config/alpha/alpha.h (CONSTANT_ADDRESS_P): Avoid signed integer overflow. 2019-03-14 Richard Biener PR target/89711 * config/i386/i386.c (make_resolver_func): Properly set DECL_CONTEXT on the RESULT_DECL. * config/rs6000/rs6000.c (make_resolver_func): Likewise. 2019-04-30 Jakub Jelinek Backported from mainline 2019-04-24 Jakub Jelinek PR target/90193 * rtl.c (classify_insn): Return JUMP_INSN for asm goto. * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET. PR target/90187 * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into a register if both if_true and if_false are MEMs. PR tree-optimization/90208 * tree-cfg.c (remove_bb): Move forced labels from removed bbs after labels of new_bb, not before them. 2019-04-16 Jakub Jelinek PR rtl-optimization/90082 * dce.c (can_delete_call): New function. (deletable_insn_p, mark_insn): Use it. PR tree-optimization/90090 * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can throw internally. (is_division_by_square): Likewise. Formatting fix. 2019-04-12 Jakub Jelinek PR rtl-optimization/89965 * dce.c: Include rtl-iter.h. (struct check_argument_load_data): New type. (check_argument_load): New function. (find_call_stack_args): Check for loads from stack slots still tracked in sp_bytes and punt if any is found. PR c/89946 * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p and gcc_unreachable if it fails, just call tree_to_uhwi which verifies that too. Test TREE_CHAIN instead of list_length > 1. Start warning message with a lower-case letter. Formatting fixes. PR rtl-optimization/90026 * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no successors, look for BARRIERs inside of the whole BB_FOOTER chain rather than just at the start of it. If e->src BB_FOOTER is not NULL in cfglayout mode, use emit_barrier_after_bb. 2019-04-11 Jakub Jelinek PR rtl-optimization/89965 * dce.c (sp_based_mem_offset): New function. (find_call_stack_args): Use sp_based_mem_offset. 2019-04-10 Jakub Jelinek PR c++/90010 * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr with strlen in between hostsz-3 and hostsz-1 inclusive when no translation is needed, and when translation is needed, only append ... if the string length is hostsz or more bytes long. Avoid using strncpy or strcat. 2019-04-09 Jakub Jelinek PR tree-optimization/89998 * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type instead of integer_type_node if possible, don't add ranges if return type is not compatible with int. * gimple-fold.c (gimple_fold_builtin_sprintf, gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded integer_type_node. 2019-03-29 Jakub Jelinek PR c/89872 * gimplify.c (gimplify_compound_literal_expr): Don't optimize a non-addressable complit into its initializer if it is volatile. 2019-03-28 Jakub Jelinek PR middle-end/89621 * tree-inline.h (struct copy_body_data): Add dont_remap_vla_if_no_change flag. * tree-inline.c (remap_type_3, remap_type_2): New functions. (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change and remap_type_2 returns false. * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change. 2019-03-20 Jakub Jelinek PR target/89752 * lra-constraints.c (process_alt_operands) : For BLKmode, don't update this_alternative nor this_alternative_set. 2019-03-19 Jakub Jelinek PR rtl-optimization/89768 * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode instead of GEN_INT. (unroll_loop_runtime_iterations): Likewise. PR target/89752 * gimplify.c (gimplify_asm_expr): For output argument with TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise diagnose error. PR target/89726 * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil compensation use x2 += 1 instead of x2 -= -1 and when honoring signed zeros, do another copysign after the compensation. 2019-03-15 Jakub Jelinek PR debug/89704 * dwarf2out.c (add_const_value_attribute): Return false for MINUS, SIGN_EXTEND and ZERO_EXTEND. 2019-03-14 Jakub Jelinek PR ipa/89684 * multiple_target.c (create_dispatcher_calls): Change references_to_redirect from vector of ipa_ref * to vector of ipa_ref. In the node->iterate_referring loop, push *ref rather than ref, call ref->remove_reference () and always pass 0 to iterate_referring. PR rtl-optimization/89679 * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it would contain a paradoxical SUBREG. PR tree-optimization/89703 * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types aren't compatible also with builtin_decl_explicit. Check pure or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}} and BUILT_IN_STPNCPY{,_CHK}. 2019-03-13 Jakub Jelinek PR debug/89498 * dwarf2out.c (size_of_die): For dw_val_class_view_list always use DWARF_OFFSET_SIZE. (value_format): For dw_val_class_view_list never use DW_FORM_loclistx. PR middle-end/88588 * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args. (ipa_simd_modify_function_body): Handle PHIs. 2019-03-12 Jakub Jelinek PR middle-end/89663 * builtins.c (expand_builtin_int_roundingfn, expand_builtin_int_roundingfn_2): Return NULL_RTX instead of gcc_unreachable if validate_arglist fails. 2019-03-09 Jakub Jelinek PR c/88568 * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT. 2019-03-05 Jakub Jelinek PR target/89587 * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only if_multiarch. PR middle-end/89590 * builtins.c (maybe_emit_free_warning): Punt if free doesn't have exactly one argument. 2019-02-28 Jakub Jelinek PR c/89520 * convert.c (convert_to_real_1, convert_to_integer_1): Punt for builtins if they don't have a single scalar floating point argument. Formatting fixes. 2019-02-20 Jakub Jelinek PR middle-end/89412 * expr.c (expand_assignment): If result is a MEM, use change_address instead of simplify_gen_subreg. 2019-02-20 Jakub Jelinek David Malcolm PR middle-end/89091 * fold-const.c (decode_field_reference): Return NULL_TREE if lang_hooks.types.type_for_size returns NULL. Check it before overwriting *exp_. Use return NULL_TREE instead of return 0. 2019-02-20 Jakub Jelinek PR middle-end/88074 PR middle-end/89415 * toplev.c (do_compile): Double the emin/emax exponents to workaround buggy mpc_norm. 2019-02-19 Richard Biener PR middle-end/88074 * toplev.c (do_compile): Initialize mpfr's exponent range based on available float modes. 2019-04-30 Ramana Radhakrishnan Backport from mainline. 2019-04-30 Ramana Radhakrishnan PR target/86538 * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define __ARM_FEATURE_ATOMICS. 2019-04-30 Srinath Parvathaneni Backport from mainline 2018-12-11 Richard Earnshaw PR target/37369 * config/aarch64/iterators.md (sizem1): Add sizes for SFmode and DFmode. (Vbtype): Add SFmode mapping. * config/aarch64/aarch64.md (copysigndf3, copysignsf3): Delete. (copysign3): New expand pattern. (copysign3_insn): New insn pattern. 2019-04-29 Richard Sandiford Backport from mainline: 2019-01-25 Richard Sandiford PR middle-end/89037 * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi instead of accessing TREE_INT_CST_ELT directly. 2019-04-29 Richard Sandiford Backport from mainline: 2018-08-23 Richard Sandiford PR target/85910 * config/aarch64/aarch64.c (aarch64_expand_vec_perm_const_1): Fix aarch64_evpc_tbl guard. 2019-04-29 Richard Sandiford Backport from mainline: 2019-03-08 Richard Sandiford PR debug/89631 * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT instead of POLY_INT_CST. 2019-04-26 Roman Zhuykov Backport from mainline 2019-04-23 Roman Zhuykov PR rtl-optimization/87979 * modulo-sched.c (sms_schedule): Start ii value "mii" should not equal zero. PR rtl-optimization/84032 * modulo-sched.c (ps_insn_find_column): Change condition so that branch will always be the last insn in a row inside partial schedule. 2019-04-19 Pat Haugen Backport from mainline: 2019-04-16 Pat Haugen PR target/84369 * config/rs6000/power9.md: Add store forwarding bypass. 2019-04-17 Martin Jambor Backport from mainline 2019-03-10 Martin Jambor PR tree-optimization/85762 PR tree-optimization/87008 PR tree-optimization/85459 * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool it points to if there is a type changing MEM_REF. Adjust all callers. (build_accesses_from_assign): Disable total scalarization if contains_vce_or_bfcref_p returns true through the new parameter, for both rhs and lhs. 2019-04-17 Kelvin Nilsen Backport from mainline 2019-03-15 Kelvin Nilsen PR target/87532 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): When handling vec_extract, use modular arithmetic to allow constant selectors greater than vector length. * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow V1TImode vectors to have constant selector values greater than 0. Use modular arithmetic to compute vector index. (rs6000_split_vec_extract_var): Use modular arithmetic to compute index for in-memory vectors. Correct code generation for in-register vectors. Use inner mode of vector rather than mode of destination for move instruction. (altivec_expand_vec_ext_builtin): Use modular arithmetic to compute index. 2019-04-12 Kelvin Nilsen PR target/87532 * config/rs6000/vsx.md (*vsx_extract__mode_var): Use QI inner mode with V16QI vector mode. 2019-04-15 Martin Jambor Backport from mainline 2019-04-15 Martin Jambor PR ipa/89693 * cgraph.c (clone_of_p): Loop over clone chain for each step in the thunk chain. 2019-04-15 Martin Liska Backport from mainline 2019-01-18 Martin Liska Richard Biener PR middle-end/88587 * cgraph.h (create_version_clone_with_body): Add new argument with attributes. * cgraphclones.c (cgraph_node::create_version_clone): Add DECL_ATTRIBUTES to a newly created decl. And call valid_attribute_p so that proper cl_target_optimization_node is set for the newly created declaration. * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES for declaration. (expand_target_clones): Do not call valid_attribute_p, it must be already done. * tree-inline.c (copy_decl_for_dup_finish): Reset mode for vector types. 2019-04-11 Richard Biener PR tree-optimization/90018 * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Test both SLP and interleaving variants. 2019-04-10 Matthew Malcomson PR target/90024 * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter. * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint into three. * config/arm/neon.md (*neon_mov): Account for TImode and DImode differences directly. (*smax3_neon, vashl3, vashr3_imm): Use Dm constraint. 2019-04-07 Uroš Bizjak PR target/89945 * config/i386/i386.md (anddi_1 to andsi_1_zext splitter): Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand. 2019-04-04 Martin Sebor PR middle-end/89934 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail out if the number of arguments is less than expected. 2019-04-03 Richard Biener PR lto/89896 * lto-wrapper.c (run_gcc): Avoid implicit rules making the all target phony. 2019-04-02 Uroš Bizjak PR target/89902 PR target/89903 * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Return false for variable DImode shifts. (dimode_scalar_chain::compute_convert_gain): Do not handle register count operand in variable DImode shifts. (dimode_scalar_chain::make_vector_copies): Remove support to copy count argument of a variable shift instruction to a vector register. (dimode_scalar_chain::convert_reg): Remove support to convert count argument of a variable shift instruction. 2019-03-29 Kugan Vivekanandarajah Backport from mainline 2019-03-29 Kugan Vivekanandarajah Eric Botcazou PR rtl-optimization/89862 * rtl.h (word_register_operation_p): Exclude CONST_INT from operations that operates on the full registers for WORD_REGISTER_OPERATIONS architectures. 2019-03-28 Uroš Bizjak PR target/89848 * config/i386/i386.c (dimode_scalar_chain::make_vector_copies): Also process XEXP (src, 0) of a shift insn. 2019-03-28 Martin Liska Backport from mainline 2018-11-05 Martin Liska PR web/87829 * doc/invoke.texi: Remove options that are not disabled with -Os. 2019-03-26 Uroš Bizjak PR target/89827 * config/i386/i386.c (dimode_scalar_chain::convert_reg): Also process XEXP (src, 0) of a shift insn. 2019-03-25 Andreas Krebbel Backport from mainline 2019-03-20 Andreas Krebbel PR target/89775 * config/s390/s390.c (global_not_special_regno_p): Move to make it available to ... (s390_optimize_register_info): Use global_not_special_regno_p to check for global regs. 2019-03-22 Bill Schmidt Backport from mainline 2019-03-22 Bill Schmidt * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo. 2019-03-21 Bill Schmidt Backport from mainline 2019-03-08 Bill Schmidt * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild ud- and du-chains between phases. 2019-03-19 Richard Biener PR debug/88389 * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO. 2019-03-19 Eric Botcazou PR rtl-optimization/89753 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for explicit unrolling factor even more robust. 2019-03-18 Martin Sebor PR middle-end/88273 * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range): Handle anti-ranges the same as no range at all. 2019-03-18 Martin Jambor Backport from mainline 2019-03-18 Martin Jambor PR tree-optimization/89546 * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if any propagation to its children took place. 2019-03-17 H.J. Lu Backport from mainline 2019-03-14 H.J. Lu PR target/89523 * config/i386/i386.c (ix86_print_operand): Handle 'M' to add addr32 prefix to VSIB address for X32. * config/i386/sse.md (*avx512pf_gatherpfsf_mask): Prepend "%M2" to opcode. (*avx512pf_gatherpfdf_mask): Likewise. (*avx512pf_scatterpfsf_mask): Likewise. (*avx512pf_scatterpfdf_mask): Likewise. (*avx2_gathersi): Prepend "%M3" to opcode. (*avx2_gathersi_2): Prepend "%M2" to opcode. (*avx2_gatherdi): Prepend "%M3" to opcode. (*avx2_gatherdi_2): Prepend "%M2" to opcode. (*avx2_gatherdi_3): Prepend "%M3" to opcode. (*avx2_gatherdi_4): Prepend "%M2" to opcode.` (*avx512f_gathersi): Prepend "%M4" to opcode. (*avx512f_gathersi_2): Prepend "%M3" to opcode. (*avx512f_gatherdi): Prepend "%M4" to opcode. (*avx512f_gatherdi_2): Prepend "%M3" to opcode. (*avx512f_scattersi): Prepend "%M0" to opcode. (*avx512f_scatterdi): Likewise. 2019-03-15 Richard Biener Backport from mainline 2018-11-30 Jakub Jelinek PR testsuite/85368 * params.def (PARAM_LOGICAL_OP_NON_SHORT_CIRCUIT): New param. * tree-ssa-ifcombine.c (ifcombine_ifandif): If --param logical-op-non-short-circuit is present, override LOGICAL_OP_NON_SHORT_CIRCUIT value from the param. * fold-const.c (fold_range_test, fold_truth_andor): Likewise. 2019-03-15 Martin Liska PR other/89712 * doc/invoke.texi: Remove -fdump-class-hierarchy option. 2019-03-14 Martin Jambor Backport from mainline 2019-03-07 Martin Jambor PR lto/87525 * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit for extern inline functions. 2019-03-14 Richard Biener PR middle-end/89572 * tree-scalar-evolution.c (get_loop_exit_condition): Use safe_dyn_cast. * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use gimple_location_safe. 2019-03-13 Vladimir Makarov PR target/85860 * lra-constraints.c (inherit_in_ebb): Update potential_reload_hard_regs along with live_hard_regs. 2019-03-14 Richard Biener Backport from mainline 2019-03-13 Richard Biener PR middle-end/89677 * tree-scalar-evolution.c (simplify_peeled_chrec): Do not throw FP expressions at tree-affine. 2019-03-01 Richard Biener PR middle-end/89497 * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags argument, defaulted to zero. * passes.c (execute_function_todo): Pass down SSA update flags to cleanup_tree_cfg. * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h. (cleanup_tree_cfg_1): After cleanup_control_flow_pre update SSA form if requested. (cleanup_tree_cfg_noloop): Pass down SSA update flags. (cleanup_tree_cfg): Get and pass down SSA update flags. 2019-02-18 Richard Biener PR tree-optimization/89296 * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting of no-warning flag to cases that might emit the bogus warning. 2019-03-13 Andreas Krebbel Backport from mainline 2019-03-11 Andreas Krebbel * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not only on the else branch. 2019-03-13 Andreas Krebbel Backport from mainline 2019-02-07 Andreas Krebbel * config/s390/s390-builtin-types.def: Add new types. * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2) (s390_vec_xlw4): Make the memory operand into a const pointer. (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision float. * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate a new vector type with the alignment of the scalar memory operand. 2019-03-12 Richard Biener PR tree-optimization/89664 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly free the occurance tree after the early out. 2019-03-12 Andre Vieira Backport from mainline 2019-03-08 Andre Vieira * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE requirement. 2019-03-11 Eric Botcazou PR rtl-optimization/89588 * loop-unroll.c (decide_unroll_constant_iterations): Make guard for explicit unrolling factor more robust. 2019-03-11 Martin Liska Backport from mainline 2019-03-08 Martin Liska PR target/86952 * config/i386/i386.c (ix86_option_override_internal): Disable jump tables when retpolines are used. 2019-03-11 Martin Liska Backport from mainline 2019-02-11 David Malcolm PR lto/88147 * input.c (selftest::test_line_offset_overflow): New selftest. (selftest::input_c_tests): Call it. 2019-03-08 Martin Jambor Backport from mainline 2019-03-07 Martin Jambor PR ipa/88235 * cgraph.h (cgraph_node): New inline method former_thunk_p. * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk. (clone_of_p): Treat expanded thunks like thunks, be optimistic if they have multiple callees. At the end check if declarations match as opposed to cgraph_nodes. 2019-03-06 Tamar Christina Backport from trunk. 2019-02-25 Tamar Christina PR target/88530 * common/config/aarch64/aarch64-common.c (struct aarch64_option_extension): Add is_synthetic. (all_extensions): Use it. (TARGET_OPTION_INIT_STRUCT): Define hook. (struct gcc_targetm_common): Moved to end. (all_extensions_by_on): New. (opt_ext_cmp, typedef opt_ext): New. (aarch64_option_init_struct): New. (aarch64_contains_opt): New. (aarch64_get_extension_string_for_isa_flags): Output smallest set. * config/aarch64/aarch64-option-extensions.def (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto. (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3, sm4, fp16fml, sve): Set is_synthetic to false. (crypto): Set is_synthetic to true. * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add SYNTHETIC. 2019-03-06 Tamar Christina Backport from trunk. 2019-02-28 Tamar Christina PR target/88530 * config/aarch64/aarch64-option-extensions.def: Document it. * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature if empty hwcaps. 2019-03-06 Xiong Hu Luo Backport of r268834 from mainline to gcc-8-branch. 2019-02-13 Xiong Hu Luo * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be, vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines. * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator. (crypto_vsbox_, crypto__): New define_insns. * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1. (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE): New BU_CRYPTO_2. * config/rs6000/rs6000.c (builtin_function_type) : New switch options. * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New builtin functions. 2019-03-05 Richard Biener Backport from mainline 2019-02-26 Richard Biener PR tree-optimization/89505 * tree-ssa-structalias.c (compute_dependence_clique): Make sure to handle restrict pointed-to vars with multiple subvars correctly. 2019-03-01 Tamar Christina PR target/89517 * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16): Collapse line. 2019-03-01 Richard Biener Backport from mainline 2019-03-01 Jakub Jelinek PR bootstrap/89539 * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to early_lto_debug argument. 2019-02-27 Richard Biener PR debug/88878 * dwarf2out.c (use_debug_types): Disable when in_lto_p. 2019-02-27 Richard Biener PR debug/88878 * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug parameter, prefix section name with .gnu.debuglto_ if true. (dwarf2out_finish): Pass false to output_comdat_type_unit. (dwarf2out_early_finish): Pass true to output_comdat_type_unit. 2019-02-27 Richard Biener PR debug/89514 * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p rather than on use_debug_types, doing what output_die does. (value_format): Likewise. 2019-02-28 Eric Botcazou PR tree-optimization/89536 * tree-ssa-dom.c (edge_info::derive_equivalences) : Test only whether bit #0 of the value is 0 instead of the entire value. 2019-02-28 Li Jia He Backport from trunk 2019-02-20 Li Jia He PR target/88100 * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin) : Don't convert the operand before range checking it. 2019-02-27 Uroš Bizjak PR target/89397 * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check TARGET_SSE in addition to TARGET_SSE_MATH. (ix86_excess_precision): Ditto. (ix86_float_exceptions_rounding_supported_p): Ditto. (use_rsqrt_p): Ditto. * config/i386/sse.md (rsqrt2): Ditto. 2019-02-27 Jakub Jelinek Backported from mainline 2019-02-18 Jakub Jelinek PR target/89361 * config/s390/s390.c (s390_indirect_branch_attrvalue, s390_indirect_branch_settings): Define unconditionally. (s390_set_current_function): Likewise, but guard the whole body except the s390_indirect_branch_settings call with #if S390_USE_TARGET_ATTRIBUTE. (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally. 2019-02-26 Eric Botcazou Backport from mainline 2019-02-19 Eric Botcazou * rtlanal.c (get_initial_register_offset): Fall back to the estimate as long as the epilogue isn't completed. 2019-02-26 Eric Botcazou * tree-ssa-dom.c (edge_info::derive_equivalences) : Fix and move around comment. : Likewise. : Add specific handling for boolean types. 2019-02-24 Alan Modra PR target/89271 * config/rs6000/rs6000.md (_ split): Check for an int output reg on add insn. (tf_ split): Likewise. Match predicates with insn. 2019-02-22 Jakub Jelinek * BASE-VER: Set to 8.3.1. 2019-02-22 Release Manager * GCC 8.3.0 released. 2019-02-15 Richard Biener Jakub Jelinek PR tree-optimization/89278 * tree-loop-distribution.c: Include tree-eh.h. (generate_memset_builtin, generate_memcpy_builtin): Call rewrite_to_non_trapping_overflow on builtin->size before passing it to force_gimple_operand_gsi. 2019-02-15 Jakub Jelinek PR other/89342 * optc-save-gen.awk: Handle optimize_fast like optimize_size or optimize_debug. * opth-gen.awk: Likewise. 2019-02-14 David Malcolm Backport of r267957 from trunk. 2019-01-15 David Malcolm PR c++/88795 * tree.c (build_function_type): Assert that arg_types is not error_mark_node. 2019-02-14 Jakub Jelinek PR rtl-optimization/89354 * combine.c (make_extraction): Punt if extraction_mode is narrower than len bits. 2019-02-14 David Malcolm Backport of r263339 from trunk. 2018-08-06 David Malcolm * function-tests.c (selftest::test_expansion_to_rtl): Call free_after_compilation. 2019-02-14 David Malcolm Backport of r263295 from trunk. 2018-08-03 David Malcolm * doc/gcov.texi (-x): Remove duplicate "to". * doc/invoke.texi (-Wnoexcept-type): Remove duplicate "calls". (-Wif-not-aligned): Remove duplicate "is". (-flto): Remove duplicate "the". (MicroBlaze Options): In examples of "-mcpu=cpu-type", remove duplicate "v5.00.b". (MSP430 Options): Remove duplicate "and" from the description of "-mgprel-sec=regexp". (x86 Options): Remove duplicate copies of "vmldLog102" and vmlsLog104 from description of "-mveclibabi=type". 2019-02-14 David Malcolm Backport of r263275 from trunk. 2018-08-02 David Malcolm * diagnostic-show-locus.c (diagnostic_show_locus): Use pp_take_prefix when saving the existing prefix. * diagnostic.c (diagnostic_append_note): Likewise. * langhooks.c (lhd_print_error_function): Likewise. * pretty-print.c (pp_set_prefix): Drop the "const" from "prefix" param's type. Free the existing prefix. (pp_take_prefix): New function. (pretty_printer::pretty_printer): Drop the prefix parameter. Rename the length parameter to match the comment. (pretty_printer::~pretty_printer): Free the prefix. * pretty-print.h (pretty_printer::pretty_printer): Drop the prefix parameter. (struct pretty_printer): Drop the "const" from "prefix" field's type and clarify memory management. (pp_set_prefix): Drop the "const" from the 2nd param. (pp_take_prefix): New decl. 2019-02-14 Segher Boessenkool Backport from trunk 2018-08-31 Segher Boessenkool PR target/86684 PR target/87149 * config/rs6000/rs6000.md (lrounddi2): Gate on TARGET_FPRND. 2019-02-14 Segher Boessenkool Backport from trunk 2019-01-18 Segher Boessenkool PR target/88892 * config/rs6000/rs6000.md (*movsi_from_df): Allow only register operands. 2019-02-14 Segher Boessenkool Backport from trunk 2018-07-26 Segher Boessenkool PR rtl-optimization/85805 * combine.c (reg_nonzero_bits_for_combine): Only use the last set value for hard registers if that was written in the same mode. 2019-02-14 Martin Liska Backport from mainline 2019-02-14 Martin Liska PR rtl-optimization/89242 * dce.c (delete_unmarked_insns): Call free_dominance_info we process a transformation. 2019-02-14 Martin Liska Backport from mainline 2019-02-13 Martin Liska PR lto/88858 * cfgrtl.c (remove_barriers_from_footer): New function. (try_redirect_by_replacing_jump): Use it. (cfg_layout_redirect_edge_and_branch): Likewise. 2019-02-14 Martin Liska Backport from mainline 2019-02-11 Martin Liska PR ipa/89009 * ipa-cp.c (build_toporder_info): Remove usage of a param. * ipa-inline.c (inline_small_functions): Likewise. * ipa-pure-const.c (propagate_pure_const): Likewise. (propagate_nothrow): Likewise. * ipa-reference.c (propagate): Likewise. * ipa-utils.c (struct searchc_env): Remove unused field. (searchc): Always search across AVAIL_INTERPOSABLE. (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as the only called IPA pure const can properly not propagate across interposable boundary. * ipa-utils.h (ipa_reduced_postorder): Remove param. 2019-02-14 Jakub Jelinek PR tree-optimization/89314 * fold-const.c (fold_binary_loc): Cast strlen argument to const char * before dereferencing it. Formatting fixes. Backported from mainline 2019-02-13 Jakub Jelinek PR middle-end/89303 * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var into pt->vars_contains_escaped_heap instead of setting pt->vars_contains_escaped_heap to it. PR middle-end/89281 * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of INTVAL (size), compare it to GET_MODE_MASK instead of 1 << GET_MODE_BITSIZE. PR target/89290 * config/i386/predicates.md (x86_64_immediate_operand): Allow TLS UNSPECs offsetted by signed 32-bit CONST_INT even with -mcmodel=large. 2019-02-09 Jakub Jelinek PR middle-end/89246 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen): If !node->definition and TYPE_ARG_TYPES is non-NULL, use TYPE_ARG_TYPES instead of DECL_ARGUMENTS. 2019-02-13 Bill Schmidt Backport from mainline 2019-02-11 Bill Schmidt * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right and shift-left vector built-ins need to include a TRUNC_MOD_EXPR for correct semantics. 2019-02-13 Richard Biener Backport from mainline 2019-01-08 Richard Biener PR tree-optimization/86554 * tree-ssa-sccvn.c (visit_nary_op): When value-numbering to expressions with different overflow behavior make sure there's an available expression on the path. 2019-02-13 Martin Liska PR lto/89260 * lto-streamer.h (LTO_minor_version): Bump version due to r268698. 2019-02-13 Richard Biener Backport from mainline 2019-02-12 Richard Biener PR tree-optimization/89253 * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can duplicate the loop. 2019-02-08 Richard Biener PR middle-end/89223 * tree-data-ref.c (initialize_matrix_A): Fail if constant doesn't fit in HWI. (analyze_subscript_affine_affine): Handle failure from initialize_matrix_A. 2019-01-28 Richard Biener PR tree-optimization/88739 * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating BIT_FIELD_REFs of non-mode-precision integral operands. 2019-02-12 Jan Hubicka Backport from mainline: 2019-02-09 Jan Hubicka * ipa-visibility.c (localize_node): Also do not localize LDPR_PREVAILING_DEF_IRONLY_EXP. 2019-02-11 Stefan Agner Backport from mainline. 2019-01-10 Stefan Agner PR target/88648 * config/arm/arm.c (arm_option_override_internal): Force opts->x_inline_asm_unified to true only if TARGET_THUMB2_P. 2019-02-09 Jan Hubicka Backport from mainline: 2019-01-05 Jan Hubicka PR tree-opt/86020 Revert: 2017-05-22 Jan Hubicka * ipa-inline.c (edge_badness): Use inlined_time instead of inline_summaries->get. 2019-02-09 Aaron Sawdey Backported from mainline 2019-02-05 Aaron Sawdey PR target/89112 * config/rs6000/rs6000.md (tf_): Generate a local label for the long branch case. 2019-02-05 Aaron Sawdey PR target/89112 * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence, expand_compare_loop, expand_block_compare_gpr, expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add #include "profile-count.h" and "predict.h" for types and functions needed to work with REG_BR_PROB notes. 2019-02-09 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_compare_loop, expand_block_compare): Insert REG_BR_PROB notes in inline expansion of memcmp/strncmp. 2019-02-09 Jakub Jelinek Backported from mainline 2019-01-16 David Malcolm PR target/88861 * combine.c (delete_noop_moves): Convert to "bool" return, returning true if any edges are eliminated. (combine_instructions): Also return true if delete_noop_moves returns true. 2019-02-08 Jakub Jelinek PR rtl-optimization/89234 * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P. (copy_reg_eh_region_note_backward): Likewise. 2019-02-09 Alan Modra PR target/88343 * config/rs6000/rs6000.c (save_reg_p): Match logic in rs6000_emit_prologue emitting pic_offset_table setup. 2019-02-08 Richard Biener Backport from mainline 2018-11-13 Richard Biener PR tree-optimization/86991 * tree-vect-loop.c (vect_is_slp_reduction): Delay reduction group building until we have successfully detected the SLP reduction. (vect_is_simple_reduction): Remove fixup code here. 2019-02-08 Richard Biener Backport from mainline 2019-02-03 Richard Biener PR debug/87295 * dwarf2out.c (copy_ancestor_tree): Register non-stubs as orig. 2019-01-29 Richard Biener PR debug/87295 * dwarf2out.c (collect_skeleton_dies): New helper. (copy_decls_for_unworthy_types): Call it. (build_abbrev_table): Do not try to replace DW_AT_signature refs with local refs. 2019-01-17 Richard Biener PR lto/86736 * dwarf2out.c (want_pubnames): Never generate pubnames sections and friends for the LTO part of debug info. 2019-01-24 Richard Biener PR lto/87187 * tree-streamer-out.c (write_ts_decl_common_tree_pointers): When in "legacy" debug mode make sure to reset self-origins. 2019-01-15 Richard Biener PR debug/88046 * dwarf2out.c (gen_member_die): Do not generate inheritance DIEs late. 2018-11-22 Richard Biener PR lto/87229 PR lto/88112 * lto-streamer-out.c (lto_is_streamable): Allow CALL_EXPRs which can appear in size expressions. * tree-streamer-in.c (unpack_ts_base_value_fields): Stream CALL_EXPR_BY_DESCRIPTOR. (streamer_read_tree_bitfields): Stream CALL_EXPR_IFN. * tree-streamer-out.c (pack_ts_base_value_fields): Stream CALL_EXPR_BY_DESCRIPTOR. (streamer_write_tree_bitfields): Stream CALL_EXPR_IFN. 2019-02-08 Christophe Lyon Backport from mainline 2019-01-07 Christophe Lyon PR target/85596 * doc/install.texi (with-multilib-list): Document for aarch64. 2019-02-08 Richard Biener Backport from mainline 2018-12-10 Richard Biener PR tree-optimization/88427 * vr-values.c (vr_values::extract_range_from_phi_node): Handle symbolic ranges conservatively when trying to drop to Inf +- 1. 2018-11-28 Richard Biener PR tree-optimization/88217 * vr-values.c (vr_values::extract_range_from_phi_node): Make sure to handle results > +INF and < -INF correctly when trying to drop down to +INF - 1 or -INF + 1. 2018-11-23 Richard Biener PR tree-optimization/88149 * tree-vect-slp.c (vect_slp_analyze_node_operations): Detect the case where there are two different def types for the same operand at different operand position in the same stmt. 2019-02-07 Jakub Jelinek Backported from mainline 2019-02-05 Jakub Jelinek PR target/89188 * dce.c (delete_unmarked_insns): Don't remove no-op moves if they can throw, non-call exceptions are enabled and we can't delete dead exceptions or alter cfg. Set must_clean if delete_insn_and_edges returns true, don't set it blindly for calls. PR rtl-optimization/89195 * combine.c (make_extraction): For MEMs, don't extract bytes outside of the original MEM. PR target/89186 * optabs.c (prepare_cmp_insn): Pass x and y to emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0). 2019-02-02 Jakub Jelinek PR middle-end/87887 * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen): Punt with warning on aggregate return or argument types. Ignore type/mode checking for uniform arguments. 2019-02-01 Jakub Jelinek PR tree-optimization/88107 * tree-cfg.c (find_outermost_region_in_block): Add ALL argument, instead of assertion that eh_region_outermost is non-NULL, if it is NULL, set *ALL to true and return NULL. (move_sese_region_to_fn): Adjust caller, if all is set, call duplicate_eh_regions with NULL region. 2019-01-31 Jakub Jelinek PR sanitizer/89124 * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining always_inline callees into no_sanitize_address callers. 2019-01-30 Jakub Jelinek PR c++/89105 * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn for arguments to functions that are TU-local and shouldn't be referenced by assembly. 2019-01-29 Jakub Jelinek PR c++/66676 PR ipa/89104 * omp-simd-clone.c (simd_clone_clauses_extract) : Ignore clauses with NULL OMP_CLAUSE_ALIGNED_ALIGNMENT. 2019-01-28 Jakub Jelinek PR middle-end/89002 * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ for lastprivate/linear IV, push gimplify context around gimplify_assign and, if it needed any temporaries, pop it into a gimple bind around the sequence. PR target/89073 * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx, -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document x86 ISA options. (bmi2): Add missing @opindex. * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3 options alphabetically. Add missing 3dnow, 3dnowa, adx, avx, avx2, avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd, avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi, avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase, fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig, pku, prefetchwt1, prfchw, rdpid, rdrnd, rdseed, rtm, sahf, sgx, sha, shstk, tbm, vaes, vpclmulqdq, wbnoinvd, xsave, xsavec, xsaveopt and xsaves options. 2019-01-27 Jakub Jelinek PR target/87214 * config/i386/sse.md (avx512dq_shuf_64x2_1, avx512f_shuf_64x2_1): Ensure the first constants in pairs are multiples of 2. Formatting fixes. (avx512vl_shuf_32x4_1, avx512vl_shuf_32x4_1): Ensure the first constants in each quadruple are multiples of 4. Formatting fixes. 2019-01-24 Jakub Jelinek PR tree-optimization/88964 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also punt if HONOR_SNANS (chrec). 2019-01-23 Jakub Jelinek PR tree-optimization/88964 * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use build_zero_cst instead of build_int_cst. Return false for loop invariants which honor signed zeros. 2019-01-22 Jakub Jelinek PR target/88965 * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h. (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first. PR middle-end/88968 * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with non-integral DECL_BIT_FIELD_REPRESENTATIVEs. PR target/88905 * optabs.c (add_equal_note): Add op0_mode argument, use it instead of GET_MODE (op0). (expand_binop_directly, expand_doubleword_clz, expand_doubleword_popcount, expand_ctz, expand_ffs, expand_unop_direct, maybe_emit_unop_insn): Adjust callers. PR rtl-optimization/49429 PR target/49454 PR rtl-optimization/86334 PR target/88906 * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs addressable from here... (emit_block_op_via_libcall): ... to here. 2019-01-17 Jakub Jelinek PR target/88734 * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace (("..."))) with ("..."). Use arch=armv8.2-a+sha3 instead of arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics. PR rtl-optimization/88870 * dce.c (deletable_insn_p): Never delete const/pure calls that can throw if we can't alter the cfg or delete dead exceptions. (mark_insn): Don't call find_call_stack_args for such calls. 2019-01-11 Jakub Jelinek PR bootstrap/88714 * passes.c (finish_optimization_passes): Call print_combine_total_stats inside of pass_combine_1 dump rather than pass_profile_1. 2019-01-10 Jakub Jelinek PR c/88568 * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting DECL_EXTERNAL. 2019-01-07 Jakub Jelinek PR debug/88723 * dwarf2out.c (const_ok_for_output_1): Remove redundant call to const_not_ok_for_debug_p target hook. (mem_loc_descriptor) : Only call const_ok_for_output_1 on UNSPEC and subexpressions thereof if all subexpressions of the UNSPEC are CONSTANT_P. 2019-01-05 Jakub Jelinek PR debug/88635 * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument. Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of both operands. (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the subrtxes are CONSTANT_P. 2019-02-07 Richard Biener Backport from mainline 2018-11-20 Richard Biener PR tree-optimization/88105 * tree-ssa-dom.c (pass_dominator::execute): Do not walk backedges. 2018-11-28 Richard Biener PR tree-optimization/88223 * tree-ssa-sccvn.c (vn_reference_lookup_3): When skipping over a stored-same value may-alias store make sure to consider partial overlaps which are valid when TBAA reasonings do not apply and byte-granular overlaps are possible at all. 2019-02-07 Richard Biener Backport from mainline 2018-12-11 Richard Biener PR middle-end/88448 PR middle-end/88415 * tree-complex.c (update_complex_assignment): Properly transfer or clean EH info around gimple_assign_set_rhs_with_ops. 2018-11-15 Richard Biener PR tree-optimization/88030 * tree-complex.c (need_eh_cleanup): New global. (update_complex_assignment): Mark blocks that need EH update. (expand_complex_comparison): Likewise. (tree_lower_complex): Allocate and deallocate need_eh_cleanup, perform EH cleanup and schedule CFG cleanup if that did anything. 2018-11-08 Richard Biener PR tree-optimization/87929 * tree-complex.c (expand_complex_comparison): Clean EH. 2019-02-06 Eric Botcazou * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage after restoring registers saved to allocate the frame on Windows. 2019-02-06 Richard Biener Backport from mainline 2019-01-31 Richard Biener PR tree-optimization/89135 * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks with abnormal preds. 2019-01-18 Richard Biener PR tree-optimization/88903 * tree-vect-stmts.c (vectorizable_shift): Verify we see all scalar stmts a SLP shift amount is composed of when detecting shifts by scalars. 2019-02-05 Kelvin Nilsen Backport from mainline. 2019-01-30 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin): Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT. Coerce result to type of vector element when vec_extract is implemented by direct move. 2019-02-05 Andreas Krebbel Backport from mainline 2019-02-05 Andreas Krebbel PR target/88856 * config/s390/s390.md: Remove load and test FP splitter. 2019-02-04 Bill Schmidt PR target/87064 Backport from mainline 2019-01-30 Bill Schmidt PR target/87064 * config/rs6000/vsx.md (*vsx_reduc__v4sf_scalar): Disable for little-endian. 2019-01-22 Jakub Jelinek PR target/87064 * config/rs6000/vsx.md (*vsx_reduc__v2df_scalar): Disable for little endian. 2019-02-04 Eric Botcazou * config/sparc/sparc.h: Remove superfluous blank lines. * config/sparc/sparc.c (global_offset_table_rtx): Rename into... (got_register_rtx): ...this. (sparc_got): Adjust to above renaming. (sparc_tls_got): Likewise. (sparc_output_mi_thunk): Likewise. (sparc_init_pic_reg): Likewise. (save_local_or_in_reg_p): Fix test on the GOT register. (USE_HIDDEN_LINKONCE): Move around. (get_pc_thunk_name): Likewise. (gen_load_pcrel_sym): Likewise. (load_got_register): Likewise. 2019-02-01 Bin Cheng Backport from mainline 2018-10-15 Bin Cheng PR tree-optimization/87022 * tree-loop-distribution.c (pg_add_dependence_edges): Check all bits in dist vector rather than the first one. 2019-02-01 Bin Cheng Backport from mainline 2019-02-01 Bin Cheng PR tree-optimization/88932 * tree-predcom.c (try_combine_chains): Get loop bbs in dom order. 2018-01-31 Bill Schmidt Backport from mainline 2018-01-31 Bill Schmidt PR tree-optimization/89008 * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't process anything of the form X * 0. 2019-01-31 Richard Biener Backport from mainline 2019-01-31 Richard Biener PR rtl-optimization/89115 * lra.c (lra_rtx_hash): Properly hash CONST_INT values. 2019-01-30 Richard Biener PR rtl-optimization/89115 * opts.c (default_options_optimization): Reduce PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1. Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative to the default. 2019-01-30 Kewen Lin Backport from mainline. 2019-01-17 Kewen Lin * doc/extend.texi: Add four new prototypes for vec_ld and seven new prototypes for vec_st. * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries for scalar address type variants of altivec_vec_ld/altivec_vec_st, mainly on signed/unsigned long long and double. 2019-01-29 Vineet Gupta Backport from mainline. * gcc/config.gcc: Force .init_array for ARC. 2019-01-29 Vineet Gupta Backport from mainline. * config/arc/atomic.md: Add operand to DMB instruction. 2019-01-27 Uroš Bizjak PR target/88948 * rtl.h (prepare_copy_insn): New prototype. * gcse.c (prepare_copy_insn): New function, split out from process_insert_insn. (process_insert_insn): Use prepare_copy_insn. * store-motion.c (replace_store_insn): Use prepare_copy_insn instead of gen_move_insn. 2019-01-25 Richard Biener PR tree-optimization/86865 * graphite-scop-detection.c (scop_detection::can_represent_loop): Reject non-do-while loops. 2019-01-24 Uroš Bizjak PR target/88998 * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives. Disparage MMX alternative. (sse2_cvtpd2pi): Ditto. (sse2_cvttpd2pi): Ditto. 2019-01-24 Richard Earnshaw PR target/88469 * profile-count.h (profile_count): On ARM systems using GCC 6/7/8 force the alignment of m_val. 2019-01-24 Richard Biener Backport from mainline 2019-01-23 Richard Biener PR tree-optimization/89008 * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do not leave another stray operand. 2019-01-22 Uroš Bizjak PR target/88938 * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32, case IX86_BUILTIN_BEXTRI64]: Sanitize operands. 2019-01-18 Richard Earnshaw PR target/88799 * config/arm/arm-cpus.in (mp): New feature. (sec): New feature. (fgroup ARMv7ve): Add mp and sec features. (arch armv7-a): Add options to allow mp and sec extensions. (cpu generic-armv7-a): Add options to allow mp and sec extensions. (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec extenstions to the base architecture. (cpu cortex-a8): Add sec extension to the base architecture. (cpu marvell-pj4): Add mp and sec extensions to the base architecture. * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch variants down to the base v7-a varaint. * config/arm/t-multilib (v7_a_arch_variants): New variable. * doc/invoke.texi (ARM Options): Add +mp and +sec to the list of permitted extensions for -march=armv7-a and for -mcpu=generic-armv7-a. 2019-01-17 Uroš Bizjak * config/alpha/alpha.c (alpha_gimplify_va_arg): Handle split indirect COMPLEX_TYPE arguments. 2019-01-17 Eric Botcazou * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace flag_non_call_exceptions with cfun->can_throw_non_call_exceptions. (stmt_uses_0_or_null_in_undefined_way): Likewise. * tree-ssa-alias.c (same_addr_size_stores_p): Likewise. 2019-01-16 Aaron Sawdey Backported from mainline 2019-01-03 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_move): Don't use unaligned vsx and avoid lxvd2x/stxvd2x. (gen_lvx_v4si_move): New function. 2019-01-16 Martin Jambor Backported from mainline 2018-12-10 Martin Jambor PR ipa/88214 * ipa-prop.c (determine_locally_known_aggregate_parts): Make sure we check pointers against pointers. 2019-01-10 Jan Hubicka Backported from mainline 2018-12-27 Jan Hubicka * ipa-devirt.c (polymorphic_call_target_d): Add n_odr_types. (polymorphic_call_target_hasher::hash): Hash it. (polymorphic_call_target_hasher::equal): Compare it. (possible_polymorphic_call_targets): Set it. * tree.c (free_lang_data): Rebuild type inheritance graph even on non-LTO path. 2019-01-03 Jan Hubicka Backported from mainline 2019-01-02 Richard Biener PR ipa/85574 * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare. * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New function. (sem_item_optimizer::do_congruence_step_f): Sort the congruence set after UIDs before splitting them. 2019-01-03 Jan Hubicka Backported from mainline 2019-01-03 Jan Hubicka PR tree-optimization/85574 * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused structure. (struct ssa_equip_hash_traits): Declare. (val_ssa_equiv): Use custom hash traits using operand_equal_p. 2019-01-09 Eric Botcazou * config/sparc/sparc.md (*tablejump_sp32): Merge into... (*tablejump_sp64): Likewise. (*tablejump): ...this. (*call_address_sp32): Merge into... (*call_address_sp64): Likewise. (*call_address): ...this. (*call_symbolic_sp32): Merge into... (*call_symbolic_sp64): Likewise. (*call_symbolic): ...this. (call_value): Remove constraint and add predicate. (*call_value_address_sp32): Merge into... (*call_value_address_sp64): Likewise. (*call_value_address): ...this. (*call_value_symbolic_sp32): Merge into... (*call_value_symbolic_sp64): Likewise. (*call_value_symbolic): ...this. (*sibcall_symbolic_sp32): Merge into... (*sibcall_symbolic_sp64): Likewise. (*sibcall_symbolic): ...this. (sibcall_value): Remove constraint and add predicate. (*sibcall_value_symbolic_sp32): Merge into... (*sibcall_value_symbolic_sp64): Likewise. (*sibcall_value_symbolic): ...this. (window_save): Minor tweak. (*branch_sp32): Merge into... (*branch_sp64): Likewise. (*branch): ...this. 2019-01-09 Eric Botcazou James Clarke PR target/84010 * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode consistently in TLS address generation and adjust code to the renaming of patterns. Mark calls to __tls_get_addr as const. * config/sparc/sparc.md (tgd_hi22): Turn into... (tgd_hi22): ...this and use Pmode throughout. (tgd_lo10): Turn into... (tgd_lo10): ...this and use Pmode throughout. (tgd_add32): Merge into... (tgd_add64): Likewise. (tgd_add): ...this and use Pmode throughout. (tldm_hi22): Turn into... (tldm_hi22): ...this and use Pmode throughout. (tldm_lo10): Turn into... (tldm_lo10): ...this and use Pmode throughout. (tldm_add32): Merge into... (tldm_add64): Likewise. (tldm_add): ...this and use Pmode throughout. (tldm_call32): Merge into... (tldm_call64): Likewise. (tldm_call): ...this and use Pmode throughout. (tldo_hix22): Turn into... (tldo_hix22): ...this and use Pmode throughout. (tldo_lox10): Turn into... (tldo_lox10): ...this and use Pmode throughout. (tldo_add32): Merge into... (tldo_add64): Likewise. (tldo_add): ...this and use Pmode throughout. (tie_hi22): Turn into... (tie_hi22): ...this and use Pmode throughout. (tie_lo10): Turn into... (tie_lo10): ...this and use Pmode throughout. (tie_ld64): Use DImode throughout. (tie_add32): Merge into... (tie_add64): Likewise. (tie_add): ...this and use Pmode throughout. (tle_hix22_sp32): Merge into... (tle_hix22_sp64): Likewise. (tle_hix22): ...this and use Pmode throughout. (tle_lox22_sp32): Merge into... (tle_lox22_sp64): Likewise. (tle_lox22): ...this and use Pmode throughout. (*tldo_ldub_sp32): Merge into... (*tldo_ldub_sp64): Likewise. (*tldo_ldub): ...this and use Pmode throughout. (*tldo_ldub1_sp32): Merge into... (*tldo_ldub1_sp64): Likewise. (*tldo_ldub1): ...this and use Pmode throughout. (*tldo_ldub2_sp32): Merge into... (*tldo_ldub2_sp64): Likewise. (*tldo_ldub2): ...this and use Pmode throughout. (*tldo_ldsb1_sp32): Merge into... (*tldo_ldsb1_sp64): Likewise. (*tldo_ldsb1): ...this and use Pmode throughout. (*tldo_ldsb2_sp32): Merge into... (*tldo_ldsb2_sp64): Likewise. (*tldo_ldsb2): ...this and use Pmode throughout. (*tldo_ldub3_sp64): Use DImode throughout. (*tldo_ldsb3_sp64): Likewise. (*tldo_lduh_sp32): Merge into... (*tldo_lduh_sp64): Likewise. (*tldo_lduh): ...this and use Pmode throughout. (*tldo_lduh1_sp32): Merge into... (*tldo_lduh1_sp64): Likewise. (*tldo_lduh1): ...this and use Pmode throughout. (*tldo_ldsh1_sp32): Merge into... (*tldo_ldsh1_sp64): Likewise. (*tldo_ldsh1): ...this and use Pmode throughout. (*tldo_lduh2_sp64): Use DImode throughout. (*tldo_ldsh2_sp64): Likewise. (*tldo_lduw_sp32): Merge into... (*tldo_lduw_sp64): Likewise. (*tldo_lduw): ...this and use Pmode throughout. (*tldo_lduw1_sp64): Use DImode throughout. (*tldo_ldsw1_sp64): Likewise. (*tldo_ldx_sp64): Likewise. (*tldo_stb_sp32): Merge into... (*tldo_stb_sp64): Likewise. (*tldo_stb): ...this and use Pmode throughout. (*tldo_sth_sp32): Merge into... (*tldo_sth_sp64): Likewise. (*tldo_sth): ...this and use Pmode throughout. (*tldo_stw_sp32): Merge into... (*tldo_stw_sp64): Likewise. (*tldo_stw): ...this and use Pmode throughout. (*tldo_stx_sp64): Use DImode throughout. 2019-01-09 Eric Botcazou * doc/invoke.texi (-Os): Add reference to -finline-functions. (-finline-functions): Remove reference to -O2, add references to -fprofile-use and -fauto-profile. 2019-01-08 Jakub Jelinek Backported from mainline 2019-01-05 Jakub Jelinek PR middle-end/82564 PR target/88620 * expr.c (expand_assignment): For calls returning VLA structures if to_rtx is not a MEM, force it into a stack temporary. 2019-01-04 Jakub Jelinek PR target/88594 * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead of GET_MODE (opN) as modes of the libcall arguments. 2019-01-03 Jakub Jelinek PR debug/88644 * dwarf2out.c (modified_type_die): If type is equal to sizetype, change it to qualified_type. 2018-12-21 Jakub Jelinek PR middle-end/85594 PR middle-end/88553 * omp-expand.c (extract_omp_for_update_vars): Regimplify the condition if needed. (expand_omp_for_generic): Don't clobber t temporary for ordered loops. PR target/88522 * config/i386/sse.md (*avx512pf_gatherpfsf_mask, *avx512pf_gatherpfdf_mask, *avx512pf_scatterpfsf_mask, *avx512pf_scatterpfdf_mask): Use %X5 instead of %5 for -masm=intel. (gatherq_mode): Remove mode iterator. (*avx512f_gathersi, *avx512f_gathersi_2): Use X instead of . (*avx512f_gatherdi): Use X instead of . (*avx512f_gatherdi_2, *avx512f_scattersi, *avx512f_scatterdi): Use %X5 for -masm=intel. PR rtl-optimization/88563 * expr.c (expand_expr_real_2) : Swap innermode and mode arguments to convert_modes. Likewise swap mode and word_mode arguments. Handle both arguments with VOIDmode before convert_modes of one of them. Formatting fixes. 2018-12-19 Jakub Jelinek PR target/88541 * config/i386/vpclmulqdqintrin.h (_mm256_clmulepi64_epi128): Enable for -mavx -mvpclmulqdq rather than just for -mavx512vl -mvpclmulqdq. 2018-12-14 Jakub Jelinek PR c++/82294 PR c++/87436 * expr.h (categorize_ctor_elements): Add p_unique_nz_elts argument. * expr.c (categorize_ctor_elements_1): Likewise. Compute it like p_nz_elts, except don't multiply it by mult. Adjust recursive call. Fix up COMPLEX_CST handling. (categorize_ctor_elements): Add p_unique_nz_elts argument, initialize it and pass it through to categorize_ctor_elements_1. (mostly_zeros_p, all_zeros_p): Adjust categorize_ctor_elements callers. * gimplify.c (gimplify_init_constructor): Likewise. Don't force ctor into readonly data section if num_unique_nonzero_elements is smaller or equal to 1/8 of num_nonzero_elements and size is >= 64 bytes. 2018-12-13 Jakub Jelinek PR rtl-optimization/88470 * cfgcleanup.c (outgoing_edges_match): If the function is shrink-wrapped and bb1 ends with a JUMP_INSN with a single fake edge to EXIT, return false. PR rtl-optimization/88416 * valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify even if !AUTO_INC_DEC. 2018-12-07 Jakub Jelinek PR target/85593 * final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage for functions with naked attribute. 2018-12-06 Jakub Jelinek PR target/87598 * config/aarch64/aarch64.c (aarch64_print_address_internal): Don't call output_operand_lossage on VOIDmode CONST_INTs. After output_operand_lossage do return false. 2018-12-05 Jakub Jelinek PR tree-optimization/87360 * gimple-loop-jam.c (tree_loop_unroll_and_jam): On failure to analyze data dependencies, don't return false, just continue. 2018-11-29 Jakub Jelinek PR target/88234 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): For vec_add and vec_sub builtins, perform PLUS_EXPR or MINUS_EXPR in unsigned_type_for instead of vector integral type where overflow doesn't wrap. 2018-11-26 Jakub Jelinek PR c++/86900 * dwarf2out.c (secname_for_decl): For functions with DECL_SECTION_NAME if in_cold_section_p, try to return current_function_section's name if it is a named section. 2018-11-22 Jakub Jelinek PR target/85644 PR target/86832 * config/i386/i386.c (ix86_option_override_internal): Default ix86_stack_protector_guard to SSP_TLS only if TARGET_THREAD_SSP_OFFSET is defined. * config/i386/i386.md (stack_protect_set, stack_protect_set_, stack_protect_test, stack_protect_test_): Use empty condition instead of TARGET_SSP_TLS_GUARD. 2018-11-20 Jakub Jelinek PR tree-optimization/87895 * omp-simd-clone.c (ipa_simd_modify_function_body): When removing or replacing GIMPLE_RETURN, set EDGE_FALLTHRU on the edge to EXIT. (simd_clone_adjust): Don't set EDGE_FALLTHRU here. In a loop that redirects edges to EXIT to edges to incr_bb, iterate while EXIT has any preds and always use EDGE_PRED (, 0). 2018-11-19 Jakub Jelinek PR tree-optimization/88071 * tree-vect-loop.c (vectorize_fold_left_reduction): Pass true instead of false as last argument to gsi_remove. * tree-vect-stmts.c (vect_finish_replace_stmt): Pass true instead of false as last argument to gsi_replace. PR debug/87039 * omp-expand.c: Don't include debug.h. (adjust_context_and_scope): Add REGION argument. Find DECL_CONTEXT from innermost outer parallel, task, or target that has a child_fn set, or, if there is no such outer region, use current_function_decl. Do the DECL_CONTEXT adjustment regardless of whether a suitable BLOCK is found or not. (expand_parallel_call): Don't call adjust_context_and_scope here. (grid_expand_target_grid_body): Revert 2017-01-25 changes. (expand_omp_taskreg, expand_omp_target): Likewise. Call adjust_context_and_scope. * dwarf2out.c (dwarf2out_early_global_decl): For decl_function_context recurse instead of calling dwarf2out_decl. 2018-11-16 Jakub Jelinek PR rtl-optimization/87475 * cfgrtl.c (patch_jump_insn): Allow redirection failure for CROSSING_JUMP_P insns. (cfg_layout_redirect_edge_and_branch): Don't ICE if ret is NULL. 2018-11-15 Jakub Jelinek PR rtl-optimization/88018 * cfgrtl.c (fixup_abnormal_edges): Guard moving insns to fallthru edge on the presence of fallthru edge, rather than if it is a USE or not. 2018-11-13 Jakub Jelinek PR tree-optimization/87898 * omp-simd-clone.c (ipa_simd_modify_function_body): Remove debug stmts where the first argument was changed into a non-decl. 2019-01-03 Jan Hubicka Backport from mainline 2019-01-02 Jan Hubicka PR lto/88130 * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return false at WPA time when body was removed. 2019-01-03 Jan Hubicka Backport from mainline 2018-08-29 Jan Hubicka PR lto/86517 PR lto/88185 * lto-opts.c (lto_write_options): Always stream PIC/PIE mode. * lto-wrapper.c (merge_and_complain): Fix merging of PIC/PIE. 2019-01-04 Aaron Sawdey Backport from mainline 2018-11-28 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_clear): Change how we determine if unaligned vsx is ok. 2019-01-03 Jan Hubicka Backport from mainline 2019-01-03 Jan Hubicka * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ... (ipa_merge_profiles): ... here; do not ICE on thunks and aliases. 2019-01-03 Martin Liska Backport from mainline 2019-01-01 Jan Hubicka * coverage.c (get_coverage_counts): Use current_function_decl. * profile.c (read_thunk_profile): New function. (branch_prob): Add THUNK parameter. * tree-profile.c (tree_profiling): Handle thunks. * value-prof.c (init_node_map): Handle thunks. * value-prof.h (branch_prob): Upate prototype. (read_thunk_profile): Declare. 2019-01-03 Iain Sandoe revert: 2018-12-23 Iain Sandoe backport from mainline. 2018-12-12 Segher Boessenkool Iain Sandoe PR target/88343 * config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg unless it has been used. (first_reg_to_save): Remove dead code. 2019-01-02 Segher Boessenkool Backport from trunk 2018-12-06 Segher Boessenkool PR inline-asm/55681 * doc/extend.texi (Basic Asm): Update grammar. (Extended Asm): Update grammar. Backport from trunk 2018-12-06 Segher Boessenkool * doc/extend.texi (Using Assembly Language with C): Document asm inline. (Size of an asm): Fix typo. Document asm inline. * gimple-pretty-print.c (dump_gimple_asm): Handle asm inline. * gimple.h (enum gf_mask): Add GF_ASM_INLINE. (gimple_asm_set_volatile): Fix typo. (gimple_asm_inline_p): New. (gimple_asm_set_inline): New. * gimplify.c (gimplify_asm_expr): Propagate the asm inline flag from tree to gimple. * ipa-icf-gimple.c (func_checker::compare_gimple_asm): Compare the gimple_asm_inline_p flag, too. * tree-core.h (tree_base): Document that protected_flag is ASM_INLINE_P in an ASM_EXPR. * tree-inline.c (estimate_num_insns): If gimple_asm_inline_p return a minimum size for an asm. * tree.h (ASM_INLINE_P): New. 2018-12-28 Thomas Schwinge Julian Brown * gimplify.c (gimplify_scan_omp_clauses): Fix known_eq typo/bug. 2018-12-27 Martin Liska Backport from mainline 2018-12-15 Jan Hubicka PR ipa/88561 * ipa-polymorphic-call.c (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Handle arguments of thunks correctly. (ipa_polymorphic_call_context::get_dynamic_context): Be ready for NULL instance pinter. * lto-cgraph.c (lto_output_node): Always stream thunk info. 2018-12-23 Iain Sandoe backport from mainline. 2018-12-12 Segher Boessenkool Iain Sandoe PR target/88343 * config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg unless it has been used. (first_reg_to_save): Remove dead code. 2018-12-23 Iain Sandoe Backport from mainline 2018-12-06 Iain Sandoe PR c++/87380 * config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC) Remove, use the default. * config/rs6000/darwin7.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New. 2018-12-23 Iain Sandoe Backport from mainline 2018-12-06 Iain Sandoe PR target/78444 * config/i386/darwin.h (STACK_BOUNDARY): Remove macro. * config/i386/i386.c (ix86_compute_frame_layout): Ensure at least 128b stack alignment in non-leaf functions. 2018-12-21 Uros Bizjak Backport from mainline 2018-12-10 Uros Bizjak PR target/88418 * config/i386/i386.c (ix86_expand_sse_cmp): For vector modes, check operand 1 with vector_operand predicate. (ix86_expand_sse_movcc): For vector modes, check op_true with vector_operand, not nonimmediate_operand. 2018-12-19 Bill Schmidt Backport from mainline 2018-12-18 Bill Schmidt * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions): Describe when a typedef name can be used as the type specifier for a vector type, and when it cannot. 2018-12-19 Segher Boessenkool Backport from trunk 2018-12-19 Segher Boessenkool PR target/88213 * config/rs6000/vsx.md (*vsx_extract___load): Require TARGET_POWERPC64. 2018-12-17 Senthil Kumar Selvaraj Backport from trunk 2018-12-17 Senthil Kumar Selvaraj PR rtl-optimization/88253 * combine.c (combine_simplify_rtx): Test for side-effects before substituting by zero. 2018-12-15 Segher Boessenkool Backport from trunk 2018-12-14 Segher Boessenkool PR rtl-optimization/88001 * function.c (match_asm_constraints_1): Don't invalidly share RTL. 2018-12-15 Jan Hubicka * ipa.c (cgraph_build_static_cdtor_1): Add OPTIMIZATION and TARGET parameters. (cgraph_build_static_cdtor): Update. (build_cdtor): Use OPTIMIZATION and TARGET of the first real cdtor callsed. 2018-12-15 Jan Hubicka Backport from mainline 2018-11-02 Richard Biener * dwarf2out.c (build_abbrev_table): Guard lookup_external_ref call with is_type_die. 2018-12-14 Kyrylo Tkachov Backport from mainline 2018-12-13 Kyrylo Tkachov * doc/invoke.texi (-msve-vector-bits): Clarify -msve-vector-bits=128 behavior. 2018-12-14 Andre Vieira Backport from mainline PR target/88224 * config/arm/arm-cpus.in (armv7-r): Add FP16conv configurations. (cortex-r7, cortex-r8): Update fpu and add new configuration. * doc/invoke.texi (armv7-r): Add two new vfp options. (nofp.dp): Add cortex-r7 and cortex-r8 to the list of targets that support this option. 2018-12-13 H.J. Lu Backport from mainline 2018-11-05 Xuepeng Guo PR target/87853 * config/i386/emmintrin.h (__v16qs): New to cope with option -funsigned-char. (_mm_cmpeq_epi8): Replace __v16qi with __v16qs. (_mm_cmplt_epi8): Likewise. (_mm_cmpgt_epi8): Likewise. 2018-12-13 Andreas Krebbel Backport from mainline 2018-12-13 Andreas Krebbel * config/s390/s390-builtins.def (s390_vec_double_s64): Map to s390_vec_double_s64 instead of s390_vcdgb. (s390_vec_double_u64): Map to s390_vec_double_u64 instead of s390_vcdlgb. 2018-12-13 Andreas Krebbel Backport from mainline 2018-12-13 Andreas Krebbel * config/s390/vx-builtins.md ("vec_ctd_s64", "vec_ctd_u64") ("vec_ctsl", "vec_ctul"): Replace 0 with VEC_NOINEXACT. ("vec_double_s64", "vec_double_u64"): Replace 4 with VEC_INEXACT. 2018-12-13 Eric Botcazou Backport from mainline 2018-12-11 Eric Botcazou * config/rs6000/vxworks.h (RS6000_STARTING_FRAME_OFFSET): Define, accounting for STACK_BOUNDARY 128. (STACK_DYNAMIC_OFFSET): Likewise. 2018-12-12 Peter Bergner Backport from mainline 2018-12-07 Peter Bergner PR target/87496 * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow -mabi=ieeelongdouble and -mabi=ibmlongdouble without -mlong-double-128. Do not error for -mabi=ibmlongdouble and no ISA 2.06 support. * doc/invoke.texi: Document -mabi=ibmlongdouble and -mabi=ieeelongdouble require -mlong-double-128. 2018-12-05 Richard Biener Backport from mainline 2018-09-20 Richard Sandiford PR tree-optimization/87288 * tree-vect-loop.c (vect_analyze_loop_2): Take PEELING_FOR_GAPS into account when determining PEELING_FOR_NITERS. 2018-12-05 Iain Sandoe Backport from mainline 2018-08-18 Iain Sandoe * config/darwin.c (darwin_override_options): If -gsplit-dwarf is set, emit a diagnostic that it is not supported and reset the option. * config/darwin.h (DRIVER_SELF_SPECS): Note that gsplit-dwarf is not supported and consume the option. (ASM_FINAL_SPEC): New. 2018-12-04 Iain Sandoe Backport from mainline 2018-08-15 Iain Sandoe PR target/81685 * config/darwin.h: (DEBUG_STR_OFFSETS_SECTION, DEBUG_LOCLISTS_SECTION, DEBUG_RNGLISTS_SECTION) new macros. (DEBUG_PUBNAMES_SECTION, DEBUG_PUBTYPES_SECTION) update to include GNU variant. 2018-11-29 Peter Bergner Backport from mainline 2018-11-29 Peter Bergner PR target/87496 * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow -mabi=ieeelongdouble without both -mpopcntd and -mvsx. 2018-11-28 Aaron Sawdey Backport from mainline 2018-10-25 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_strncmp_gpr_sequence): Change to a shorter sequence with fewer branches. (emit_final_str_compare_gpr): Ditto. Backport from mainline to allow the above code to go in: 2018-06-14 Aaron Sawdey * config/rs6000/rs6000-string.c (do_and3, do_and3_mask, do_cmpb3, do_rotl3): New functions. 2018-11-28 Richard Biener PR tree-optimization/79351 * tree-ssa-sccvn.c (vn_reference_lookup_3): For assignments from empty CONSTRUCTORs ensure the store is at a constant position. 2018-11-28 Richard Biener PR tree-optimization/88229 * tree-ssa.c (non_rewritable_mem_ref_base): Check DECL_SIZE_UNIT is an INTEGER_CST before accessing it so. 2018-11-26 Andreas Krebbel Backport from mainline 2018-11-20 Andreas Krebbel * config/s390/s390.md ("clztidi2"): Swap the RTX's written to the DImode parts of the target operand. 2018-11-26 Andreas Krebbel Backport from mainline 2018-11-26 Andreas Krebbel * doc/invoke.texi: Document z14/arch12 -march option. 2018-11-23 Tamar Christina Backported from mainline. 2018-08-16 Tamar Christina PR target/84711 * config/arm/neon.md (movv4hf, movv8hf): Refactored to.. (mov): ..this and enable unconditionally. 2018-11-22 Uros Bizjak Backport from mainline 2018-11-16 Uros Bizjak PR target/88051 * config/i386/sse.md (UNSPEC_MOVDI_TO_SSE): New UNSPEC. (movdi_to_sse): Rewrite using UNSPEC_MOVDI_TO_SSE unspec. 2018-11-20 Eric Botcazou PR rtl-optimization/85925 * rtl.h (word_register_operation_p): New predicate. * combine.c (record_dead_and_set_regs_1): Only apply specific handling for WORD_REGISTER_OPERATIONS targets to word_register_operation_p RTX. * rtlanal.c (nonzero_bits1): Likewise. Adjust couple of comments. (num_sign_bit_copies1): Likewise. 2018-11-19 Martin Liska PR gcov-profile/88045 * coverage.c (coverage_begin_function): One can't relly on the fact that function ends on the same line it starts or later. 2018-11-18 Uros Bizjak Backport from mainline 2018-11-11 Uros Bizjak PR target/87928 * config/i386/i386.h (STACK_BOUNDARY): Use TARGET_64BIT_MS_ABI instead of (TARGET_64BIT && ix86_abi == MS_ABI). * config/i386/darwin.h (STACK_BOUNDARY): Ditto. * config/i386/cygming.h (STACK_BOUNDARY): Remove. 2018-11-16 Eric Botcazou * tree-switch-conversion.c (emit_case_decision_tree): Pass location of switch statement to emit_case_nodes. (do_jump_if_equal): Add LOC parameter and set it on the newly built GIMPLE comparison statement. (emit_cmp_and_jump_insns): Likewise. (emit_case_nodes): Add LOC parameter and pass it to do_jump_if_equal as well as recursive calls. 2018-11-15 Nathan Sidwell PR debug/88006 PR debug/87462 * dwarf2out.c (dwarf2out_finish): Apply resolve_addr to comdat type list. 2018-11-14 Paul A. Clarke Backport from mainline * config/rs6000/xmmintrin.h (_mm_extract_pi16): Fix for big-endian. 2018-11-14 Claudiu Zissulescu Backport from mainline PR target/85968 * config/arc/arc.c (arc_return_address_register): Fix if-condition. 2018-11-14 Claudiu Zissulescu Backport from mainline * config/arc/arc.h (FUNCTION_PROFILER): Redefine to empty. * config/arc/elf.h (PROFILE_HOOK): Define. * config/arc/linux.h (PROFILE_HOOK): Likewise. 2018-11-14 Claudiu Zissulescu Backport from mainline * config/arc/arc.c (hwloop_optimize): Bailout when detecting a jump table data in the text section. 2018-11-14 Claudiu Zissulescu Backport from mainline * config/arc/arc.c (arc_eh_return_address_location): Repurpose it to fit the eh_return pattern. * config/arc/arc.md (eh_return): Define. (VUNSPEC_ARC_EH_RETURN): Likewise. * config/arc/arc-protos.h (arc_eh_return_address_location): Match new implementation. * config/arc/arc.h (EH_RETURN_HANDLER_RTX): Remove it. 2018-11-14 Claudiu Zissulescu Backport from mainline 2018-09-17 Alexey Brodkin * config/arc/linux.h (LINK_EH_SPEC): Add missing space. 2018-11-14 Claudiu Zissulescu Backport from mainline * config/arc/linux.h (CLEAR_INSN_CACHE): Define. 2018-11-11 Uros Bizjak Backport from mainline 2018-11-04 Uros Bizjak PR middle-end/58372 * cfgexpand.c (pass_expand::execute): Move the call to finish_eh_generation in front of the call to expand_stack_alignment. 2018-11-07 Max Filippov Backport from mainline 2018-11-05 Max Filippov * config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0. 2018-11-05 Jakub Jelinek PR tree-optimization/87859 * gimple-ssa-store-merging.c (struct merged_store_group): Add first_nonmergeable_order member. (merged_store_group::merged_store_group): Initialize them. (imm_store_chain_info::coalesce_immediate_stores): Don't merge stores with order >= first_nonmergeable_order. Set merged_store->first_nonmergeable_order if we've skipped any stores. Attempt to merge overlapping INTEGER_CST stores that we would otherwise skip. PR sanitizer/87837 * match.pd (X + Y < X): Don't optimize if TYPE_OVERFLOW_SANITIZED. Backported from mainline 2018-10-20 Jakub Jelinek PR middle-end/87647 * varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR. 2018-10-19 Jakub Jelinek PR middle-end/85488 PR middle-end/87649 * omp-low.c (check_omp_nesting_restrictions): Diagnose ordered without depend closely nested inside of loop with ordered clause with a parameter. 2018-10-29 Richard Biener Backport from mainline 2018-09-26 Richard Biener PR debug/87428 PR debug/87362 * tree-inline.c (expand_call_inline): When the location of the call is UNKNOWN_LOCATION use DECL_SOURCE_LOCATION or BUILTINS_LOCATION for the BLOCK_SOURCE_LOCATION of the inserted BLOCK to make inlined_function_outer_scope_p recognize it. * dwarf2out.c (add_call_src_coords_attributes): Do not add coords for reserved locations. 2018-10-28 Iain Sandoe Backport from mainline 2018-08-22 Iain Sandoe PR bootstrap/81033 PR target/81733 PR target/52795 * gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New. (dwarf2out_switch_text_section): Generate a local label for the second function sub-section and apply it as the second FDE start label. * gcc/final.c (final_scan_insn_1): Emit second FDE label after the second sub-section start. 2018-10-28 Iain Sandoe Backport from mainline 2018-08-15 Iain Sandoe * config/darwin.c (darwin_function_switched_text_sections): Delete. * gcc/config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): Likewise. 2018-10-28 Iain Sandoe backport from mainline. 2018-10-28 Iain Sandoe PR target/85669 * config/rs6000/darwin.h (STACK_BOUNDARY): New. (RS6000_STARTING_FRAME_OFFSET): Adjust to preserve 16byte alignment. (STACK_DYNAMIC_OFFSET): Likewise. 2018-10-26 Bill Schmidt Backport from mainline 2018-10-19 Bill Schmidt PR tree-optimization/87473 * gimple-ssa-strength-reduction.c (record_phi_increments_1): For phi arguments identical to the base expression of the phi candidate, record a phi-adjust increment of zero minus the index expression of the hidden basis. (phi_incr_cost_1): For phi arguments identical to the base expression of the phi candidate, the difference to compare against the increment is zero minus the index expression of the hidden basis, and there is no potential savings from replacing the (phi) statement. (ncd_with_phi): For phi arguments identical to the base expression of the phi candidate, the difference to compare against the increment is zero minus the index expression of the hidden basis. (all_phi_incrs_profitable_1): For phi arguments identical to the base expression of the phi candidate, the increment to be checked for profitability is zero minus the index expression of the hidden basis. 2018-10-25 Richard Biener PR tree-optimization/87665 PR tree-optimization/87745 * tree-vectorizer.h (get_earlier_stmt): Remove. (get_later_stmt): Pick up UID from the original non-pattern stmt. 2018-10-24 Richard Biener PR tree-optimization/87665 * tree-vect-data-refs.c (vect_preserves_scalar_order_p): Adjust to reflect reality. 2018-10-23 Richard Biener PR tree-optimization/87700 * tree-ssa-copy.c (set_copy_of_val): Fix change detection logic. 2018-10-19 Richard Biener PR middle-end/87645 Backport from mainline 2018-07-12 Richard Biener * tree-ssa-sccvn.c (mprts_hook_cnt): Remove. (vn_lookup_simplify_result): Remove recursion limit applied here. (vn_nary_build_or_lookup_1): Adjust. (try_to_simplify): Likewise. * gimple-match-head.c (gimple_resimplify1): Instead apply one here. (gimple_resimplify2): Likewise. (gimple_resimplify3): Likewise. (gimple_resimplify4): Likewise. 2018-10-19 Andreas Krebbel Backport from mainline 2018-10-15 Andreas Krebbel * config/s390/s390.c (s390_expand_vec_init): Force vector element into reg if it isn't a general operand. 2018-10-18 Richard Biener PR middle-end/87087 Revert 2018-02-07 Richard Biener PR tree-optimization/84204 * tree-chrec.c (chrec_fold_plus_1): Remove size limiting in this place. 2018-10-17 Eric Botcazou PR middle-end/87623 * fold-const.c (fold_truth_andor_1): If the right side is not constant, bail out if both sides do not have the same storage order. 2018-10-17 Richard Biener Backport from mainline 2018-10-08 Richard Sandiford PR middle-end/63155 * gimple-ssa-backprop.c (backprop::intersect_uses): Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT. 2018-10-16 Richard Biener Backport from mainline 2018-10-08 Richard Biener PR tree-optimization/63155 * tree-ssa-propagate.c (add_ssa_edge): Do cheap check first. (ssa_propagation_engine::ssa_propagate): Remove redundant bitmap bit clearing. 2018-10-05 Richard Biener PR tree-optimization/63155 * tree-ssa-ccp.c (ccp_propagate::visit_phi): Avoid excess vertical space in dumpfiles. * tree-ssa-propagate.h (ssa_propagation_engine::process_ssa_edge_worklist): Remove. * tree-ssa-propagate.c (cfg_blocks_back): New global. (ssa_edge_worklist_back): Likewise. (curr_order): Likewise. (cfg_blocks_get): Remove abstraction. (cfg_blocks_add): Likewise. (cfg_blocks_empty_p): Likewise. (add_ssa_edge): Add to current or next worklist based on RPO index. (add_control_edge): Likewise. (ssa_propagation_engine::process_ssa_edge_worklist): Fold into ... (ssa_propagation_engine::ssa_propagate): ... here. Unify iteration from CFG and SSA edge worklist so we process everything in RPO order, prioritizing forward progress over iteration. (ssa_prop_init): Allocate new worklists, do not dump immediate uses. (ssa_prop_fini): Free new worklists. 2018-09-24 Richard Biener PR tree-optimization/63155 * tree-ssa-propagate.c (add_ssa_edge): Avoid adding PHIs to the worklist when the edge of the respective argument isn't executable. 2018-10-16 Wilco Dijkstra Backported from mainline PR target/87511 * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p): Use HOST_WIDE_INT_1U for shift. 2018-10-16 Richard Biener Backport from mainline 2018-09-18 Richard Biener PR middle-end/63155 * tree-ssa-coalesce.c (tree_int_map_hasher): Remove. (compute_samebase_partition_bases): Likewise. (coalesce_ssa_name): Always use compute_optimized_partition_bases. (gimple_can_coalesce_p): Simplify. 2018-10-16 Richard Biener Backport from mainline 2018-10-15 Richard Biener PR middle-end/87610 * tree-ssa-structalias.c (struct vls_data): Add escaped_p member. (visit_loadstore): When a used restrict tag escaped verify that the points-to solution of "other" pointers do not include escaped. (compute_dependence_clique): If a used restrict tag escaped communicated that down to visit_loadstore. 2018-10-01 Richard Biener PR tree-optimization/87465 * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix typo causing branch miscounts. 2018-10-11 Jakub Jelinek Backported from mainline 2018-10-10 Jakub Jelinek PR target/87550 * config/i386/i386-builtin.def (IX86_BUILTIN_RDPMC): Move from args set to special_args set. 2018-09-26 Jakub Jelinek PR target/87414 * config/i386/i386.c: Include debug.h and dwarf2out.h. (output_indirect_thunk): Emit DW_CFA_def_cfa_offset after the call. 2018-09-12 Jakub Jelinek Andreas Krebbel PR tree-optimization/86844 * gimple-ssa-store-merging.c (imm_store_chain_info::coalesce_immediate): For overlapping stores, if there are any overlapping stores in between them, make sure they are also coalesced or we give up completely. 2018-10-09 Will Schmidt Backport from trunk. 2018-09-06 Will Schmidt PR target/86731 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Update logic around folding of vec_sl to handle out of range shift values. 2018-10-09 H.J. Lu Backport from mainline 2018-09-29 H.J. Lu PR target/87370 * config/i386/i386.c (construct_container): Use TImode for BLKmode values in 2 integer registers. 2018-10-08 H.J. Lu Backport from mainline 2018-10-08 H.J. Lu PR target/87517 * config/i386/avx512fintrin.h (_mm512_mask_fmaddsub_round_pd): Defined with __builtin_ia32_vfmaddsubpd512_mask. 2018-10-05 H.J. Lu Backport from mainline 2018-10-05 H.J. Lu PR target/87522 * config/i386/gnu-user.h (ASM_SPEC): Don't pass -msse2avx to assembler for -mavx. * config/i386/gnu-user64.h (ASM_SPEC): Likewise. 2018-10-03 Uros Bizjak Backport from mainline 2018-09-28 Uros Bizjak * config/i386/i386.h (SSE_REGNO): Fix check for FIRST_REX_SSE_REG. (GET_SSE_REGNO): Rename from SSE_REGNO. Update all uses for rename. 2018-10-03 Jonathan Wakely PR other/87353 * doc/invoke.texi (Link Options): Fix formatting and grammar. 2018-10-03 Martin Liska Backport from mainline 2018-10-03 Martin Liska PR gcov-profile/86109 * coverage.c (coverage_begin_function): Do not mark lambdas as artificial. * tree-core.h (struct GTY): Remove tm_clone_flag and introduce new lambda_function. * tree.h (DECL_LAMBDA_FUNCTION): New macro. 2018-10-02 H.J. Lu Backport from mainline 2018-09-24 H.J. Lu PR target/82699 * config/i386/i386.c (rest_of_insert_endbranch): Set endbr_queued_at_entrance to true and don't insert ENDBR if x86_function_profiler will be called. (x86_function_profiler): Insert ENDBR if endbr_queued_at_entrance is true. * config/i386/i386.h (machine_function): Add endbr_queued_at_entrance. 2018-10-01 Kyrylo Tkachov Backport from mainline 2018-06-29 Kyrylo Tkachov * config/arm/arm.c (output_move_double): Don't allow STRD instructions if starting source register is not even. 2018-09-29 Jakub Jelinek PR target/87467 * config/i386/avx512fintrin.h (_mm512_abs_pd, _mm512_mask_abs_pd): Use __m512d type for __A argument rather than __m512. 2018-09-27 Michael Meissner Backport from mainline 2018-08-20 Michael Meissner PR target/87033 * config/rs6000/rs6000.md (extendsi2): Change constraints from 'Y' to 'YZ' to enable the LWAX instruction to be generated for indexed loads. 2018-09-25 Martin Liska Backport from mainline 2018-09-24 Martin Liska PR sanitizer/85774 * asan.c: Make asan_handled_variables extern. * asan.h: Likewise. * cfgexpand.c (expand_stack_vars): Make sure a representative is unpoison if another variable in the partition is handled by use-after-scope sanitization. 2018-09-24 Andrew Pinski * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Don't access prev before checking it for NULLness in the AARCH64_FUSE_CMP_BRANCH case. 2018-09-21 Eric Botcazou * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Return false if the call takes a static chain. 2018-09-19 John David Anglin * config/pa/pa.md (atomic_storeqi): Restore deleted expander. (atomic_storehi): Likewise. (atomic_storesi): Likewise. (atomic_loaddi): Restore compare and swap exchange loop code. 2018-09-18 Segher Boessenkool Backport from trunk 2018-09-18 Segher Boessenkool PR rtl-optimization/86882 * rtlanal.c (reg_overlap_mentioned_p): Handle CLOBBER. 2018-09-18 Martin Liska Backport from mainline 2018-09-17 Martin Liska PR gcov-profile/85871 * gcov.c (output_intermediate_file): Fix out of bounds access. 2018-09-16 Hans-Peter Nilsson PR target/85666 * config/mmix/mmix.c (mmix_assemble_integer): Handle byte-size non-CONST_INT rtx:es using assemble_integer_with_op ".byte". (MMIX_CFUN_NEEDS_SAVED_EH_RETURN_ADDRESS): Don't call leaf_function_p, instead use has_hard_reg_initial_val. 2018-09-14 John David Anglin PR middle-end/87188 * dojump.c (do_compare_and_jump): Canonicalize function pointers when one operand is a function pointer. Use POINTER_TYPE_P and FUNC_OR_METHOD_TYPE_P. * expr.c (do_store_flag): Use POINTER_TYPE_P and FUNC_OR_METHOD_TYPE_P. * fold-const.c (build_range_check): Likewise. * match.pd (simple_comparison): Likewise. 2018-09-14 Segher Boessenkool Backport from trunk 2018-09-14 Segher Boessenkool PR target/87224 * config/rs6000/rs6000.md (*mov_hardfloat64): Add Z to the Y alternatives. 2018-09-14 Carl Love Backport from trunk 2018-09-14 Carl Love * config/rs6000/emmintrin.h: Add _MM_SHUFFLE2. * config/rs6000/xmmintrin.h: Add _MM_SHUFFLE. 2018-09-12 Segher Boessenkool Backport from trunk 2018-08-24 Segher Boessenkool PR target/86989 * config/rs6000/rs6000.c (toc_relative_expr_p): Check that the base is the TOC register. 2018-09-12 Segher Boessenkool Backport from trunk 2018-08-22 Segher Boessenkool PR rtl-optimization/86771 * combine.c (try_combine): Do not allow splitting a resulting PARALLEL of two SETs into those two SETs, one to be placed at i2, if that SETs destination is modified between i2 and i3. 2018-09-12 Andreas Krebbel Backport from mainline 2018-09-12 Andreas Krebbel * config/s390/s390.md (PFPO_RND_MODE_DFP, PFPO_RND_MODE_BFP): New constants. ("trunc2") ("trunc2") ("extend2") ("extend2"): Set proper rounding mode according to the target operand type. 2018-09-12 Jakub Jelinek PR middle-end/87248 * fold-const.c (fold_ternary_loc) : Verify also that BIT_AND_EXPR's second operand is a power of two. Formatting fix. 2018-09-05 Nathan Sidwell PR c++/87137 * stor-layout.c (place_field): Scan forwards to check last bitfield when ms_bitfield_placement is in effect. 2018-09-05 Richard Biener PR bootstrap/87225 * tree-vect-stmts.c (vectorizable_simd_clone_call): Fix bogus return. 2018-09-05 Jakub Jelinek Backported from mainline 2018-09-04 Jakub Jelinek PR target/87198 * common/config/i386/i386-common.c (OPTION_MASK_ISA_XSAVEOPT_SET, OPTION_MASK_ISA_XSAVES_SET, OPTION_MASK_ISA_XSAVEC_SET): Use OPTION_MASK_ISA_XSAVE_SET instead of OPTION_MASK_ISA_XSAVE. (OPTION_MASK_ISA_XSAVE_UNSET): Add OPTION_MASK_ISA_XSAVES_UNSET and OPTION_MASK_ISA_XSAVEC_UNSET. 2018-08-31 Jakub Jelinek PR middle-end/87138 * expmed.c (expand_mult_const): Use immed_wide_int_const instead of gen_int_mode. Formatting fixes. 2018-08-11 Jakub Jelinek PR tree-optimization/86835 * tree-ssa-math-opts.c (insert_reciprocals): Even when inserting new_stmt after def_gsi, make sure to insert new_square_stmt after that stmt, not 2 stmts before it. 2018-09-04 Max Filippov Backport from mainline 2018-09-04 Max Filippov * config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and XOR operations in NAND case. 2018-09-04 Jonathan Wakely * doc/invoke.texi (Option Summary): Add -Waligned-new. 2018-09-03 Tom de Vries backport from trunk: 2018-06-21 Tom de Vries PR tree-optimization/85859 * tree-ssa-tail-merge.c (stmt_local_def): Copy gimple_is_call test with comment from bb_no_side_effects_p. 2018-09-01 Michael Matz Backport from mainline PR tree-optimization/87074 * gimple-loop-jam.c (unroll_jam_possible_p): Check loop exit PHIs for outer-loop uses. 2018-08-31 Richard Biener Backport from mainline 2018-08-27 Richard Biener PR tree-optimization/86927 * tree-vect-loop.c (vect_create_epilog_for_reduction): Properly use const cond reduction code. 2018-08-23 Richard Biener PR middle-end/87024 * tree-inline.c (copy_bb): Drop unused __builtin_va_arg_pack_len calls. 2018-08-22 Richard Biener PR tree-optimization/86945 * tree-cfg.c (generate_range_test): Use unsigned arithmetic. 2018-08-17 Richard Biener PR middle-end/86505 * tree-inline.c (copy_bb): When inlining __builtin_va_arg_pack_len () across a va-arg-pack using call adjust its return value accordingly. 2018-08-02 Richard Biener PR tree-optimization/86816 * tree-ssa-tail-merge.c (tail_merge_valueize): New function which checks for value availability before querying it. (gvn_uses_equal): Use it. (same_succ_hash): Likewise. (gimple_equal_p): Likewise. 2018-07-17 Richard Biener PR lto/86456 * dwarf2out.c (init_sections_and_labels): Always generate a debug_line_str_section for early LTO debug. (dwarf2out_finish): Reset debug_line_str_hash output early. Bump counter for extra dwarf5 .debug_loc labels to not conflict with fat LTO part. (dwarf2out_early_finish): Output debug_line_str. 2018-08-29 Luis Machado * config/aarch64/aarch64.c (qdf24xx_vector_cost): New static global. (qdf24xx_tunings): Set vector cost structure to qdf24xx_vector_cost. 2018-08-29 Luis Machado * config/aarch64/aarch64.c (qdf24xx_addrcost_table) : Set to 3. 2018-08-27 Martin Sebor PR tree-optimization/86914 * tree-ssa-strlen.c (maybe_set_strlen_range): Avoid MEM_REF. 2018-08-28 Jakub Jelinek PR middle-end/87099 * calls.c (maybe_warn_nonstring_arg): Punt early if warn_stringop_overflow is zero. Don't call get_range_strlen on 3rd argument, keep iterating until lenrng[1] is INTEGER_CST. Only use lenrng[1] if non-NULL and INTEGER_CST. Don't uselessly increment lenrng[0]. 2018-08-27 Jakub Jelinek PR rtl-optimization/87065 * combine.c (simplify_if_then_else): Formatting fix. (if_then_else_cond): Guard MULT optimization with SCALAR_INT_MODE_P check. (known_cond): Don't return const_true_rtx for vector modes. Use CONST0_RTX instead of const0_rtx. Formatting fixes. 2018-08-25 Jozef Lawrynowicz Backport from mainline PR target/86662 * gcc/tree.c (build_common_tree_nodes): Initialize integer_types array with all enabled __intN types. * gcc/testsuite/gcc.target/msp430/pr86662.c: New test. 2018-08-21 H.J. Lu Backport from mainline 2018-08-20 H.J. Lu PR target/87014 * config/i386/i386.md (eh_return): Always update EH return address in word_mode. 2018-08-17 John David Anglin Backport from mainline 2018-08-11 John David Anglin * config/pa/pa.md (UNSPEC_MEMORY_BARRIER): New unspec enum. Update comment for atomic instructions. (atomic_storeqi, atomic_storehi, atomic_storesi, atomic_storesf, atomic_loaddf, atomic_loaddf_1, atomic_storedf, atomic_storedf_1): Remove. (atomic_loaddi): Revise fence expansion to only emit fence prior to load for __ATOMIC_SEQ_CST model. (atomic_loaddi_1): Remove float register target. (atomic_storedi): Handle CONST_INT values. (atomic_storedi_1): Remove float register source. Add special case for zero value. (memory_barrier): New expander and insn. 2018-08-16 Tamar Christina Backport from mainline 2018-07-30 Segher Boessenkool PR target/86640 * config/arm/arm.c (arm_block_set_aligned_vect): Use gen_int_mode instead of GEN_INT. 2018-08-16 Martin Liska Backport from mainline 2018-08-02 Martin Liska PR gcov-profile/86817 * gcov.c (process_all_functions): New function. (main): Call it. (process_file): Move functions processing to process_all_functions. 2018-08-14 Siddhesh Poyarekar Backport from mainline 2018-08-03 Siddhesh Poyarekar * config/aarch64/falkor.md (falkor_am_1_vxvy_vxvy): Move neon_dup_q to... (falkor_am_1_gtov_gtov): ... a new insn reservation. 2018-08-13 Liu Hao Backport from mainline 2018-08-13 Liu Hao * pretty-print.c (eat_esc_sequence): Swap the foreground and background colors if the COMMON_LVB_REVERSE_VIDEO flag is set, and clear it thereafter, as it only works for DBCS. 2018-08-13 Liu Hao Backport from mainline 2018-08-13 Liu Hao * pretty-print.c (mingw_ansi_fputs): Do not call _close() on the handle returned by _get_osf_handle(). 2018-08-14 Richard Sandiford Backport from mainline 2018-08-09 Richard Sandiford PR tree-optimization/86871 * tree-vect-stmts.c (vect_transform_stmt): Use gimple_get_lhs instead of gimple_assign_lhs. 2018-08-07 H.J. Lu Backport from mainline 2018-08-05 H.J. Lu PR target/86386 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Set cfun->machine->max_used_stack_alignment if needed. 2018-08-02 Jozef Lawrynowicz Backport from mainline 2018-07-31 Jozef Lawrynowicz PR middle-end/86705 * gcc/cfgexpand.c (set_parm_rtl): Use the alignment of Pmode when MAX_SUPPORTED_STACK_ALIGNMENT would otherwise be exceeded by the requested variable alignment. (expand_one_ssa_partition): Likewise. (expand_one_var): Likewise. 2018-08-02 Andreas Schwab Backport from mainline 2018-07-17 Andreas Schwab PR target/86820 * config/m68k/m68k.md (umulsi3_highpart+1, const_umulsi3_highpart) (smulsi3_highpart+1, const_smulsi3_highpart): Add CC_STATUS_INIT. 2018-08-01 Richard Biener PR bootstrap/86724 * graphite.h: Include isl/id.h and isl/space.h to allow build with ISL 0.20. 2018-08-01 Jan Willem Jagersma PR target/86651 * dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO mode for COFF targets. * defaults.h (TARGET_COFF): Define. * config/i386/djgpp.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END, TARGET_COFF): Define. (i386_djgpp_asm_lto_start, i386_djgpp_asm_lto_end): Declare. * config/i386/djgpp.c (saved_debug_info_level): New static variable. (i386_djgpp_asm_lto_start, i386_djgpp_asm_lto_end): New functions. 2018-07-29 Bernd Edlinger Backport from mainline 2018-07-23 Bernd Edlinger PR c/86617 * genmatch.c (dt_operand::gen_match_op): Avoid folding volatile values. 2018-07-29 John David Anglin * config/pa/pa.c (pa_output_addr_vec): Align address table. * config/pa/pa.h (JUMP_TABLES_IN_TEXT_SECTION): Revise comment. * config/pa/pa32-linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define. 2018-07-26 Uros Bizjak Backport from mainline 2018-07-16 Uros Bizjak PR target/86511 * expmed.c (emit_store_flag): Do not emit setcc followed by a conditional move when trapping comparison was split to a non-trapping one (and vice versa). 2018-07-26 Jakub Jelinek Backported from mainline 2018-07-24 Jakub Jelinek PR middle-end/86627 * expmed.c (expand_divmod): Punt if d == HOST_WIDE_INT_MIN and size > HOST_BITS_PER_WIDE_INT. For size > HOST_BITS_PER_WIDE_INT and abs_d == d, do the power of two handling if profitable. 2018-07-17 Jakub Jelinek PR middle-end/86542 * omp-low.c (create_task_copyfn): Copy over also fields corresponding to _looptemp_ clauses, other than the first two. PR middle-end/86539 * gimplify.c (gimplify_omp_for): Ensure taskloop firstprivatized init and cond temporaries don't have reference type if iterator has pointer type. For init use &for_pre_body instead of pre_p if for_pre_body is non-empty. 2018-07-26 Jakub Jelinek PR middle-end/86660 * omp-low.c (scan_sharing_clauses): Don't ignore map clauses for declare target to variables if they have always,{to,from,tofrom} map kinds. * BASE-VER: Set to 8.2.1. 2018-07-26 Release Manager * GCC 8.2.0 released. 2018-07-18 Martin Sebor PR middle-end/85602 * calls.c (maybe_warn_nonstring_arg): Handle strncat. * tree-ssa-strlen.c (is_strlen_related_p): Make extern. Handle integer subtraction. (maybe_diag_stxncpy_trunc): Handle nonstring source arguments. * tree-ssa-strlen.h (is_strlen_related_p): Declare. * doc/invoke.texi (-Wstringop-truncation): Update. gcc/testsuite/ChangeLog: 2018-07-16 Claudiu Zissulescu Backport from mainline 2017-03-24 Claudiu Zissulescu * config/arc/arc-protos.h (arc_pad_return): Remove. * config/arc/arc.c (machine_function): Remove force_short_suffix and size_reason. (arc_print_operand): Adjust printing of '&'. (arc_verify_short): Remove conditional printing of short suffix. (arc_final_prescan_insn): Remove reference to size_reason. (pad_return): New function. (arc_reorg): Call pad_return. (arc_pad_return): Remove. (arc_init_machine_status): Remove reference to force_short_suffix. * config/arc/arc.md (vunspec): Add VUNSPEC_ARC_BLOCKAGE. (attr length): When attribute iscompact is true force to 2 regardless; in the case of maybe check if we want to force the instruction to have 4 bytes length. (nopv): Change it to generate 4 byte long nop as well. (blockage): New pattern. (simple_return): Remove call to arc_pad_return. (p_return_i): Likewise. 2018-07-19 Richard Biener Backport from mainline 2018-07-13 Richard Biener PR debug/86452 * dwarf2out.c (gen_type_die_with_usage): Use scope_die_for instead of get_context_die. 2018-07-11 Richard Biener PR debug/86457 * dwarf2out.c (init_sections_and_labels): Use output_asm_line_debug_info consistently. (dwarf2out_early_finish): Likewise. (dwarf2out_finish): Remove DW_AT_stmt_list from early generated type units. 2018-07-16 Richard Biener Backport from mainline 2018-07-13 Richard Biener PR middle-end/85974 * match.pd (addr1 - addr2): Allow either of the operand to have a conversion. 2018-06-15 Richard Biener PR middle-end/86076 * tree-cfg.c (move_stmt_op): unshare invariant addresses before adjusting their block. 2018-06-06 Richard Biener PR tree-optimization/85935 * graphite-scop-detection.c (find_params_in_bb): Analyze condition operands with respect to the correct loop. Assert the analysis doesn't fail. 2018-07-16 Eric Botcazou PR tree-optimization/86514 * tree-ssa-reassoc.c (init_range_entry) : Return for a conversion to a boolean type from a type with greater precision. 2018-07-15 Bill Schmidt Backport from mainline 2018-07-13 Bill Schmidt Steve Munroe * config/rs6000/emmintrin.h (_mm_and_si128): New function. (_mm_andnot_si128): Likewise. (_mm_or_si128): Likewise. (_mm_xor_si128): Likewise. 2018-07-14 Martin Sebor PR tree-optimization/86274 * gimple-ssa-sprintf.c (fmtresult::type_max_digits): Verify precondition. (format_floating): Correct handling of infinities and NaNs. 2018-07-13 H.J. Lu Backport from mainline 2018-07-13 H.J. Lu Sunil K Pandey PR target/84413 * config/i386/i386.c (m_CORE_AVX512): New. (m_CORE_AVX2): Likewise. (m_CORE_ALL): Add m_CORE_AVX2. * config/i386/x86-tune.def: Replace m_HASWELL with m_CORE_AVX2. Replace m_SKYLAKE_AVX512 with m_CORE_AVX512 on avx256_optimal and remove the rest of m_SKYLAKE_AVX512. 2018-07-13 Marek Polacek Backport from trunk 2018-07-03 Marek Polacek PR middle-end/86202 * gimple-fold.c (size_must_be_zero_p): Check the type of the size. 2018-07-12 Richard Biener PR target/84829 * config/gnu-user.h (GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC): Remove -mieee-fp handling. 2018-07-12 Jakub Jelinek PR tree-optimization/86492 * gimple-ssa-store-merging.c (imm_store_chain_info::coalesce_immediate_stores): Call check_no_overlap even for the merge_overlapping case. 2018-07-11 Jakub Jelinek * config/i386/avx512bitalgintrin.h (_mm512_mask_bitshuffle_epi64_mask): Use __mmask64 type instead of __mmask8 for __M argument. * config/i386/avx512fintrin.h (_mm512_mask_xor_epi64, _mm512_maskz_xor_epi64): Use __mmask8 type instead of __mmask16 for __U argument. (_mm512_mask_cmpneq_epi64_mask): Use __mmask8 type instead of __mmask16 for __M argument. (_mm512_maskz_insertf32x4, _mm512_maskz_inserti32x4, _mm512_mask_insertf32x4, _mm512_mask_inserti32x4): Cast last argument to __mmask16 instead of __mmask8. * config/i386/avx512vlintrin.h (_mm_mask_add_ps, _mm_maskz_add_ps, _mm256_mask_add_ps, _mm256_maskz_add_ps, _mm_mask_sub_ps, _mm_maskz_sub_ps, _mm256_mask_sub_ps, _mm256_maskz_sub_ps, _mm256_maskz_cvtepi32_ps, _mm_maskz_cvtepi32_ps): Use __mmask8 type instead of __mmask16 for __U argument. * config/i386/avx512vlbwintrin.h (_mm_mask_cmp_epi8_mask): Use __mmask16 instead of __mmask8 for __U argument. (_mm256_mask_cmp_epi8_mask): Use __mmask32 instead of __mmask16 for __U argument. (_mm256_cmp_epi8_mask): Use __mmask32 return type instead of __mmask16. (_mm_mask_cmp_epu8_mask): Use __mmask16 instead of __mmask8 for __U argument. (_mm256_mask_cmp_epu8_mask): Use __mmask32 instead of __mmask16 for __U argument. (_mm256_cmp_epu8_mask): Use __mmask32 return type instead of __mmask16. (_mm_mask_cmp_epi16_mask): Cast last argument to __mmask8 instead of __mmask16. (_mm256_mask_cvtepi8_epi16): Use __mmask16 instead of __mmask32 for __U argument. (_mm_mask_cvtepi8_epi16): Use __mmask8 instead of __mmask32 for __U argument. (_mm256_mask_cvtepu8_epi16): Use __mmask16 instead of __mmask32 for __U argument. (_mm_mask_cvtepu8_epi16): Use __mmask8 instead of __mmask32 for __U argument. (_mm256_mask_cmpneq_epu8_mask, _mm256_mask_cmplt_epu8_mask, _mm256_mask_cmpge_epu8_mask, _mm256_mask_cmple_epu8_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask32. (_mm256_mask_cmpneq_epu16_mask, _mm256_mask_cmplt_epu16_mask, _mm256_mask_cmpge_epu16_mask, _mm256_mask_cmple_epu16_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask16. (_mm256_mask_cmpneq_epi8_mask, _mm256_mask_cmplt_epi8_mask, _mm256_mask_cmpge_epi8_mask, _mm256_mask_cmple_epi8_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask32. (_mm256_mask_cmpneq_epi16_mask, _mm256_mask_cmplt_epi16_mask, _mm256_mask_cmpge_epi16_mask, _mm256_mask_cmple_epi16_mask): Change return type as well as __M argument type and all casts from __mmask8 to __mmask16. * config/i386/avx512vbmi2vlintrin.h (_mm_mask_shrdi_epi32, _mm_mask_shldi_epi32): Cast last argument to __mmask8 instead of __mmask16. 2018-07-11 Grazvydas Ignotas * config/i386/avx512bwintrin.h: (_mm512_mask_cmp_epi8_mask, _mm512_mask_cmp_epu8_mask): Use __mmask64 type instead of __mmask32 for __U argument. 2018-07-05 Martin Sebor PR c++/86400 * tree-ssa-strlen.c (maybe_set_strlen_range): Use type size rather than its domain to compute its the upper bound of a char array. 2018-07-03 Carl Love Backport from trunk 2018-07-03 Carl Love * config/rs6000/rs6000-c.c: Map ALTIVEC_BUILTIN_VEC_UNPACKH for float argument to VSX_BUILTIN_DOUBLEH_V4SF. Map ALTIVEC_BUILTIN_VEC_UNPACKL for float argument to VSX_BUILTIN_DOUBLEL_V4SF. 2018-07-04 Luis Machado * config/aarch64/aarch64.c (qdf24xx_addrcost_table): New static global. (qdf24xx_tunings) : Set to qdf24xx_addrcost_table. 2018-07-02 Segher Boessenkool Backport from trunk 2018-06-26 Segher Boessenkool PR target/86285 * config/rs6000/rs6000.c (rs6000_init_builtins): Do not set ieee128_float_type_node to long_double_type_node unless TARGET_LONG_DOUBLE_128 is set. 2018-07-02 Eric Botcazou * config/i386/i386.c (ix86_finalize_stack_frame_flags): Do not overrule -fno-omit-frame-pointer when not optimizing. 2018-06-30 Alexandre Oliva PR debug/86064 * dwarf2out.c (loc_list_has_views): Adjust comments. (dw_loc_list): Split single cross-partition range with nonzero locview. 2018-06-29 Kelvin Nilsen Backport from mainline 2018-06-22 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change behavior of vec_pack (vector double, vector double) to match behavior of vec_float2 (vector double, vector double). 2018-06-29 Jakub Jelinek * config/rs6000/t-rs6000: Append rs6000-modes.h to TM_H. 2018-06-28 Kelvin Nilsen Backport from mainline 2017-05-23 Segher Boessenkool * doc/sourcebuild.texi (Endianness): New subsubsection. 2018-06-27 Kelvin Nilsen Backport from mainline 2018-06-20 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change behavior of vec_packsu (vector unsigned long long, vector unsigned long long) to match behavior of vec_packs with same signature. 2018-06-26 Aaron Sawdey Backport from trunk 2018-06-26 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_clear): Don't use unaligned vsx for 16B memset. 2018-06-26 Aaron Sawdey Backport from trunk 2018-06-22 Aaron Sawdey PR target/86222 * config/rs6000/rs6000-string.c (expand_strn_compare): Handle -m32 correctly. 2018-06-26 Segher Boessenkool Backport from trunk 2018-05-08 Segher Boessenkool PR rtl-optimization/85645 * regrename.c (build_def_use): Also kill the chains that include the destination of a REG_CFA_REGISTER note. 2018-06-26 Segher Boessenkool Backport from trunk 2018-05-08 Segher Boessenkool PR rtl-optimization/85645 * regcprop.c (copyprop_hardreg_forward_1): Don't propagate into an insn that has a REG_CFA_REGISTER note. 2018-06-26 Robin Dapp * config/s390/s390.h (enum processor_flags): Do not use default tune parameter when -march was specified. 2018-06-26 Jakub Jelinek PR target/86314 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2s): Check reg_overlap_mentioned_p in addition to reg_set_p with the same operands. 2018-06-25 Michael Meissner Back port from trunk 2018-06-25 Michael Meissner * config.gcc (powerpc64le*): Revert January 16th, 2018 patch that added IEEE/IBM long double multilib support on PowerPC little endian Linux systems. * config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Likewise. (MULTILIB_DEFAULTS): Likewise. * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise. * config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Likewise. * config/rs6000/t-ldouble-linux64le-ibm: Delete, no longer used. * config/rs6000/t-ldouble-linux64le-ieee: Delete, no longer used. 2018-06-25 Segher Boessenkool Backport from trunk 2018-06-04 Segher Boessenkool * config/rs6000/rs6000.md (abs2): Handle IFmode. 2018-05-02 Jan Hubicka Backport from mainline 2018-04-30 Jan Hubicka * lto-wrapper.c (ltrans_priorities): New static var. (cmp_priority): New. (run_gcc): Read priorities and if doing parallel build order the Makefile by them. 2018-06-25 Segher Boessenkool Backport from trunk 2018-06-19 Segher Boessenkool PR target/86197 * config/rs6000/rs6000.md (rs6000_discover_homogeneous_aggregate): An ieee128 argument takes up only one (vector) register, not two (floating point) registers. 2018-06-23 Richard Sandiford PR tree-optimization/85989 * gimple-ssa-backprop.c (backprop::m_visited_phis): New member variable. (backprop::intersect_uses): Check it when deciding whether this is a backedge reference. (backprop::process_block): Add each phi to m_visited_phis after visiting it, then clear it at the end. 2018-06-22 David Edelsohn Backport from mainline 2018-06-19 Tony Reix Damien Bergamini David Edelsohn * collect2.c (static_obj): New variable. (static_libs): New variable. (is_in_list): Uncomment declaration. (main): Track AIX libraries linked statically. (is_in_list): Uncomment definition. (scan_prog_file): Don't add AIX shared libraries initializer to constructor list if linking statically. 2018-06-22 Michael Meissner Back port from trunk 2018-06-21 Michael Meissner * config/rs6000/rs6000.md (extendtfif2): Add missing 128-bit conversion insn that shows up when pr85657-3.c is compiled using IEEE 128-bit long double. Back port from trunk 2018-06-21 Michael Meissner * config/rs6000/rs6000.c (init_float128_ieee): Prevent complex multiply and divide external functions from being created more than once. Back port from trunk 2018-06-21 Michael Meissner * config/rs6000/rs6000.md (neg2_internal): Use the correct mode to check whether the mode is IBM extended. 2018-06-18 Michael Meissner PR target/85358 * config/rs6000/rs6000-modes.def (toplevel): Rework the 128-bit floating point modes, so that IFmode is numerically greater than TFmode, which is greater than KFmode using FRACTIONAL_FLOAT_MODE to declare the ordering. This prevents IFmode from being converted to TFmode when long double is IEEE 128-bit on an ISA 3.0 machine. Include rs6000-modes.h to share the fractional values between genmodes* and the rest of the compiler. (IFmode): Likewise. (KFmode): Likewise. (TFmode): Likewise. * config/rs6000/rs6000-modes.h: New file. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Change the meaning of rs6000_long_double_size so that 126..128 selects an appropriate 128-bit floating point type. (rs6000_option_override_internal): Likewise. * config/rs6000/rs6000.h (toplevel): Include rs6000-modes.h. (TARGET_LONG_DOUBLE_128): Change the meaning of rs6000_long_double_size so that 126..128 selects an appropriate 128-bit floating point type. (LONG_DOUBLE_TYPE_SIZE): Update comment. * config/rs6000/rs6000.md (trunciftf2): Correct the modes of the source and destination to match the standard usage. (truncifkf2): Likewise. (copysign3, IEEE iterator): Rework copysign of float128 on ISA 2.07 to use an explicit clobber, instead of passing in a temporary. (copysign3_soft): Likewise. Back port from trunk 2018-06-08 David Edelsohn * config/rs6000/rs6000.c (rs6000_passes_ieee128): Protect with #if TARGET_ELF. Back port from trunk 2018-06-04 Michael Meissner * config/rs6000/rs6000.c (rs6000_passes_ieee128): New boolean to track if we pass or return IEEE 128-bit floating point. (ieee128_mangling_gcc_8_1): New boolean to say whether to generate C++ mangling that is compatible with GCC 8.1. (TARGET_ASM_GLOBALIZE_DECL_NAME): Override target hook. (init_cumulative_args): Note if we pass or return IEEE 128-bit floating point types. (rs6000_function_arg_advance_1): Likewise. (rs6000_mangle_type): Optionally generate mangled names that match what GCC 8.1 generated for IEEE 128-bit floating point types. (rs6000_globalize_decl_name): If we have an external function that passes or returns IEEE 128-bit types, generate a weak reference from the mangled name used in GCC 8.1 to the current mangled name. (rs6000_init_builtins): Make __ibm128 use the long double type if long double is IBM extended double. Make __float128 use the long double type if long double is IEEE 128-bit. PR target/85657 * config/rs6000/rs6000-builtin.def (BU_IBM128_2): New helper macro for __ibm128 built-in functions. (PACK_IF): Add __ibm128 pack/unpack functions. (UNPACK_IF): Likewise. * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Do not enable long double built-in functions if long double is IEEE 128-bit floating point. (rs6000_invalid_builtin): Update long double built-in function error message. (rs6000_expand_builtin): For PACK_IF and UNPACK_IF built-in functions, adjust the built-in function to use the long double built-in function if __ibm128 and long double are the same type. * doc/extend.texi (PowerPC builtins): Update documention for __builtin_{,un}pack_longdouble. Add documentation for __builtin_{,un}pack_ibm128. Back port from trunk 2018-06-01 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_mangle_type): Change the mangling of the 128-bit floating point types. Fix function comment. 2018-06-22 Michael Meissner Back port from trunk 2018-05-21 Michael Meissner PR target/85657 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not define __ibm128 as long double. * config/rs6000/rs6000.c (rs6000_init_builtins): Create __ibm128 as a distinct type with IEEE 128-bit floating point is supported. (init_float128_ieee): Fix up conversions between IFmode and IEEE 128-bit types to use the correct functions. (rs6000_expand_float128_convert): Use explicit FLOAT_EXTEND to convert between 128-bit floating point types that have different modes but the same representation, instead of using gen_lowpart to makean alias. * config/rs6000/rs6000.md (IFKF): New iterator for IFmode and KFmode. (IFKF_reg): New attributes to give the register constraints for IFmode and KFmode. (extendtf2_internal): New insns to mark an explicit conversion between 128-bit floating point types that have a different mode but share the same representation. 2018-06-22 Rainer Orth PR target/85994 * config/i386/sol2.h (CPP_SPEC): Don't pass -P for -x assembler-with-cpp. 2018-06-21 Sebastian Huber Backported from mainline 2018-06-15 Sebastian Huber * config.gcc (riscv*-*-elf* | riscv*-*-rtems*): Use custom multilibs for *-*-rtems*. * config/riscv/t-rtems: New file. 2018-06-20 Jakub Jelinek Backported from mainline 2018-06-16 Jakub Jelinek PR rtl-optimization/86108 * bb-reorder.c (create_forwarder_block): Renamed to ... (create_eh_forwarder_block): ... this. Split OLD_BB after labels and jump from new landing pad to the second part. (sjlj_fix_up_crossing_landing_pad, dw2_fix_up_crossing_landing_pad): Adjust callers. 2018-06-20 Jakub Jelinek PR debug/86194 * var-tracking.c (use_narrower_mode_test): Check if shift amount can be narrowed. PR tree-optimization/86231 * tree-vrp.c (union_ranges): For ( [ ) ] or ( )[ ] range and anti-range don't overwrite *vr0min before using it to compute *vr0max. 2018-06-19 Max Filippov Backport from mainline 2018-06-19 Max Filippov * config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec constant. (allocate_stack, frame_blockage, *frame_blockage): New patterns. 2018-06-19 Eric Botcazou * gimplify.c (gimplify_init_constructor): Really never clear for an incomplete constructor if CONSTRUCTOR_NO_CLEARING is set. 2018-06-18 Martin Sebor PR c/82063 * calls.c (alloc_max_size): Correct a logic error/typo. Treat excessive arguments as infinite. Warn for invalid arguments. * doc/invoke.texi (-Walloc-size-larger-than): Update. 2018-06-16 Jakub Jelinek PR middle-end/86095 * common.opt (Wunsafe-loop-optimizations): Add Ignore, remove Var, documented as preserved for backward compatibility only. * doc/invoke.texi: Remove -Wunsafe-loop-optimizations documentation. 2018-06-15 Jakub Jelinek PR middle-end/85878 * expr.c (expand_assignment): Remove now redundant COMPLEX_MODE_P check from first store_expr, use to_mode instead of GET_MODE (to_rtx). Only call store_expr for halves if the mode is the same. PR middle-end/86123 * match.pd ((X / Y) == 0 -> X < Y): Don't transform complex divisions. Fix up comment formatting. 2018-06-14 Jakub Jelinek PR middle-end/86122 * match.pd ((A +- CST1) +- CST2): Punt if last resort unsigned_type_for returns NULL. PR target/85945 * lower-subreg.c (find_decomposable_subregs): Don't decompose float subregs of multi-word pseudos unless the float mode has word size. 2018-06-14 Richard Biener PR middle-end/86139 * tree-vect-generic.c (build_word_mode_vector_type): Remove duplicate and harmful type_hash_canon. * tree.c (type_hash_canon): Assert we didn't find ourselves. 2018-06-14 Sebastian Huber Backport from mainline 2018-06-14 Sebastian Huber * config/rtems.h (STDINT_LONG32): Define. 2018-05-05 Roland McGrath PR other/77609 * varasm.c (default_section_type_flags): Set SECTION_NOTYPE for any section for which we don't know a specific type it should have, regardless of name. Previously this was done only for the exact names ".init_array", ".fini_array", and ".preinit_array". (default_elf_asm_named_section): Add comment about relationship with default_section_type_flags and SECTION_NOTYPE. (get_section): Don't consider it a type conflict if one side has SECTION_NOTYPE and the other doesn't, as long as neither has the SECTION_BSS et al used in the default_section_type_flags logic. 2018-06-13 Martin Sebor PR tree-optimization/86114 * gimple-fold.c (gimple_fold_builtin_strlen): Only handle LHS of integer types. * tree-ssa-strlen.c (maybe_set_strlen_range): Same. 2018-06-13 Eric Botcazou PR target/86048 * config/i386/winnt.c (i386_pe_seh_cold_init): Do not emit negative offsets for register save directives. Emit a second batch of save directives, if need be, when the function accesses prior frames. 2018-06-11 Jason Merrill PR c++/80485 - inline function non-zero address. * symtab.c (nonzero_address): Check DECL_COMDAT. 2018-06-11 Peter Bergner Backport from mainline 2018-06-08 Peter Bergner PR target/85755 * config/rs6000/rs6000.c (mem_operand_gpr): Enable PRE_INC and PRE_DEC addresses. 2018-06-11 Segher Boessenkool Backport from trunk 2018-06-11 Segher Boessenkool PR target/85755 * config/rs6000/rs6000.md (*movdi_internal32): Put constraint modifiers on the correct operand. (*movdi_internal64): Ditto. 2018-06-08 Carl Love Backport from mainline * gcc/config/rs6000/vsx.md (vextract_fp_from_shorth, vextract_fp_from_shortl): Add BE support. 2018-06-08 Carl Love Backport from mainline * gcc/config/rs6000/vsx.md (first_match_index_): Calculate index using natureal element order. (first_match_or_eos_index_): Calculate index using natural element order. (first_match_index_): Calculate index using natural element order. (first_match_or_eos_index_): Calculate index using natural order. (define_insn vclzlsbb): Change to define_insn vclzlsbb_. for BE and LE modes. * gcc/config/rs6000/rs6000-c.c: Rename P9V_BUILTIN_VCLZLSBB, P9V_BUILTIN_VCLZLSBB_V16QI. * gcc/config/rs6000/rs6000-builtin.def: Make VCLZLSBB mode specific. 2018-06-08 Kyrylo Tkachov Backport from mainline 2018-06-05 Kyrylo Tkachov PR target/81497 * config/arm/arm-builtins.c (arm_type_qualifiers): Add qualifier_void_pointer and qualifier_const_void_pointer. (arm_ldc_qualifiers, arm_stc_qualifiers): Use the above. (arm_init_builtins): Handle the above. * config/arm/arm_acle.h (__arm_cdp, __arm_ldc, __arm_ldcl, __arm_stc, __arm_stcl, __arm_mcr, __arm_cdp2, __arm_ldc2, __arm_ldcl2, __arm_stc2, __arm_stcl2,__arm_mcr2, __arm_mcrr, __arm_mcrr2): Remove return for void intrinsics. 2018-06-07 Uros Bizjak PR target/85684 * config/i386/i386.c (ix86_expand_builtin) : Generate SImode target register for null target. : Ditto. : Optimize LSHIFTRT generation. * config/i386/xsaveintrin.h (_xgetbv): Add missing return. 2018-06-07 Peter Bergner Backport from mainline 2018-06-06 Peter Bergner PR target/63177 * /config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mpower9. Don't handle -mcpu=power8 if -mpower9-vector is also used. 2018-06-06 Richard Biener Backport from mainline 2018-06-04 Richard Biener PR tree-optimization/86038 * tracer.c (find_best_successor): Check probability for being initialized, bail out if not. 2018-05-30 Richard Biener PR tree-optimization/85964 * tracer.c (better_p): Drop initialized count check, we only call the function with initialized counts now. (find_best_successor): Do find a best edge if one has uninitialized count. (find_best_predecessor): Likewise. Do BB frequency check only if count is initialized. 2018-05-28 Richard Biener PR tree-optimization/85934 * tree-vect-generic.c (expand_vector_operations_1): Hoist vector boolean check before scalar optimization. 2018-05-22 Richard Biener PR tree-optimization/85863 * tree-vect-stmts.c (vect_is_simple_cond): Only widen invariant comparisons when vectype is specified. (vectorizable_condition): Do not specify vectype for vect_is_simple_cond when SLP vectorizing. 2018-06-05 Andreas Krebbel Backport from mainline 2018-06-05 Andreas Krebbel * config/s390/s390-builtin-types.def: Add void function type. * config/s390/s390-builtins.def: Use the function type for the tbeginc builtin. 2018-06-04 Martin Sebor PR c/85623 * calls.c (maybe_warn_nonstring_arg): Use string length to set or ajust the presumed bound on an operation to avoid unnecessary warnings. 2018-06-04 Richard Earnshaw PR target/86003 * config/arm/arm-cpus.in (ALL_QUIRKS): Add xscale feature to the list of bits to ignore when comparing architectures. 2018-06-04 Jakub Jelinek PR c++/86025 * tree.c (inchash::add_expr): Handle IDENTIFIER_NODE. 2018-06-01 Bill Schmidt PR tree-optimization/85712 Backport from mainline: 2018-05-23 Bill Schmidt PR tree-optimization/85712 * gimple-ssa-strength-reduction.c (struct slsr_cand_d): Add first_interp field. (alloc_cand_and_find_basis): Initialize first_interp field. (slsr_process_mul): Modify first_interp field. (slsr_process_add): Likewise. (slsr_process_cast): Modify first_interp field for each new interpretation. (slsr_process_copy): Likewise. (dump_candidate): Dump first_interp field. (replace_mult_candidate): Process all interpretations, not just subsequent ones. (replace_rhs_if_not_dup): Likewise. (replace_one_candidate): Likewise. Backport from mainline: 2018-05-25 Bill Schmidt PR tree-optimization/85712 * gimple-ssa-strength-reduction.c (replace_one_candidate): Skip if this candidate has already been replaced in-situ by a copy. 2018-05-31 Uros Bizjak PR target/85950 * config/i386/i386.md (l2): Enable for TARGET_SSE4_1 and generate rounds{s,d} and cvtts{s,d}2si{,q} sequence. (sse4_1_round2): Use nonimmediate_operand for operand 1 predicate. 2018-05-31 Jakub Jelinek PR target/85984 * bb-reorder.c (pass_partition_blocks::gate): Return false for functions with naked attribute. 2018-05-31 H.J. Lu PR target/85829 * config/i386/x86-tune.def: Re-enable partial_reg_dependency and movx for Haswell. 2018-05-30 Jakub Jelinek Backported from mainline 2018-05-14 Jakub Jelinek PR target/85756 * config/i386/i386.md: Disallow non-commutative arithmetics in last twpeephole for mem {+,-,&,|,^}= x; mem != 0 after cmpelim optimization. Use COMMUTATIVE_ARITH_P test rather than != MINUS in the peephole2 before it. 2018-05-08 Jakub Jelinek PR target/85683 * config/i386/i386.md: Add peepholes for mem {+,-,&,|,^}= x; mem != 0 after cmpelim optimization. 2018-05-28 H.J. Lu Backport from mainline 2018-05-26 H.J. Lu PR target/85900 PR target/85345 * varasm.c (assemble_alias): Lookup ifunc attribute on error. 2018-05-24 H.J. Lu PR target/85900 PR target/85345 * varasm.c (assemble_alias): Check ifunc_resolver only on FUNCTION_DECL. 2018-05-22 H.J. Lu PR target/85345 * cgraph.h (cgraph_node::create): Set ifunc_resolver for ifunc attribute. (cgraph_node::create_alias): Likewise. (cgraph_node::get_availability): Check ifunc_resolver instead of looking up ifunc attribute. * cgraphunit.c (maybe_diag_incompatible_alias): Likewise. * varasm.c (do_assemble_alias): Likewise. (assemble_alias): Likewise. (default_binds_local_p_3): Likewise. * cgraph.h (cgraph_node): Add ifunc_resolver. (cgraph_node::only_called_directly_or_aliased_p): Return false for IFUNC resolver. * lto-cgraph.c (input_node): Set ifunc_resolver for ifunc attribute. * symtab.c (symtab_node::verify_base): Verify that ifunc_resolver is equivalent to lookup_attribute ("ifunc", DECL_ATTRIBUTES (decl)). (symtab_node::binds_to_current_def_p): Check ifunc_resolver instead of looking up ifunc attribute. 2018-05-27 John David Anglin * config/pa/pa-linux.h (NEED_INDICATE_EXEC_STACK): Define to 0. 2018-05-25 Richard Biener PR c++/85912 * tree-dump.c (dequeue_and_dump): Remove access to removed operand 2 of a SWITCH_EXPR. 2018-05-24 Uros Bizjak * config/i386/sse.md (cvtusi264): Add {q} suffix to insn mnemonic. 2018-05-24 Uros Bizjak PR target/85903 * config/i386/sse.md (movdi_to_sse): Do not generate pseudo when memory input operand is handled. 2018-05-23 Bin Cheng Backport from mainline 2018-05-17 Bin Cheng Richard Biener PR tree-optimization/85793 * tree-vect-stmts.c (vectorizable_load): Handle 1 element-wise load for VMAT_ELEMENTWISE. 2018-05-23 Richard Biener PR middle-end/85874 * tree-data-ref.c (create_runtime_alias_checks): Defer and ignore overflow warnings. 2018-05-23 Martin Liska Backport from mainline 2018-05-23 Yury Gribov PR tree-optimization/85822 * tree-vrp.c (is_masked_range_test): Fix handling of negative constants. 2018-05-23 Martin Liska Backport from mainline 2018-05-11 Martin Liska PR sanitizer/85556 * doc/extend.texi: Document LLVM style format for no_sanitize attribute. 2018-05-22 Martin Sebor PR middle-end/85643 * calls.c (get_attr_nonstring_decl): Handle MEM_REF. 2018-05-22 Richard Sandiford PR tree-optimization/85814 * tree-ssa-strlen.c (get_stridx_plus_constant): Cope with a null return from get_strinfo when unsharing the next strinfo in the chain. 2018-05-21 Pat Haugen Backport from mainline 2018-05-17 Pat Haugen Segher Boessenkool PR target/85698 * config/rs6000/rs6000.c (rs6000_output_move_128bit): Check dest operand. 2018-05-18 Toon Moene * doc/invoke.texi: Move -floop-unroll-and-jam documentation directly after that of -floop-interchange. Indicate that both options are enabled by default when specifying -O3. 2018-05-11 Martin Jambor PR ipa/85655 * ipa-cp.c (intersect_with_plats): Check that the lattice contains single const. 2018-05-11 Richard Earnshaw PR target/85733 * config/arm/arm-cpus.in (fgroup ARMv6m): Add be8 feature. 2018-05-11 Richard Earnshaw PR target/85606 * config/arm/arm-cpus.in: Add comment that ARMv6-m and ARMv6S-m are now equivalent. (cortex-m0): Use armv6s-m isa. (cortex-m0plus): Likewise. (cortex-m1): Likewise. (cortex-m0.small-multiply): Likewise. (cortex-m0plus.small-multiply): Likewise. (cortex-m1.small-multiply): Likewise. 2018-05-09 Eric Botcazou PR rtl-optimization/85638 * bb-reorder.c: Include common/common-target.h. (create_forwarder_block): New function extracted from... (fix_up_crossing_landing_pad): ...here. Rename into... (dw2_fix_up_crossing_landing_pad): ...this. (sjlj_fix_up_crossing_landing_pad): New function. (find_rarely_executed_basic_blocks_and_crossing_edges): In SJLJ mode, call sjlj_fix_up_crossing_landing_pad if there are incoming EH edges from both partitions and exit the loop after one iteration. 2018-05-08 Richard Biener Backport from mainline 2018-05-04 Richard Biener PR middle-end/85588 * fold-const.c (negate_expr_p): Restrict negation of operand zero of a division to when we know that can happen without overflow. (fold_negate_expr_1): Likewise. 2018-05-03 Richard Biener PR tree-optimization/85615 * tree-ssa-threadupdate.c (thread_block_1): Only allow exits to loops not nested in BBs loop father to avoid creating multi-entry loops. 2018-05-02 Richard Biener PR middle-end/85567 * gimplify.c (gimplify_save_expr): When in SSA form allow SAVE_EXPRs to compute to SSA vars. 2018-05-02 Richard Biener PR tree-optimization/85597 * tree-vect-stmts.c (vectorizable_operation): For ternary SLP do not use split vect_get_vec_defs call but call vect_get_slp_defs directly. 2018-05-08 Richard Earnshaw PR target/85658 * config/arm/parsecpu.awk (check_cpu): Fix operator precedence. (check_arch): Likewise. (check_fpu): Return the result rather than printing it. (end arch): Fix operator precedence. (end cpu): Likewise. (END): Print the result from check_fpu. 2018-05-08 Richard Biener Backport from mainline 2018-05-04 Richard Biener * bb-reorder.c (sanitize_hot_paths): Release hot_bbs_to_check. * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Remove redundant create, release split_store vector contents on failure. * tree-vect-slp.c (vect_schedule_slp_instance): Avoid leaking scalar stmt vector on cache hit. 2018-05-04 Richard Biener PR middle-end/85627 * tree-complex.c (tree_lower_complex): Handle removed blocks. 2018-05-07 Chung-Ju Wu Backport from mainline. 2018-04-25 Chung-Ju Wu * config/nds32/nds32-predicates.c (nds32_can_use_bclr_p): Mask with GET_MODE_MASK before any checking. (nds32_can_use_bset_p): Likewise. (nds32_can_use_btgl_p): Likewise. 2018-05-07 Chung-Ju Wu Backport from mainline. 2018-04-25 Chung-Ju Wu * config/nds32/nds32-doubleword.md: New define_split pattern for illegal register number. 2018-05-07 Chung-Ju Wu Backport from mainline. 2018-04-25 Chung-Ju Wu * config/nds32/nds32.c (nds32_print_operand): Set op_value ealier. 2018-05-07 Chung-Ju Wu Backport from mainline. 2018-04-25 Chung-Ju Wu * config/nds32/nds32.h (ASM_APP_ON): Add missing newline character. 2018-05-06 Jakub Jelinek PR c++/85659 * cfgexpand.c (expand_asm_stmt): Don't create a temporary if the type is addressable. Don't force op into register if it has BLKmode. 2018-05-04 Kyrylo Tkachov Backport from trunk. 2018-04-27 Kyrylo Tkachov PR target/85512 * config/aarch64/constraints.md (Usg): Limit to 31. (Usj): Limit to 63. 2018-05-02 Jakub Jelinek * BASE-VER: Set to 8.1.1. 2018-05-02 Release Manager * GCC 8.1.0 released. 2018-05-02 Richard Sandiford PR tree-optimization/85586 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Only exit early for statements in the same group if the accesses are not strided. 2018-05-01 Jakub Jelinek PR web/85578 * doc/install.texi2html: Replace _002d with - and _002a with * in generated html files using sed. 2018-04-27 Martin Jambor PR ipa/85549 * ipa-cp.c (find_aggregate_values_for_callers_subset): Make sure the jump function allows for passing through aggregate values. 2018-04-27 Jeff Law * config.gcc: Mark tile* targets as deprecated/obsolete. 2018-04-27 Jakub Jelinek PR tree-optimization/85529 * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Add FIRST_BB argument. Don't call get_nonzero_bits if opcode is ERROR_MARK_NODE, rhs2 def stmt's bb is dominated by first_bb and it isn't an obvious zero extension or masking of the MSB bit. (optimize_range_tests): Add FIRST_BB argument, pass it through to optimize_range_tests_var_bound. (maybe_optimize_range_tests, reassociate_bb): Adjust optimize_range_tests callers. 2018-04-26 Richard Biener Jakub Jelinek * cgraph.h (symbol_table): Just declare debug method here. * symtab.c (symbol_table::debug): Define. 2018-04-26 Jonathan Wakely * doc/invoke.texi (-Wreturn-type): Document default status for C++. 2018-04-25 H.J. Lu Backport from mainline 2018-04-25 Sebastian Peryt PR target/85473 * config/i386/i386.c (ix86_expand_builtin): Change memory operand to XI, extend p0 to Pmode. * config/i386/i386.md: Change unspec volatile and operand 1 mode to XI, change operand 0 mode to P. 2018-04-25 Jakub Jelinek * DEV-PHASE: Set to prerelease. 2018-04-24 Segher Boessenkool * config/rs6000/rs6000.c (init_float128_ieee): Fix spelling mistakes in __abskf2 and __powikf2. 2018-04-24 Kyrylo Tkachov PR target/85512 * config/aarch64/constraints.md (Usg, Usj): New constraints. * config/aarch64/iterators.md (cmode_simd): New mode attribute. * config/aarch64/aarch64.md (*aarch64_ashr_sisd_or_int_3): Use the above on operand 2. Reindent. (*aarch64_lshr_sisd_or_int_3): Likewise. 2018-04-24 H.J. Lu PR target/85485 * common/config/i386/i386-common.c (ix86_handle_option): Don't handle OPT_mcet. * config/i386/i386.opt (mcet): Removed. * doc/install.texi: Remove -mcet documentation. * doc/invoke.texi: Likewise. 2018-04-24 H.J. Lu PR target/85485 * doc/install.texi: Remove -mcet from bootstrap-cet. 2018-04-24 Jakub Jelinek PR target/85511 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Don't define __builtin_ia32_readeflags_u32 and __builtin_ia32_writeeflags_u32 if TARGET_64BIT. PR target/85503 * config/rs6000/rs6000-p8swap.c (const_load_sequence_p): Punt if const_vector is not CONST_VECTOR or SYMBOL_REF for a constant pool containing a CONST_VECTOR. 2018-04-24 Cesar Philippidis * doc/install.texi: Update newlib dependency for nvptx. 2018-04-24 Jakub Jelinek PR target/85508 * config/i386/i386.c (ix86_expand_vector_init_one_var): Use UINTVAL instead of INTVAL when shifting x left. 2018-04-24 Andreas Krebbel PR tree-optimization/85478 * tree-vect-loop.c (vect_analyze_loop_2): Do not call vect_grouped_store_supported for single element vectors. 2018-04-24 Richard Biener PR target/85491 * config/i386/i386.c (ix86_add_stmt_cost): Restrict strided load cost increase to the case of non-constant step. 2018-04-24 Jakub Jelinek PR target/84828 * reg-stack.c (move_for_stack_reg): Don't fail assertion about dead destination if any_malformed_asm. 2018-04-23 Eric Botcazou PR middle-end/85496 * expr.c (store_field): In the bitfield case, if the value comes from a function call and is returned in registers by means of a PARALLEL, do not change the mode of the temporary unless BLKmode and VOIDmode. 2018-04-23 Andrey Belevantsev PR rtl-optimization/85423 * sel-sched-ir.c (has_dependence_note_mem_dep): Only discard dependencies to debug insns when the previous insn is non-debug. 2018-04-23 Claudiu Zissulescu * config/arc/arc.md ("vunspec"): Delete it, unify all the unspec enums into a single definition. (fls): Fix predicates and printing. (seti): Likewise. 2018-04-23 Claudiu Zissulescu * config/arc/arc-protos.h (check_if_valid_sleep_operand): Remove. * config/arc/arc.c (arc_expand_builtin): Sleep accepts registers and short u6 immediate. (check_if_valid_sleep_operand): Remove. * config/arc/arc.md (Sleep): Accepts registers and u6 immediates. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (nds32_compute_stack_frame): Consider flag_always_save_lp condition. * config/nds32/nds32.opt (malways-save-lp): New option. 2018-04-22 Shiva Chen * config/nds32/nds32-protos.h (nds32_use_load_post_increment): Declare. * config/nds32/nds32.c (nds32_use_load_post_increment): New. * config/nds32/nds32.h (USE_LOAD_POST_INCREMENT, USE_LOAD_POST_DECREMENT): Define. (USE_STORE_POST_INCREMENT, USE_STORE_POST_DECREMENT): Define. 2018-04-22 Shiva Chen * config/nds32/nds32-protos.h (nds32_ls_333_p): Remove. * config/nds32/nds32.c (nds32_ls_333_p): Remove. 2018-04-22 Shiva Chen Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_case_vector_shorten_mode): Declare. * config/nds32/nds32.c (nds32_case_vector_shorten_mode): New function. * config/nds32/nds32.h (CASE_VECTOR_SHORTEN_MODE): Modify. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (nds32_compute_stack_frame): Fix wrong value. 2018-04-22 Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_data_alignment, nds32_local_alignment): Declare. * config/nds32/nds32.c (nds32_data_alignment, nds32_constant_alignment, nds32_local_alignment): New functions. (TARGET_CONSTANT_ALIGNMENT): Define. * config/nds32/nds32.h (DATA_ALIGNMENT, LOCAL_ALIGNMENT): Define. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (TARGET_HARD_REGNO_MODE_OK): Move to the bottom of file. (TARGET_MODES_TIEABLE_P): Likewise. 2018-04-22 Chung-Ju Wu * config/nds32/nds32.c (nds32_asm_file_start): Display optimization level Ofast and Og. 2018-04-22 Monk Chiang Chung-Ju Wu * config/nds32/constants.md (unspec_volatile_element): Add enum values for unaligned access. * config/nds32/nds32-intrinsic.c: Implementation of expanding unaligned access. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. * config/nds32/nds32.opt (munaligned-access): New option. * config/nds32/nds32.c (nds32_asm_file_start): Display flag_unaligned_access status. 2018-04-20 Kito Cheng * config/riscv/elf.h (LINK_SPEC): Pass --no-relax if -mno-relax is present. * config/riscv/linux.h (LINK_SPEC): Ditto. 2018-04-20 Martin Sebor PR c/85365 * gimple-fold.c (gimple_fold_builtin_strcpy): Suppress -Wrestrict for null pointers. (gimple_fold_builtin_stxcpy_chk): Same. * gimple-ssa-warn-restrict.c (check_bounds_or_overlap): Same. 2018-04-20 Michael Meissner PR target/85456 * config/rs6000/rs6000.c (init_float128_ieee): Add support to call __powikf2 when long double is IEEE 128-bit. 2018-04-20 Kito Cheng * config/riscv/riscv.c (riscv_first_stack_step): Round up min step to make sure stack always aligned. 2018-04-20 Carl Love PR target/83402 * config/rs6000/rs6000-c.c (rs6000_gimple_fold_builtin): Add size check for arg0. 2018-04-20 Nathan Sidwell Tom de Vries PR target/85445 * config/nvptx/nvptx.c (nvptx_emit_forking, nvptx_emit_joining): Emit insns for calls too. (nvptx_find_par): Always look for worker-level predecessor insn. (nvptx_propagate): Add is_call parm, return bool. Copy frame for calls. (nvptx_vpropagate, nvptx_wpropagate): Adjust. (nvptx_process_pars): Propagate frames for calls. 2018-04-20 H.J. Lu PR target/85469 * common/config/i386/i386-common.c (OPTION_MASK_ISA_IBT_SET): Removed. (OPTION_MASK_ISA_IBT_UNSET): Likewise. (ix86_handle_option): Don't handle OPT_mibt. * config/i386/cet.h: Check __CET__ instead of __IBT__ and __SHSTK__. * config/i386/driver-i386.c (host_detect_local_cpu): Remove has_ibt and ibt. * config/i386/i386-c.c (ix86_target_macros_internal): Don't check OPTION_MASK_ISA_IBT nor flag_cf_protection. (ix86_target_macros): Define __CET__ with flag_cf_protection for -fcf-protection. * config/i386/i386.c (isa2_opts): Remove -mibt. * config/i386/i386.h (TARGET_IBT): Removed. (TARGET_IBT_P): Likewise. (ix86_valid_target_attribute_inner_p): Don't check OPT_mibt. * config/i386/i386.md (nop_endbr): Don't check TARGET_IBT. * config/i386/i386.opt (mcet): Update help message. (mshstk): Likewise. (mibt): Removed. * doc/invoke.texi: Remove -mibt. Document __CET__. Document -mcet as an alias for -mshstk. 2018-04-20 Richard Biener PR middle-end/85475 * match.pd ((X * CST) * Y -> (X * Y) * CST): Avoid exponential complexity by forcing a single use of the multiply operand. 2018-04-20 Martin Jambor ipa/85449 * ipa-cp.c (cgraph_edge_brings_value_p): Move check for self-feeding recursion dependency to only apply to non-clones. 2018-04-20 Martin Jambor ipa/85447 * ipa-cp.c (create_specialized_node): Check that clones of self-recursive edges exist during IPA-CP. 2018-04-19 Toon Moene * doc/invoke.texi: Add -floop-unroll-and-jam to options enabled by -O3. 2018-04-19 Jakub Jelinek PR tree-optimization/85467 * fold-const.c (fold_ternary_loc) : Use VECTOR_TYPE_P macro. If type is vector type, VIEW_CONVERT_EXPR the VECTOR_CST element to type. 2018-04-19 H.J. Lu PR target/85397 * config/i386/i386.h (STACK_SAVEAREA_MODE): New. * config/i386/i386.md (builtin_setjmp_setup): Removed. (builtin_longjmp): Likewise. (save_stack_nonlocal): New pattern. (restore_stack_nonlocal): Likewise. 2018-04-19 H.J. Lu PR target/85404 * config/i386/cet.c (file_end_indicate_exec_stack_and_cet): Replace ASM_OUTPUT_LABEL with fprintf. 2018-04-19 H.J. Lu PR target/85417 * config/i386/cet.c (file_end_indicate_exec_stack_and_cet): Check flag_cf_protection instead of TARGET_IBT and TARGET_SHSTK. * config/i386/i386-c.c (ix86_target_macros_internal): Also define __IBT__ and __SHSTK__ for -fcf-protection. * config/i386/i386.c (pass_insert_endbranch::gate): Don't check TARGET_IBT. (ix86_trampoline_init): Likewise. (x86_output_mi_thunk): Likewise. (ix86_notrack_prefixed_insn_p): Likewise. (ix86_option_override_internal): Don't disallow -fcf-protection. * config/i386/i386.md (rdssp): Also enable for -fcf-protection. (incssp): Likewise. (nop_endbr): Likewise. * config/i386/i386.opt (mcet): Change help message to built-in functions only. (mibt): Likewise. (mshstk): Likewise. * doc/invoke.texi: Remove -mcet, -mibt and -mshstk condition on -fcf-protection. Change -mcet, -mibt and -mshstk to only enable CET built-in functions. 2018-04-19 Sebastian Peryt * common/config/i386/i386-common.c (OPTION_MASK_ISA_MOVDIRI_SET, OPTION_MASK_ISA_MOVDIR64B_SET, OPTION_MASK_ISA_MOVDIRI_UNSET, OPTION_MASK_ISA_MOVDIR64B_UNSET): New defines. (ix86_handle_option): Handle -mmovdiri and -mmovdir64b. * config.gcc (movdirintrin.h): New header. * config/i386/cpuid.h (bit_MOVDIRI, bit_MOVDIR64B): New bits. * config/i386/driver-i386.c (host_detect_local_cpu): Detect -mmovdiri and -mmvodir64b. * config/i386/i386-builtin-types.def ((VOID, PUNSIGNED, UNSIGNED), (VOID, PVOID, PCVOID)): New function types. * config/i386/i386-builtin.def (__builtin_ia32_directstoreu_u32, __builtin_ia32_directstoreu_u64, __builtin_ia32_movdir64b): New builtins. * config/i386/i386-c.c (__MOVDIRI__, __MOVDIR64B__): New. * config/i386/i386.c (ix86_target_string): Added -mmovdir64b and -mmovdiri. (ix86_valid_target_attribute_inner_p): Ditto. (ix86_expand_special_args_builtin): Added VOID_FTYPE_PUNSIGNED_UNSIGNED and VOID_FTYPE_PUNSIGNED_UNSIGNED. (ix86_expand_builtin): Expand IX86_BUILTIN_MOVDIR64B. * config/i386/i386.h (TARGET_MOVDIRI, TARGET_MOVDIRI_P, TARGET_MOVDIR64B, TARGET_MOVDIR64B_P): New. * config/i386/i386.md (UNSPECV_MOVDIRI, UNSPECV_MOVDIR64B): New. (movdiri, movdir64b_): New. * config/i386/i386.opt: Add -mmovdiri and -mmovdir64b. * config/i386/immintrin.h: Include movdirintrin.h. * config/i386/movdirintrin.h: New file. * doc/invoke.texi: Added -mmovdiri and -mmovdir64b. 2018-04-19 Richard Biener PR middle-end/85455 * cfg.c (clear_bb_flags): When loop state says we have marked irreducible regions also preserve BB_IRREDUCIBLE_LOOP. 2018-04-19 Richard Biener PR tree-optimization/84737 * tree-vect-data-refs.c (vect_copy_ref_info): New function copying restrict info. (vect_setup_realignment): Use it. * tree-vectorizer.h (vect_copy_ref_info): Declare. * tree-vect-stmts.c (vectorizable_store): Copy ref info from the first DR to all generated stores. (vectorizable_load): Likewise for loads. 2018-04-19 Jakub Jelinek PR tree-optimization/85446 * match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Require the integral and pointer types to have the same precision. * doc/install.texi: Document --disable-cet being the default and --enable-cet=auto. 2018-04-18 Martin Liska * ipa-devirt.c (odr_subtypes_equivalent_p): Fix GNU coding style. 2018-04-18 Martin Liska Revert 2018-03-02 Eric Botcazou PR ipa/83983 * ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both arguments if they are comparable. 2018-04-18 Martin Liska Revert 2018-03-13 Eric Botcazou PR lto/84805 * ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of incomplete types. 2018-04-18 H.J. Lu PR target/85388 * config/i386/i386.c (ix86_expand_split_stack_prologue): Insert ENDBR after calling __morestack. 2018-04-18 David Malcolm PR jit/85384 * configure.ac (gcc-driver-name.h): Honor --with-gcc-major-version by using gcc_base_ver to generate a gcc_driver_version, and use it when generating GCC_DRIVER_NAME. * configure: Regenerate. 2018-04-18 Jakub Jelinek PR target/81084 * config.gcc: Obsolete powerpc*-*-*spe*. 2018-04-17 Jakub Jelinek PR debug/84637 * dbxout.c (dbxout_int): Perform negation in unsigned int type. (stabstr_D): Change type of unum from unsigned int to unsigned HOST_WIDE_INT. Perform negation in unsigned HOST_WIDE_INT type. 2018-04-17 Jim Wilson PR 84856 * config/riscv/riscv.c (riscv_compute_frame_info): Add calls to RISCV_STACK_ALIGN when using outgoing_args_size and pretend_args_size. Set arg_pointer_offset after using pretend_args_size. 2018-04-17 Jakub Jelinek PR rtl-optimization/85431 * dse.c (record_store): Ignore zero width stores. PR sanitizer/85230 * asan.c (handle_builtin_stack_restore): Adjust comment. Emit __asan_allocas_unpoison call and last_alloca_addr = new_sp before __builtin_stack_restore rather than after it. * builtins.c (expand_asan_emit_allocas_unpoison): Pass arg1 + (virtual_dynamic_stack_rtx - stack_pointer_rtx) as second argument instead of virtual_dynamic_stack_rtx. 2018-04-17 Kelvin Nilsen * config/rs6000/rs6000-protos.h (rs6000_builtin_is_supported_p): New prototype. * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add note to error message to explain internal mapping of overloaded built-in function name to non-overloaded built-in function name. * config/rs6000/rs6000.c (rs6000_builtin_is_supported_p): New function. 2018-04-17 Michael Meissner PR target/85424 * config/rs6000/rs6000.md (pack): Do not try handle a pack where the inputs overlap with the output. 2018-04-17 Jakub Jelinek * config/i386/sse.md (vec_extract_lo_): Add (=v, v) alternative and explicit "memory" attribute. (vec_extract_lo_): Likewise. Also add "type", "prefix", "prefix_extra", "length_immediate" and "mode" attributes. (vec_extract_lo_): Add (=v, v) alternative and use "sselog1" type instead of "sselog". (vec_extract_hi_): Use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_lo_v32hi): Add (=v, v) alternative and explicit "memory", "type", "prefix", "prefix_extra", "length_immediate" and "mode" attributes. (vec_extract_hi_v32hi): Merge all alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_hi_v16hi): Merge each pair of alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_lo_v64qi): Add (=v, v) alternative and explicit "memory", "type", "prefix", "prefix_extra", "length_immediate" and "mode" attributes. (vec_extract_hi_v64qi): Merge all alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. (vec_extract_hi_v32qi): Merge each pair of alternatives into one, use "sselog1" type instead of "sselog". Remove explicit "memory" attribute. PR target/85430 * config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu. PR middle-end/85414 * rtlhooks.c (gen_lowpart_if_possible): Don't call gen_lowpart_SUBREG on a SUBREG. 2018-04-17 Martin Jambor PR ipa/85421 * ipa-cp.c (create_specialized_node): Call expand_all_artificial_thunks if necessary. 2018-04-17 Martin Liska PR lto/85405 * ipa-devirt.c (odr_types_equivalent_p): Remove trailing in message, remote space in between '_G' and '('. 2018-04-17 Jakub Jelinek PR target/85281 * config/i386/sse.md (reduces, avx512f_vmcmp3, avx512f_vmcmp3_mask, avx512f_sgetexp, avx512f_rndscale, avx512dq_ranges, avx512f_vgetmant): Use %2 instead of %2 for -masm=intel. (avx512f_vcvtss2usi, avx512f_vcvtss2usiq, avx512f_vcvttss2usi, avx512f_vcvttss2usiq): Use %k1 instead of %1 for -masm=intel. (avx512f_vcvtsd2usi, avx512f_vcvtsd2usiq, avx512f_vcvttsd2usi, avx512f_vcvttsd2usiq, ufloatv2siv2df2): Use %q1 instead of %1 for -masm=intel. (avx512f_sfixupimm, avx512f_sfixupimm_mask): Use %3 instead of %3 for -masm=intel. (sse2_shufpd_v2df_mask): Fix a typo, change %{6%} to %{%6%} for -masm=intel. (*avx512vl_v2div2qi2_store): Use %w0 instead of %0 for -masm=intel. (*avx512vl_v4qi2_store): Use %k0 instead of %0 for -masm=intel. (avx512vl_v4qi2_mask_store): Use a single pattern with %k0 and %1 for -masm=intel rather than two patterns, one with %0 and %g1. (*avx512vl_v8qi2_store): Use %q0 instead of %0 for -masm=intel. (avx512vl_v8qi2_mask_store): Use a single pattern with %q0 and %1 for -masm=intel rather than two patterns, one with %0 and %g1 and one with %0 and %1. (avx512er_vmrcp28, avx512er_vmrsqrt28): Use %1 instead of %1 for -masm=intel. (avx5124fmaddps_4fmaddps_mask, avx5124fmaddps_4fmaddss_mask, avx5124fmaddps_4fnmaddps_mask, avx5124fmaddps_4fnmaddss_mask, avx5124vnniw_vp4dpwssd_mask, avx5124vnniw_vp4dpwssds_mask): Swap order of %0 and %{%4%} for -masm=intel. (avx5124fmaddps_4fmaddps_maskz, avx5124fmaddps_4fmaddss_maskz, avx5124fmaddps_4fnmaddps_maskz, avx5124fmaddps_4fnmaddss_maskz, avx5124vnniw_vp4dpwssd_maskz, avx5124vnniw_vp4dpwssds_maskz): Swap order of %0 and %{%5%}%{z%} for -masm=intel. 2018-04-17 Jan Hubicka PR lto/85405 * ipa-devirt.c (odr_types_equivalent_p): Handle bit fields. 2018-04-17 Martin Liska PR ipa/85329 * multiple_target.c (create_dispatcher_calls): Set apostrophes for target_clone error message. Make default implementation clone to be a local declaration. (separate_attrs): Add new argument and check for an empty string. (expand_target_clones): Handle it. (ipa_target_clone): Make redirection just for target_clones functions. 2018-04-16 Cesar Philippidis Tom de Vries PR middle-end/84955 * omp-expand.c (expand_oacc_for): Add dummy false branch for tiled basic blocks without omp continue statements. 2018-04-16 Aaron Sawdey PR target/83660 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Mark vec_extract expression as having side effects to make sure it gets a cleanup point. 2018-04-16 H.J. Lu PR target/85403 * config/i386/i386.c (get_builtin_code_for_version): Check error_mark_node. 2018-04-16 Olga Makhotina PR target/84331 * gcc/config.gcc: Support "skylake". * gcc/config/i386/i386-c.c (ix86_target_macros_internal): Handle PROCESSOR_SKYLAKE. * gcc/config/i386/i386.c (m_SKYLAKE): Define. (processor_target_table): Add "skylake". (ix86_option_override_internal): Add "skylake". (get_builtin_code_for_version): Handle PROCESSOR_SKYLAKE, PROCESSOR_CANNONLAKE. (get_builtin_code_for_version): Fix priority for PROCESSOR_ICELAKE_CLIENT, PROCESSOR_ICELAKE_SERVER, PROCESSOR_SKYLAKE-AVX512. * gcc/config/i386/i386.h (processor_costs): Define TARGET_SKYLAKE. (processor_type): Add PROCESSOR_SKYLAKE. 2018-04-16 Paolo Carlini Jason Merrill PR c++/85112 * convert.c (convert_to_integer_1): Use direct recursion for enumeral types and types with a precision less than the number of bits in their mode. 2018-04-16 Julia Koval PR target/84413 * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL, X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL): Add m_SKYLAKE_AVX512 2018-04-14 Segher Boessenkool PR target/85293 * config/rs6000/rs6000.opt (mdirect-move): Make deprecated. * doc/invoke.texi (RS/6000 and PowerPC Options): Remove -mdirect-move and -mno-direct-move. 2018-04-13 Paul A. Clarke PR target/83402 * config/rs6000/emmintrin.h (_mm_slli_epi{16,32,64}): Ensure that vec_splat_s32 is only called with 0 <= shift < 16. Ensure negative shifts result in {0}. 2018-04-13 Vladimir Makarov PR rtl-optimization/79916 * config/rs6000/rs6000.c (rs6000_emit_move): Use assigned hard regs (if any) to define how to gnerate SD moves when LRA is in progress. 2018-04-13 Jakub Jelinek PR rtl-optimization/85393 * except.h (expand_dw2_landing_pad_for_region): Remove declaration. * except.c (expand_dw2_landing_pad_for_region): Make static. * bb-reorder.c (fix_up_crossing_landing_pad): In new_bb emit just a label and unconditional jump to old_bb, rather than expand_dw2_landing_pad_for_region insn(s) and jump to single_succ basic block. PR rtl-optimization/85376 * simplify-rtx.c (simplify_const_unary_operation): For CLZ and CTZ and zero op0, if C?Z_DEFINED_VALUE_AT_ZERO is false, return NULL_RTX instead of a specific value. 2018-04-13 Jan Hubicka Bin Cheng PR tree-optimization/82965 PR tree-optimization/83991 * cfgloopanal.c (expected_loop_iterations_unbounded): Add by_profile_only parameter. * cfgloopmanip.c (scale_loop_profile): Further scale loop's profile information if the loop was predicted to iterate too many times. * cfgloop.h (expected_loop_iterations_unbounded): Update prototype 2018-04-13 Jan Hubicka PR lto/71991 * config/i386/i386.c (ix86_can_inline_p): Allow safe transitions for always inline. 2018-04-13 Martin Liska Jakub Jelinek PR middle-end/81657 * expr.h (enum block_op_methods): Add BLOCK_OP_NO_LIBCALL_RET. * expr.c (emit_block_move_hints): Handle BLOCK_OP_NO_LIBCALL_RET. * builtins.c (expand_builtin_memory_copy_args): Use BLOCK_OP_NO_LIBCALL_RET method for mempcpy with non-ignored target, handle dest_addr == pc_rtx. 2018-04-12 Segher Boessenkool PR target/85291 * config/rs6000/rs6000.md (fix_truncsi2): Use legacy code if asked to not generate direct moves. (fix_truncsi2_stfiwx): Similar. (fix_truncsi2_internal): Similar. 2018-04-12 Jakub Jelinek PR debug/83157 * var-tracking.c (add_stores): Handle STRICT_LOW_PART SET_DEST. * cselib.c (cselib_record_sets): For STRICT_LOW_PART dest, lookup if dest in some wider mode is known to be const0_rtx and if so, record permanent equivalence for it to be ZERO_EXTEND of the narrower mode destination. 2018-04-12 Cesar Philippidis * lto-streamer-out.c (output_function): Revert 259346. * omp-expand.c (expand_oacc_for): Likewise. 2018-04-12 Alexander Monakov PR rtl-optimization/85354 * sel-sched-ir.c (sel_init_pipelining): Move cfg_cleanup call... * sel-sched.c (sel_global_init): ... here. 2018-04-12 Eric Botcazou PR target/85238 * lto-wrapper.c (debug_objcopy): Open the files in binary mode. * dwarf2out.c (dwarf2out_early_finish): Do not generate assembly in LTO mode for PE-COFF targets. * config/i386/i386-protos.h (i386_pe_asm_lto_start): Declare. (i386_pe_asm_lto_end): Likewise. * config/i386/cygming.h (TARGET_ASM_LTO_START): Define. (TARGET_ASM_LTO_END): Likewise. * config/i386/winnt.c (saved_debug_info_level): New static variable. (i386_pe_asm_lto_start): New function. (i386_pe_asm_lto_end): Likewise. 2018-04-12 Cesar Philippidis Richard Biener PR middle-end/84955 * lto-streamer-out.c (output_function): Fix CFG loop state before streaming out. * omp-expand.c (expand_oacc_for): Handle calls to internal functions like regular functions. 2018-04-12 Richard Biener PR lto/85371 * dwarf2out.c (init_sections_and_labels): Use debug_line_section[_label] for the early LTO debug to properly generate references to it during DIE emission. Do not re-use that for the skeleton for split-dwarf. (dwarf2out_early_finish): Likewise. 2018-04-12 Jakub Jelinek PR target/85328 * config/i386/sse.md (avx512dq_vextract64x2_1 split, avx512f_vextract32x4_1 split, vec_extract_lo_ split, vec_extract_lo_v32hi, vec_extract_lo_v64qi): For non-AVX512VL if input is xmm16+ reg and output is a reg, avoid creating invalid lowpart subreg, but instead split into a 512-bit move. Don't split if not AVX512VL, input is xmm16+ reg and output is a mem. (vec_extract_lo_, vec_extract_lo_v32hi, vec_extract_lo_v64qi): Don't require split if not AVX512VL, input is xmm16+ reg and output is a mem. 2018-04-12 Andreas Krebbel * config/s390/s390.c (s390_output_indirect_thunk_function): Check also for flag_dwarf2_cfi_asm. 2018-04-12 Jakub Jelinek PR rtl-optimization/85342 * regcprop.c (copyprop_hardreg_forward_1): Remove replaced array, use a bool scalar var inside of the loop instead. Don't try to update recog_data.operand after failed apply_change_group. 2018-04-12 Tom de Vries PR target/85296 * config/nvptx/nvptx.c (flexible_array_member_type_p): New function. (nvptx_assemble_decl_begin): Add undefined param. Declare undefined array with flexible array member as array without given dimension. (nvptx_assemble_undefined_decl): Set nvptx_assemble_decl_begin call argument for undefined param to true. 2018-04-11 Aaron Sawdey PR target/85321 * doc/invoke.texi (RS/6000 and PowerPC Options): Document options -mcall- and -mtraceback=. Remove options -mabi=spe and -mabi=no-spe from PowerPC section. * config/rs6000/sysv4.opt (mcall-): Improve help text. * config/rs6000/rs6000.opt (mblock-compare-inline-limit=): Trim help text that is too long. * config/rs6000/rs6000.opt (mblock-compare-inline-loop-limit=): Trim help text that is too long. * config/rs6000/rs6000.opt (mstring-compare-inline-limit=): Trim help text that is too long. 2018-04-11 Uros Bizjak * config/alpha/alpha.md (stack_probe_internal): Rename from "probe_stack". Update all callers. 2018-04-11 Alexander Monakov PR rtl-optimization/84566 * sched-deps.c (sched_analyze_insn): Check deps->readonly when invoking sched_macro_fuse_insns. 2018-04-11 Alexander Monakov PR target/84301 * sched-rgn.c (add_branch_dependences): Move sel_sched_p check here... (compute_block_dependences): ... from here. 2018-04-11 Jakub Jelinek PR tree-optimization/85331 * vec-perm-indices.h (vec_perm_indices::clamp): Change input type from int to HOST_WIDE_INT. 2018-04-11 Martin Jambor PR ipa/84149 * ipa-cp.c (propagate_vals_across_pass_through): Expand comment. (cgraph_edge_brings_value_p): New parameter dest_val, check if it is not the same as the source val. (cgraph_edge_brings_value_p): New parameter. (gather_edges_for_value): Pass destination value to cgraph_edge_brings_value_p. (perhaps_add_new_callers): Likewise. (get_info_about_necessary_edges): Likewise and exclude values brought only by self-recursive edges. (create_specialized_node): Redirect only clones of self-calling edges. (+self_recursive_pass_through_p): New function. (find_more_scalar_values_for_callers_subset): Use it. (find_aggregate_values_for_callers_subset): Likewise. (known_aggs_to_agg_replacement_list): Removed. (decide_whether_version_node): Re-calculate known constants for all remaining context clones. 2018-04-11 Richard Biener PR lto/85339 * dwarf2out.c (dwarf2out_finish): Remove DW_AT_stmt_list attribute from early DWARF output. (dwarf2out_early_finish): Output line info unconditionally into early DWARF and add reference to it. 2018-04-11 Jakub Jelinek PR target/85281 * config/i386/sse.md (iptr): Add V16SFmode and V8DFmode cases. (_vec_dup): Use a single pattern for modes other than V2DFmode using iptr mode attribute. (_vec_dup): Use iptr mode attribute. 2018-04-11 Alexander Monakov PR rtl-optimization/84659 * sel-sched-ir.c (sel_init_pipelining): Invoke cleanup_cfg. 2018-04-11 Jakub Jelinek PR debug/85302 * dwarf2out.c (skip_loc_list_entry): Don't call size_of_locs if SIZEP is NULL. (output_loc_list): Pass address of a dummy size variable even in the locview handling loop. (index_location_lists): Add comment on why skip_loc_list_entry can't call size_of_locs. 2018-04-11 Thomas Preud'homme PR target/85261 * config/arm/arm-builtins.c (arm_expand_builtin): Force input operand into register. 2018-04-10 Aaron Sawdey PR target/85321 * doc/invoke.texi (RS/6000 and PowerPC Options): Document options -mblock-compare-inline-limit, -mblock-compare-inline-loop-limit, and -mstring-compare-inline-limit. 2018-04-10 Segher Boessenkool PR target/85287 * gcc/config/rs6000/rs6000.md (allocate_stack): Put the residual size for stack clash protection in a register whenever we need it to be in a register. 2018-04-10 Segher Boessenkool * common/config/rs6000/rs6000-common.c (rs6000_option_init_struct): Enable -fasynchronous-unwind-tables by default if OBJECT_FORMAT_ELF. 2018-04-10 Segher Boessenkool PR target/85321 * config/rs6000/rs6000.opt (mtraceback=): Show the allowed values in the help text. (mlong-double-): Ditto. * config/rs6000/sysv4.opt (msdata=): Ditto. (mtls-size=): Ditto. 2018-04-10 Kelvin Nilsen * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove erroneous entries for "vector int vec_ldl (int, long int *)", and "vector unsigned int vec_ldl (int, unsigned long int *)". Add comments and entries for "vector bool char vec_ldl (int, bool char *)", "vector bool short vec_ldl (int, bool short *)", "vector bool int vec_ldl (int, bool int *)", "vector bool long long vec_ldl (int, bool long long *)", "vector pixel vec_ldl (int, pixel *)", "vector long long vec_ldl (int, long long *)", "vector unsigned long long vec_ldl (int, unsigned long long *)". * config/rs6000/rs6000.c (rs6000_init_builtins): Initialize new type tree bool_long_long_type_node and correct definition of bool_V2DI_type_node to make reference to this new type tree. (rs6000_mangle_type): Replace erroneous reference to bool_long_type_node with bool_long_long_type_node. * config/rs6000/rs6000.h (enum rs6000_builtin_type_index): Add comments to emphasize sign distinctions for char and int types and replace RS6000_BTI_bool_long constant with RS6000_BTI_bool_long_long constant. Also add comment to restrict use of RS6000_BTI_pixel. (bool_long_type_node): Remove this macro definition. (bool_long_long_type_node): New macro definition 2018-04-10 Jakub Jelinek PR rtl-optimization/85300 * combine.c (subst): Handle subst of CONST_SCALAR_INT_P new_rtx also into FLOAT and UNSIGNED_FLOAT like ZERO_EXTEND, return a CLOBBER if simplify_unary_operation fails. 2018-04-10 Martin Liska * gdbhooks.py: Add pretty-printers for varpool_node, symtab_node, cgraph_edge and ipa_ref. 2018-04-10 Jakub Jelinek PR target/85177 PR target/85255 * config/i386/sse.md (_vinsert_mask): Fix computation of the VEC_MERGE selector from mask. (_vinsert_1): Fix decoding of the VEC_MERGE selector into mask. 2018-04-10 Richard Sandiford PR tree-optimization/85286 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): 2018-04-10 Richard Sandiford * final.c (final_1): Set insn_last_address as well as insn_current_address. 2018-04-10 Kyrylo Tkachov PR target/85173 * explow.c (emit_stack_probe): Call validize_mem on memory location before passing it to gen_probe_stack. Create address operand and legitimize it for the probe_stack_address case. 2018-04-09 Jan Hubicka PR lto/85078 * ipa-devirt.c (rebuild_type_inheritance-hash): New. * ipa-utils.h (rebuild_type_inheritance-hash): Declare. * tree.c (free_lang_data_in_type): Fix handling of binfos; walk basetypes. (free_lang_data): Rebuild type inheritance graph. 2018-04-09 Martin Sebor * invoke.texi (-finline-small-functions): Mention other optimization options. (-findirect-inlining, -fpartial-inlining): Same. (-finline-functions-called-once): Same. (-freorder-blocks-and-partition): Same. 2018-04-09 Jan Hubicka PR rtl/84058 * cfgcleanup.c (try_forward_edges): Do not give up on crossing jumps; choose last target that matches the criteria (i.e. no partition changes for non-crossing jumps). * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Add basic support for redirecting crossing jumps to non-crossing. 2018-04-09 Alexey Brodkin * config/arc/arc.c (arc_expand_prologue): Set stack usage info also for naked functions. 2018-04-09 Claudiu Zissulescu * config/arc/arc.md (add_shift): New pattern. (add_shift2): Likewise. (sub_shift): Likewise. (sub_shift_cmp0_noout): Likewise. (compare_si_ashiftsi): Likewise. (xbfu_cmp0_noout): New combine pattern. (xbfu_cmp0"): Likewise. (movsi_set_cc_insn): Place the predicable variant first. (commutative_binary_cmp0_noout): Remove clobber. (commutative_binary_cmp0): New pattern. (noncommutative_binary_cmp0): Likewise. (noncommutative_binary_cmp0_noout): Likewise. (noncommutative_binary_comparison_result_used): Removed. (rsub_cmp0): New pattern. (rsub_cmp0_noout): Likewise. (extzvsi): Changed, keep only meaningful variants. (SQH, SEZ): New iterators. (SQH_postfix): New mode attribute. (SEZ_prefix): New code attribute. (xt_cmp0_noout): New instruction pattern. (xt_cmp0): Likewise. * config/arc/predicates.md (cc_set_register): Use CC_REG instead of numerical value. (noncommutative_operator): Check the availability of barrel shifter option. 2018-04-09 Richard Biener PR tree-optimization/85284 * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): Only use the niter constraining form of simple_iv when the exit is always executed. 2018-04-09 Tom de Vries PR target/84041 * config/nvptx/nvptx.md (define_c_enum "unspecv"): Add UNSPECV_MEMBAR. (define_expand "*memory_barrier"): New define_expand. (define_insn "memory_barrier"): New insn. 2018-04-09 Andrey Belevantsev PR rtl-optimization/80463 PR rtl-optimization/83972 PR rtl-optimization/83480 * sel-sched-ir.c (has_dependence_note_mem_dep): Take into account the correct producer for the insn. (tidy_control_flow): Fixup seqnos in case of debug insns. 2018-04-09 Andrey Belevantsev PR rtl-optimization/83913 * sel-sched-ir.c (merge_expr_data): Choose the middle between two different sched-times when merging exprs. 2018-04-09 Andrey Belevantsev PR rtl-optimization/83962 * sel-sched-ir.c (tidy_control_flow): Correct the order in which we call tidy_fallthru_edge and tidy_control_flow. 2018-04-09 Andrey Belevantsev PR rtl-optimization/83530 * sel-sched.c (force_next_insn): New global variable. (remove_insn_for_debug): When force_next_insn is true, also leave only next insn in the ready list. (sel_sched_region): When the region wasn't scheduled, make another pass over it with force_next_insn set to 1. 2018-04-08 Monk Chiang * config.gcc (nds32le-*-*, nds32be-*-*): Add nds32/nds32_intrinsic.h into tm_file. * config/nds32/constants.md (unspec_volatile_element): Add enum values for interrupt control. * config/nds32/nds32-intrinsic.c: Implementation of intrinsic functions for interrupt control. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. 2018-04-08 Chung-Ju Wu * config/nds32/nds32.c (nds32_init_machine_status, nds32_legitimate_index_p, nds32_legitimate_address_p): Consider strict_aligned_p field. (nds32_expand_to_rtl_hook): New function. (TARGET_EXPAND_TO_RTL_HOOK): Define. * config/nds32/nds32.h (machine_function): Add strict_aligned_p field. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n7 is valid to --with-cpu. * config/nds32/nds32-n7.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N7. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n7 pipeline. * config/nds32/nds32-protos.h: More declarations for n7 pipeline. * config/nds32/nds32.md (pipeline_model): Add n7. * config/nds32/nds32.opt (mcpu): Support n7 pipeline cpus. * config/nds32/pipelines.md: Include n7 settings. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that e8 is valid to --with-cpu. * config/nds32/nds32-e8.md: New file. * config/nds32/nds32-opts.h (nds32-cpu_type): Add CPU_E8. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for e8 pipeline. * config/nds32/nds32-protos.h: More declarations for e8 pipeline. * config/nds32/nds32.md (pipeline_model): Add e8. * config/nds32/nds32.opt (mcpu): Support e8 pipeline cpus. * config/nds32/pipelines.md: Include e8 settings. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*-*-*): Check that n6/n8/s8 are valid to --with-cpu. * config/nds32/nds32-n8.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type): Add CPU_N6 and CPU_N8. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n8 pipeline. * config/nds32/nds32-protos.h: More declarations for n8 pipeline. * config/nds32/nds32-utils.c: More implementations for n8 pipeline. * config/nds32/nds32.md (pipeline_model): Add n8. * config/nds32/nds32.opt (mcpu): Support n8 pipeline cpus. * config/nds32/pipelines.md: Include n8 settings. 2018-04-08 Kito Cheng Chung-Ju Wu * config.gcc (nds32*): Add nds32-utils.o into extra_objs. * config/nds32/nds32-n9-2r1w.md: New file. * config/nds32/nds32-n9-3r2w.md: New file. * config/nds32/nds32-opts.h (nds32_cpu_type, nds32_mul_type, nds32_register_ports): New or modify for cpu n9. * config/nds32/nds32-pipelines-auxiliary.c: Implementation for n9 pipeline. * config/nds32/nds32-protos.h: More declarations for n9 pipeline. * config/nds32/nds32-utils.c: New file. * config/nds32/nds32.h (TARGET_PIPELINE_N9, TARGET_PIPELINE_SIMPLE, TARGET_MUL_SLOW): Define. * config/nds32/nds32.md (pipeline_model): New attribute. * config/nds32/nds32.opt (mcpu, mconfig-mul, mconfig-register-ports): New options that support cpu n9. * config/nds32/pipelines.md: Include n9 settings. * config/nds32/t-nds32 (nds32-utils.o): Add dependency. 2018-04-08 Chung-Ju Wu * config/nds32/nds32-md-auxiliary.c (output_cond_branch): Output align information if necessary. (output_cond_branch_compare_zero): Likewise. * config/nds32/nds32.c (nds32_adjust_insn_length): Consider align case. (nds32_target_alignment): Refine for alignment. * config/nds32/nds32.h (NDS32_ALIGN_P): Define. (FUNCTION_BOUNDARY): Modify. * config/nds32/nds32.md (call_internal, call_value_internal): Consider align case. * config/nds32/nds32.opt (malways-align, malign-functions): New. 2018-04-08 Monk Chiang * config/nds32/constants.md (unspec_volatile_element): Add values for TLB operation and data prefetch. * config/nds32/nds32-intrinsic.c: Implementation of intrinsic functions for TLB operation and data prefetch. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.c (nds32_dpref_names): Likewise. (nds32_print_operand): Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. 2018-04-07 Thomas Koenig Andrew Pinski PR middle-end/82976 * match.pd: Use constant_boolean_node of correct type instead of boolean_true_node or boolean_false_node for simplifying pointer comparisons to zero. 2018-04-07 Jakub Jelinek PR tree-optimization/80021 * tree.c (verify_type_variant): Make error call in verify_variant_match translatable and remove final full stop. 2018-04-07 Chung-Ju Wu * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_EH_RETURN. * config/nds32/nds32-md-auxiliary.c (nds32_output_stack_push, nds32_output_stack_pop): Support dwarf exception handling process. * config/nds32/nds32-protos.h (nds32_dynamic_chain_address): Declare. * config/nds32/nds32.c (nds32_init_machine_status): Support dwarf exception handling process. (nds32_compute_stack_frame): Likewise. (nds32_return_addr_rtx): Likewise. (nds32_initial_elimination_offset): Likewise. (nds32_expand_prologue): Likewise. (nds32_expand_epilogue): Likewise. (nds32_dynamic_chain_address): New function. * config/nds32/nds32.h (machine_function): Add fields for dwarf exception handling. (DYNAMIC_CHAIN_ADDRESS): Define. (EH_RETURN_DATA_REGNO): Define. (EH_RETURN_STACKADJ_RTX): Define. * config/nds32/nds32.md (eh_return, nds32_eh_return): Implement patterns for dwarf exception handling. 2018-04-07 Chung-Ju Wu * config/nds32/nds32.h: Clean up obsolete macros. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_element, unspec_volatile_element): Add enum values for particular instructions. * config/nds32/nds32-intrinsic.c: Implementation of expanding particular intrinsic functions. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. * config/nds32/nds32.md (type): Add pbsad and pbsada. (btst, ave): New patterns for particular instructions. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_element, unspec_volatile_element): Add enum values for atomic load/store and memory sync. * config/nds32/nds32-intrinsic.c: Implementation for atomic load/store and memory sync. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32_intrinsic.h: Likewise. * config/nds32/nds32.h (nds32_builtins): Likewise. 2018-04-07 Jakub Jelinek PR tree-optimization/85257 * fold-const.c (native_encode_vector): If not all elts could fit and off is -1, return 0 rather than offset. * tree-ssa-sccvn.c (vn_reference_lookup_3): Pass (offseti - offset2) / BITS_PER_UNIT as 4th argument to native_encode_expr. Verify len * BITS_PER_UNIT >= maxsizei. Don't adjust buffer in native_interpret_expr call. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_volatile_element): Add cache control enum values. * config/nds32/nds32-intrinsic.c: Add cache control expand functions. * config/nds32/nds32-intrinsic.md: Add cache control patterns. * config/nds32/nds32.c (nds32_cctl_names): New. (nds32_print_operand): Handle cache control register names. * config/nds32/nds32.h (nds32_builtins): New enum values. * config/nds32/nds32_intrinsic.h: Add cache control enum types and macros. * config/nds32/nds32.md (type): Add mmu. * config/nds32/pipelines.md (simple_insn): Add mmu. 2018-04-07 Chung-Ju Wu * config/nds32/nds32.md (type): Remove call. * config/nds32/pipelines.md (simple_insn): Likewise. 2018-04-07 Monk Chiang * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_FMFCSR, UNSPEC_VOLATILE_FMTCSR and UNSPEC_VOLATILE_FMFCFG. * config/nds32/nds32-intrinsic.c (bdesc_noarg): New builtin description for fmfcfg and fmfcsr. (bdesc_1arg): Add fmtcsr. (bdesc_2arg): Add fcpynss, fcpyss, fcpynsd and fcpysd. (nds32_expand_builtin_impl): Deal with FPU intrinsic functions. * config/nds32/nds32-intrinsic.md (unspec_fcpynsd, unspec_fcpysd, unspec_fcpynss, unspec_fcpysd, unspec_fcpyss, unspec_fmfcsr, unspec_fmfcfg): New patterns. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FMFCFG, NDS32_BUILTIN_FMFCSR, NDS32_BUILTIN_FMTCSR, NDS32_BUILTIN_FCPYNSS, NDS32_BUILTIN_FCPYSS,NDS32_BUILTIN_FCPYNSD and NDS32_BUILTIN_FCPYSD. * config/nds32/nds32_intrinsic.h (__nds32__fcpynsd, __nds32__fcpynss, __nds32__fcpysd, __nds32__fcpyss, __nds32__fmfcsr, __nds32__fmtcsr, __nds32__fmfcfg): Define. 2018-04-07 Monk Chiang * config/nds32/nds32.c (nds32_intrinsic_register_names): Add more intrinsic register names. * config/nds32/nds32_intrinsic.h (nds32_intrinsic_registers): Add more intrinsic register enum values and macros. 2018-04-07 Chung-Ju Wu * config/nds32/nds32.c (nds32_legitimate_index_p): Modify condition for load/store addressing form. (nds32_print_operand_address): Likewise. 2018-04-06 Eric Botcazou PR target/85196 * config/sparc/sparc.c (sparc_expand_move): Deal with symbolic operands based on LABEL_REF. Remove useless assertion. (pic_address_needs_scratch): Fix formatting. (sparc_legitimize_pic_address): Minor tweaks. (sparc_delegitimize_address): Adjust assertion accordingly. * config/sparc/sparc.md (movsi_pic_label_ref): Change label_ref_operand into symbolic_operand. (movsi_high_pic_label_ref): Likewise. (movsi_lo_sum_pic_label_ref): Likewise. (movdi_pic_label_ref): Likewise. (movdi_high_pic_label_ref): Likewise. (movdi_lo_sum_pic_label_ref): Likewise. 2018-04-06 Amaan Cheval * config.gcc (x86_64-*-rtems*): Add rtems.h to tm_file for custom LIB_SPEC setup. 2018-04-06 Ruslan Bukin Kito Cheng * config.gcc (riscv*-*-freebsd*): Add RISC-V FreeBSD support. * config/riscv/freebsd.h: New. 2018-04-06 Chung-Ju Wu * config/nds32/nds32.c (nds32_adjust_insn_length): Refine. * config/nds32/nds32.h (ADJUST_INSN_LENGTH): Change the location in file. 2018-04-06 Chung-Ju Wu Kito Cheng * config/nds32/nds32-md-auxiliary.c (nds32_output_return, nds32_output_call, nds32_symbol_binds_local_p): New functions. * config/nds32/nds32-protos.h (nds32_output_call, nds32_output_return): Declare. * config/nds32/nds32.md: Refine all the call and return patterns. 2018-04-06 Jakub Jelinek PR debug/85252 * dwarf2out.c (rtl_for_decl_init): For STRING_CST initializer only build CONST_STRING if TYPE_MAX_VALUE is non-NULL and is INTEGER_CST. PR rtl-optimization/84872 * cfgloopmanip.c (create_preheader): Use make_forwarder_block even if nentry == 1 when CP_FALLTHRU_PREHEADERS and single_entry is EDGE_CROSSING edge. 2018-04-06 Tamar Christina * expr.c (copy_blkmode_to_reg): Revert 254862. * doc/sourcebuild.texi (word_mode_no_slow_unalign): Likewise. 2018-04-06 Richard Biener PR middle-end/85244 * tree-dfa.c (get_ref_base_and_extent): Reset seen_variable_array_ref after seeing a component reference with an adjacent field. Treat refs to arrays at struct end of external decls similar to refs to unconstrained commons. 2018-04-06 Jakub Jelinek PR sanitizer/85213 * fold-const.c (twoval_comparison_p): Remove SAVE_P argument and don't look through SAVE_EXPRs with non-side-effects argument. Adjust recursive calls. (fold_comparison): Adjust twoval_comparison_p caller, don't handle save_p here. 2018-04-06 Richard Biener PR middle-end/85180 * alias.c (find_base_term): New wrapper around find_base_term unwinding CSELIB_VAL_PTR changes. (find_base_term): Do not restore CSELIB_VAL_PTR during the recursion. 2018-04-06 Andreas Krebbel * config/s390/s390.c (s390_z10_optimize_cmp): Expand dedicated NOP instructions. * config/s390/s390.md (UNSPECV_NOP_LR_0, UNSPECV_NOP_LR_1): New constant definitions. ("nop"): lr 0,0 -> nopr r0 ("nop_lr0", "nop_lr1"): New insn definitions. 2018-04-06 Chung-Ju Wu * config/nds32/nds32.md (*stack_push, *stack_pop): Use NDS32_V3PUSH_AVAILABLE_P macro. 2018-04-06 Monk Chiang Chung-Ju Wu * config.gcc (nds32*-*-*): Add v2j v3f v3s checking. (nds32*-*-*): Add float and fpu_config into supported_defaults. * common/config/nds32/nds32-common.c (TARGET_DEFAULT_TARGET_FLAGS): Include TARGET_DEFAULT_FPU_ISA and TARGET_DEFAULT_FPU_FMA. * config/nds32/constants.md (unspec_element): Add UNSPEC_COPYSIGN, UNSPEC_FCPYNSD, UNSPEC_FCPYNSS, UNSPEC_FCPYSD and UNSPEC_FCPYSS. * config/nds32/constraints.md: New constraints and checking for hard float configuration. * config/nds32/iterators.md: New mode iterator and attribute for hard float configuration. * config/nds32/nds32-doubleword.md: Use hard float alternatives and patterns. * config/nds32/nds32-fpu.md: New file. * config/nds32/nds32-md-auxiliary.c: New functions and checkings to deal with hard float code generation. * config/nds32/nds32-opts.h (nds32_arch_type): Add ARCH_V3F and ARCH_V3S. (abi_type, float_reg_number): New enum type. * config/nds32/nds32-predicates.c: New predicates for hard float. * config/nds32/nds32-protos.h: Declare functions for hard float. * config/nds32/nds32.c: Implementation for hard float configuration. * config/nds32/nds32.h: Definitions for hard float configuration. * config/nds32/nds32.md: Include hard float machine description and modify patterns for hard float configuration. * config/nds32/nds32.opt: New options for hard float configuration. * config/nds32/predicates.md: New predicates for hard float configuration. 2018-04-06 Kuan-Lin Chen * common/config/nds32/nds32-common.c (nds32_option_optimization_table): Enable -mreleax-hint by default. 2018-04-05 Jakub Jelinek PR middle-end/85195 * match.pd (BIT_FIELD_REF CONSTRUCTOR@0 @1 @2): Use view_convert around CONSTRUCTOR_ELT (ctor, ...)->value. 2018-04-05 Uros Bizjak PR target/85193 * config/i386/i386.md (define_attr "memory"): Handle rotate1 type. 2018-04-05 Tom de Vries PR target/85204 * config/nvptx/nvptx.c (nvptx_single): Fix neutering of bb with only cond jump. 2018-04-05 Shiva Chen Kito Cheng * config/nds32/constraints.md (U33): Fine-tune checking condition. * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Ditto. * config/nds32/nds32.h (nds32_16bit_address_type): Add ADDRESS_POST_MODIFY_LO_REG_IMM3U. 2018-04-05 Shiva Chen Kito Cheng * config/nds32/constraints.md (Ufe): New memory constraint. * config/nds32/nds32-md-auxiliary.c (nds32_mem_format, nds32_output_16bit_load): Consider r8 register for lwi45.fe format. * config/nds32/nds32.c (nds32_print_operand): Output lwi45.fe operands. * config/nds32/nds32.h (nds32_16bit_address_type): Add ADDRESS_R8_IMM7U. * config/nds32/nds32.md (*mov): Adjust pattern. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md: Use optimize_size in the condition for alu-shift instructions. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (divsi4, udivsi4): New patterns. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (negsi2): Refine pattern. 2018-04-05 Kito Cheng Chung-Ju Wu * config/nds32/iterators.md (shift_rotate): New code iterator. (shift): New code attribute. * config/nds32/nds32-md-auxiliary.c (nds32_expand_constant): New. * config/nds32/nds32-protos.h (nds32_expand_constant): Declare. * config/nds32/nds32.c (nds32_print_operand): Deal with more cases. * config/nds32/nds32.md (addsi3, *add_srli): Refine implementation for bit-wise operations. (andsi3, *andsi3): Ditto. (iorsi3, *iorsi3, *or_slli, *or_srli): Ditto. (xorsi3, *xorsi3, *xor_slli, *xor_srli): Ditto. (si3, *ashlsi3, *ashrsi3, *lshrsi3, *rotrsi3): Ditto. * config/nds32/predicates.md (nds32_rimm5u_operand, nds32_and_operand, nds32_ior_operand, nds32_xor_operand): New predicates. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (add3, sub3): Rename to ... (addsi3, subsi3): ... this. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (*sub_srli, *and_slli): Fine-tune predicator. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md: Adjust indention. 2018-04-05 Kito Cheng * config/nds32/nds32.md (feature): New attribute. 2018-04-05 Chung-Ju Wu * config/nds32/nds32.md (subtype): New attribute. 2018-04-04 Thomas Preud'homme PR target/85203 * config/arm/arm-builtins.c (arm_expand_builtin): Change expansion to perform a bitwise AND of the argument followed by a boolean negation of the result. 2018-04-04 Peter Bergner PR rtl-optimization/84878 * ddg.c (add_cross_iteration_register_deps): Use DF_REF_BB to determine the basic block. Assert the use reference is not artificial and that it has an associated insn. 2018-04-04 Michael Matz * builtins.c (compute_objsize): Pass correct operand to array_at_struct_end_p. 2018-04-04 Richard Biener PR lto/85176 * dwarf2out.c (dwarf2out_register_external_die): Peel namespaces from contexts for DINFO_LEVEL_TERSE and below. 2018-04-04 Kito Cheng * config/nds32/nds32-doubleword.md (move_): Require resiter_operand condition. * config/nds32/nds32.md (*move): Ditto. 2018-04-04 Kito Cheng Monk Chiang * config/nds32/nds32.md (movmisalign): New pattern. 2018-04-04 Chung-Ju Wu * config/nds32/nds32.md (movqi, movhi): Merge into mov. 2018-04-04 Chung-Ju Wu Kito Cheng * config/nds32/nds32-md-auxiliary.c (nds32_inverse_cond_code, nds32_cond_code_str, output_cond_branch, output_cond_branch_compare_zero, nds32_expand_cbranch, nds32_expand_cstore, nds32_expand_movcc, nds32_output_cbranchsi4_equality_zero, nds32_output_cbranchsi4_equality_reg, nds32_output_cbranchsi4_equality_reg_or_const_int, nds32_output_cbranchsi4_greater_less_zero: New functions. * config/nds32/nds32-protos.h (nds32_expand_cbranch, nds32_expand_cstore, nds32_expand_movcc, nds32_output_cbranchsi4_equality_zero, nds32_output_cbranchsi4_equality_reg, nds32_output_cbranchsi4_equality_reg_or_const_int, nds32_output_cbranchsi4_greater_less_zero): Declare. * config/nds32/predicates.md (nds32_movecc_comparison_operator, nds32_rimm11s_operand): New predicates. * config/nds32/nds32.h (nds32_expand_result_type): New enum type. * config/nds32/nds32.md: Rewrite all the branch and conditional move patterns. 2018-04-04 Kito Cheng * config/nds32/nds32-doubleword.md: Refine all the instruction type. * config/nds32/nds32.md: Ditto. * config/nds32/pipelines.md: Ditto. 2018-04-04 Richard Biener PR tree-optimization/85168 * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Avoid propagating abnormals. 2018-04-04 Chung-Ju Wu * config/nds32/nds32.md (enabled): Use yes/no for this attribute. 2018-04-04 Chung-Ju Wu Kito Cheng * config/nds32/nds32-md-auxiliary.c (nds32_long_call_p): New function. * config/nds32/nds32-protos.h (nds32_long_call_p): Declare. * config/nds32/nds32.c (nds32_function_ok_for_sibcall): New function. (TARGET_FUNCTION_OK_FOR_SIBCALL): Define. * config/nds32/nds32.md (sibcall_internal): New. (sibcall_register): Remove. (sibcall_immediate): Remove. (sibcall_value_internal): New. (sibcall_value_register): Remove. (sibcall_value_immediate): Remove. * config/nds32/predicates.md (nds32_general_register_operand): New. (nds32_call_address_operand): New. 2018-04-03 Jakub Jelinek PR rtl-optimization/85167 * shrink-wrap.c (move_insn_for_shrink_wrap): Don't set bb_uses and bb_defs if *split_p, instead preinitialize it to NULL. PR tree-optimization/85156 * builtins.c (fold_builtin_expect): Use save_expr on arg1 to avoid evaluating the argument multiple times. 2018-04-03 Bill Schmidt * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Use __vector rather than vector. (_mm_cvtpd_ps): Likewise. (_mm_cvttpd_epi32): Likewise. * config/rs6000/mmintrin.h (_mm_unpacklo_pi8): Likewise. * config/rs6000/xmmintrin.h: For strict-ANSI C++ or C11, undefine vector, pixel, and bool following altivec.h include. 2018-04-03 Martin Sebor * doc/extend.texi (Common Function Attributes): Clarify. (const attribute): Likewise. (pure attribute): Likewise. 2018-04-03 Jakub Jelinek PR target/85169 * config/i386/i386.c (ix86_expand_vector_set): Use HOST_WIDE_INT_1U << elt instead of 1 << elt. Formatting fix. 2018-04-03 Uros Bizjak * config/i386/i386.c (emit_i387_cw_initialization): Always use logic instructions when changing rounding bits to preserve precision bits in the x87 control word. 2018-04-03 Martin Liska PR tree-optimization/82491 * rtl.h (strip_offset_and_add): Replace += suboffset with poly_uint64 () + suboffset. 2018-03-29 Martin Liska Martin Jambor PR ipa/84947 * ipa-cp.c (propagate_bits_across_jump_function): Bail out if param_type is not an integral or pointer type. 2018-04-03 Richard Biener * sese.h (recompute_all_dominators): Remove. 2018-04-02 Martin Sebor * doc/invoke.texi (-Wrestrict): Fix typos. 2018-04-02 Jim Wilson * config/riscv/riscv.h (SHIFT_COUNT_TRUNCATED): Set to zero. * config/riscv/riscv.md (si3): Use QImode shift count. (di3, si3_extend): Likewise. (si3_mask, si3_mask_1): New. (di3_mask, di3_mask_1): New. (si3_extend_mask, si3_extend_mask_1): New. (lshrsi3_zero_extend_1): Use VOIDmode shift count. * config/riscv/sync.md (atomic_test_and_set): Emit QImode shift count. 2018-04-02 Gerald Pfeifer * doc/cpp.texi (Variadic Macros): Fix line continuation in an example. 2018-04-02 Chung-Ju Wu * config/nds32/nds32.c (TARGET_CANONICALIZE_COMPARISON): Define. (nds32_canonicalize_comparison): New function. 2018-04-01 Chung-Ju Wu Kito Cheng Kuan-Lin Chen * config.gcc (nds32): Add nds32-relax-opt.o into extra_objs. * config/nds32/constants.md (unspec_volatile_element): Add UNSPEC_VOLATILE_RELAX_GROUP. * config/nds32/nds32-relax-opt.c: New file. * config/nds32/nds32-predicates.c (nds32_symbol_load_store_p): New function. * config/nds32/nds32-protos.h (nds32_symbol_load_store_p): Declare function. (make_pass_nds32_relax_opt): Declare new rtl pass function. * config/nds32/nds32.c (nds32_register_pass): New function to register pass. (nds32_register_passes): New function to register passes. * config/nds32/nds32.md (relax_group): New pattern. * config/nds32/nds32.opt (mrelax-hint): New option. * config/nds32/t-nds32 (nds32-relax-opt.o): New dependency. 2018-04-01 Kito Cheng * config/nds32/t-nds32: Modify files dependency. 2018-04-01 Chung-Ju Wu * config/nds32/nds32.h (FUNCTION_PROFILER): Output newline character. (PROFILE_HOOK): Define its implementation. 2018-04-01 Chung-Ju Wu * config/nds32/nds32.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Use unsigned int type and 32-bit size. 2018-04-01 Jakub Jelinek PR middle-end/85090 * config/i386/sse.md (V): Add V64QI and V32HI for TARGET_AVX512F. (V_128_256): New mode iterator. (*avx512dq_vextract64x2_1 splitter): New define_split. (*avx512f_vextract32x4_1 splitter): Likewise. (xop_pcmov_): Use V_128_256 mode iterator instead of V. * config/i386/i386.c (ix86_expand_vector_set): Improve V32HImode and V64QImode expansion for !TARGET_AVX512BW && TARGET_AVX512F. 2018-03-31 Segher Boessenkool PR target/83315 * config/rs6000/xmmintrin.h (_mm_set_ps, _mm_max_ps): Handle (quiet) NaN inputs correctly. 2018-03-30 Peter Bergner PR target/80546 * config/rs6000/vsx.md (??r): New mode attribute. (*vsx_mov_64bit): Use it. (*vsx_mov_32bit): Likewise. 2018-03-30 Martin Sebor PR tree-optimization/84818 * builtins.c (check_access): Use warning_n. 2018-03-30 Aaron Sawdey PR target/83822 * config/rs6000/rs6000-string.c (expand_compare_loop): Fix redundant condition. * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Fix redundant condition. 2018-03-30 Julia Koval PR target/84413 * x86-tune.def (movx, partial_reg_dependency): Enable for m_SKYLAKE_AVX512. 2018-03-29 Vladimir Makarov PR inline-asm/84985 * lra-constraints.c (process_alt_operands): Move setting this_alternative_matches below. 2018-03-29 Martin Liska PR lto/84995. * doc/invoke.texi: Document how LTO works with debug info. Describe auto-load support of binutils. Mention 'x86-64' as valid option value of -march option. 2018-03-29 Jakub Jelinek * config/i386/sse.md (_blendm): Use . PR c/85094 * fold-const.c (operand_equal_p): Handle DEBUG_BEGIN_STMT. For STATEMENT_LIST, pass down OEP_LEXICOGRAPHIC and maybe OEP_NO_HASH_CHECK for recursive call, to avoid exponential checking. 2018-03-28 Peter Bergner PR target/84912 * config/rs6000/rs6000.h (RS6000_BTM_POWERPC64): New define. (RS6000_BTM_COMMON): Add RS6000_BTM_POWERPC64. * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add support for RS6000_BTM_POWERPC64. (rs6000_invalid_builtin): Add handling for RS6000_BTM_POWERPC64 (rs6000_builtin_mask_names): Add RS6000_BTM_POWERPC64. * config/rs6000/rs6000-builtin.def (BU_P7_POWERPC64_MISC_2): New macro definition. (DIVDE): Use it. (DIVDEU): Likewise. 2018-03-28 Carl Love Revert 2017-09-27 Carl Love * config/rs6000/rs6000-builtin.def (BU_FP_1MISC_1): Add define macro. (FCTID, FCTIW): Add BU_FP_MISC_1 macro expansion for builtins. * config/rs6000/rs6000.md (lrintsfsi2): Add define_insn for the fctiw instruction. 2018-03-28 Bill Schmidt * config/rs6000/xmmintrin.h (_mm_max_pi16): Use __vector __bool instead of __vector bool. (_mm_max_pu8): Likewise. (_mm_min_pi16): Likewise. 2018-03-28 Peter Bergner PR target/84912 * config/rs6000/rs6000-builtin.def (DIVWEO): Delete macro expansion. (DIVWEUO): Likewise. (DIVDEO): Likewise. (DIVDEUO): Likewise. * config/rs6000/rs6000.c (builtin_function_type): Remove support for DIVWEUO and DIVDEUO. * config/rs6000/rs6000.md (UNSPEC_DIVEO, UNSPEC_DIVEUO): Delete unspecs. (UNSPEC_DIV_EXTEND): Remove deleted unspecs. (div_extend): Likewise. * doc/extend.texi (__builtin_divweo): Remove documentation for deleted builtin function. (__builtin_divweuo): Likewise. (__builtin_divdeo): Likewise. (__builtin_divdeuo): Likewise. 2018-03-28 Jakub Jelinek PR target/85095 * config/i386/i386.md (*add3_carry_0, *addsi3_carry_zext_0, *sub3_carry_0, *subsi3_carry_zext_0): New patterns. PR tree-optimization/82004 * gimple-match-head.c (optimize_pow_to_exp): New function. * match.pd (pow(C,x) -> exp(log(C)*x)): Wrap with #if GIMPLE. Don't fold to exp if optimize_pow_to_exp is false. 2018-03-28 Martin Liska PR other/84819 * calls.c (initialize_argument_information): Fix trailing space. * common.opt: Fix typo and provide better explanation for -fsanitize-coverage option. * config/i386/i386.opt: Fix typo. 2018-03-28 Jakub Jelinek Martin Liska PR sanitizer/85081 * gimplify.c (asan_poison_variable): Don't do the check for gimplify_omp_ctxp here. (gimplify_decl_expr): Do it here. (gimplify_target_expr): Likewise. 2018-03-28 Martin Liska PR target/84988 * config/i386/i386.c (ix86_function_arg_advance): Do not call chkp_type_bounds_count if MPX is not enabled. 2018-03-27 Chung-Ju Wu * config/nds32/nds32.h (BRANCH_COST): Adjust cost. 2018-03-27 Michael Meissner PR target/84914 * config/rs6000/rs6000.c (create_complex_muldiv): New helper function to create the function decl for complex long double multiply and divide for -mabi=ieeelongdouble. (init_float128_ieee): Call it. 2018-03-27 H.J. Lu PR target/85044 * config/i386/i386.c (ix86_trampoline_init): Insert ENDBR for -fcf-protection=branch -mibt. * config/i386/i386.h (TRAMPOLINE_SIZE): Increased by 4 bytes. 2018-03-27 Ramana Radhakrishnan PR target/81863 * config/arm/arm.c (arm_valid_symbolic_address): Handle arm_word_relocations 2018-03-27 Cesar Philippidis PR target/85056 * config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Add '[]' to extern array declarations. 2018-03-27 Richard Biener PR middle-end/84067 * match.pd ((A * C) +- (B * C) -> (A+-B) * C): Guard with explicit single_use checks. 2018-03-27 Richard Biener PR tree-optimization/85082 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_for_pieces): Valueize the VUSE. 2018-03-27 Ramana Radhakrishnan * config.gcc (aarch64*-*-linux*): New TARGET_DEFAULT_ASYNC_UNWIND_TABLES * common/config/aarch64/aarch64-common.c (aarch64_optimization_table[]): Turn on fasynchronous-unwind-tables and funwind-tables. 2018-03-26 Uros Bizjak PR target/85073 * config/i386/i386.md (*bmi_blsr__cmp): New insn pattern. (*bmi_blsr__ccz): Ditto. 2018-03-26 Tom de Vries PR tree-optimization/85063 * omp-general.c (offloading_function_p): New function. Factor out of ... * omp-offload.c (pass_omp_target_link::gate): ... here. * omp-general.h (offloading_function_p): Declare. * tree-switch-conversion.c (build_one_array): Mark CSWTCH.x variable with attribute omp declare target for offloading functions. 2018-03-24 Richard Sandiford PR tree-optimization/84005 * tree-data-ref.h (get_base_for_alignment): Declare. * tree-data-ref.c (get_base_for_alignment_1): New function. (get_base_for_alignment): Likewise. * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use get_base_for_alignment to find a suitable base object, instead of always using drb->base_address. 2018-03-23 Jakub Jelinek PR inline-asm/85022 * emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have known size by default. 2018-03-23 Vladimir Makarov PR inline-asm/85030 * lra-constraints.c (process_alt_operands): Don't match BLKmode and non BLKmode operands. 2018-03-23 Kyrylo Tkachov PR target/85026 * config/arm/arm.md (unaligned_loadhis): Remove first alternative. Clean up attributes. 2018-03-23 Richard Biener PR debug/85020 * dwarf2out.c (rtl_for_decl_location): Do not generate RTL early when we are going to emit early debug for LTO. 2018-03-23 Jakub Jelinek PR inline-asm/85034 * function.c (match_asm_constraints_1): Don't optimize if input doesn't satisfy general_operand predicate for output's mode. PR inline-asm/85022 * alias.c (write_dependence_p): Don't require for x_canonicalized non-VOIDmode if x has VOIDmode. PR sanitizer/85029 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): If DECL_REGISTER (base), just don't try to optimize it rather than assert it never happens. 2018-03-22 Kelvin Nilsen * config/rs6000/rs6000-builtin.def: Remove various BU_ALTIVEC_X macro expansions for definition of ST_INTERNAL_ and LD_INTERNAL_ builtins. * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): Remove prototype. * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Delete this function. (altivec_expand_st_builtin): Likewise. (altivec_expand_builtin): Remove calls to deleted functions. (rs6000_address_for_altivec): Delete this function. * config/rs6000/vector.md: Remove expands for vector_altivec_load_ and vector_altivec_store_. 2018-03-22 Sudakshina Das PR target/84826 * config/arm/arm.h (machine_function): Add static_chain_stack_bytes. * config/arm/arm.c (arm_compute_static_chain_stack_bytes): Avoid re-computing once computed. (arm_expand_prologue): Compute machine->static_chain_stack_bytes. (arm_init_machine_status): Initialize machine->static_chain_stack_bytes. 2018-03-22 Kelvin Nilsen PR target/84760 * doc/extend.texi: Add four new prototypes for vec_ld. * config/rs6000/rs6000-builtin.def (LVX_V1TI): Reorder symbol definitions for more logical presentation. * config/rs6000/rs6000-c.c: (altivec_overloaded_builtins): Add entries for V1TI variants of __builtin_altivec_ld builtin. * config/rs6000/rs6000.c: (altivec_expand_lv_builtin): Add test and handling of V1TI variant of LVX icode pattern. (altivec_expand_builtin): Add case for ALTIVEC_BUILTIN_LVX_V1TI. (rs6000_gimple_fold_builtin): Likewise. (altivec_init_builtins): Add code to define __builtin_altivec_lvx_v1ti function. 2018-03-22 Jakub Jelinek PR inline-asm/84941 * function.c (match_asm_constraints_1): Don't do the optimization if input isn't a REG, SUBREG, MEM or constant. 2018-03-22 Tom de Vries PR tree-optimization/84956 * tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with bb_has_abnormal_pred. 2018-03-22 Jakub Jelinek PR sanitizer/85018 * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to decl at the end. * varasm.c (use_blocks_for_decl_p): Revert the 2018-03-20 change, adjust the comment. 2018-03-21 Joseph Myers * doc/extend.texi (__builtin_tgmath): Document when complex integer types are treated as _Complex _Float64. 2018-03-21 Tom de Vries * doc/extend.texi (__builtin_extend_pointer): Remove pasto. 2018-03-21 Jakub Jelinek PR tree-optimization/84960 * tree-cfg.c (remove_bb): Don't move forced labels into bb->prev_bb if it is ENTRY block, move them into single succ of ENTRY in that case. 2018-03-21 Richard Sandiford PR tree-optimization/84811 * poly-int.h (poly_span_traits): Remove the T3 parameter and promote HOST_WIDE_INT T2 - T1 results to unsigned HOST_WIDE_INT. (maybe_in_range_p, known_in_range_p, ranges_known_overlap_p): (known_subrange_p): Update accordingly. Cast each value involved in the size comparison, rather than casting the result of the subtraction. 2018-03-21 Jakub Jelinek PR tree-optimization/84982 * gimple-ssa-store-merging.c (invert_op): Handle boolean inversion by flipping the least significant bit rather than all bits from bitpos to bitpos + bitsize - 1. 2018-03-21 Nathan Sidwell * doc/extend.texi (Deprecated Features): Remove mention of long-deleted deprecations. 2018-03-21 Rainer Orth PR jit/84288 * configure.ac (gcc_cv_ld_soname) <*-*-solaris2*>: Set. * configure: Regenerate. 2018-03-21 Tom de Vries PR tree-optimization/83126 * tree-parloops.c (num_phis): New function. (gen_parallel_loop): Detect and handle canonicalize_loop_ivs failure. 2018-03-21 Nathan Sidwell * doc/extend.texi (Deprecated Features): Update deprecated flags, mention anon-struct/union members and trailing attributes. 2018-03-21 Bin Cheng PR tree-optimization/84969 * tree-loop-distribution.c (fuse_memset_builtins): Don't reorder builtin memset partitions if they set different rhs values. 2018-03-21 Jakub Jelinek PR rtl-optimization/84989 * simplify-rtx.c (simplify_unary_operation_1): Don't try to simplify VEC_DUPLICATE with scalar result mode. 2018-03-21 Martin Liska PR ipa/84963 * ipa-icf.c (sem_item_optimizer::fixup_points_to_sets): Remove not intended return statement. 2018-03-21 Martin Liska PR target/84988 * tree-chkp.c (CHKP_ARRAY_MAX_CHECK_STEPS): Define a new macro. (chkp_find_bound_slots_1): Limit number of iterations. 2018-03-20 David H. Gutteridge PR target/84838 * Minor grammar fixes for x86 options. 2018-03-20 Jakub Jelinek PR debug/84875 * dce.c (delete_unmarked_insns): Don't remove frame related noop moves holding REG_CFA_RESTORE notes, instead turn them into a USE. 2018-03-20 Peter Bergner PR target/83789 * config/rs6000/altivec.md (altivec_lvx__2op): Delete define_insn. (altivec_lvx__1op): Likewise. (altivec_stvx__2op): Likewise. (altivec_stvx__1op): Likewise. (altivec_lvx_): New define_expand. (altivec_stvx_): Likewise. (altivec_lvx__2op_): New define_insn. (altivec_lvx__1op_): Likewise. (altivec_stvx__2op_): Likewise. (altivec_stvx__1op_): Likewise. * config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Use new expanders. (rs6000_gen_lvx): Likewise. * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Likewise. (altivec_expand_stv_builtin): Likewise. (altivec_expand_builtin): Likewise. * config/rs6000/vector.md: Likewise. 2018-03-20 Kyrylo Tkachov PR target/82518 * config/arm/arm.c (arm_array_mode_supported_p): Return false for BYTES_BIG_ENDIAN. 2018-03-20 Richard Biener PR target/84986 * config/i386/i386.c (ix86_add_stmt_cost): Only cost sign-conversions as zero, fall back to standard scalar_stmt cost for the rest. 2018-03-20 Martin Liska PR ipa/84825 * predict.c (rebuild_frequencies): Handle case when we have PROFILE_ABSENT, but flag_guess_branch_prob is false. 2018-03-20 Jakub Jelinek PR target/84990 * dwarf2asm.c (dw2_output_indirect_constant_1): Temporarily turn off flag_section_anchors. * varasm.c (use_blocks_for_decl_p): Remove hack for dw2_force_const_mem. PR target/84845 * config/aarch64/aarch64.md (*aarch64_reg_3_neg_mask2): Rename to ... (*aarch64__reg_3_neg_mask2): ... this. If pseudos can't be created, use lowpart_subreg of operands[0] rather than operands[0] itself. (*aarch64_reg_3_minus_mask): Rename to ... (*aarch64_ashl_reg_3_minus_mask): ... this. (*aarch64__reg_di3_mask2): Use const_int_operand predicate and n constraint instead of aarch64_shift_imm_di and Usd. (*aarch64_reg__minus3): Rename to ... (*aarch64__reg_minus3): ... this. 2018-03-20 Sudakshina Das PR target/82989 * config/arm/neon.md (ashldi3_neon): Update ?s for constraints to favor GPR over NEON registers. (di3_neon): Likewise. 2018-03-20 Tom de Vries PR target/84952 * config/nvptx/nvptx.c (nvptx_single): Don't neuter bar.sync. (nvptx_process_pars): Emit bar.sync asap and alap. 2018-03-20 Tom de Vries PR target/84954 * config/nvptx/nvptx.c (prevent_branch_around_nothing): Also update seen_label if seen_label is already set. 2018-03-20 Jakub Jelinek PR target/84945 * config/i386/i386.c (fold_builtin_cpu): For features above 31 use __cpu_features2 variable instead of __cpu_model.__cpu_features[0]. Use 1U instead of 1. Formatting fixes. PR c/84953 * builtins.c (fold_builtin_strpbrk): For strpbrk(x, "") use type instead of TREE_TYPE (s1) for the return value. 2018-03-19 Jakub Jelinek PR tree-optimization/84946 * gimple-ssa-store-merging.c (mem_valid_for_store_merging): Compute bitsize + bitsize in poly_uint64 rather than poly_int64. PR sanitizer/78651 * dwarf2asm.c: Include fold-const.c. (dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to ADDR_EXPR of decl rather than decl itself. PR rtl-optimization/84643 * memmodel.h (enum memmodel): Add MEMMODEL_MAX enumerator. 2018-03-19 Maxim Ostapenko PR sanitizer/78651 * dwarf2asm.c (dw2_output_indirect_constant_1): Disable ASan before calling assemble_variable. 2018-03-19 Sudakshina Das PR target/81647 * config/aarch64/aarch64-simd.md (vec_cmp): Modify instructions for UNLT, UNLE, UNGT, UNGE, UNEQ, UNORDERED and ORDERED. 2018-03-19 Jim Wilson PR bootstrap/84856 * config/riscv/riscv.c (riscv_function_arg_boundary): Use PREFERRED_STACK_BOUNDARY instead of STACK_BOUNDARY. (riscv_first_stack_step): Likewise. (riscv_option_override): Use STACK_BOUNDARY instead of MIN_STACK_BOUNDARY. * config/riscv/riscv.h (STACK_BOUNDARY): Renamed from MIN_STACK_BOUNDARY. (BIGGEST_ALIGNMENT): Set to 128. (PREFERRED_STACK_BOUNDARY): Renamed from STACK_BOUNDARY. (RISCV_STACK_ALIGN): Use PREFERRED_STACK_BOUNDARY instead of STACK_BOUNDARY. 2018-03-19 Richard Biener PR tree-optimization/84933 * tree-vrp.c (set_and_canonicalize_value_range): Treat out-of-bound values as -INF/INF when canonicalizing an ANTI_RANGE to a RANGE. 2018-03-19 Richard Biener PR tree-optimization/84859 * tree-ssa-phiopt.c (single_trailing_store_in_bb): New function. (cond_if_else_store_replacement): Perform sinking operation on single-store BBs regardless of MAX_STORES_TO_SINK setting. Generalize what a BB with a single eligible store is. 2018-03-19 Richard Biener PR tree-optimization/84929 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Guard chrec_is_positive against non-chrec arg. 2018-03-19 Tamar Christina PR target/84711 * config/arm/arm.c (arm_can_change_mode_class): revert r258554. 2018-03-18 Martin Liska PR rtl-optimization/84635 * regrename.c (build_def_use): Use matches_mode only when matches >= 0. 2018-03-18 Richard Sandiford PR tree-optimization/84913 * tree-vect-loop.c (vectorizable_reduction): Don't try to vectorize chains of COND_EXPRs. 2018-03-18 Chung-Ju Wu * config/nds32/nds32.h (MAX_REGS_PER_ADDRESS): Fix the value. 2018-03-18 Chung-Ju Wu * config/nds32/nds32.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Define. 2018-03-18 Chung-Ju Wu * config/nds32/nds32.h (CLZ_DEFINED_VALUE_AT_ZERO): Define. 2018-03-17 Chung-Ju Wu Kito Cheng * config/nds32/nds32-protos.h (nds32_adjust_reg_alloc_order): Declare. * config/nds32/nds32.c (nds32_reg_alloc_order_for_speed): New array. (nds32_adjust_reg_alloc_order): New function. * config/nds32/nds32.h (ADJUST_REG_ALLOC_ORDER): Define. 2018-03-17 Kito Cheng * config/nds32/nds32.c (nds32_asm_output_mi_thunk, nds32_print_operand, nds32_print_operand_address): Use HOST_WIDE_INT_PRINT_DEC instead. 2018-03-17 Chung-Ju Wu * config/nds32/nds32.c (nds32_register_priority): Modify cost. 2018-03-17 Jakub Jelinek PR target/84902 * config/i386/i386.c (initial_ix86_tune_features, initial_ix86_arch_features): Use unsigned HOST_WIDE_INT rather than unsigned long long. (set_ix86_tune_features): Change ix86_tune_mask from unsigned int to unsigned HOST_WIDE_INT, initialize to HOST_WIDE_INT_1U << ix86_tune rather than 1u << ix86_tune. Formatting fix. (ix86_option_override_internal): Change ix86_arch_mask from unsigned int to unsigned HOST_WIDE_INT, initialize to HOST_WIDE_INT_1U << ix86_arch rather than 1u << ix86_arch. (ix86_function_specific_restore): Likewise. 2018-03-16 Jakub Jelinek PR target/84899 * postreload.c (reload_combine_recognize_pattern): Perform INTVAL addition in unsigned HOST_WIDE_INT type to avoid UB and truncate_int_for_mode the result for the destination's mode. PR c/84909 * hsa-gen.c (mem_type_for_type): Fix comment typo. * tree-vect-loop-manip.c (vect_create_cond_for_niters_checks): Likewise. * gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset): Likewise. 2018-03-16 Vladimir Makarov PR target/84876 * lra-assigns.c (lra_split_hard_reg_for): Don't use regno_allocno_class_array and sorted_pseudos. * lra-constraints.c (spill_hard_reg_in_range): Ignore hard regs in insns where regno is used. 2018-03-16 Martin Liska PR ipa/84833 * multiple_target.c (create_dispatcher_calls): Redirect reference in the symbol table. 2018-03-16 Martin Liska PR ipa/84722 * multiple_target.c (create_dispatcher_calls): Redirect also an alias. 2018-03-16 Jakub Jelinek PR c++/79937 PR c++/82410 * tree.h (TARGET_EXPR_NO_ELIDE): Define. * gimplify.c (gimplify_modify_expr_rhs): Don't elide TARGET_EXPRs with TARGET_EXPR_NO_ELIDE flag set unless *expr_p is INIT_EXPR. 2018-03-16 Julia Koval * doc/invoke.texi (Skylake Server): Add CLWB. Cannonlake): Remove CLWB. 2018-03-16 Jakub Jelinek PR tree-optimization/84841 * tree-ssa-reassoc.c (INTEGER_CONST_TYPE): Change to 1 << 4 from 1 << 3. (FLOAT_ONE_CONST_TYPE): Define. (constant_type): Return FLOAT_ONE_CONST_TYPE for -1.0 and 1.0. (sort_by_operand_rank): Put entries with higher constant_type last rather than first to match comments. 2018-03-15 Sandra Loosemore * config/nios2/nios2.md (movsi_internal): Fix thinko in split predicate. 2018-03-15 Jakub Jelinek PR c++/79085 * calls.c (expand_call): For TREE_ADDRESSABLE rettype ignore alignment check and use address of target always. 2018-03-15 H.J. Lu PR target/84574 * config/i386/i386.c (indirect_thunk_needed): Update comments. (indirect_thunk_bnd_needed): Likewise. (indirect_thunks_used): Likewise. (indirect_thunks_bnd_used): Likewise. (indirect_return_needed): New. (indirect_return_bnd_needed): Likewise. (output_indirect_thunk_function): Add a bool argument for function return. (output_indirect_thunk_function): Don't generate alias for function return thunk. (ix86_code_end): Call output_indirect_thunk_function to generate function return thunks. (ix86_output_function_return): Set indirect_return_bnd_needed and indirect_return_needed instead of indirect_thunk_bnd_needed and indirect_thunk_needed. 2018-03-15 Olga Makhotina * config/i386/sgxintrin.h (_enclv_u32): New intrinsic. (__enclv_bc, __enclv_cd, __enclv_generic): New definitions. (ERDINFO, ETRACKC, ELDBC, ELDUC): New leaves. 2018-03-15 David Malcolm Paul Hua PR c/84852 * gcc.dg/fixits-pr84852-1.c: Fix filename in dg-regexp. 2018-03-15 Segher Boessenkool * config/rs6000/rs6000.c (abi_v4_pass_in_fpr): Add back the TARGET_DOUBLE_FLOAT and TARGET_SINGLE_FLOAT conditions on the DFmode resp. SFmode cases. 2018-03-15 Tamar Christina PR target/84711 * config/arm/arm.c (arm_can_change_mode_class): Use GET_MODE_UNIT_SIZE instead of GET_MODE_SIZE when comparing Units. 2018-03-15 Vladimir Mezentsev PR target/68256 * varasm.c (hash_section): Return an unchangeble hash value * config/aarch64/aarch64.c (aarch64_use_blocks_for_constant_p): Return !aarch64_can_use_per_function_literal_pools_p (). 2018-03-15 Jakub Jelinek PR target/84860 * optabs.c (emit_conditional_move): Pass address of cmode's copy rather than address of cmode as last argument to prepare_cmp_insn. 2018-03-15 Julia Koval * config/i386/i386.c (F_AVX512VBMI2, F_GFNI, F_VPCLMULQDQ, F_AVX512VNNI, F_AVX512BITALG): New. 2018-03-14 John David Anglin PR target/83451 * config/pa/pa.c (pa_emit_move_sequence): Always emit secondary reload insn for floating-point loads and stores. 2018-03-14 Carl Love * config/rs6000/rs6000-c.c: Add macro definitions for ALTIVEC_BUILTIN_VEC_PERMXOR. * config/rs6000/rs6000.h: Add #define for vec_permxor builtin. * config/rs6000/rs6000-builtin.def: Add macro expansions for VPERMXOR. * config/rs6000/altivec.md (altivec_vpermxor): New define expand. * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Add case UNSPEC_VPERMXOR. * config/doc/extend.texi: Add prototypes for vec_permxor. 2018-03-14 David Malcolm PR c/84852 * diagnostic-show-locus.c (class layout_point): Convert m_line from int to linenum_type. (line_span::comparator): Use linenum "compare" function when comparing line numbers. (test_line_span): New function. (layout_range::contains_point): Convert param "row" from int to linenum_type. (layout_range::intersects_line_p): Likewise. (layout::will_show_line_p): Likewise. (layout::print_source_line): Likewise. (layout::should_print_annotation_line_p): Likewise. (layout::print_annotation_line): Likewise. (layout::print_leading_fixits): Likewise. (layout::annotation_line_showed_range_p): Likewise. (struct line_corrections): Likewise for field m_row. (line_corrections::line_corrections): Likewise for param "row". (layout::print_trailing_fixits): Likewise. (layout::get_state_at_point): Likewise. (layout::get_x_bound_for_row): Likewise. (layout::print_line): Likewise. (diagnostic_show_locus): Likewise for locals "last_line" and "row". (selftest::diagnostic_show_locus_c_tests): Call test_line_span. * input.c (selftest::test_linenum_comparisons): New function. (selftest::input_c_tests): Call it. * selftest.c (selftest::test_assertions): Test ASSERT_GT, ASSERT_GT_AT, ASSERT_LT, and ASSERT_LT_AT. * selftest.h (ASSERT_GT): New macro. (ASSERT_GT_AT): New macro. (ASSERT_LT): New macro. (ASSERT_LT_AT): New macro. 2018-03-14 Segher Boessenkool PR rtl-optimization/84780 * combine.c (distribute_links): Don't make a link based on pc_rtx. 2018-03-14 Martin Liska * tree.c (record_node_allocation_statistics): Use get_stats_node_kind. (get_stats_node_kind): New function extracted from record_node_allocation_statistics. (free_node): Use get_stats_node_kind. 2018-03-14 Richard Biener * tree-ssa-pre.c (compute_antic_aux): Remove code that asserts that the value-set of ANTIC_IN doesn't grow. Revert * tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs member. (BB_VISITED_WITH_VISITED_SUCCS): New define. (compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS. 2018-03-14 Julia Koval * config.gcc (icelake-client, icelake-server): New. (icelake): Remove. * config/i386/i386.c (initial_ix86_tune_features): Extend to 64 bit. (initial_ix86_arch_features): Ditto. (PTA_SKYLAKE): Add SGX. (PTA_ICELAKE): Remove. (PTA_ICELAKE_CLIENT): New. (PTA_ICELAKE_SERVER): New. (ix86_option_override_internal): Split up icelake on icelake client and icelake server. (get_builtin_code_for_version): Ditto. (fold_builtin_cpu): Ditto. * config/i386/driver-i386.c (config/i386/driver-i386.c): Ditto. * config/i386/i386-c.c (ix86_target_macros_internal): Ditto * config/i386/i386.h (processor_type): Ditto. * doc/invoke.texi: Ditto. 2018-03-14 Jakub Jelinek PR sanitizer/83392 * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Handle also INTEGER_CST offset, add it together with bitpos / 8 and sign extend based on POINTER_SIZE. PR target/84844 Revert 2017-04-20 Uros Bizjak PR target/78090 * config/i386/constraints.md (Yc): New register constraint. * config/i386/i386.md (*float2_mixed): Use Yc constraint for alternative 2 of operand 0. Remove preferred_for_speed attribute. 2018-03-14 Richard Biener PR tree-optimization/84830 * tree-ssa-pre.c (compute_antic_aux): Intersect the new ANTIC_IN with the old one to avoid oscillations. 2018-03-13 Vladimir Makarov PR target/83712 * lra-assigns.c (find_all_spills_for): Ignore uninteresting pseudos. (assign_by_spills): Return a flag of reload assignment failure. Do not process the reload assignment failures. Do not spill other reload pseudos if they has the same reg class. Update n if necessary. (lra_assign): Add a return arg. Set up from the result of assign_by_spills call. (find_reload_regno_insns, lra_split_hard_reg_for): New functions. * lra-constraints.c (split_reg): Add a new arg. Use it instead of usage_insns if it is not NULL. (spill_hard_reg_in_range): New function. (split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg. * lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New function prototypes. (lra_assign): Change prototype. * lra.c (lra): Add code to deal with fails by splitting hard reg live ranges. 2018-03-01 Palmer Dabbelt * config/riscv/riscv.opt (mrelax): New option. * config/riscv/riscv.c (riscv_file_start): Emit ".option "norelax" when riscv_mrelax is disabled. * doc/invoke.texi (RISC-V): Document "-mrelax" and "-mno-relax". 2018-03-13 Aaron Sawdey PR target/84743 * config/rs6000/rs6000.c (rs6000_reassociation_width): Disable parallel reassociation for int modes. 2018-03-13 Richard Sandiford * tree-vect-loop-manip.c (vect_maybe_permute_loop_masks): Reverse the choice between VEC_UNPACK_LO_EXPR and VEC_UNPACK_HI_EXPR for big-endian. * config/aarch64/iterators.md (hi_lanes_optab): New int attribute. * config/aarch64/aarch64-sve.md (*aarch64_sve_): Rename to... (aarch64_sve_): ...this. (*extend2): Rename to... (aarch64_sve_extend2): ...this. (vec_unpack__): Turn into a define_expand, renaming the old pattern to... (aarch64_sve_punpk_): ...this. Only define unsigned packs. (vec_unpack__): Turn into a define_expand, renaming the old pattern to... (aarch64_sve_unpk_): ...this. (*vec_unpacku___no_convert): Delete. (vec_unpacks__): Take BYTES_BIG_ENDIAN into account when deciding which SVE instruction the optab should use. (vec_unpack_float__vnx4si): Likewise. 2018-03-13 Richard Sandiford * config/aarch64/aarch64.md (V4_REGNUM, V8_REGNUM, V12_REGNUM) (V20_REGNUM, V24_REGNUM, V28_REGNUM, P1_REGNUM, P2_REGNUM, P3_REGNUM) (P4_REGNUM, P5_REGNUM, P6_REGNUM, P8_REGNUM, P9_REGNUM, P10_REGNUM) (P11_REGNUM, P12_REGNUM, P13_REGNUM, P14_REGNUM): New define_constants. (tlsdesc_small_): Turn a define_expand and use tlsdesc_small_sve_ for SVE. Rename original define_insn to... (tlsdesc_small_advsimd_): ...this. (tlsdesc_small_sve_): New pattern. 2018-03-13 Richard Sandiford * config/aarch64/iterators.md (UNSPEC_SMUL_HIGHPART) (UNSPEC_UMUL_HIGHPART): New constants. (MUL_HIGHPART): New int iteraor. (su): Handle UNSPEC_SMUL_HIGHPART and UNSPEC_UMUL_HIGHPART. * config/aarch64/aarch64-sve.md (mul3_highpart): New define_expand. (*mul3_highpart): New define_insn. 2018-03-13 Eric Botcazou PR lto/84805 * ipa-devirt.c (odr_subtypes_equivalent_p): Do not get the ODR type of incomplete types. 2018-03-13 Martin Liska PR ipa/84658. * (sem_item_optimizer::sem_item_optimizer): Initialize new vector. (sem_item_optimizer::~sem_item_optimizer): Release it. (sem_item_optimizer::merge_classes): Register variable aliases. (sem_item_optimizer::fixup_pt_set): New function. (sem_item_optimizer::fixup_points_to_sets): Likewise. * ipa-icf.h: Declare new variables and functions. 2018-03-13 Jakub Jelinek PR middle-end/84834 * match.pd ((A & C) != 0 ? D : 0): Use INTEGER_CST@2 instead of integer_pow2p@2 and test integer_pow2p in condition. (A < 0 ? C : 0): Similarly for @1. PR middle-end/84831 * stmt.c (parse_output_constraint): If the CONSTRAINT_LEN (*p, p) characters starting at p contain '\0' character, don't look beyond that. PR target/84827 * config/i386/i386.md (round2): For 387 fancy math, disable pattern if -ftrapping-math -fno-fp-int-builtin-inexact. PR target/84828 * reg-stack.c (change_stack): Change update_end var from int to rtx_insn *, if non-NULL don't update just BB_END (current_block), but also call set_block_for_insn on the newly added insns and rescan. PR target/84786 * config/i386/sse.md (sse2_loadhpd): Use Yv constraint rather than v on the last operand. PR c++/84704 * tree.c (stabilize_reference_1): Return save_expr (e) for STATEMENT_LIST even if it doesn't have side-effects. 2018-03-12 Jonathan Wakely * doc/invoke.texi (-mclflushopt): Fix spelling of option. 2018-03-12 Renlin Li * config/aarch64/aarch64.md (movhf_aarch64): Fix mode argument to aarch64_output_scalar_simd_mov_immediate. 2018-03-12 Martin Sebor PR tree-optimization/83456 * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid warning for perfectly overlapping calls to memcpy. (gimple_fold_builtin_memory_chk): Same. (gimple_fold_builtin_strcpy): Handle no-warning. (gimple_fold_builtin_stxcpy_chk): Same. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Handle no-warning. 2018-03-12 Segher Boessenkool * config/rs6000/rs6000.c (abi_v4_pass_in_fpr): Add bool "named" parameter. Use it for SFmode. (rs6000_function_arg_advance_1): Adjust. (rs6000_function_arg): Adjust. (rs6000_gimplify_va_arg): Pass false for that new parameter. 2018-03-12 Segher Boessenkool PR rtl-optimization/84169 PR rtl-optimization/84780 * combine.c (can_combine_p): Check for a 2-insn combination whether the destination register is used between the two insns, too. 2018-03-12 Richard Biener PR tree-optimization/84803 * tree-if-conv.c (ifcvt_memrefs_wont_trap): Don't do anything for refs DR analysis didn't process. 2018-03-12 Richard Biener PR tree-optimization/84777 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): For force-vectorize loops ignore whether we are optimizing for size. 2018-03-12 Chung-Ju Wu * config/nds32/nds32.c (nds32_md_asm_adjust): New function. (TARGET_MD_ASM_ADJUST): Define. 2018-03-12 Monk Chiang Kito Cheng Chung-Ju Wu * config/nds32/nds32.c (nds32_compute_stack_frame, nds32_emit_stack_push_multiple, nds32_emit_stack_pop_multiple, nds32_emit_stack_v3push, nds32_emit_stack_v3pop, nds32_emit_adjust_frame, nds32_expand_prologue, nds32_expand_epilogue, nds32_expand_prologue_v3push, nds32_expand_epilogue_v3pop): Refine. * config/nds32/nds32.h (NDS32_FIRST_CALLEE_SAVE_GPR_REGNUM, NDS32_LAST_CALLEE_SAVE_GPR_REGNUM, NDS32_V3PUSH_AVAILABLE_P): New. * config/nds32/nds32.md (prologue, epilogue): Use macro NDS32_V3PUSH_AVAILABLE_P to do checking. 2018-03-11 Jakub Jelinek PR debug/58150 * dwarf2out.c (gen_enumeration_type_die): Don't guard adding DW_AT_declaration for ENUM_IS_OPAQUE on -gdwarf-4 or -gno-strict-dwarf, but on TYPE_SIZE. Don't do anything for ENUM_IS_OPAQUE if not creating a new die. Don't set TREE_ASM_WRITTEN if ENUM_IS_OPAQUE. Guard addition of most attributes on !orig_type_die or the attribute not being present already. Assert TYPE_VALUES is NULL for ENUM_IS_OPAQUE. 2018-03-11 Kito Cheng Chung-Ju Wu * config/nds32/nds32.c (nds32_cpu_cpp_builtins): Modify to define __NDS32_VH__ macro. * config/nds32/nds32.opt (mvh): New option. 2018-03-11 Kito Cheng Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_cpu_cpp_builtins): Declare function. * config/nds32/nds32.c (nds32_cpu_cpp_builtins): New function. * config/nds32/nds32.h (TARGET_CPU_CPP_BUILTINS): Modify its definition. 2018-03-11 Kito Cheng Chung-Ju Wu * config/nds32/nds32-memory-manipulation.c (nds32_expand_strlen): New function. * config/nds32/nds32-multiple.md (strlensi): New pattern. * config/nds32/nds32-protos.h (nds32_expand_strlen): Declare function. 2018-03-11 Monk Chiang Kito Cheng Chung-Ju Wu * config/nds32/constants.md (unspec_element): Add UNSPEC_FFB, UNSPEC_FFMISM and UNSPEC_FLMISM. * config/nds32/nds32-intrinsic.c (bdesc_2arg): Add builtin description for ffb, ffmism and flmism. * config/nds32/nds32-intrinsic.md (unspec_ffb): Define new pattern. (unspec_ffmism): Ditto. (unspec_flmism): Ditto. (nds32_expand_builtin_impl): Check if string extension is available. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FFB, NDS32_BUILTIN_FFMISM and NDS32_BUILTIN_FLMISM. 2018-03-10 Vladimir Makarov Reverting patch: 2018-03-09 Vladimir Makarov PR target/83712 * lra-assigns.c (assign_by_spills): Return a flag of reload assignment failure. Do not process the reload assignment failures. Do not spill other reload pseudos if they has the same reg class. (lra_assign): Add a return arg. Set up from the result of assign_by_spills call. (find_reload_regno_insns, lra_split_hard_reg_for): New functions. * lra-constraints.c (split_reg): Add a new arg. Use it instead of usage_insns if it is not NULL. (spill_hard_reg_in_range): New function. (split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg. * lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New function prototypes. (lra_assign): Change prototype. * lra.c (lra): Add code to deal with fails by splitting hard reg live ranges. 2018-03-10 H.J. Lu PR target/84807 * config/i386/i386.opt: Replace Enforcment with Enforcement. 2018-03-10 Alexandre Oliva PR debug/84620 * dwarf2out.h (dw_val_class): Add dw_val_class_symview. (dw_val_node): Add val_symbolic_view. * dwarf2out.c (dw_line_info_table): Add symviews_since_reset. (symview_upper_bound): New. (new_line_info_table): Initialize symviews_since_reset. (dwarf2out_source_line): Count symviews_since_reset and set symview_upper_bound. (dw_val_equal_p): Handle symview. (add_AT_symview): New. (print_dw_val): Handle symview. (attr_checksum, attr_checksum_ordered): Likewise. (same_dw_val_p, size_of_die): Likewise. (value_format, output_die): Likewise. (add_high_low_attributes): Use add_AT_symview for entry_view. (dwarf2out_finish): Reset symview_upper_bound, clear zero_view_p. 2018-03-09 Peter Bergner PR target/83969 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New prototype. Add strict argument and use it. (rs6000_split_multireg_move): Update for new strict argument. (mem_operand_gpr): Disallow all non-offsettable addresses. * config/rs6000/rs6000.md (*movdi_internal64): Use YZ constraint. 2018-03-09 Jakub Jelinek PR target/84772 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Mark va_arg_tmp temporary TREE_ADDRESSABLE before gimplification of BUILT_IN_MEMCPY. * config/powerpcspe/powerpcspe.c (rs6000_gimplify_va_arg): Likewise. PR c++/84767 * tree-inline.c (copy_tree_body_r): For INDIRECT_REF of a remapped decl, use remap_type if we want to use the type. 2018-03-09 Martin Sebor PR tree-optimization/84526 * gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset): Remove dead code. (builtin_access::generic_overlap): Be prepared to handle non-array base objects. 2018-03-09 Alexandre Oliva PR rtl-optimization/84682 * lra-constraints.c (process_address_1): Check is_address flag for address constraints. (process_alt_operands): Likewise. * lra.c (lra_set_insn_recog_data): Pass asm operand locs to preprocess_constraints. * recog.h (preprocess_constraints): Add oploc parameter. Adjust callers. * recog.c (preprocess_constraints): Test address_operand for CT_ADDRESS constraints. 2018-03-09 Vladimir Makarov PR target/83712 * lra-assigns.c (assign_by_spills): Return a flag of reload assignment failure. Do not process the reload assignment failures. Do not spill other reload pseudos if they has the same reg class. (lra_assign): Add a return arg. Set up from the result of assign_by_spills call. (find_reload_regno_insns, lra_split_hard_reg_for): New functions. * lra-constraints.c (split_reg): Add a new arg. Use it instead of usage_insns if it is not NULL. (spill_hard_reg_in_range): New function. (split_if_necessary, inherit_in_ebb): Pass a new arg to split_reg. * lra-int.h (spill_hard_reg_in_range, lra_split_hard_reg_for): New function prototypes. (lra_assign): Change prototype. * lra.c (lra): Add code to deal with fails by splitting hard reg live ranges. 2018-03-09 Kyrylo Tkachov PR target/83193 * common/config/arm/arm-common.c (arm_parse_arch_option_name): Accept complain bool parameter. Only emit errors if it is true. (arm_parse_cpu_option_name): Likewise. (arm_target_thumb_only): Adjust callers of the above. * config/arm/arm-protos.h (arm_parse_cpu_option_name): Adjust prototype to take a default true bool parameter. (arm_parse_arch_option_name): Likewise. 2018-03-09 David Malcolm Francois-Xavier Coudert PR jit/64089 PR jit/84288 * Makefile.in (LD_VERSION_SCRIPT_OPTION, LD_SONAME_OPTION): New. * configure: Regenerate. * configure.ac ("linker --version-script option"): New. ("linker soname option"): New. 2018-03-09 Richard Biener PR tree-optimization/84775 * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Delink immediate uses of predicate stmts and mark them modified. Revert PR tree-optimization/84178 * tree-if-conv.c (combine_blocks): Move insert_gimplified_predicates to caller. (version_loop_for_if_conversion): Delay update_ssa call. (tree_if_conversion): Delay update_ssa until after predicate insertion. 2018-03-09 Eric Botcazou PR target/84763 * config/i386/winnt.c (i386_pe_seh_cold_init): Use small pre-allocation when the function accesses prior frames. 2018-03-08 Jakub Jelinek PR debug/84456 * dwarf2out.c (dw_loc_list): If list && loc_list->first->next, call gen_llsym, otherwise call maybe_gen_llsym. PR inline-asm/84742 * recog.c (asm_operand_ok): Return 0 if multi-character constraint has ',' character inside of it. 2018-03-08 Kyrylo Tkachov PR target/84748 * config/aarch64/aarch64.md (*compare_cstore_insn): Mark pattern as clobbering CC_REGNUM. 2018-03-08 Richard Biener PR middle-end/84552 * tree-scalar-evolution.c: Include tree-into-ssa.h. (follow_copies_to_constant): Do not follow SSA names registered for update. 2018-03-08 Richard Biener PR tree-optimization/84178 * tree-if-conv.c (combine_blocks): Move insert_gimplified_predicates to caller. (version_loop_for_if_conversion): Delay update_ssa call. (tree_if_conversion): Delay update_ssa until after predicate insertion. 2018-03-08 David Malcolm PR tree-optimization/84178 * tree-if-conv.c (release_bb_predicate): Remove the the assertion that the stmts have NULL use_ops. Discard the statements, asserting that they haven't yet been added to a BB. 2018-03-08 Richard Biener PR tree-optimization/84746 * tree-ssa-pre.c (find_leader_in_sets): Deal with SET1 being NULL. (phi_translate): Pass in destination ANTIC_OUT set. (phi_translate_1): Likewise. For a simplified result lookup a leader in ANTIC_OUT and AVAIL_OUT, not the ANTIC_IN sets. (phi_translate_set): Adjust. (do_pre_regular_insertion): Likewise. (do_pre_partial_partial_insertion): Likewise. 2018-03-08 Martin Liska PR gcov-profile/84735 * doc/gcov.texi: Document usage of profile files. * gcov-io.h: Document changes in the format. 2018-03-08 Alexandre Oliva PR debug/84404 PR debug/84408 * dwarf2out.c (struct dw_line_info_table): Update comments for view == -1. (FORCE_RESET_NEXT_VIEW): New. (FORCE_RESETTING_VIEW_P): New. (RESETTING_VIEW_P): Check for -1 too. (ZERO_VIEW_P): Likewise. (new_line_info_table): Force-reset next view. (dwarf2out_begin_function): Likewise. (dwarf2out_source_line): Simplify zero_view_p initialization. Test FORCE_RESETTING_VIEW_P and RESETTING_VIEW_P instead of view directly. Omit view when omitting .loc at line 0. 2018-03-08 Jakub Jelinek PR tree-optimization/84740 * tree-switch-conversion.c (process_switch): Call build_constructors only if info.phi_count is non-zero. PR tree-optimization/84739 * tree-tailcall.c (find_tail_calls): Check call arguments against DECL_ARGUMENTS (current_function_decl) rather than DECL_ARGUMENTS (func) when checking for tail recursion. 2018-03-07 Jakub Jelinek * doc/contrib.texi: Add entries for Martin Liska, David Malcolm, Marek Polacek, extend Vladimir Makarov's, Jonathan Wakely's and Volker Reichelt's entry and add entries for people that perform GCC fuzzy testing and report numerous bugs. 2018-03-07 Segher Boessenkool PR target/82411 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Don't put readonly data in sdata, if that is disabled. * config/rs6000/sysv4.opt (mreadonly-in-sdata): New option. * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mreadonly-in-sdata option. 2018-03-07 Martin Sebor PR tree-optimization/84468 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Consider successor basic block when looking for nul assignment. 2018-03-07 Eric Botcazou PR target/84277 * except.h (output_function_exception_table): Adjust prototype. * except.c (output_function_exception_table): Remove FNNAME parameter and add SECTION parameter. Ouput one part of the table at a time. * final.c (final_scan_insn_1) : Output the first part of the exception table and emit unwind directives. * config/i386/i386-protos.h (i386_pe_end_cold_function): Declare. (i386_pe_seh_cold_init): Likewise. * config/i386/cygming.h (ASM_DECLARE_COLD_FUNCTION_NAME): New macro. (ASM_DECLARE_COLD_FUNCTION_SIZE): Likewise. * config/i386/i386.c (x86_expand_epilogue): Fix wording in comment. (ix86_output_call_insn): Emit a nop in one more case for SEH. * config/i386/winnt.c: Include except.h. (struct seh_frame_state): Add reg_offset, after_prologue and in_cold_section fields. (i386_pe_seh_end_prologue): Set seh->after_prologue. (i386_pe_seh_cold_init): New function. (i386_pe_seh_fini): Add COLD parameter and bail out if it is not equal to seh->in_cold_section. (seh_emit_push): Record the offset of the push. (seh_emit_save): Record the offet of the save. (i386_pe_seh_unwind_emit): Deal with NOTE_INSN_SWITCH_TEXT_SECTIONS. Test seh->after_prologue to disregard the epilogue. (i386_pe_end_function): Pass FALSE to i386_pe_seh_fini. (i386_pe_end_cold_function): New function. 2018-03-07 Jakub Jelinek PR fortran/84565 * config/aarch64/predicates.md (aarch64_simd_reg_or_zero): Use aarch64_simd_or_scalar_imm_zero rather than aarch64_simd_imm_zero. PR c++/84704 * gimple-expr.c (create_tmp_var_raw): Set DECL_NAMELESS flag on tmp_var. * tree-pretty-print.c (dump_decl_name): For TDF_COMPARE_DEBUG, don't print names of DECL_NAMELESS DECL_IGNORED_P decls. PR middle-end/84723 * multiple_target.c: Include tree-inline.h and intl.h. (expand_target_clones): Diagnose and fail if node->definition and !tree_versionable_function_p (node->decl). 2018-03-06 John David Anglin * config/pa/pa.h (ASM_GENERATE_INTERNAL_LABEL): Revise to use sprint_ul. (ASM_OUTPUT_ADDR_VEC_ELT): Revise for above change. (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. * config/pa/pa64-hpux.h (ASM_GENERATE_INTERNAL_LABEL): Revise as above. 2018-03-06 Jakub Jelinek PR target/84710 * combine.c (try_combine): Use reg_or_subregno instead of handling just paradoxical SUBREGs and REGs. 2018-03-06 Claudiu Zissulescu * config/arc/arc.c (arc_finalize_pic): Remove function. (arc_must_save_register): We use single base PIC register, remove checks to save/restore the PIC register. (arc_expand_prologue): Likewise. * config/arc/arc-protos.h (arc_set_default_type_attributes): Remove. (arc_verify_short): Likewise. (arc_attr_type): Likewise. * config/arc/arc.c (arc_set_default_type_attributes): Remove. (walk_stores): Likewise. (arc_address_cost): Make it static. (arc_verify_short): Likewise. (branch_dest): Likewise. (arc_attr_type): Likewise. * config/arc/arc.c (TARGET_ADJUST_INSN_LENGTH): Remove. (TARGET_INSN_LENGTH_PARAMETERS): Likewise. (arc_final_prescan_insn): Remove inserting the nops due to hardware hazards. It is done in reorg step. (insn_length_variant_t): Remove. (insn_length_parameters_t): Likewise. (arc_insn_length_parameters): Likewise. (arc_get_insn_variants): Likewise. * config/arc/arc.h (TARGET_UPSIZE_DBR): Remove. 2018-03-06 Jakub Jelinek PR inline-asm/84683 * reg-stack.c (move_for_stack_reg): If any_malformed_asm, avoid assertion failure. PR tree-optimization/84687 * omp-simd-clone.c (simd_clone_create): Clear DECL_BUILT_IN_CLASS on new_node->decl. * match.pd (pow(C,x)*expN(y) -> expN(logN(C)*x+y)): New optimization. 2018-03-05 Bill Schmidt * config/rs6000/rs6000-builtin.def (rs6000_speculation_barrier): Rename to ppc_speculation_barrier. * config/rs6000/rs6000.c (rs6000_init_builtins): Rename builtin to __builtin_ppc_speculation_barrier. 2018-03-05 Jakub Jelinek PR target/84700 * combine.c (combine_simplify_rtx): Don't try to simplify if if_then_else_cond returned non-NULL, but either true_rtx or false_rtx are equal to x. 2018-03-05 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_loop_align): Don't align tiny loops to 32 bytes when compiling for POWER9. 2018-03-05 Jakub Jelinek PR target/84564 * config/i386/i386.c (ix86_function_ok_for_sibcall): Check for regparm >= 3 with no arg reg available also for calls with flag_force_indirect_call. Pass decl to ix86_function_regparm. PR target/84524 * config/i386/sse.md (*3): Replace with orig,vex. (*3): Likewise. Remove uses. 2018-03-05 Peter Bergner PR target/84264 * config/rs6000/vector.md (mov): Disallow altivec memory operands. 2018-03-05 Richard Biener PR tree-optimization/84486 * tree-ssa-pre.c (create_expression_by_pieces): Remove dead code. When inserting a __builtin_assume_aligned call set the LHS SSA name alignment info accordingly. 2018-03-05 Wilco Dijkstra PR tree-optimization/84114 * config/aarch64/aarch64.c (aarch64_reassociation_width) Avoid reassociation of FLOAT_MODE addition. 2018-03-05 Olga Makhotina * common/config/i386/i386-common.c (OPTION_MASK_ISA_PCONFIG_SET, OPTION_MASK_ISA_PCONFIG_UNSET, OPTION_MASK_ISA_WBNOINVD_SET, OPTION_MASK_ISA_WBNOINVD_UNSET): New definitions. (ix86_handle_option): Handle -mpconfig and -mwbnoinvd. * config.gcc (pconfigintrin.h, wbnoinvdintrin.h) : Add headers. * config/i386/cpuid.h (bit_PCONFIG, bit_WBNOINVD): New. * config/i386/driver-i386.c (host_detect_local_cpu): Detect -mpconfig and -mwbnoinvd. * config/i386/i386-builtin.def (__builtin_ia32_wbnoinvd, __builtin_ia32_wbinvd): New builtins. (SPECIAL_ARGS2): New. * config/i386/i386-c.c (__WBNOINVD__, __PCONFIG__): New. (SPECIAL_ARGS2): New. * config/i386/i386.c (ix86_target_string): Add -mpconfig and -mwbnoinvd. (ix86_valid_target_attribute_inner_p): Ditto. (ix86_init_mmx_sse_builtins): Add special_args2. * config/i386/i386.h (TARGET_PCONFIG, TARGET_PCONFIG_P, TARGET_WBNOINVD, TARGET_WBNOINVD_P): New. * config/i386/i386.md (UNSPECV_WBINVD, UNSPECV_WBNOINVD): New. (define_insn "wbinvd", define_insn "wbnoinvd"): New. * config/i386/i386.opt: Add -mpconfig and -mwbnoinvd. * config/i386/immintrin.h (_wbinvd): New intrinsic. * config/i386/pconfigintrin.h: New file. * config/i386/wbnoinvdintrin.h: Ditto. * config/i386/x86intrin.h: Add headers pconfigintrin.h and wbnoinvdintrin.h. * doc/invoke.texi (-mpconfig, -mwbnoinvd): New. 2018-03-05 Richard Biener PR tree-optimization/84670 * tree-ssa-pre.c (struct bb_bitmap_sets): Add visited_with_visited_succs member. (BB_VISITED_WITH_VISITED_SUCCS): New define. (compute_antic): Initialize BB_VISITED_WITH_VISITED_SUCCS. (compute_antic_aux): Only assert the number of values in ANTIC_IN doesn't grow if all successors (recursively) were visited at least once. 2018-03-05 Richard Biener PR tree-optimization/84650 * tree-ssa-loop-im.c (pass_lim::execute): Reset the SCEV cache if executed in the loop pipeline. 2018-03-05 Sandra Loosemore * doc/configfiles.texi (Configuration Files): Move info about conditionalizing $target-protos.h to... * doc/sourcebuild.texi (Back End): Here. Explain how $target.h differs from $target-protos.h. 2018-03-05 Kito Cheng Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_expand_setmem): Declare. * config/nds32/nds32-multiple.md (setmemsi): Define. * config/nds32/nds32-memory-manipulation.c (nds32_gen_dup_4_byte_to_word_value): New. (emit_setmem_word_loop): New. (emit_setmem_byte_loop): New. (nds32_expand_setmem_loop): New. (nds32_expand_setmem_loop_v3m): New. (nds32_expand_setmem_unroll): New. (nds32_expand_setmem): New. 2018-03-04 Kito Cheng Chung-Ju Wu * config/nds32/nds32-memory-manipulation.c (nds32_emit_load_store): New. (nds32_emit_post_inc_load_store): New. (nds32_emit_mem_move): New. (nds32_emit_mem_move_block): New. (nds32_expand_movmemsi_loop_unknown_size): New. (nds32_expand_movmemsi_loop_known_size): New. (nds32_expand_movmemsi_loop): New. (nds32_expand_movmemsi_unroll): New. (nds32_expand_movmemqi): Rename ... (nds32_expand_movmemsi): ... to this. * config/nds32/nds32-multiple.md (movmemqi): Rename ... (movmemsi): ... to this. * config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ... (nds32_expand_movmemsi): ... to this. 2018-03-04 Kito Cheng Monk Chiang Chung-Ju Wu * config/nds32/nds32-protos.h (nds32_expand_load_multiple): New arguments. (nds32_expand_store_multiple): Ditto. (nds32_valid_multiple_load_store): Rename ... (nds32_valid_multiple_load_store_p): ... to this. * config/nds32/nds32-memory-manipulation.c (nds32_expand_load_multiple): Refine implementation. (nds32_expand_store_multiple): Ditto. * config/nds32/nds32-multiple.md (load_multiple): Update nds32_expand_load_multiple interface. (store_multiple): Update nds32_expand_store_multiple interface. * config/nds32/nds32-predicates.c (nds32_valid_multiple_load_store): Rename ... (nds32_valid_multiple_load_store_p): ... to this and refine implementation. * config/nds32/predicates.md (nds32_load_multiple_and_update_address_operation): New predicate. (nds32_store_multiple_and_update_address_operation): New predicate. 2018-03-04 Kito Cheng Chung-Ju Wu * config/nds32/nds32.md (type): Add load_multiple and store_multiple. (combo): New attribute. * config/nds32/nds32-multiple.md: Refine patterns with new attributes. 2018-03-03 Chung-Ju Wu * config/nds32/nds32.opt: Change -mcmodel= default value. 2018-03-03 Kito Cheng Monk Chiang Chung-Ju Wu * config/nds32/constants.md (unspec_element): New enum. * config/nds32/constraints.md (Umw): New constraint. * config/nds32/nds32-intrinsic.c: Add more builtin functions. * config/nds32/nds32-intrinsic.md: Likewise. * config/nds32/nds32-md-auxiliary.c (nds32_regno_to_enable4): New. (nds32_valid_smw_lwm_base_p): New. (nds32_output_smw_single_word): New. (nds32_output_lmw_single_word): New. (nds32_expand_unaligned_load): New. (nds32_expand_unaligned_store): New. * config/nds32/nds32-protos.h (nds32_valid_smw_lwm_base_p): Declare. (nds32_output_smw_single_word): Declare. (nds32_output_lmw_single_word): Declare. (nds32_expand_unaligned_load): Declare. (nds32_expand_unaligned_store): Declare. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_UALOAD_HW, NDS32_BUILTIN_UALOAD_W, NDS32_BUILTIN_UALOAD_DW, NDS32_BUILTIN_UASTORE_HW, NDS32_BUILTIN_UASTORE_W, NDS32_BUILTIN_UASTORE_DW. * config/nds32/predicates.md (nds32_lmw_smw_base_operand): New predicate. 2018-03-03 Monk Chiang Kito Cheng Chung-Ju Wu * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_null_ftype_reg): Delete. (nds32_expand_builtin_reg_ftype_imm): Ditto. (nds32_expand_builtin_null_ftype_reg_imm): Ditto. (nds32_read_argument): New. (nds32_legitimize_target): Ditto. (nds32_legitimize_argument): Ditto. (nds32_check_constant_argument): Ditto. (nds32_expand_unop_builtin): Ditto. (nds32_expand_unopimm_builtin): Ditto. (nds32_expand_binop_builtin): Ditto. (nds32_builtin_decl_impl): Ditto. (builtin_description): Ditto. (nds32_expand_builtin_impl): Rewrite with new infrastructure. (nds32_init_builtins_impl): Ditto. * config/nds32/nds32.c (TARGET_BUILTIN_DECL): Define. (nds32_builtin_decl): New. * config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_COUNT. * config/nds32/nds32-protos.h (nds32_builtin_decl_impl): Declare. 2018-03-02 Jeff Law * reorg.c (stop_search_p): Handle DEBUG_INSN. (redundant_insn, fill_simple_delay_slots): Likewise. (fill_slots_from_thread): Likewise. * resource.c (mark_referenced_resources): Likewise. (mark_set_resources, find_dead_or_set_registers): Likewise. 2018-03-02 Jakub Jelinek * substring-locations.h (format_warning_va): Formatting fix for ATTRIBUTE_GCC_DIAG. (format_warning_at_substring): Fix up ATTRIBUTE_GCC_DIAG second argument. (format_warning_n_va, format_warning_at_substring_n): New prototypes. * substring-locations.c: Include intl.h. (format_warning_va): Turned into small wrapper around format_warning_n_va, renamed to ... (format_warning_n_va): ... this, add N and PLURAL_GMSGID arguments, rename GMSGID to SINGULAR_GMSGID, if SINGULAR_GMSGID != PLURAL_GMSGID, use ngettext. (format_warning_at_substring_n): New function. * gimple-ssa-sprintf.c: Remove GCC diagnostic ignored pragma. (fmtwarn): Add ATTRIBUTE_GCC_DIAG. Turn into a copy of format_warning_at_substring with just a shorter name instead of const function pointer. (fmtwarn_n): New function. (maybe_warn, format_directive, parse_directive): Use fmtwarn_n where appropriate, get rid of all the fmtstr temporaries, move conditionals with G_() wrapped string literals directly into fmtwarn arguments, cast dir.len to (int), formatting fixes. 2018-03-02 Thomas Schwinge * doc/invoke.texi: Remove "Cilk Plus" references. 2018-03-02 Jakub Jelinek Richard Biener PR ipa/84628 * expr.c (expand_expr_real_1) : Don't emit diagnostics for error or warning attributes if CALL_FROM_THUNK_P is set. Formatting fixes. 2018-03-02 Jakub Jelinek PR target/56540 * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Predefine __SIZEOF_128__ macro if HPUX_LONG_DOUBLE_LIBRARY. PR target/56540 * config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Predefine __SIZEOF_{FPREG,FLOAT{80,128}}__ macros. * predict.c (test_prediction_value_range): Use PROB_UNINITIALIZED instead of -1U in last predictors element's probability member. 2018-03-02 Eric Botcazou PR ipa/83983 * ipa-devirt.c (odr_subtypes_equivalent_p): Get the ODR type of both arguments if they are comparable. 2018-03-02 Richard Sandiford PR tree-optimization/84634 * tree-vect-stmts.c (vectorizable_store, vectorizable_load): Replace masks and masked_loop_p with a single loop_masks, making sure it's null for bb vectorization. 2018-03-02 Richard Sandiford * tree-vect-data-refs.c (vect_analyze_data_ref_dependence) (vect_analyze_data_ref_access): Use loop->safe_len rather than loop->force_vectorize to check whether there is no alias. 2018-03-02 Jakub Jelinek PR target/84614 * rtl.h (prev_real_nondebug_insn, next_real_nondebug_insn): New prototypes. * emit-rtl.c (next_real_insn, prev_real_insn): Fix up function comments. (next_real_nondebug_insn, prev_real_nondebug_insn): New functions. * cfgcleanup.c (try_head_merge_bb): Use prev_real_nondebug_insn instead of a loop around prev_real_insn. * combine.c (move_deaths): Use prev_real_nondebug_insn instead of prev_real_insn. PR inline-asm/84625 * config/i386/i386.c (ix86_print_operand): Use conditional output_operand_lossage instead of gcc_assert if CONST_VECTOR is not zero vector. 2018-03-02 Richard Biener PR tree-optimization/84427 * tree-ssa-pre.c (bitmap_remove_expr_from_set): Remove. (bitmap_set_subtract_values): Rewrite to handle multiple exprs per value. (clean): Likewise. (prune_clobbered_mems): Likewise. (phi_translate): Take edge instead of pred/phiblock. (phi_translate_1): Likewise. (phi_translate_set): Likewise. Insert all translated exprs for a value into the set, keeping possibly multiple expressions per value. (compute_antic_aux): Adjust for phi_translate changes. When intersecting union the expressions and prune those not in the final value set, keeping possibly multiple expressions per value. Do not use value-insertion for unioning ANTIC_OUT U EXP_GEN - TMP_GEN but merge all expressions. Add verification that the value-sets only shrink during iteration. (compute_partial_antic_aux): Adjust for the phi_translate changes. (do_pre_regular_insertion): Likewise. (do_pre_partial_partial_insertion): Likewise. 2018-03-02 Richard Biener PR target/82005 * config/darwin.c (saved_debug_info_level): New static global. (darwin_asm_lto_start): Disable debug info generation for LTO out. (darwin_asm_lto_end): Restore debug info generation settings. 2018-03-01 Martin Liska PR sanitizer/82484 * sanopt.c (sanitize_rewrite_addressable_params): Do not handle volatile arguments. 2018-03-01 Richard Biener PR debug/84645 * dwarf2out.c (gen_variable_die): Properly handle late VLA type annotation with LTO when debug was disabled at compile-time. 2018-03-01 Matthew Fortune * config/mips/mips.c (mips_final_prescan_insn): Fix incorrect XINT with INTVAL. (mips_final_postscan_insn): Likewise. 2018-03-01 Richard Sandiford PR rtl-optimization/84528 * alias.c (init_alias_target): Add commentary. (init_alias_analysis): Only give HARD_FRAME_POINTER_REGNUM a unique base value if the frame pointer is not eliminated to the stack pointer. 2018-03-01 Tom de Vries PR rtl-optimization/83327 * lra-int.h (hard_regs_spilled_into): Declare. * lra.c (hard_regs_spilled_into): Define. (init_reg_info): Init hard_regs_spilled_into. * lra-spills.c (assign_spill_hard_regs): Update hard_regs_spilled_into. * lra-lives.c (make_hard_regno_born, make_hard_regno_dead) (process_bb_lives): Handle hard_regs_spilled_into. (lra_create_live_ranges_1): Before doing liveness propagation, clear regs in all_hard_regs_bitmap if set in hard_regs_spilled_into. 2018-02-28 David Edelsohn * config.gcc (powerpc-ibm-aix7.1.*): New stanza. (powerpc-ibm-aix[789]*): Default to AIX 7.2. * config/rs6000/aix71.h (TARGET_DEFAULT): Revert to Power4 ISA. * config/rs6000/aix72.h: New file. 2018-02-28 Jakub Jelinek * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Use warning_n instead of warning_at with conditional singular and plural messages where possible. PR target/52991 * stor-layout.c (update_alignment_for_field): For targetm.ms_bitfield_layout_p (rli->t), if !is_bitfield && !DECL_PACKED (field), do the alignment update, just use only desired_align instead of MAX (type_align, desired_align) as the alignment. (place_field): Don't do known_align < desired_align handling early if targetm.ms_bitfield_layout_p (rli->t) and rli->prev_field is non-NULL, instead do it after rli->prev_field handling and only if not within a bitfield word. For DECL_PACKED (field) use type_align of BITS_PER_UNIT. 2018-02-28 Eric Botcazou * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Remove superfluous parentheses and trailing spaces. 2018-02-28 Richard Biener PR tree-optimization/84584 * graphite-scop-detection.c (scop_detection::add_scop): Discard SCoPs with fake exit edge. 2018-02-28 Martin Liska PR testsuite/84597 * timevar.c (timer::print): Fix format to properly print 100% values. 2018-02-28 Richard Biener PR middle-end/84607 * genmatch.c (capture_info::walk_match): Do not mark captured expressions without operands as expr_p given they act more like predicates and should be subject to "lost tail" side-effect preserving. 2018-02-28 Alexandre Oliva PR rtl-optimization/81611 * auto-inc-dec.c (attempt_change): Move dead note from mem_insn if it's the next use of regno (find_address): Take address use of reg holding non-incremented value. Add parm to limit search to the named reg only. (merge_in_block): Attempt to use a mem insn that is the next use of the original regno. 2018-02-27 Martin Sebor PR c++/83871 * gcc/doc/invoke.texi (-Wmissing-attributes): New option. * gcc/print-tree.c (print_node): Handle DECL_UNINLINABLE. 2018-02-27 Martin Sebor PR translation/84207 * diagnostic-core.h (warning_n, error_n, inform_n): Change n argument to unsigned HOST_WIDE_INT. * diagnostic.c (warning_n, error_n, inform_n): Ditto. (diagnostic_n_impl): Ditto. Handle arguments in excess of LONG_MAX. * gimple-ssa-sprintf.c (format_directive): Simplify inform_n call. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Use warning_n. 2018-02-27 Richard Biener PR tree-optimization/84512 * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Do not use the estimate returned from record_stmt_cost for the scalar iteration cost but sum properly using add_stmt_cost. 2018-02-27 Richard Biener PR tree-optimization/84466 * graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p): Adjust last change to less strictly validate use operands. 2018-02-27 Martin Liska PR gcov-profile/84548 * gcov.c (process_file): Allow partial overlap and consider it also as group functions. (output_lines): Properly calculate range of lines for a group. 2018-02-27 Martin Liska * timevar.c (timer::print_row): Remove 'usr', 'sys', 'wall' and 'ggc' suffixes. Change first column width. (timer::print): Fix formatting of the column. 2018-02-27 Alexandre Oliva * tree-ssa-live.c (remove_unused_scope_block_p): Do not preserve inline entry blocks for the sake of debug inline entry point markers alone. (remove_unused_locals): Suggest in comments a better place to force the preservation of inline entry blocks that are otherwise unused, but do not preserve them. 2018-02-26 H.J. Lu * config/i386/i386.c (ix86_output_indirect_jmp): Update comments. 2018-02-26 H.J. Lu PR target/84039 * config/i386/constraints.md (Bs): Replace ix86_indirect_branch_register with TARGET_INDIRECT_BRANCH_REGISTER. (Bw): Likewise. * config/i386/i386.md (indirect_jump): Likewise. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Peepholes of indirect call and jump via memory: Likewise. (*sibcall_GOT_32): Disallowed for TARGET_INDIRECT_BRANCH_REGISTER. (*sibcall_value_GOT_32): Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. * config/i386/i386.h (TARGET_INDIRECT_BRANCH_REGISTER): New. 2018-02-26 Eric Botcazou PR rtl-optimization/83496 * reorg.c (steal_delay_list_from_target): Change REDUNDANT array from booleans to RTXes. Call fix_reg_dead_note on every non-null element. (steal_delay_list_from_fallthrough): Call fix_reg_dead_note on a redundant insn, if any. (relax_delay_slots): Likewise. (update_reg_unused_notes): Rename REDUNDANT_INSN to OTHER_INSN. 2018-02-26 Richard Sandiford PR tree-optimization/83965 * tree-vect-patterns.c (vect_reassociating_reduction_p): Assume that grouped statements are part of a reduction chain. Return true if the statement is not marked as a reduction itself but is part of a group. (vect_recog_dot_prod_pattern): Don't check whether the statement is part of a group here. (vect_recog_sad_pattern): Likewise. (vect_recog_widen_sum_pattern): Likewise. 2018-02-26 Eric Botcazou PR debug/84545 * final.c (rest_of_clean_state): Also look for calls inside sequences. 2018-02-26 H.J. Lu PR target/84530 * config/i386/i386-protos.h (ix86_output_indirect_jmp): Remove the bool argument. (ix86_output_indirect_function_return): New prototype. (ix86_split_simple_return_pop_internal): Likewise. * config/i386/i386.c (indirect_return_via_cx): New. (indirect_return_via_cx_bnd): Likewise. (indirect_thunk_name): Handle return va CX_REG. (output_indirect_thunk_function): Create alias for __x86_return_thunk_[re]cx and __x86_return_thunk_[re]cx_bnd. (ix86_output_indirect_jmp): Remove the bool argument. (ix86_output_indirect_function_return): New function. (ix86_split_simple_return_pop_internal): Likewise. * config/i386/i386.md (*indirect_jump): Don't pass false to ix86_output_indirect_jmp. (*tablejump_1): Likewise. (simple_return_pop_internal): Change it to define_insn_and_split. Call ix86_split_simple_return_pop_internal to split it for -mfunction-return=. (simple_return_indirect_internal): Call ix86_output_indirect_function_return instead of ix86_output_indirect_jmp. 2018-02-26 Jakub Jelinek PR bootstrap/84405 * vec.h (vec_default_construct): For BROKEN_VALUE_INITIALIZATION use memset and value initialization afterwards. 2018-02-26 Christophe Lyon * Makefile.in (lto-wrapper): Use ALL_LINKERFLAGS. 2018-02-26 Ramana Radhakrishnan PR target/84521 * common/config/aarch64/aarch64-common.c (aarch_option_optimization_table[]): Switch off fomit-frame-pointer 2018-02-26 Kito Cheng Chung-Ju Wu * config/nds32/nds32-multiple.md (load_multiple): Disallow volatile memory. (store_multiple): Ditto. 2018-02-26 Kito Cheng * config.gcc: Add --with-cpu support for nds32 target. * config/nds32/nds32-opts.h (nds32_cpu_type): New. * config/nds32/nds32.opt: Add -mcpu= option. 2018-02-25 Segher Boessenkool * config/rs6000/rs6000.opt (mvrsave=no, mvrsave=yes, isel=no, isel=yes): Warn for these deprecated options. 2018-02-23 David Edelsohn * config/rs6000/aix71.h (TARGET_DEFAULT): Change to ISA_2_5_MASKS_EMBEDDED. 2018-02-23 Jakub Jelinek * ipa-prop.c (ipa_vr_ggc_hash_traits::hash): Hash p->min and p->max as pointers rather than using iterative_hash_expr. 2018-02-23 Carl Love * config/rs6000/rs6000-builtin.def: Change VSIGNED2 and VUNSIGNED2 macro expansions from BU_VSX_2 to BU_P8V_VSX_2 and BU_VSX_OVERLOAD_2 to BU_P8V_OVERLOAD_2. * config/rs6000/rs6000-c.c: Change VSX_BUILTIN_VEC_VSIGNED2 to P8V_BUILTIN_VEC_VSIGNED2. Change VSX_BUILTIN_VEC_VUNSIGNED2 to P8V_BUILTIN_VEC_VUNSIGNED2. 2018-02-22 Vladimir Makarov PR target/81572 * lra-int.h (LRA_UNKNOWN_ALT, LRA_NON_CLOBBERED_ALT): New macros. * lra.c (lra_set_insn_recog_data, lra_update_insn_recog_data): Use LRA_UNKNOWN_ALT. * lra-constraints.c (curr_insn_transform): Set up LRA_NON_CLOBBERED_ALT for moves processed on the fast path. Use LRA_UNKNOWN_ALT. (remove_inheritance_pseudos): Use LRA_UNKNOWN_ALT. * lra-eliminations.c (spill_pseudos): Ditto. (process_insn_for_elimination): Ditto. * lra-lives.c (reg_early_clobber_p): Use the new macros. * lra-spills.c (spill_pseudos): Use LRA_UNKNOWN_ALT and LRA_NON_CLOBBERED_ALT. 2018-02-22 Martin Sebor PR tree-optimization/84480 * gimple-fold.c (gimple_fold_builtin_strcpy): Move warnings to maybe_diag_stxncpy_trunc. Call it. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Integrate warnings from gimple_fold_builtin_strcpy. Print inlining stack. (handle_builtin_stxncpy): Print inlining stack. * tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Declare. 2018-02-22 H.J. Lu PR target/84176 * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an error when -mindirect-branch=thunk-extern, -fcf-protection=branch and -fcheck-pointer-bounds are used together. (indirect_thunk_prefix): New enum. (indirect_thunk_need_prefix): New function. (indirect_thunk_name): Replace need_bnd_p with need_prefix. Use "_nt" instead of "_bnd" for NOTRACK prefix. (output_indirect_thunk): Replace need_bnd_p with need_prefix. (output_indirect_thunk_function): Likewise. (): Likewise. (ix86_code_end): Update output_indirect_thunk_function calls. (ix86_output_indirect_branch_via_reg): Replace ix86_bnd_prefixed_insn_p with indirect_thunk_need_prefix. (ix86_output_indirect_branch_via_push): Likewise. (ix86_output_function_return): Likewise. * doc/invoke.texi: Document -mindirect-branch=thunk-extern is incompatible with -fcf-protection=branch and -fcheck-pointer-bounds. 2018-02-22 Steve Ellcey PR target/83335 * config/aarch64/aarch64.c (aarch64_print_address_internal): Change gcc_assert call to output_operand_lossage. 2018-02-22 Steve Ellcey * doc/extend.texi (__builtin_extend_pointer): Document builtin. 2018-02-22 DJ Delorie Sebastian Perta Oleg Endo * config/rx/rx.c (rx_rtx_costs): New function. (TARGET_RTX_COSTS): Override to use rx_rtx_costs. 2018-02-22 Thomas Preud'homme * config/arm/t-multilib: Map Armv8-R to Armv7 multilibs. 2018-02-22 Martin Liska PR driver/83193 * common/config/arm/arm-common.c (arm_print_hint_for_cpu_option): Add "native" as a possible value. 2018-02-22 Martin Liska PR driver/83193 * config/i386/i386.c (ix86_option_override_internal): Add "native" as a possible value for -march and -mtune. 2018-02-22 Jakub Jelinek PR target/84502 * stor-layout.c (finalize_type_size): Propagate TYPE_EMPTY_P flag to all type variants. PR tree-optimization/84503 * gimple-ssa-store-merging.c (merged_store_group::merge_into): Compute width as info->bitpos + info->bitsize - start. (merged_store_group::merge_overlapping): Simplify width computation. (check_no_overlap): New function. (imm_store_chain_info::try_coalesce_bswap): Compute expected start + width and last_order of the group, fail if check_no_overlap fails. (imm_store_chain_info::coalesce_immediate_stores): Don't merge info to group if check_no_overlap fails. 2018-02-21 Segher Boessenkool * config/rs6000/altivec.md: Delete contraint arguments to define_expand, define_split, and define_peephole2, and in define_insn_and_split if always unused. * config/rs6000/darwin.md: Ditto. * config/rs6000/dfp.md: Ditto. * config/rs6000/rs6000.md: Ditto. * config/rs6000/sync.md: Ditto. * config/rs6000/vector.md: Ditto. * config/rs6000/vsx.md: Ditto. 2018-02-21 Segher Boessenkool * config/rs6000/altivec.md: Write output control strings as braced blocks instead of double-quoted strings. * config/rs6000/darwin.md: Ditto. * config/rs6000/rs6000.md: Ditto. * config/rs6000/vector.md: Ditto. * config/rs6000/vsx.md: Ditto. 2018-02-21 Jason Merrill PR c++/84314 - ICE with templates and fastcall attribute. * attribs.c (build_type_attribute_qual_variant): Remove assert. 2018-02-21 Jan Hubicka * ipa-cp.c (determine_versionability): Fix comment typos. 2018-02-21 Jan Hubicka PR c/84229 * ipa-cp.c (determine_versionability): Do not version functions caling va_arg_pack. 2018-02-21 Martin Liska PR driver/83193 * config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch): Add "native" as a possible value. * config/aarch64/aarch64.h (HAVE_LOCAL_CPU_DETECT): Define the macro when native cpu detection is available. 2018-02-21 Martin Liska PR driver/83193 * common/config/arm/arm-common.c (arm_print_hint_for_arch_option): Add "native" as a possible value. * config/arm/arm.h (HAVE_LOCAL_CPU_DETECT): Define the macro when native cpu detection is available. 2018-02-21 Jakub Jelinek Martin Sebor PR tree-optimization/84478 * gimple-fold.h (get_range_strlen): Add a bool argument defaulted to false. * gimple-fold.c (get_range_strlen): Make minlen const and assume it can't be NULL. Change FUZZY from bool to int, for 1 add PHI/COND_EXPR support which is conservatively correct, for 2 only stay conservative for maxlen. Formatting and comment capitalization fixes. Add STRICT argument to the 2 argument get_range_strlen, adjust 6 arg get_range_strlen caller and clear minmaxlen[0] and [1] if it returned false. (get_maxval_strlen): Adjust 6 arg get_range_strlen caller. (gimple_fold_builtin_strlen): Pass true as last argument to get_range_strlen. 2018-02-20 Martin Sebor PR middle-end/84095 * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range): New. (builtin_memref::set_base_and_offset): Same. Handle inner references. (builtin_memref::builtin_memref): Factor out parts into set_base_and_offset and call it. 2018-02-20 Richard Sandiford PR middle-end/84406 * optabs-query.c (find_widening_optab_handler_and_mode): If from_mode is a scalar_int_mode, assert that to_mode is a scalar_int_mode with greater precision. If to_mode is a MODE_PARTIAL_INT, stop the search at the associated MODE_INT. 2018-02-20 Jeff Law PR middle-end/82123 PR tree-optimization/81592 PR middle-end/79257 * gimple-ssa-sprintf.c (format_integer): Query EVRP range analyzer for range data rather than using global data. * gimple-ssa-sprintf.c (get_int_range): Query EVRP range analyzer for range data rather than using global data. * gimple-ssa-sprintf.c (get_int_range): Accept vr_values parameter pass it to children as needed. (struct directive::fmtresult): Similarly. (struct directive::set_width): Similarly. (struct directive::set_precision): Similarly. (format_integer, format_directive, parse_directive): Similarly. (format_none): Accept unnamed vr_values parameter. (format_percent, format_floating, format_character): Similarly. (format_string, format_plain): Similarly. * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Query the EVRP range analyzer for range data rather than using global data. * gimple-ssa-sprintf.c: Include alloc-pool.h, vr-values.h and gimple-ssa-evrp-analyze.h (class sprintf_dom_walker): Add after_dom_children member function. Add evrp_range_analyzer member. (sprintf_dom_walker::before_dom_children): Call into the EVRP range analyzer as needed. (sprintf_dom_walker::after_dom_children): New member function. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::enter): Do nothing if not optimizing. (evrp_range_analyzer::record_ranges_from_stmt): Likewise. (evrp_range_analyzer::pop_to_marker): Likewise. 2018-02-20 Richard Sandiford PR tree-optimization/84419 * internal-fn.c (expand_call_mem_ref): Create a TARGET_MEM_REF with the required type if its current type is compatible but different. 2018-02-20 Jakub Jelinek PR middle-end/82004 * match.pd (pow(C,x) -> exp(log(C)*x)): Delay all folding until after vectorization. 2018-02-20 Martin Liska PR driver/83193 * config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch): Print possible values if we don't have a hint. 2018-02-20 Martin Liska PR c/84310 PR target/79747 * final.c (shorten_branches): Build align_tab array with one more element. * opts.c (finish_options): Add alignment option limit check. (MAX_CODE_ALIGN): Likewise. (MAX_CODE_ALIGN_VALUE): Likewise. * doc/invoke.texi: Document maximum allowed option value for all -falign-* options. 2018-02-19 Jakub Jelinek PR target/84146 * reg-notes.def (REG_CALL_ARG_LOCATION): New reg note. * insn-notes.def (NOTE_INSN_CALL_ARG_LOCATION): Remove. * var-tracking.c (emit_note_insn_var_location): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. (emit_notes_in_bb): Emit arguments as REG_CALL_ARG_LOCATION note on the CALL_INSN rather than separate NOTE_INSN_CALL_ARG_LOCATION note. Use copy_rtx_if_shared. * dwarf2out.c (gen_subprogram_die): Use XEXP with 0 instead of NOTE_VAR_LOCATION on ca_loc->call_arg_loc_note. (dwarf2out_var_location): Remove handling of NOTE_INSN_CALL_ARG_LOCATION, instead handle REG_CALL_ARG_LOCATION note on call_insn. * final.c (final_scan_insn): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. (rest_of_clean_state): Likewise. Remove REG_CALL_ARG_LOCATION notes before dumping final insns. * except.c (emit_note_eh_region_end): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. * config/alpha/alpha.c (alpha_pad_function_end): Likewise. * config/c6x/c6x.c (c6x_gen_bundles): Likewise. * config/arc/arc.c (hwloop_optimize): Likewise. * config/arm/arm.c (create_fix_barrier): Likewise. * config/s390/s390.c (s390_chunkify_start): Likewise. * config/sh/sh.c (find_barrier): Likewise. * config/i386/i386.c (rest_of_insert_endbranch, ix86_seh_fixup_eh_fallthru): Likewise. * config/xtensa/xtensa.c (hwloop_optimize): Likewise. * config/iq2000/iq2000.c (final_prescan_insn): Likewise. * config/frv/frv.c (frv_function_prologue): Likewise. * emit-rtl.c (try_split): Likewise. Copy over REG_CALL_ARG_LOCATION reg note. (note_outside_basic_block_p): Remove all references to NOTE_INSN_CALL_ARG_LOCATION. * gengtype.c (adjust_field_rtx_def): Likewise. * print-rtl.c (rtx_writer::print_rtx_operand_code_0, print_insn): Likewise. * jump.c (cleanup_barriers, delete_related_insns): Likewise. * cfgrtl.c (force_nonfallthru_and_redirect): Likewise. PR c++/84444 * builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t) is ADDR_EXPR. PR tree-optimization/84452 * tree-vect-patterns.c (vect_recog_pow_pattern): Don't call expand_simd_clones if targetm.simd_clone.compute_vecsize_and_simdlen is NULL. 2018-02-19 Martin Liska PR sanitizer/82183 * passes.def: Put pass_sancov_O0 before pass_lower_switch with -O0. 2018-02-19 Martin Liska Richard Sandiford PR tree-optimization/82491 * gimple-fold.c (get_base_constructor): Make earlier bail out to prevent ubsan. 2018-02-19 Carl Love * config/rs6000/rs6000-builtin.def: Change NEG macro expansions from BU_ALTIVEC_A to BU_P8V_AV_1 and BU_ALTIVEC_OVERLOAD_1 to BU_P8V_OVERLOAD_1. * config/rs6000/rs6000-c.c: Change ALTIVEC_BUILTIN_VEC_NEG to P8V_BUILTIN_VEC_NEG. 2018-02-19 Sebastian Perta * config/rl78/rl78.md (movdf): New define expand. 2018-02-19 Martin Liska PR other/80589 * doc/invoke.texi: Fix typo. * params.def (PARAM_MAX_LOOP_HEADER_INSNS): Likewise. 2018-02-18 Segher Boessenkool * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't handle rs6000_single_float and rs6000_double_float specially for e500 family CPUs. 2018-02-16 Jeff Law * config/rx/rx.c (add_pop_cfi_notes): New function.; (pop_regs): Use it. 2018-02-16 Jakub Jelinek PR ipa/84425 * ipa-inline.c (inline_small_functions): Fix a typo. 2018-02-16 Nathan Sidwell * doc/extend.texi (Backwards Compatibility): Americanize 'behaviour'. 2018-02-16 Carl Love * config/rs6000/rs6000-builtin.def: Add BU_P8V_VSX_2 macro definition. Change FLOAT2 expansions from BU_VSX_2 to BU_P8V_VSX_2 and from BU_VSX_OVERLOAD_2 to BU_P8V_OVERLOAD_2. * config/rs6000/rs6000-c.c: Changed macro VSX_BUILTIN_VEC_FLOAT2 expansion to P8V_BUILTIN_VEC_FLOAT2. 2018-02-16 Vladimir Makarov PR rtl-optimization/70023 * lra-constraints.c (inherit_in_ebb): Take hard reg mode of src_regno into account. 2018-02-16 Carl Love * config/rs6000/altivec.h: Remove vec_vextract4b and vec_vinsert4b. * config/rs6000/rs6000-builtin.def: Remove macro expansion for VEXTRACT4B, VINSERT4B, VINSERT4B_DI and VEXTRACT4B. * config/rs6000/rs6000.c: Remove case statements for P9V_BUILTIN_VEXTRACT4B, P9V_BUILTIN_VEC_VEXTRACT4B, P9V_BUILTIN_VINSERT4B, P9V_BUILTIN_VINSERT4B_DI, and P9V_BUILTIN_VEC_VINSERT4B. * config/rs6000/rs6000-c.c (altivec_expand_builtin): Remove entries for P9V_BUILTIN_VEC_VEXTRACT4B and P9V_BUILTIN_VEC_VINSERT4B. * config/rs6000/vsx.md: * doc/extend.texi: Remove vec_vextract4b, non ABI definitions for vec_insert4b. 2018-02-16 Carl Love * config/rs6000/altivec.h: Add builtin names vec_extract4b vec_insert4b. * config/rs6000/rs6000-builtin.def: Add INSERT4B and EXTRACT4B definitions. * config/rs6000/rs6000-c.c: Add the definitions for P9V_BUILTIN_VEC_EXTRACT4B and P9V_BUILTIN_VEC_INSERT4B. * config/rs6000/rs6000.c (altivec_expand_builtin): Add P9V_BUILTIN_EXTRACT4B and P9V_BUILTIN_INSERT4B case statements. * config/rs6000/vsx.md: Add define_insn extract4b. Add define_expand definition for insert4b and define insn *insert3b_internal. * doc/extend.texi: Add documentation for vec_extract4b. 2018-02-16 Nathan Sidwell * doc/extend.texi (Backwards Compatibility): Mention friend injection. Note for-scope is deprecated. * doc/invoke.texi (-ffriend-injection): Deprecate. 2018-02-16 Segher Boessenkool * combine.c (try_combine): When adjusting LOG_LINKS for the destination that moved to I2, also allow destinations that are a paradoxical subreg (instead of a normal reg). 2018-02-16 Oleg Endo PR target/83831 * config/rx/rx.c (rx_fuse_in_memory_bitop): Convert shift operand to QImode. 2018-02-16 Richard Biener PR tree-optimization/84037 PR tree-optimization/84016 PR target/82862 * config/i386/i386.c (ix86_builtin_vectorization_cost): Adjust vec_construct for the fact we need additional higher latency 128bit inserts for AVX256 and AVX512 vector builds. (ix86_add_stmt_cost): Scale vector construction cost for elementwise loads. 2018-02-16 Richard Biener PR tree-optimization/84417 * tree-ssa.c (non_rewritable_mem_ref_base): Properly constrain the MEM_REF offset when conversion to BIT_FIELD_REF is desired. (non_rewritable_lvalue_p): Likewise, use poly-ints. 2018-02-16 Martin Liska PR sanitizer/84307 * internal-fn.def (ASAN_CHECK): Set proper flags. (ASAN_MARK): Likewise. 2018-02-16 Julia Koval * config/i386/i386.c (ix86_option_override_internal): Remove PTA_CLWB from PTA_CANNONLAKE. 2018-02-16 Jakub Jelinek PR target/84272 * config/aarch64/cortex-a57-fma-steering.c (fma_forest::merge_forest): Use ++iter rather than iter++ for std::list iterators. (func_fma_steering::dfs): Likewise. Don't delete nodes right away, defer deleting them until all nodes in the forest are processed. Do free even leaf nodes. Change to_process into auto_vec. PR bootstrap/84405 * system.h (BROKEN_VALUE_INITIALIZATION): Define for GCC < 4.3. * vec.h (vec_default_construct): Use memset instead of placement new if BROKEN_VALUE_INITIALIZATION is defined. * hash-table.h (hash_table::empty_slow): Use memset instead of value initialization if BROKEN_VALUE_INITIALIZATION is defined. PR rtl-optimization/83723 * lra-int.h (lra_substitute_pseudo): Add DEBUG_P argument. * lra.c (lra_substitute_pseudo): Likewise. If true, use gen_rtx_raw_SUBREG instead of gen_rtx_SUBREG. Pass DEBUG_P to recursive calls. (lra_substitute_pseudo_within_insn): Adjust lra_substitute_pseudo callers. * lra-constraints.c (inherit_reload_reg, split_reg): Likewise. 2018-02-16 Eric Botcazou PR rtl-optimization/81443 * rtlanal.c (num_sign_bit_copies1) : Do not propagate results from inner REGs to paradoxical SUBREGs. 2018-02-16 Richard Biener PR tree-optimization/84399 * graphite-scop-detection.c (scop_detection::stmt_simple_for_scop_p): For operands we can analyze at their definition make sure we can analyze them at each use as well. 2018-02-16 Richard Biener PR tree-optimization/84190 * tree-ssa.c (non_rewritable_mem_ref_base): Do not touch volatile accesses if the decl isn't volatile. 2018-02-15 Jason Merrill PR c++/84314 - ICE with templates and fastcall attribute. * attribs.c (build_type_attribute_qual_variant): Don't clobber TYPE_CANONICAL on an existing type. 2018-02-15 Jakub Jelinek PR tree-optimization/84383 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Don't look at dstoff nor call operand_equal_p if dstbase is NULL. PR tree-optimization/84334 * match.pd ((A +- CST1) +- CST2 -> A + CST3): If A is also a CONSTANT_CLASS_P, punt. 2018-02-14 Jim Wilson * config/riscv/riscv.c (riscv_first_stack_step): Move locals after first SMALL_OPERAND check. New local min_second_step. Move assert to where locals are set. Add TARGET_RVC support. * config/riscv/riscv.h (C_SxSP_BITS, SWSP_REACH, SDSP_REACH): New. 2018-02-14 Indu Bhagat * doc/invoke.texi: Correct -Wformat-overflow code sample. 2018-02-14 Martin Sebor PR tree-optimization/83698 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For arrays constrain the offset range to their bounds. (builtin_access::strcat_overlap): Adjust the bounds of overlap offset. (builtin_access::overlap): Avoid setting the size of overlap if it's already been set. (maybe_diag_overlap): Also consider arrays when deciding what values of offsets to include in diagnostics. 2018-02-14 Martin Sebor PR c/84108 * attribs.c (diag_attr_exclusions): Consider the exclusion(s) that correspond to the kind of a declaration. 2018-02-14 John David Anglin PR target/83984 * config/pa/pa.md: Load address of PIC label using the linkage table if the label is nonlocal. 2018-02-14 Kelvin Nilsen * config/rs6000/rs6000.c (rs6000_option_override_internal): Issue warning message if user requests -maltivec=be. * doc/invoke.texi: Document deprecation of -maltivec=be. 2018-02-14 Will Schmidt PR target/84220 * config/rs6000/rs6000-c.c: Update definitions for ALTIVEC_BUILTIN_VEC_SLD, ALTIVEC_BUILTIN_VEC_SLDW, VEC_XXSLDWI and ALTIVEC_BUILTIN_VEC_XXPERMDI builtins. 2018-02-14 Igor Tsimbalist PR target/84239 * config/i386/cetintrin.h: Remove _rdssp[d|q] and add _get_ssp intrinsics. Remove argument from __builtin_ia32_rdssp[d|q]. * config/i386/i386-builtin-types.def: Add UINT_FTYPE_VOID. * config/i386/i386-builtin.def: Remove argument from __builtin_ia32_rdssp[d|q]. * config/i386/i386.c: Use UINT_FTYPE_VOID. Use ix86_expand_special_args_builtin for _rdssp[d|q]. * config/i386/i386.md: Remove argument from rdssp[si|di] insn. Clear register before usage. * doc/extend.texi: Remove argument from __builtin_ia32_rdssp[d|q]. Add documentation for new _get_ssp and _inc_ssp intrinsics. 2018-02-14 Richard Sandiford PR tree-optimization/84357 * tree-data-ref.c (object_address_invariant_in_loop_p): Check operand 1 of an ARRAY_REF too. 2018-02-14 Oleg Endo PR target/83831 * config/rx/rx-protos.h (rx_reg_dead_or_unused_after_insn, rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New declarations. (set_of_reg): New struct. (rx_find_set_of_reg, rx_find_use_of_reg): New functions. * config/rx/rx.c (rx_reg_dead_or_unused_after_insn, rx_copy_reg_dead_or_unused_notes, rx_fuse_in_memory_bitop): New functions. * config/rx/rx.md (andsi3, iorsi3, xorsi3): Convert to insn_and_split. Split into bitclr, bitset, bitinvert patterns if appropriate. (*bitset, *bitinvert, *bitclr): Convert to named insn_and_split and use rx_fuse_in_memory_bitop. (*bitset_in_memory, *bitinvert_in_memory, *bitclr_in_memory): Convert to named insn, correct maximum insn length. 2018-02-14 Jozef Lawrynowicz PR target/79242 * machmode.def: Define a complex mode for PARTIAL_INT. * genmodes.c (complex_class): Return MODE_COMPLEX_INT for MODE_PARTIAL_INT. * doc/rtl.texi: Document CSPImode. * config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode handling. (msp430_hard_regno_nregs_with_padding): Likewise. 2018-02-13 Peter Bergner PR target/84279 * config/rs6000/rs6000.c (mem_operand_gpr): Disallow altivec addresses. 2018-02-13 Segher Boessenkool PR rtl-optimization/84169 * combine.c (try_combine): New variable split_i2i3. Set it to true if we generated a parallel as new i3 and we split that to new i2 and i3 instructions. Handle split_i2i3 similar to swap_i2i3: scan the LOG_LINKs of i3 to see which of those need to link to i2 now. Link those to i2, not i1. Partially rewrite this scan code. 2018-02-13 Jakub Jelinek PR c/82210 * stor-layout.c (place_field): For variable length fields, adjust offset_align afterwards not just based on the field's alignment, but also on the size. PR middle-end/84309 * match.pd (pow(C,x) -> exp(log(C)*x)): Use exp2s and log2s instead of exps and logs in the use_exp2 case. 2018-02-13 Jeff Law * config/rl/rl78.c (rl78_attribute_table): Fix terminator and entry for "vector". * config/rl78/rl78.c (rl78_handle_func_attribute): Mark ARGS as unused. 2018-02-13 Alexandre Oliva PR debug/84342 PR debug/84319 * common.opt (gas-loc-support, gas-locview-support): New. (ginline-points, ginternal-reset-location-views): New. * doc/invoke.texi: Document them. Use @itemx where intended. (gvariable-location-views): Adjust. * target.def (reset_location_view): New. * doc/tm.texi.in (DWARF2_ASM_VIEW_DEBUG_INFO): New. (TARGET_RESET_LOCATION_VIEW): New. * doc/tm.texi: Rebuilt. * dwarf2out.c (dwarf2out_default_as_loc_support): New. (dwarf2out_default_as_locview_support): New. (output_asm_line_debug_info): Use option variables. (dwarf2out_maybe_output_loclist_view_pair): Likewise. (output_loc_list): Likewise. (add_high_low_attributes): Check option variables. Don't output entry view attribute in strict mode. (gen_inlined_subroutine_die): Check option variables. (dwarf2out_inline_entry): Likewise. (init_sections_and_labels): Likewise. (dwarf2out_early_finish): Likewise. (maybe_reset_location_view): New, from... (dwarf2out_var_location): ... here. Call it. * debug.h (dwarf2out_default_as_loc_support): Declare. (dwarf2out_default_as_locview_support): Declare. * hooks.c (hook_int_rtx_insn_0): New. * hooks.h (hook_int_rtx_insn_0): Declare. * toplev.c (process_options): Take -gas-loc-support and -gas-locview-support from dwarf2out. Enable -gvariable-location-views by default only with locview assembler support. Enable -ginternal-reset-location-views by default only if the target defines the corresponding hook. Enable -ginline-points by default if location views are enabled; force it disabled if statement frontiers are disabled. * tree-inline.c (expand_call_inline): Check option variables. * tree-ssa-live.c (remove_unused_scope_block_p): Likewise. 2018-02-13 Richard Sandiford PR tree-optimization/84321 * tree-vrp.c (intersect_range_with_nonzero_bits): Fix VR_ANTI_RANGE handling. Also check whether the anti-range contains any values that satisfy the mask; switch to a VR_RANGE if not. 2018-02-13 Paolo Bonzini PR sanitizer/84340 * internal-fn.def (ASAN_CHECK, ASAN_MARK): Revert changes to fnspec. 2018-02-13 Martin Jambor PR c++/83990 * ipa-param-manipulation.c (ipa_modify_call_arguments): Use location of call statements, also set location of a load to a temporary. 2018-02-13 Sebastian Perta * config/rl78/rl78.c (add_vector_labels): New function. * config/rl78/rl78.c (rl78_handle_vector_attribute): New function. * config/rl78/rl78.c (rl78_start_function): Call add_vector_labels. * config/rl78/rl78.c (rl78_handle_func_attribute): Removed the assert which checks that no arguments are passed. * config/rl78/rl78.c (rl78_attribute_table): Add "vector" attribute. * doc/extend.texi: Documentation for the new attribute. 2018-02-13 Andreas Schwab * config/riscv/linux.h (CPP_SPEC): Define. 2018-02-13 Jakub Jelinek PR target/84335 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Pass OPTION_MASK_ISA_AES | OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_AES as first argument to def_builtin_const for AES builtins. Pass OPTION_MASK_ISA_PCLMUL | OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_PCLMUL as first argument to def_builtin_const for __builtin_ia32_pclmulqdq128 builtin. * config/i386/wmmintrin.h: If __SSE2__ is not defined, enable it temporarily for AES and PCLMUL builtins. PR tree-optimization/84339 * gimple-fold.c (get_range_strlen): Set *FLEXP to true when handling ARRAY_REF where first operand is array_at_struct_end_p COMPONENT_REF. Formatting fixes. PR middle-end/84309 * match.pd (pow(C,x) -> exp(log(C)*x)): Optimize instead into exp2(log2(C)*x) if C is a power of 2 and c99 runtime is available. * generic-match-head.c (canonicalize_math_after_vectorization_p): New inline function. * gimple-match-head.c (canonicalize_math_after_vectorization_p): New inline function. * omp-simd-clone.h: New file. * omp-simd-clone.c: Include omp-simd-clone.h. (expand_simd_clones): No longer static. * tree-vect-patterns.c: Include fold-const-call.h, attribs.h, cgraph.h and omp-simd-clone.h. (vect_recog_pow_pattern): Optimize pow(C,x) to exp(log(C)*x). (vect_recog_widen_shift_pattern): Formatting fix. (vect_pattern_recog_1): Don't check optab for calls. PR target/84336 * config/i386/sse.md (_vpermi2var3_mask): Force operands[2] into a REG before using gen_lowpart on it. 2018-02-12 Jeff Law PR target/83760 * config/sh/sh.c (find_barrier): Consider a sibling call a barrier as well. * cse.c (try_back_substitute_reg): Move any REG_ARGS_SIZE note when successfully back substituting a reg. 2018-02-12 Richard Biener PR tree-optimization/84037 * tree-vect-slp.c (vect_analyze_slp_cost): Add visited parameter, move visited init to caller. (vect_slp_analyze_operations): Separate cost from validity check, initialize visited once for all instances. (vect_schedule_slp): Analyze map to CSE vectorized nodes once for all instances. * tree-vect-stmts.c (vect_model_simple_cost): Make early out an assert. (vect_model_promotion_demotion_cost): Likewise. (vectorizable_bswap): Guard cost modeling with !slp_node instead of !PURE_SLP_STMT to avoid double-counting on hybrid SLP stmts. (vectorizable_call): Likewise. (vectorizable_conversion): Likewise. (vectorizable_assignment): Likewise. (vectorizable_shift): Likewise. (vectorizable_operation): Likewise. (vectorizable_store): Likewise. (vectorizable_load): Likewise. (vectorizable_condition): Likewise. (vectorizable_comparison): Likewise. 2018-02-12 Paolo Bonzini PR sanitizer/84307 * internal-fn.def (ASAN_CHECK): Fix fnspec to account for return value. (ASAN_MARK): Fix fnspec to account for return value, change pointer argument from 'R' to 'W' so that the pointed-to datum is clobbered. 2018-02-08 Jan Hubicka PR middle-end/83665 * params.def (inline-min-speedup): Increase from 8 to 15. (max-inline-insns-auto): Decrease from 40 to 30. * ipa-split.c (consider_split): Add some buffer for function to be considered inlining candidate. * invoke.texi (max-inline-insns-auto, inline-min-speedup): UPdate default values. 2018-02-12 Richard Biener PR tree-optimization/84037 * tree-vect-slp.c (vect_build_slp_tree_2): Try swapping the matched stmts if we cannot swap the non-matched ones. 2018-02-12 Olga Makhotina * config/i386/avx512fintrin.h (_mm_mask_scalef_round_sd, _mm_maskz_scalef_round_sd, _mm_mask_scalef_round_ss, _mm_maskz_scalef_round_ss): New intrinsics. (__builtin_ia32_scalefsd_round, __builtin_ia32_scalefss_round): Fix. * config/i386/i386-builtin.def (__builtin_ia32_scalefsd_round, __builtin_ia32_scalefss_round): Remove. (__builtin_ia32_scalefsd_mask_round, __builtin_ia32_scalefss_mask_round): New intrinsics. * config/i386/sse.md (vmscalef): Renamed to ... (vmscalef): ... this. ((match_operand:VF_128 2 "" "")): Changed to ... ((match_operand:VF_128 2 "" "")): ... this. ("vscalef\t{%2, %1, %0| %0, %1, %2}"): Changed to ... ("vscalef\t{%2, %1, %0|%0, %1, %2}"): ... this. * config/i386/subst.md (round_scalar_nimm_predicate): New. 2018-02-12 Olga Makhotina * config/i386/avx512fintrin.h (_mm_mask_sqrt_round_sd) (_mm_maskz_sqrt_round_sd, _mm_mask_sqrt_round_ss) (_mm_maskz_sqrt_round_ss): New intrinsics. (__builtin_ia32_sqrtsd_round, __builtin_ia32_sqrtss_round): Remove. (__builtin_ia32_sqrtsd_mask_round) (__builtin_ia32_sqrtss_mask_round): New builtins. * config/i386/i386-builtin.def (__builtin_ia32_sqrtsd_round) (__builtin_ia32_sqrtss_round): Remove. (__builtin_ia32_sqrtsd_mask_round) (__builtin_ia32_sqrtss_mask_round): New builtins. * config/i386/sse.md (vmsqrt2): Renamed to ... (vmsqrt2): ... this. ((match_operand:VF_128 1 "vector_operand" "xBm,")): Changed to ... ((match_operand:VF_128 1 "vector_operand" "xBm,")): ... this. (vsqrt\t{%1, %2, %0| %0, %2, %1}): Changed to ... (vsqrt\t{%1, %2, %0|%0, %2, %1}): ... this. ((set_attr "prefix" "")): Changed to ... ((set_attr "prefix" "")): ... this. 2018-02-11 Steven Munroe PR target/84266 * config/rs6000/mmintrin.h (_mm_cmpeq_pi32 [_ARCH_PWR9]): Cast vec_cmpeq result to correct type. * config/rs6000/mmintrin.h (_mm_cmpgt_pi32 [_ARCH_PWR9]): Cast vec_cmpgt result to correct type. 2018-02-11 Alexandre Oliva * final.c (final_scan_insn_1): Renamed from... (final_scan_insn): ... this. New wrapper, to recover seen from the outermost call in recursive ones. * config/sparc/sparc.c (output_return): Drop seen from call. (output_sibcall): Likewise. * config/visium/visium.c (output_branch): Likewise. 2018-02-10 John David Anglin * config/pa/pa.c (hppa_profile_hook): Mark SYMBOL_REF for _mcount as function label. 2018-02-10 Alan Modra PR target/84300 * config/rs6000/rs6000.md (split_stack_return): Remove (use ..). Specify LR as an input. 2018-02-10 Jakub Jelinek PR sanitizer/83987 * omp-low.c (maybe_remove_omp_member_access_dummy_vars, remove_member_access_dummy_vars): New functions. (lower_omp_for, lower_omp_taskreg, lower_omp_target, lower_omp_1, execute_lower_omp): Use them. PR rtl-optimization/84308 * shrink-wrap.c (spread_components): Release todo vector. 2018-02-09 Vladimir Makarov PR rtl-optimization/57193 * ira-color.c (struct allocno_color_data): Add member conflict_allocno_hard_prefs. (update_conflict_allocno_hard_prefs): New. (bucket_allocno_compare_func): Add a preference based on conflict_allocno_hard_prefs. (push_allocno_to_stack): Update conflict_allocno_hard_prefs. (color_allocnos): Remove a dead code. Initiate conflict_allocno_hard_prefs. Call update_costs_from_prefs. 2018-02-09 Jakub Jelinek PR target/84226 * config/rs6000/vsx.md (p9_xxbrq_v16qi): Change input operand constraint from =wa to wa. Avoid a subreg on the output operand, instead use a pseudo and subreg it in a move. (p9_xxbrd_): Changed to ... (p9_xxbrd_v2di): ... this insn, without VSX_D iterator. (p9_xxbrd_v2df): New expander. (p9_xxbrw_): Changed to ... (p9_xxbrw_v4si): ... this insn, without VSX_W iterator. (p9_xxbrw_v4sf): New expander. 2018-02-09 Sebastian Perta * config/rx/rx.md (movsicc): Update expander to be matched by GCC. 2018-02-09 Peter Bergner PR target/83926 * config/rs6000/vsx.md (vsx_mul_v2di): Handle generating a 64-bit multiply in 32-bit mode. (vsx_div_v2di): Handle generating a 64-bit signed divide in 32-bit mode. (vsx_udiv_v2di): Handle generating a 64-bit unsigned divide in 32-bit mode. 2018-02-09 Sebastian Perta * config/rx/constraints.md (CALL_OP_SYMBOL_REF): Added new constraint to allow or block "symbol_ref" depending on the value of TARGET_JSR. * config/rx/rx.md (call_internal): Use CALL_OP_SYMBOL_REF. * config/rx/rx.md (call_value_internal): Use CALL_OP_SYMBOL_REF. 2018-02-09 Pierre-Marie de Rodat PR lto/84213 * dwarf2out.c (is_trivial_indirect_ref): New function. (dwarf2out_late_global_decl): Do not generate a location attribute for variables that have a non-trivial DECL_VALUE_EXPR and that are not defined in the current unit. 2018-02-09 Eric Botcazou * optabs.c (prepare_cmp_insn): Try harder to emit a direct comparison instead of a libcall for UNORDERED. 2018-02-09 Tamar Christina PR target/82641 * config/arm/arm-c.c (arm_cpu_builtins): Un-define __ARM_FEATURE_LDREX, __ARM_ARCH_PROFILE, __ARM_ARCH_ISA_THUMB, __ARM_FP and __ARM_NEON_FP. 2018-02-09 Andreas Krebbel PR target/PR84295 * config/s390/s390.c (s390_set_current_function): Invoke s390_indirect_branch_settings also if fndecl didn't change. 2018-02-09 Alexandre Oliva * config/rs6000/rs6000.md (blockage): Set length to zero. 2018-02-09 Eric Botcazou * expr.c (optimize_bitfield_assignment_op): Remove obsolete assertion. 2018-02-09 Jakub Jelinek PR sanitizer/84285 * gcc.c (STATIC_LIBASAN_LIBS, STATIC_LIBTSAN_LIBS, STATIC_LIBLSAN_LIBS, STATIC_LIBUBSAN_LIBS): Handle -static like -static-lib*san. PR debug/84252 * var-tracking.c (vt_add_function_parameter): Punt for non-onepart PARALLEL incoming that failed vt_get_decl_and_offset check. PR middle-end/84237 * output.h (bss_initializer_p): Add NAMED argument, defaulted to false. * varasm.c (bss_initializer_p): Add NAMED argument, if true, ignore TREE_READONLY bit. (get_variable_section): For decls in named .bss* sections pass true as second argument to bss_initializer_p. 2018-02-09 Marek Polacek Jakub Jelinek PR c++/83659 * fold-const.c (fold_indirect_ref_1): Use VECTOR_TYPE_P macro. Formatting fixes. Verify first that tree_fits_poly_int64_p (op01). Sync some changes from cxx_fold_indirect_ref. 2018-02-09 Alexandre Oliva * cfgexpand.c (expand_gimple_basic_block): Handle inline entry markers. * dwarf2out.c (dwarf2_debug_hooks): Enable inline_entry hook. (BLOCK_INLINE_ENTRY_LABEL): New. (dwarf2out_var_location): Disregard inline entry markers. (inline_entry_data): New struct. (inline_entry_data_hasher): New hashtable type. (inline_entry_data_hasher::hash): New. (inline_entry_data_hasher::equal): New. (inline_entry_data_table): New variable. (add_high_low_attributes): Add DW_AT_entry_pc and DW_AT_GNU_entry_view attributes if a pending entry is found in inline_entry_data_table. Add old entry_pc attribute only if debug nonbinding markers are disabled. (gen_inlined_subroutine_die): Set BLOCK_DIE if nonbinding markers are enabled. (block_within_block_p, dwarf2out_inline_entry): New. (dwarf2out_finish): Check that no entries remained in inline_entry_data_table. * final.c (reemit_insn_block_notes): Handle inline entry notes. (final_scan_insn, notice_source_line): Likewise. (rest_of_clean_state): Skip inline entry markers. * gimple-pretty-print.c (dump_gimple_debug): Handle inline entry markers. * gimple.c (gimple_build_debug_inline_entry): New. * gimple.h (enum gimple_debug_subcode): Add GIMPLE_DEBUG_INLINE_ENTRY. (gimple_build_debug_inline_entry): Declare. (gimple_debug_inline_entry_p): New. (gimple_debug_nonbind_marker_p): Adjust. * insn-notes.def (INLINE_ENTRY): New. * print-rtl.c (rtx_writer::print_rtx_operand_code_0): Handle inline entry marker notes. (print_insn): Likewise. * rtl.h (NOTE_MARKER_P): Add INLINE_ENTRY support. (INSN_DEBUG_MARKER_KIND): Likewise. (GEN_RTX_DEBUG_MARKER_INLINE_ENTRY_PAT): New. * tree-inline.c (expand_call_inline): Build and insert debug_inline_entry stmt. * tree-ssa-live.c (remove_unused_scope_block_p): Preserve inline entry blocks early, if nonbind markers are enabled. (dump_scope_block): Dump fragment info. * var-tracking.c (reemit_marker_as_note): Handle inline entry note. * doc/gimple.texi (gimple_debug_inline_entry_p): New. (gimple_build_debug_inline_entry): New. * doc/invoke.texi (gstatement-frontiers, gno-statement-frontiers): Enable/disable inline entry points too. * doc/rtl.texi (NOTE_INSN_INLINE_ENTRY): New. (DEBUG_INSN): Describe inline entry markers. * common.opt (gvariable-location-views): New. (gvariable-location-views=incompat5): New. * config.in: Rebuilt. * configure: Rebuilt. * configure.ac: Test assembler for view support. * dwarf2asm.c (dw2_asm_output_symname_uleb128): New. * dwarf2asm.h (dw2_asm_output_symname_uleb128): Declare. * dwarf2out.c (var_loc_view): New typedef. (struct dw_loc_list_struct): Add vl_symbol, vbegin, vend. (dwarf2out_locviews_in_attribute): New. (dwarf2out_locviews_in_loclist): New. (dw_val_equal_p): Compare val_view_list of dw_val_class_view_lists. (enum dw_line_info_opcode): Add LI_adv_address. (struct dw_line_info_table): Add view. (RESET_NEXT_VIEW, RESETTING_VIEW_P): New macros. (DWARF2_ASM_VIEW_DEBUG_INFO): Define default. (zero_view_p): New variable. (ZERO_VIEW_P): New macro. (output_asm_line_debug_info): New. (struct var_loc_node): Add view. (add_AT_view_list, AT_loc_list): New. (add_var_loc_to_decl): Add view param. Test it against last. (new_loc_list): Add view params. Record them. (AT_loc_list_ptr): Handle loc and view lists. (view_list_to_loc_list_val_node): New. (print_dw_val): Handle dw_val_class_view_list. (size_of_die): Likewise. (value_format): Likewise. (loc_list_has_views): New. (gen_llsym): Set vl_symbol too. (maybe_gen_llsym, skip_loc_list_entry): New. (dwarf2out_maybe_output_loclist_view_pair): New. (output_loc_list): Output view list or entries too. (output_view_list_offset): New. (output_die): Handle dw_val_class_view_list. (output_dwarf_version): New. (output_compilation_unit_header): Use it. (output_skeleton_debug_sections): Likewise. (output_rnglists, output_line_info): Likewise. (output_pubnames, output_aranges): Update version comments. (output_one_line_info_table): Output view numbers in asm comments. (dw_loc_list): Determine current endview, pass it to new_loc_list. Call maybe_gen_llsym. (loc_list_from_tree_1): Adjust. (add_AT_location_description): Create view list attribute if needed, check it's absent otherwise. (convert_cfa_to_fb_loc_list): Adjust. (maybe_emit_file): Call output_asm_line_debug_info for test. (dwarf2out_var_location): Reset views as needed. Precompute add_var_loc_to_decl args. Call get_attr_min_length only if we have the attribute. Set view. (new_line_info_table): Reset next view. (set_cur_line_info_table): Call output_asm_line_debug_info for test. (dwarf2out_source_line): Likewise. Output view resets and labels to the assembler, or select appropriate line info opcodes. (prune_unused_types_walk_attribs): Handle dw_val_class_view_list. (optimize_string_length): Catch it. Adjust. (resolve_addr): Copy vl_symbol along with ll_symbol. Handle dw_val_class_view_list, and remove it if no longer needed. (hash_loc_list): Hash view numbers. (loc_list_hasher::equal): Compare them. (optimize_location_lists): Check whether a view list symbol is needed, and whether the locview attribute is present, and whether they match. Remove the locview attribute if no longer needed. (index_location_lists): Call skip_loc_list_entry for test. (dwarf2out_finish): Call output_asm_line_debug_info for test. Use output_dwarf_version. * dwarf2out.h (enum dw_val_class): Add dw_val_class_view_list. (struct dw_val_node): Add val_view_list. * final.c (SEEN_NEXT_VIEW): New. (set_next_view_needed): New. (clear_next_view_needed): New. (maybe_output_next_view): New. (final_start_function): Rename to... (final_start_function_1): ... this. Take pointer to FIRST, add SEEN parameter. Emit param bindings in the initial view. (final_start_function): Reintroduce SEEN-less interface. (final): Rename to... (final_1): ... this. Take SEEN parameter. Output final pending next view at the end. (final): Reintroduce seen-less interface. (final_scan_insn): Output pending next view before switching sections or ending a block. Mark the next view as needed when outputting variable locations. Notify debug backend of section changes, and of location view changes. (rest_of_handle_final): Adjust. * toplev.c (process_options): Autodetect value for debug variable location views option. Warn on incompat5 without -gdwarf-5. * doc/invoke.texi (gvariable-location-views): New. (gvariable-location-views=incompat5): New. (gno-variable-location-views): New. 2018-02-08 David Malcolm PR tree-optimization/84136 * tree-cfg.c (find_taken_edge_computed_goto): Remove assertion that the result of find_edge is non-NULL. 2018-02-08 Sergey Shalnov PR target/83008 * config/i386/x86-tune-costs.h (skylake_cost): Fix cost of storing integer register in SImode. Fix cost of 256 and 512 byte aligned SSE register store. 2018-02-08 Sergey Shalnov * config/i386/i386.c (ix86_multiplication_cost): Fix multiplication cost for TARGET_AVX512DQ. 2018-02-08 Marek Polacek PR tree-optimization/84238 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Verify the result of get_range_strlen. 2018-02-08 Richard Sandiford PR tree-optimization/84265 * tree-vect-stmts.c (vectorizable_store): Don't treat VMAT_CONTIGUOUS accesses as grouped. (vectorizable_load): Likewise. 2018-02-08 Richard Sandiford PR tree-optimization/81635 * wide-int.h (wi::round_down_for_mask, wi::round_up_for_mask): Declare. * wide-int.cc (wi::round_down_for_mask, wi::round_up_for_mask) (test_round_for_mask): New functions. (wide_int_cc_tests): Call test_round_for_mask. * tree-vrp.h (intersect_range_with_nonzero_bits): Declare. * tree-vrp.c (intersect_range_with_nonzero_bits): New function. * tree-data-ref.c (split_constant_offset_1): Use it to refine the range returned by get_range_info. 2018-02-08 Jan Hubicka PR ipa/81360 * cgraph.h (symtab_node::output_to_lto_symbol_table_p): Declare * symtab.c: Include builtins.h (symtab_node::output_to_lto_symbol_table_p): Move here from lto-streamer-out.c:output_symbol_p. * lto-streamer-out.c (write_symbol): Turn early exit to assert. (output_symbol_p): Move all logic to symtab.c (produce_symtab): Update. 2018-02-08 Andreas Krebbel * config/s390/s390-opts.h (enum indirect_branch): Define. * config/s390/s390-protos.h (s390_return_addr_from_memory) (s390_indirect_branch_via_thunk) (s390_indirect_branch_via_inline_thunk): Add function prototypes. (enum s390_indirect_branch_type): Define. * config/s390/s390.c (struct s390_frame_layout, struct machine_function): Remove. (indirect_branch_prez10thunk_mask, indirect_branch_z10thunk_mask) (indirect_branch_table_label_no, indirect_branch_table_name): Define variables. (INDIRECT_BRANCH_NUM_OPTIONS): Define macro. (enum s390_indirect_branch_option): Define. (s390_return_addr_from_memory): New function. (s390_handle_string_attribute): New function. (s390_attribute_table): Add new attribute handler. (s390_execute_label): Handle UNSPEC_EXECUTE_JUMP patterns. (s390_indirect_branch_via_thunk): New function. (s390_indirect_branch_via_inline_thunk): New function. (s390_function_ok_for_sibcall): When jumping via thunk disallow sibling call optimization for non z10 compiles. (s390_emit_call): Force indirect branch target to be a single register. Add r1 clobber for non-z10 compiles. (s390_emit_epilogue): Emit return jump via return_use expander. (s390_reorg): Handle JUMP_INSNs as execute targets. (s390_option_override_internal): Perform validity checks for the new command line options. (s390_indirect_branch_attrvalue): New function. (s390_indirect_branch_settings): New function. (s390_set_current_function): Invoke s390_indirect_branch_settings. (s390_output_indirect_thunk_function): New function. (s390_code_end): Implement target hook. (s390_case_values_threshold): Implement target hook. (TARGET_ASM_CODE_END, TARGET_CASE_VALUES_THRESHOLD): Define target macros. * config/s390/s390.h (struct s390_frame_layout) (struct machine_function): Move here from s390.c. (TARGET_INDIRECT_BRANCH_NOBP_RET) (TARGET_INDIRECT_BRANCH_NOBP_JUMP) (TARGET_INDIRECT_BRANCH_NOBP_JUMP_THUNK) (TARGET_INDIRECT_BRANCH_NOBP_JUMP_INLINE_THUNK) (TARGET_INDIRECT_BRANCH_NOBP_CALL) (TARGET_DEFAULT_INDIRECT_BRANCH_TABLE) (TARGET_INDIRECT_BRANCH_THUNK_NAME_EXRL) (TARGET_INDIRECT_BRANCH_THUNK_NAME_EX) (TARGET_INDIRECT_BRANCH_TABLE): Define macros. * config/s390/s390.md (UNSPEC_EXECUTE_JUMP) (INDIRECT_BRANCH_THUNK_REGNUM): Define constants. (mnemonic attribute): Add values which aren't recognized automatically. ("*cjump_long", "*icjump_long", "*basr", "*basr_r"): Disable pattern for branch conversion. Fix mnemonic attribute. ("*c", "*sibcall_br", "*sibcall_value_br", "*return"): Emit indirect branch via thunk if requested. ("indirect_jump", ""): Expand patterns for branch conversion. ("*indirect_jump"): Disable for branch conversion using out of line thunks. ("indirect_jump_via_thunk_z10") ("indirect_jump_via_thunk") ("indirect_jump_via_inlinethunk_z10") ("indirect_jump_via_inlinethunk", "*casesi_jump") ("casesi_jump_via_thunk_z10", "casesi_jump_via_thunk") ("casesi_jump_via_inlinethunk_z10") ("casesi_jump_via_inlinethunk", "*basr_via_thunk_z10") ("*basr_via_thunk", "*basr_r_via_thunk_z10") ("*basr_r_via_thunk", "return_prez10"): New pattern. ("*indirect2_jump"): Disable for branch conversion. ("casesi_jump"): Turn into expander and expand patterns for branch conversion. ("return_use"): New expander. ("*return"): Emit return via thunk and rename it to ... ("*return"): ... this one. * config/s390/s390.opt: Add new options and and enum for the option values. 2018-02-08 Richard Sandiford * lra-constraints.c (match_reload): Unconditionally use gen_lowpart_SUBREG, rather than selecting between that and equivalent gen_rtx_SUBREG code. 2018-02-08 Richard Biener PR tree-optimization/84233 * tree-ssa-phiprop.c (propagate_with_phi): Use separate changed flag instead of boguously re-using phi_inserted. 2018-02-08 Martin Jambor * hsa-gen.c (get_symbol_for_decl): Set program allocation for static local variables. 2018-02-08 Richard Biener PR tree-optimization/84278 * tree-vect-stmts.c (vectorizable_store): When looking for smaller vector types to perform grouped strided loads/stores make sure the mode is supported by the target. (vectorizable_load): Likewise. 2018-02-08 Wilco Dijkstra * config/aarch64/aarch64.c (aarch64_components_for_bb): Increase LDP/STP opportunities by adding adjacent callee-saves. 2018-02-08 Wilco Dijkstra PR rtl-optimization/84068 PR rtl-optimization/83459 * haifa-sched.c (rank_for_schedule): Fix SCHED_PRESSURE_MODEL sorting. 2018-02-08 Aldy Hernandez PR tree-optimization/84224 * gimple-ssa-warn-alloca.c (pass_walloca::execute): Remove assert. * calls.c (gimple_alloca_call_p): Only return TRUE when we have non-zero arguments. 2018-02-07 Iain Sandoe PR target/84113 * config/rs6000/altivec.md (*restore_world): Remove LR use. * config/rs6000/predicates.md (restore_world_operation): Adjust op count, remove one USE. 2018-02-07 Michael Meissner * doc/install.texi (Configuration): Document the --with-long-double-format={ibm,ieee} PowerPC configuration options. PR target/84154 * config/rs6000/rs6000.md (fix_trunc2): Convert from define_expand to be define_insn_and_split. Rework float/double/_Float128 conversions to QI/HI/SImode to work with both ISA 2.07 (power8) or ISA 3.0 (power9). Fix regression where conversions to QI/HImode types did a store and then a load to truncate the value. For conversions to VSX registers, don't split the insn, instead emit the code directly. Use the code iterator any_fix to combine signed and unsigned conversions. (fix_truncsi2_p8): Likewise. (fixuns_trunc2): Likewise. (fix_trunc2): Likewise. (fix_trunc2): Likewise. (fix_di2_hw): Likewise. (fixuns_di2_hw): Likewise. (fix_si2_hw): Likewise. (fixuns_si2_hw): Likewise. (fix_2_hw): Likewise. (fix_trunc2): Likewise. (fctiwz__smallint): Rename fctiwz__smallint to fix_truncsi2_p8. (fix_trunc2_internal): Delete, no longer used. (fixuns_trunc2_internal): Likewise. (fix__mem): Likewise. (fctiwz__mem): Likewise. (fix__mem): Likewise. (fix_trunc2_mem): On ISA 3.0, prevent the register allocator from doing a direct move to the GPRs to do a store, and instead use the ISA 3.0 store byte/half-word from vector register instruction. For IEEE 128-bit floating point, also optimize stores of 32-bit ints. (fix_trunc2_mem): Likewise. 2018-02-07 Alan Hayward * genextract.c (push_pathstr_operand): New function to support [a-zA-Z]. (walk_rtx): Call push_pathstr_operand. (print_path): Support [a-zA-Z]. 2018-02-07 Richard Biener PR tree-optimization/84037 * tree-vectorizer.h (struct _loop_vec_info): Add ivexpr_map member. (cse_and_gimplify_to_preheader): Declare. (vect_get_place_in_interleaving_chain): Likewise. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize ivexpr_map. (_loop_vec_info::~_loop_vec_info): Delete it. (cse_and_gimplify_to_preheader): New function. * tree-vect-slp.c (vect_get_place_in_interleaving_chain): Export. * tree-vect-stmts.c (vectorizable_store): CSE base and steps. (vectorizable_load): Likewise. For grouped stores always base the IV on the first element. * tree-vect-loop-manip.c (vect_loop_versioning): Unshare versioning condition before gimplifying. 2018-02-07 Jakub Jelinek * tree-eh.c (operation_could_trap_helper_p): Ignore honor_trapv for *DIV_EXPR and *MOD_EXPR. 2018-02-07 H.J. Lu PR target/84248 * config/i386/i386.c (ix86_option_override_internal): Mask out the CF_SET bit when checking -fcf-protection. 2018-02-07 Tom de Vries PR libgomp/84217 * omp-expand.c (expand_oacc_collapse_init): Ensure diff_type is large enough. 2018-02-07 Richard Biener PR tree-optimization/84204 * tree-chrec.c (chrec_fold_plus_1): Remove size limiting in this place. PR tree-optimization/84205 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Also special-case isl_ast_op_zdiv_r. PR tree-optimization/84223 * graphite-scop-detection.c (gather_bbs::before_dom_children): Only add conditions from within the region. (gather_bbs::after_dom_children): Adjust. 2018-02-07 Georg-Johann Lay PR target/84209 * config/avr/avr.h (GENERAL_REGNO_P, GENERAL_REG_P): New macros. * config/avr/avr.md: Only post-reload split REG-REG moves if either register is GENERAL_REG_P. 2018-02-07 Jakub Jelinek PR tree-optimization/84235 * tree-ssa-scopedtables.c (avail_exprs_stack::simplify_binary_operation): Fir MINUS_EXPR, punt if the subtraction is performed in floating point type where NaNs are honored. For *DIV_EXPR, punt for ALL_FRACT_MODE_Ps where we can't build 1. Formatting fix. 2018-02-06 Jakub Jelinek PR target/84146 * config/i386/i386.c (rest_of_insert_endbranch): Only skip NOTE_INSN_CALL_ARG_LOCATION after a call, not anything else, and skip it regardless of bb boundaries. Use CALL_P macro, don't test INSN_P (insn) together with CALL_P or JUMP_P check unnecessarily, formatting fix. 2018-02-06 Michael Collison * config/arm/thumb2.md: (*thumb2_mov_negscc): Split only if TARGET_THUMB2 && !arm_restrict_it. (*thumb_mov_notscc): Ditto. 2018-02-06 Michael Meissner PR target/84154 * config/rs6000/rs6000.md (su code attribute): Use "u" for unsigned_fix, not "s". 2018-02-06 Rainer Orth * configure.ac (gcc_fn_eh_frame_ro): New function. (gcc_cv_as_cfi_directive): Check both 32 and 64-bit assembler for correct .eh_frame permissions. * configure: Regenerate. 2018-02-06 Andrew Jenner * doc/invoke.texi: Add section for the PowerPC SPE backend. Remove irrelevant options. 2018-02-06 Bill Schmidt * config/rs6000/rs6000.c (rs6000_option_override_internal): Display warning message for -mno-speculate-indirect-jumps. 2018-02-06 Andrew Jenner * config/powerpcspe/powerpcspe.opt: (msimple-fpu, mfpu) Add Undocumented. * config/powerpcspe/sysv4.opt (mbit-align): Likewise. 2018-02-06 Aldy Hernandez PR tree-optimization/84225 * tree-eh.c (find_trapping_overflow): Only call operation_no_trapping_overflow when ANY_INTEGRAL_TYPE_P. 2018-02-06 Igor Tsimbalist PR target/84145 * config/i386/i386.c: Reimplement the check of possible options -mibt/-mshstk conbination. Change error messages. * doc/invoke.texi: Fix a typo: remove extra '='. 2018-02-06 Marek Polacek PR tree-optimization/84228 * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Skip debug statements. 2018-02-06 Tamar Christina PR target/82641 * config/arm/arm.c (arm_print_asm_arch_directives): Record already emitted arch directives. * config/arm/arm-c.c (arm_cpu_builtins): Undefine __ARM_ARCH and __ARM_FEATURE_COPROC before changing architectures. 2018-02-06 Richard Biener * config/i386/i386.c (print_reg): Fix typo. (ix86_loop_unroll_adjust): Do not unroll beyond the original nunroll. 2018-02-06 Eric Botcazou * configure: Regenerate. 2018-02-05 Martin Sebor PR tree-optimization/83369 * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Use %G to print inlining context. 2018-02-05 Martin Liska * doc/invoke.texi: Cherry-pick upstream r323995. 2018-02-05 Richard Sandiford * ira.c (ira_init_register_move_cost): Adjust comment. 2018-02-05 Martin Liska PR gcov-profile/84137 * doc/gcov.texi: Fix typo in documentation. 2018-02-05 Martin Liska PR gcov-profile/83879 * doc/gcov.texi: Document necessity of --dynamic-list-data when using dlopen functionality. 2018-02-05 Olga Makhotina * config/i386/avx512dqintrin.h (_mm_mask_range_sd, _mm_maskz_range_sd, _mm_mask_range_round_sd, _mm_maskz_range_round_sd, _mm_mask_range_ss, _mm_maskz_range_ss, _mm_mask_range_round_ss, _mm_maskz_range_round_ss): New intrinsics. (__builtin_ia32_rangesd128_round) (__builtin_ia32_rangess128_round): Remove. (__builtin_ia32_rangesd128_mask_round, __builtin_ia32_rangess128_mask_round): New builtins. * config/i386/i386-builtin.def (__builtin_ia32_rangesd128_round, __builtin_ia32_rangess128_round): Remove. (__builtin_ia32_rangesd128_mask_round, __builtin_ia32_rangess128_mask_round): New builtins. * config/i386/sse.md (ranges): Renamed to ... (ranges): ... this. ((match_operand:VF_128 2 "" "")): Changed to ... ((match_operand:VF_128 2 "" "")): ... this. ("vrange\t{%3, %2, %1, %0| %0, %1, %2, %3}"): Changed to ... ("vrange\t{%3, %2, %1, %0|%0, %1, %2, %3}"): ... this. 2018-02-02 Andrew Jenner * config/powerpcspe/powerpcspe.opt: Add Undocumented to irrelevant options. * config/powerpcspe/powerpcspe-tables.opt (rs6000_cpu_opt_value): Remove all values except native, 8540 and 8548. 2018-02-02 H.J. Lu * config/i386/i386.c (ix86_output_function_return): Pass INVALID_REGNUM, instead of -1, as invalid register number to indirect_thunk_name and output_indirect_thunk. 2018-02-02 Julia Koval * config.gcc: Add -march=icelake. * config/i386/driver-i386.c (host_detect_local_cpu): Detect icelake. * config/i386/i386-c.c (ix86_target_macros_internal): Handle icelake. * config/i386/i386.c (processor_costs): Add m_ICELAKE. (PTA_ICELAKE, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES, PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_RDPID, PTA_AVX512BITALG): New. (processor_target_table): Add icelake. (ix86_option_override_internal): Handle new PTAs. (get_builtin_code_for_version): Handle icelake. (M_INTEL_COREI7_ICELAKE): New. (fold_builtin_cpu): Handle icelake. * config/i386/i386.h (TARGET_ICELAKE, PROCESSOR_ICELAKE): New. * doc/invoke.texi: Add -march=icelake. 2018-02-02 Julia Koval * config/i386/i386.c (ix86_option_override_internal): Change flags type to wide_int_bitmask. * wide-int-bitmask.h: New. 2018-02-02 Igor Tsimbalist PR target/84066 * config/i386/i386.md: Replace Pmode with word_mode in builtin_setjmp_setup and builtin_longjmp to support x32. 2018-02-01 Peter Bergner PR target/56010 PR target/83743 * config/rs6000/driver-rs6000.c: #include "diagnostic.h". #include "opts.h". (rs6000_supported_cpu_names): New static variable. (linux_cpu_translation_table): Likewise. (elf_platform) : Define new static variable and use it. Translate kernel AT_PLATFORM name to canonical name if needed. Error if platform name is unknown. 2018-02-01 Aldy Hernandez PR target/84089 * config/pa/predicates.md (base14_operand): Handle E_VOIDmode. 2018-02-01 Jeff Law PR target/84128 * config/i386/i386.c (release_scratch_register_on_entry): Add new OFFSET and RELEASE_VIA_POP arguments. Use SP+OFFSET to restore the scratch if RELEASE_VIA_POP is false. (ix86_adjust_stack_and_probe_stack_clash): Un-constify SIZE. If we have to save a temporary register, decrement SIZE appropriately. Pass new arguments to release_scratch_register_on_entry. (ix86_adjust_stack_and_probe): Likewise. (ix86_emit_probe_stack_range): Pass new arguments to release_scratch_register_on_entry. 2018-02-01 Uros Bizjak PR rtl-optimization/84157 * combine.c (change_zero_ext): Use REG_P predicate in front of HARD_REGISTER_P predicate. 2018-02-01 Georg-Johann Lay * config/avr/avr.c (avr_option_override): Move disabling of -fdelete-null-pointer-checks to... * common/config/avr/avr-common.c (avr_option_optimization_table): ...here. 2018-02-01 Richard Sandiford PR tree-optimization/81635 * tree-data-ref.c (split_constant_offset_1): For types that wrap on overflow, try to use range info to prove that wrapping cannot occur. 2018-02-01 Renlin Li PR target/83370 * config/aarch64/aarch64.c (aarch64_class_max_nregs): Handle TAILCALL_ADDR_REGS. (aarch64_register_move_cost): Likewise. * config/aarch64/aarch64.h (reg_class): Rename CALLER_SAVE_REGS to TAILCALL_ADDR_REGS. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Rename CALLER_SAVE_REGS to TAILCALL_ADDR_REGS. Remove IP registers. * config/aarch64/aarch64.md (Ucs): Update register constraint. 2018-02-01 Richard Biener * domwalk.h (dom_walker::dom_walker): Add additional constructor for specifying RPO order and allow NULL for that. * domwalk.c (dom_walker::dom_walker): Likewise. (dom_walker::walk): Handle NULL RPO order. * tree-into-ssa.c (rewrite_dom_walker): Do not walk dom children in RPO order. (rewrite_update_dom_walker): Likewise. (mark_def_dom_walker): Likewise. 2018-02-01 Richard Sandiford * config/aarch64/aarch64-protos.h (aarch64_split_sve_subreg_move) (aarch64_maybe_expand_sve_subreg_move): Declare. * config/aarch64/aarch64.md (UNSPEC_REV_SUBREG): New unspec. * config/aarch64/predicates.md (aarch64_any_register_operand): New predicate. * config/aarch64/aarch64-sve.md (mov): Optimize subreg moves that are semantically a reverse operation. (*aarch64_sve_mov_subreg_be): New pattern. * config/aarch64/aarch64.c (aarch64_maybe_expand_sve_subreg_move): (aarch64_replace_reg_mode, aarch64_split_sve_subreg_move): New functions. (aarch64_can_change_mode_class): For big-endian, forbid changes between two SVE modes if they have different element sizes. 2018-02-01 Richard Sandiford * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector): Prefer the TImode handling for big-endian targets. 2018-02-01 Richard Sandiford * config/aarch64/aarch64-sve.md (sve_ld1rq): Replace with... (*sve_ld1rq): ... this new pattern. Handle all element sizes, not just bytes. * config/aarch64/aarch64.c (aarch64_expand_sve_widened_duplicate): Remove BSWAP handing for big-endian targets and use the form of LD1RQ appropariate for the mode. 2018-02-01 Richard Sandiford * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Handle all CONST_VECTOR_DUPLICATE_P vectors, not just those with a single duplicated element. 2018-02-01 Richard Sandiford PR tearget/83845 * config/aarch64/aarch64.c (aarch64_secondary_reload): Tighten check for operands that need to go through aarch64_sve_reload_be. 2018-02-01 Jakub Jelinek PR tree-optimization/81661 PR tree-optimization/84117 * tree-eh.h (rewrite_to_non_trapping_overflow): Declare. * tree-eh.c: Include gimplify.h. (find_trapping_overflow, replace_trapping_overflow, rewrite_to_non_trapping_overflow): New functions. * tree-vect-loop.c: Include tree-eh.h. (vect_get_loop_niters): Use rewrite_to_non_trapping_overflow. * tree-data-ref.c: Include tree-eh.h. (get_segment_min_max): Use rewrite_to_non_trapping_overflow. 2018-01-31 Uros Bizjak PR rtl-optimization/84123 * combine.c (change_zero_ext): Check if hard register satisfies can_change_dest_mode before calling gen_lowpart_SUBREG. 2018-01-31 Vladimir Makarov PR target/82444 * ira.c (ira_init_register_move_cost): Remove assert. 2018-01-31 Eric Botcazou PR rtl-optimization/84071 * doc/tm.texi.in (WORD_REGISTER_OPERATIONS): Add explicit case. * doc/tm.texi: Regenerate. 2018-01-31 Richard Biener PR tree-optimization/84132 * tree-data-ref.c (analyze_miv_subscript): Properly check whether evolution_function_is_affine_multivariate_p before calling gcd_of_steps_may_divide_p. 2018-01-31 Julia Koval PR target/83618 * config/i386/i386.c (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID. * config/i386/i386.md (rdpid_rex64) New. (rdpid): Make 32bit only. 2018-01-29 Aldy Hernandez PR lto/84105 * tree-pretty-print.c (dump_generic_node): Handle a TYPE_NAME with an IDENTIFIER_NODE for FUNCTION_TYPE's. 2018-01-31 Eric Botcazou Revert 2018-01-12 Eric Botcazou * config/sparc/sparc.md (vxworks_load_got): Set the GOT register. 2018-01-31 Eric Botcazou PR rtl-optimization/84071 * combine.c (record_dead_and_set_regs_1): Record the source unmodified for a paradoxical SUBREG on a WORD_REGISTER_OPERATIONS target. 2018-01-31 Claudiu Zissulescu * config/arc/arc.c (arc_handle_aux_attribute): New function. (arc_attribute_table): Add 'aux' attribute. (arc_in_small_data_p): Consider aux like variables. (arc_is_aux_reg_p): New function. (arc_asm_output_aligned_decl_local): Ignore 'aux' like variables. (arc_get_aux_arg): New function. (prepare_move_operands): Handle aux-register access. (arc_handle_aux_attribute): New function. * doc/extend.texi (ARC Variable attributes): Add subsection. 2018-01-31 Claudiu Zissulescu * config/arc/arc-protos.h (arc_is_uncached_mem_p): Function proto. * config/arc/arc.c (arc_handle_uncached_attribute): New function. (arc_attribute_table): Add 'uncached' attribute. (arc_print_operand): Print '.di' flag for uncached memory accesses. (arc_in_small_data_p): Do not consider for small data the uncached types. (arc_is_uncached_mem_p): New function. * config/arc/predicates.md (compact_store_memory_operand): Check for uncached memory accesses. (nonvol_nonimm_operand): Likewise. * gcc/doc/extend.texi (ARC Type Attribute): New subsection. 2018-01-31 Jakub Jelinek PR c/84100 * common.opt (falign-functions=, falign-jumps=, falign-labels=, falign-loops=): Add Optimization flag. 2018-01-30 Jeff Law PR target/84064 * i386.c (ix86_adjust_stack_and_probe_stack_clash): New argument INT_REGISTERS_SAVED. Check it prior to calling get_scratch_register_on_entry. (ix86_adjust_stack_and_probe): Similarly. (ix86_emit_probe_stack_range): Similarly. (ix86_expand_prologue): Corresponding changes. 2018-01-30 Rainer Orth PR target/40411 * config/sol2.h (STARTFILE_ARCH_SPEC): Use -std=c*, -std=iso9899:199409 instead of -pedantic to select values-Xc.o. 2018-01-30 Vladimir Makarov PR target/84112 * lra-constraints.c (curr_insn_transform): Process AND in the address. 2018-01-30 Jakub Jelinek PR rtl-optimization/83986 * sched-deps.c (sched_analyze_insn): For frame related insns, add anti dependence against last_pending_memory_flush in addition to pending_jump_insns. 2018-01-30 Alexandre Oliva PR tree-optimization/81611 * tree-ssa-dom.c (simple_iv_increment_p): Skip intervening copies. 2018-01-30 Aaron Sawdey PR target/83758 * config/rs6000/rs6000.c (rs6000_internal_arg_pointer): Only return a reg rtx. 2018-01-30 Richard Biener Jakub Jelinek PR tree-optimization/84111 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Skip inner loops added during recursion, as they don't have up-to-date SSA form. 2018-01-30 Jan Hubicka PR ipa/81360 * ipa-inline.c (can_inline_edge_p): Break out late tests to... (can_inline_edge_by_limits_p): ... here. (can_early_inline_edge_p, check_callers, update_caller_keys, update_callee_keys, recursive_inlining, add_new_edges_to_heap, speculation_useful_p, inline_small_functions, inline_small_functions, flatten_function, inline_to_all_callers_1): Update. 2018-01-30 Jan Hubicka * profile-count.c (profile_count::combine_with_ipa_count): Handle zeros correctly. 2018-01-30 Richard Biener PR tree-optimization/83008 * tree-vect-slp.c (vect_analyze_slp_cost_1): Properly cost invariant and constant vector uses in stmts when they need more than one stmt. 2018-01-30 Rainer Orth PR bootstrap/84017 * configure.ac (gcc_cv_as_shf_merge): Disable on Solaris 10/x86. * configure: Regenerate. 2018-01-30 Richard Sandiford * config/aarch64/aarch64-sve.md (*vec_extract_0): New pattern. (*vec_extract_v128): Require a nonzero lane number. Use gen_rtx_REG rather than gen_lowpart. 2018-01-30 Richard Sandiford * lra-constraints.c (match_reload): Use subreg_lowpart_offset rather than 0 when creating partial subregs. 2018-01-30 Richard Sandiford * vec-perm-indices.c (vec_perm_indices::series_p): Give examples of usage. 2018-01-29 Michael Meissner PR target/81550 * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): If DFmode and SFmode can go in Altivec registers (-mcpu=power7 for DFmode, -mcpu=power8 for SFmode) don't set the PRE_INCDEC or PRE_MODIFY flags. This restores the settings used before the 2017-07-24. Turning off pre increment/decrement/modify allows IVOPTS to optimize DF/SF loops where the index is an int. 2018-01-29 Richard Biener Kelvin Nilsen PR bootstrap/80867 * tree-vect-stmts.c (vectorizable_call): Don't call targetm.vectorize_builtin_md_vectorized_function if callee is NULL. 2018-01-22 Carl Love * doc/extend.tex: Fix typo in second arg in __builtin_bcdadd_{lt|eq|gt|ov} and __builtin_bcdsub_{lt|eq|gt|ov}. 2018-01-29 Richard Biener PR tree-optimization/84086 * tree-ssanames.c: Include cfgloop.h and tree-scalar-evolution.h. (flush_ssaname_freelist): When SSA names were released reset the SCEV hash table. 2018-01-29 Richard Biener PR tree-optimization/84057 * tree-ssa-loop-ivcanon.c (unloop_loops): Deal with already removed paths when removing edges. 2018-01-27 H.J. Lu * doc/invoke.texi: Replace -mfunction-return==@var{choice} with -mfunction-return=@var{choice}. 2018-01-27 Bernd Edlinger PR diagnostic/84034 * diagnostic-show-locus.c (get_line_width_without_trailing_whitespace): Handle CR like TAB. (layout::print_source_line): Likewise. (test_get_line_width_without_trailing_whitespace): Add test cases. 2018-01-27 Jakub Jelinek PR middle-end/84040 * sched-deps.c (sched_macro_fuse_insns): Return immediately for debug insns. 2018-01-26 Jim Wilson * config/riscv/riscv.h (MAX_FIXED_MODE_SIZE): New. * config/riscv/elf.h (LIB_SPEC): Don't include -lgloss when nosys.specs specified. 2018-01-26 Kyrylo Tkachov * config/aarch64/aarch64.md: Add peepholes for CMP + SUB -> SUBS and CMP + SUB-immediate -> SUBS. 2018-01-26 Martin Sebor PR tree-optimization/83896 * tree-ssa-strlen.c (get_string_len): Rename... (get_string_cst_length): ...to this. Return HOST_WIDE_INT. Avoid assuming length is constant. (handle_char_store): Use HOST_WIDE_INT for string length. 2018-01-26 Uros Bizjak PR target/81763 * config/i386/i386.md (*andndi3_doubleword): Add earlyclobber to (=&r,r,rm) alternative. Add (=r,0,rm) and (=r,r,0) alternatives. 2018-01-26 Richard Biener PR rtl-optimization/84003 * dse.c (record_store): Only record redundant stores when the earlier store aliases at least all accesses the later one does. 2018-01-26 Jakub Jelinek PR rtl-optimization/83985 * dce.c (deletable_insn_p): Return false for separate shrink wrapping REG_CFA_RESTORE insns. (delete_unmarked_insns): Don't ignore separate shrink wrapping REG_CFA_RESTORE insns here. PR c/83989 * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Don't use SSA_NAME_VAR as base for SSA_NAMEs with non-NULL SSA_NAME_VAR. 2018-01-26 Claudiu Zissulescu * config/arc/arc-arch.h (arc_tune_attr): Add ARC_TUNE_CORE_3. * config/arc/arc.c (arc_sched_issue_rate): Use ARC_TUNE_... . (arc_init): Likewise. (arc_override_options): Likewise. (arc_file_start): Choose Tag_ARC_CPU_variation based on arc_tune value. (hwloop_fail): Use TARGET_DBNZ when we want to check for dbnz insn support. * config/arc/arc.h (TARGET_DBNZ): Define. * config/arc/arc.md (attr tune): Add core_3, use ARC_TUNE_... to properly set the tune attribute. (dbnz): Use TARGET_DBNZ guard. * config/arc/arc.opt (mtune): Add core3 option. 2018-01-26 Claudiu Zissulescu * config/arc/arc.c (arc_delegitimize_address_0): Refactored to recognize new pic like addresses. (arc_delegitimize_address): Clean up. 2018-01-26 Claudiu Zissulescu * config/arc/arc-arches.def: Option mrf16 valid for all architectures. * config/arc/arc-c.def (__ARC_RF16__): New predefined macro. * config/arc/arc-cpus.def (em_mini): New cpu with rf16 on. * config/arc/arc-options.def (FL_RF16): Add mrf16 option. * config/arc/arc-tables.opt: Regenerate. * config/arc/arc.c (arc_conditional_register_usage): Handle reduced register file case. (arc_file_start): Set must have build attributes. * config/arc/arc.h (MAX_ARC_PARM_REGS): Conditional define using mrf16 option value. * config/arc/arc.opt (mrf16): Add new option. * config/arc/elf.h (ATTRIBUTE_PCS): Define. * config/arc/genmultilib.awk: Handle new mrf16 option. * config/arc/linux.h (ATTRIBUTE_PCS): Define. * config/arc/t-multilib: Regenerate. * doc/invoke.texi (ARC Options): Document mrf16 option. 2018-01-26 Claudiu Zissulescu * config/arc/arc-protos.h: Add arc_is_secure_call_p proto. * config/arc/arc.c (arc_handle_secure_attribute): New function. (arc_attribute_table): Add 'secure_call' attribute. (arc_print_operand): Print secure call operand. (arc_function_ok_for_sibcall): Don't optimize tail calls when secure. (arc_is_secure_call_p): New function. * config/arc/arc.md (call_i): Add support for sjli instruction. (call_value_i): Likewise. * config/arc/constraints.md (Csc): New constraint. 2018-01-26 Claudiu Zissulescu John Eric Martin * config/arc/arc-protos.h: Add arc_is_jli_call_p proto. * config/arc/arc.c (_arc_jli_section): New struct. (arc_jli_section): New type. (rc_jli_sections): New static variable. (arc_handle_jli_attribute): New function. (arc_attribute_table): Add jli_always and jli_fixed attribute. (arc_file_end): New function. (TARGET_ASM_FILE_END): Define. (arc_print_operand): Reuse 'S' letter for JLI output instruction. (arc_add_jli_section): New function. (jli_call_scan): Likewise. (arc_reorg): Call jli_call_scan. (arc_output_addsi): Remove 'S' from printing asm operand. (arc_is_jli_call_p): New function. * config/arc/arc.md (movqi_insn): Remove 'S' from printing asm operand. (movhi_insn): Likewise. (movsi_insn): Likewise. (movsi_set_cc_insn): Likewise. (loadqi_update): Likewise. (load_zeroextendqisi_update): Likewise. (load_signextendqisi_update): Likewise. (loadhi_update): Likewise. (load_zeroextendhisi_update): Likewise. (load_signextendhisi_update): Likewise. (loadsi_update): Likewise. (loadsf_update): Likewise. (movsicc_insn): Likewise. (bset_insn): Likewise. (bxor_insn): Likewise. (bclr_insn): Likewise. (bmsk_insn): Likewise. (bicsi3_insn): Likewise. (cmpsi_cc_c_insn): Likewise. (movsi_ne): Likewise. (movsi_cond_exec): Likewise. (clrsbsi2): Likewise. (norm_f): Likewise. (normw): Likewise. (swap): Likewise. (divaw): Likewise. (flag): Likewise. (sr): Likewise. (kflag): Likewise. (ffs): Likewise. (ffs_f): Likewise. (fls): Likewise. (call_i): Remove 'S' asm letter, add jli instruction. (call_value_i): Likewise. * config/arc/arc.op (mjli-always): New option. * config/arc/constraints.md (Cji): New constraint. * config/arc/fpx.md (addsf3_fpx): Remove 'S' from printing asm operand. (subsf3_fpx): Likewise. (mulsf3_fpx): Likewise. * config/arc/simdext.md (vendrec_insn): Remove 'S' from printing asm operand. * doc/extend.texi (ARC): Document 'jli-always' and 'jli-fixed' function attrbutes. * doc/invoke.texi (ARC): Document mjli-always option. 2018-01-26 Sebastian Perta * config/rl78/rl78.c (rl78_addsi3_internal): If operand 2 is const avoid addition with 0 and use incw and decw where possible. 2018-01-26 Richard Biener PR tree-optimization/81082 * fold-const.c (fold_plusminus_mult_expr): Do not perform the association if it requires casting to unsigned. * match.pd ((A * C) +- (B * C) -> (A+-B)): New patterns derived from fold_plusminus_mult_expr to catch important cases late when range info is available. 2018-01-26 Rainer Orth * config/i386/sol2.h (USE_HIDDEN_LINKONCE): Remove. * configure.ac (hidden_linkonce): New test. * configure: Regenerate. * config.in: Regenerate. 2018-01-26 Julia Koval * config/i386/avx512bitalgintrin.h (_mm512_bitshuffle_epi64_mask, _mm512_mask_bitshuffle_epi64_mask, _mm256_bitshuffle_epi64_mask, _mm256_mask_bitshuffle_epi64_mask, _mm_bitshuffle_epi64_mask, _mm_mask_bitshuffle_epi64_mask): Fix type. * config/i386/i386-builtin-types.def (UHI_FTYPE_V2DI_V2DI_UHI, USI_FTYPE_V4DI_V4DI_USI): Remove. * config/i386/i386-builtin.def (__builtin_ia32_vpshufbitqmb512_mask, __builtin_ia32_vpshufbitqmb256_mask, __builtin_ia32_vpshufbitqmb128_mask): Fix types. * config/i386/i386.c (ix86_expand_args_builtin): Remove old types. * config/i386/sse.md (VI1_AVX512VLBW): Change types. 2018-01-26 Alan Modra PR target/84033 * config/rs6000/rs6000-p8swap.c (rtx_is_swappable_p): Exclude UNSPEC_VBPERMQ. Sort other unspecs. 2018-01-25 David Edelsohn * doc/invoke.texi (PowerPC Options): Document 'native' cpu type. 2018-01-25 Jan Hubicka PR middle-end/83055 * predict.c (drop_profile): Do not push/pop cfun; update also node->count. (handle_missing_profiles): Fix logic looking for zero profiles. 2018-01-25 Jakub Jelinek PR middle-end/83977 * ipa-fnsummary.c (compute_fn_summary): Clear can_change_signature on functions with #pragma omp declare simd or functions with simd attribute. * omp-simd-clone.c (expand_simd_clones): Revert 2018-01-24 change. * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen): Remove trailing \n from warning_at calls. 2018-01-25 Tom de Vries PR target/84028 * config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call for neutered workers. 2018-01-24 Joseph Myers PR target/68467 * config/m68k/m68k.c (m68k_promote_function_mode): New function. (TARGET_PROMOTE_FUNCTION_MODE): New macro. 2018-01-24 Jeff Law PR target/83994 * i386.c (get_probe_interval): Move to earlier point. (ix86_compute_frame_layout): If -fstack-clash-protection and the frame is larger than the probe interval, then use pushes to save registers rather than reg->mem moves. (ix86_expand_prologue): Remove conditional for int_registers_saved assertion. 2018-01-24 Vladimir Makarov PR target/84014 * ira-build.c (setup_min_max_allocno_live_range_point): Set up min/max for never referenced object. 2018-01-24 Jakub Jelinek PR middle-end/83977 * tree.c (free_lang_data_in_decl): Don't clear DECL_ABSTRACT_ORIGIN here. * omp-low.c (create_omp_child_function): Remove "omp declare simd" attributes from DECL_ATTRIBUTES (decl) without affecting DECL_ATTRIBUTES (current_function_decl). * omp-simd-clone.c (expand_simd_clones): Ignore DECL_ARTIFICIAL functions with non-NULL DECL_ABSTRACT_ORIGIN. 2018-01-24 Richard Sandiford PR tree-optimization/83979 * fold-const.c (fold_comparison): Use constant_boolean_node instead of boolean_{true,false}_node. 2018-01-24 Jan Hubicka * ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls with zero counts. 2018-01-24 Bill Schmidt * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Simplify the clause that sets the length attribute. (*call_value_indirect_nonlocal_sysv): Likewise. (*sibcall_nonlocal_sysv): Clean up code block; simplify the clause that sets the length attribute. (*sibcall_value_nonlocal_sysv): Likewise. 2018-01-24 Tom de Vries PR target/83589 * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG_2): Define to 1. (nvptx_pc_set, nvptx_condjump_label): New function. Copy from jump.c. Add strict parameter. (prevent_branch_around_nothing): Insert dummy insn between branch to label and label with no ptx insn inbetween. * config/nvptx/nvptx.md (define_insn "fake_nop"): New insn. 2018-01-24 Tom de Vries PR target/81352 * config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call for neutered threads in warp. * config/nvptx/nvptx.md (define_insn "exit"): New insn. 2018-01-24 Richard Biener PR tree-optimization/83176 * tree-chrec.c (chrec_fold_plus_1): Handle (signed T){(T) .. } operands. 2018-01-24 Richard Biener PR tree-optimization/82819 * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Avoid code generating pluses that are no-ops in the target precision. 2018-01-24 Richard Biener PR middle-end/84000 * tree-cfg.c (replace_loop_annotate): Handle annot_expr_parallel_kind. 2018-01-23 Jan Hubicka * cfgcleanup.c (try_crossjump_to_edge): Use combine_with_count to merge probabilities. * predict.c (probably_never_executed): Also mark as cold functions with global 0 profile and guessed local profile. * profile-count.c (profile_probability::combine_with_count): New member function. * profile-count.h (profile_probability::operator*, profile_probability::operator*=, profile_probability::operator/, profile_probability::operator/=): Reduce precision to adjusted and set value to guessed on contradictory divisions. (profile_probability::combine_with_freq): Remove. (profile_probability::combine_wiht_count): Declare. (profile_count::force_nonzero):: Set to adjusted. (profile_count::probability_in):: Set quality to adjusted. * tree-ssa-tail-merge.c (replace_block_by): Use combine_with_count. 2018-01-23 Andrew Waterman Jim Wilson * config/riscv/riscv.c (riscv_stack_boundary): New. (riscv_option_override): Set riscv_stack_boundary. Handle riscv_preferred_stack_boundary_arg. * config/riscv/riscv.h (MIN_STACK_BOUNDARY, ABI_STACK_BOUNDARY): New. (BIGGEST_ALIGNMENT): Set to STACK_BOUNDARY. (STACK_BOUNDARY): Set to riscv_stack_boundary. (RISCV_STACK_ALIGN): Use STACK_BOUNDARY. * config/riscv/riscv.opt (mpreferred-stack-boundary): New. * doc/invoke.tex (RISC-V Options): Add -mpreferred-stack-boundary. 2018-01-23 H.J. Lu PR target/83905 * config/i386/i386.c (ix86_expand_prologue): Use cost reference of struct ix86_frame. (ix86_expand_epilogue): Likewise. Add a local variable for the reg_save_offset field in struct ix86_frame. 2018-01-23 Bin Cheng PR tree-optimization/82604 * tree-loop-distribution.c (enum partition_kind): New enum item PKIND_PARTIAL_MEMSET. (partition_builtin_p): Support above new enum item. (generate_code_for_partition): Ditto. (compute_access_range): Differentiate cases that equality can be proven at all loops, the innermost loops or no loops. (classify_builtin_st, classify_builtin_ldst): Adjust call to above function. Set PKIND_PARTIAL_MEMSET for partition appropriately. (finalize_partitions, distribute_loop): Don't fuse partition of PKIND_PARTIAL_MEMSET kind when distributing 3-level loop nest. (prepare_perfect_loop_nest): Distribute 3-level loop nest only if parloop is enabled. 2018-01-23 Martin Liska * predict.def (PRED_INDIR_CALL): Set probability to PROB_EVEN in order to ignore the predictor. (PRED_POLYMORPHIC_CALL): Likewise. (PRED_RECURSIVE_CALL): Likewise. 2018-01-23 Martin Liska * tree-profile.c (tree_profiling): Print function header to aware reader which function we are working on. * value-prof.c (gimple_find_values_to_profile): Do not print not interesting value histograms. 2018-01-23 Martin Liska * profile-count.h (enum profile_quality): Add profile_uninitialized as the first value. Do not number values as they are zero based. (profile_count::verify): Update sanity check. (profile_probability::verify): Likewise. 2018-01-23 Nathan Sidwell * doc/invoke.texi (ffor-scope): Deprecate. 2018-01-23 David Malcolm PR tree-optimization/83510 * domwalk.c (set_all_edges_as_executable): New function. (dom_walker::dom_walker): Convert bool param "skip_unreachable_blocks" to enum reachability. Move setup of edge flags to set_all_edges_as_executable and only do it when reachability is REACHABLE_BLOCKS. * domwalk.h (enum dom_walker::reachability): New enum. (dom_walker::dom_walker): Convert bool param "skip_unreachable_blocks" to enum reachability. (set_all_edges_as_executable): New decl. * graphite-scop-detection.c (gather_bbs::gather_bbs): Convert from false for "skip_unreachable_blocks" to ALL_BLOCKS for "reachability". * tree-ssa-dom.c (dom_opt_dom_walker::dom_opt_dom_walker): Likewise, but converting true to REACHABLE_BLOCKS. * tree-ssa-sccvn.c (sccvn_dom_walker::sccvn_dom_walker): Likewise. * tree-vrp.c (check_array_bounds_dom_walker::check_array_bounds_dom_walker): Likewise, but converting it to REACHABLE_BLOCKS_PRESERVING_FLAGS. (vrp_dom_walker::vrp_dom_walker): Likewise, but converting it to REACHABLE_BLOCKS. (vrp_prop::vrp_finalize): Call set_all_edges_as_executable if check_all_array_refs will be called. 2018-01-23 David Malcolm * tree.c (selftest::test_location_wrappers): Add more test coverage. 2018-01-23 David Malcolm * sbitmap.c (selftest::test_set_range): Fix memory leaks. (selftest::test_bit_in_range): Likewise. 2018-01-23 Richard Sandiford PR testsuite/83888 * doc/sourcebuild.texi (vect_float): Say that the selector only describes the situation when -funsafe-math-optimizations is on. (vect_float_strict): Document. 2018-01-23 Richard Sandiford PR tree-optimization/83965 * tree-vect-patterns.c (vect_reassociating_reduction_p): New function. (vect_recog_dot_prod_pattern, vect_recog_sad_pattern): Use it instead of checking only for a reduction. (vect_recog_widen_sum_pattern): Likewise. 2018-01-23 Jan Hubicka * predict.c (probably_never_executed): Only use precise profile info. (compute_function_frequency): Skip after inlining hack since we now have quality checking. 2018-01-23 Jan Hubicka * profile-count.h (profile_probability::very_unlikely, profile_probability::unlikely, profile_probability::even): Set precision to guessed. 2018-01-23 Richard Biener PR tree-optimization/83963 * graphite-scop-detection.c (scop_detection::harmful_loop_in_region): Properly terminate dominator walk when crossing the exit edge not when visiting its source block. 2018-01-23 Jakub Jelinek PR c++/83918 * tree.c (maybe_wrap_with_location): Use NON_LVALUE_EXPR rather than VIEW_CONVERT_EXPR to wrap CONST_DECLs. 2018-01-22 Jakub Jelinek PR tree-optimization/83957 * omp-expand.c (expand_omp_for_generic): Ignore virtual PHIs. Remove semicolon after for body surrounded by braces. PR tree-optimization/83081 * profile-count.h (profile_probability::split): New method. * dojump.c (do_jump_1) : Use profile_probability::split. (do_compare_rtx_and_jump): Fix adjustment of probabilities when splitting a single conditional jump into 2. 2018-01-22 David Malcolm PR tree-optimization/69452 * tree-ssa-loop-im.c (class move_computations_dom_walker): Remove decl. 2018-01-22 Sebastian Perta * config/rl78/rl78-expand.md (bswaphi2): New define_expand. * config/rl78/rl78-virt.md (*bswaphi2_virt): New define_insn. * config/rl78/rl78-real.md (*bswaphi2_real): New define_insn. 2018-01-22 Sebastian Perta * config/rl78/rl78-protos.h (rl78_split_movdi): New function declaration. * config/rl78/rl78.md (movdi): New define_expand. * config/rl78/rl78.c (rl78_split_movdi): New function. 2018-01-22 Michael Meissner PR target/83862 * config/rs6000/rs6000-protos.h (rs6000_split_signbit): Delete, no longer used. * config/rs6000/rs6000.c (rs6000_split_signbit): Likewise. * config/rs6000/rs6000.md (signbit2): Change code for IEEE 128-bit to produce an UNSPEC move to get the double word with the signbit and then a shift directly to do signbit. (signbit2_dm): Replace old IEEE 128-bit signbit implementation with a new version that just does either a direct move or a regular move. Move memory interface to separate insns. Move insns so they are next to the expander. (signbit2_dm_mem_be): New combiner insns to combine load with signbit move. Split big and little endian case. (signbit2_dm_mem_le): Likewise. (signbit2_dm_ext): Delete, no longer used. (signbit2_dm2): Likewise. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (anddi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (umindi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (smindi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (smaxdi3): New define_expand. 2018-01-22 Carl Love * config/rs6000/rs6000-builtin.def (ST_ELEMREV_V1TI, LD_ELEMREV_V1TI, LVX_V1TI): Add macro expansion. * config/rs6000/rs6000-c.c (altivec_builtin_types): Add argument definitions for VSX_BUILTIN_VEC_XST_BE, VSX_BUILTIN_VEC_ST, VSX_BUILTIN_VEC_XL, LD_ELEMREV_V1TI builtins. * config/rs6000/rs6000-p8swap.c (insn_is_swappable_p); Change check to determine if the instruction is a byte reversing entry. Fix typo in comment. * config/rs6000/rs6000.c (altivec_expand_builtin): Add case entry for VSX_BUILTIN_ST_ELEMREV_V1TI and VSX_BUILTIN_LD_ELEMREV_V1TI. Add def_builtin calls for new builtins. * config/rs6000/vsx.md (vsx_st_elemrev_v1ti, vsx_ld_elemrev_v1ti): Add define_insn expansion. 2018-01-22 Sebastian Perta * config/rl78/rl78.md (umaxdi3): New define_expand. 2018-01-22 Sebastian Perta * config/rl78/rl78.c (rl78_note_reg_set): Fixed dead reg check for non-QImode registers. 2018-01-22 Richard Biener PR tree-optimization/83963 * graphite-scop-detection.c (scop_detection::get_sese): Delay including the loop exit block. (scop_detection::merge_sese): Likewise. (scop_detection::add_scop): Do it here instead. 2018-01-22 Kyrylo Tkachov * doc/sourcebuild.texi (arm_softfloat): Document. 2018-01-21 John David Anglin PR gcc/77734 * config/pa/pa.c (pa_function_ok_for_sibcall): Use targetm.binds_local_p instead of TREE_PUBLIC to check local binding. Move TARGET_PORTABLE_RUNTIME check after TARGET_64BIT check. 2018-01-21 Bill Schmidt David Edelsohn PR target/83946 * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Change "crset eq" to "crset 2". (*call_value_indirect_nonlocal_sysv): Likewise. (*call_indirect_aix_nospec): Likewise. (*call_value_indirect_aix_nospec): Likewise. (*call_indirect_elfv2_nospec): Likewise. (*call_value_indirect_elfv2_nospec): Likewise. (*sibcall_nonlocal_sysv): Change "crset eq" to "crset 2"; change assembly output from . to $. (*sibcall_value_nonlocal_sysv): Likewise. (indirect_jump_nospec): Change assembly output from . to $. (*tablejump_internal1_nospec): Likewise. 2018-01-21 Oleg Endo PR target/80870 * config/sh/sh_optimize_sett_clrt.cc: Use INCLUDE_ALGORITHM and INCLUDE_VECTOR instead of direct includes. 2018-01-20 Richard Sandiford PR tree-optimization/83940 * tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Set offset_dt to vect_constant_def rather than vect_unknown_def_type. (vect_check_load_store_mask): Add a mask_dt_out parameter and use it to pass back the definition type. (vect_check_store_rhs): Likewise rhs_dt_out. (vect_build_gather_load_calls): Add a mask_dt argument and use it instead of a call to vect_is_simple_use. (vectorizable_store): Update calls to vect_check_load_store_mask and vect_check_store_rhs. Use the dt returned by the latter instead of scatter_src_dt. Use the cached mask_dt and gs_info.offset_dt instead of calls to vect_is_simple_use. Pass the scalar rather than the vector operand to vect_is_simple_use when handling second and subsequent copies of an rhs value. (vectorizable_load): Update calls to vect_check_load_store_mask and vect_build_gather_load_calls. Use the cached mask_dt and gs_info.offset_dt instead of calls to vect_is_simple_use. 2018-01-20 Jakub Jelinek PR middle-end/83945 * tree-emutls.c: Include gimplify.h. (lower_emutls_2): New function. (lower_emutls_1): If ADDR_EXPR is a gimple invariant and walk_tree with lower_emutls_2 callback finds some TLS decl in it, unshare_expr it before further processing. PR target/83930 * simplify-rtx.c (simplify_binary_operation_1) : Use UINTVAL (trueop1) instead of INTVAL (op1). 2018-01-19 Jakub Jelinek PR debug/81570 PR debug/83728 * dwarf2cfi.c (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define to INCOMING_FRAME_SP_OFFSET if not defined. (scan_trace): Add ENTRY argument. If true and DEFAULT_INCOMING_FRAME_SP_OFFSET != INCOMING_FRAME_SP_OFFSET, emit a note to adjust the CFA offset. (create_cfi_notes): Adjust scan_trace callers. (create_cie_data): Use DEFAULT_INCOMING_FRAME_SP_OFFSET rather than INCOMING_FRAME_SP_OFFSET in the CIE. * config/i386/i386.h (DEFAULT_INCOMING_FRAME_SP_OFFSET): Define. * config/stormy16/stormy16.h (DEFAULT_INCOMING_FRAME_SP_OFFSET): Likewise. * doc/tm.texi.in (DEFAULT_INCOMING_FRAME_SP_OFFSET): Document. * doc/tm.texi: Regenerated. 2018-01-19 Andreas Krebbel PR rtl-optimization/83147 * lra-constraints.c (remove_inheritance_pseudos): Use lra_substitute_pseudo_within_insn. 2018-01-19 Tom de Vries Cesar Philippidis PR target/83920 * config/nvptx/nvptx.c (nvptx_single): Fix jit workaround. 2018-01-19 Cesar Philippidis PR target/83790 * config/nvptx/nvptx.c (output_init_frag): Don't use generic address spaces for function labels. 2018-01-19 Martin Liska * predict.def (PRED_LOOP_EXIT): Change from 85 to 89. (PRED_LOOP_EXIT_WITH_RECURSION): Change from 72 to 78. (PRED_LOOP_EXTRA_EXIT): Change from 83 to 67. (PRED_OPCODE_POSITIVE): Change from 64 to 59. (PRED_TREE_OPCODE_POSITIVE): Change from 64 to 59. (PRED_CONST_RETURN): Change from 69 to 65. (PRED_NULL_RETURN): Change from 91 to 71. (PRED_LOOP_IV_COMPARE_GUESS): Change from 98 to 64. (PRED_LOOP_GUARD): Change from 66 to 73. 2018-01-19 Martin Liska * predict.c (predict_insn_def): Add new assert. (struct branch_predictor): Change type to signed integer. (test_prediction_value_range): Amend test to cover PROB_UNINITIALIZED. * predict.def (PRED_LOOP_ITERATIONS): Use the new constant. (PRED_LOOP_ITERATIONS_GUESSED): Likewise. (PRED_LOOP_ITERATIONS_MAX): Likewise. (PRED_LOOP_IV_COMPARE): Likewise. * predict.h (PROB_UNINITIALIZED): Define new constant. 2018-01-19 Martin Liska * predict.c (dump_prediction): Add new format for analyze_brprob.py script which is enabled with -details suboption. * profile-count.h (precise_p): New function. 2018-01-19 Richard Sandiford PR tree-optimization/83922 * tree-vect-loop.c (vect_verify_full_masking): Return false if there are no statements that need masking. (vect_active_double_reduction_p): New function. (vect_analyze_loop_operations): Use it when handling phis that are not in the loop header. 2018-01-19 Richard Sandiford PR tree-optimization/83914 * tree-vect-loop.c (vectorizable_induction): Don't convert init_expr or apply the peeling adjustment for inductions that are nested within the vectorized loop. 2018-01-19 Kyrylo Tkachov * config/arm/thumb2.md (*thumb2_negsi2_short): Use RSB mnemonic instead of NEG. 2018-01-18 Jakub Jelinek PR sanitizer/81715 PR testsuite/83882 * function.h (gimplify_parameters): Add gimple_seq * argument. * function.c: Include gimple.h and options.h. (gimplify_parameters): Add cleanup argument, add CLOBBER stmts for the added local temporaries if needed. * gimplify.c (gimplify_body): Adjust gimplify_parameters caller, if there are any parameter cleanups, wrap whole body into a try/finally with the cleanups. 2018-01-18 Wilco Dijkstra PR target/82964 * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Use GET_MODE_CLASS for scalar floating point. 2018-01-18 Jan Hubicka PR ipa/82256 patch by PaX Team * cgraphclones.c (cgraph_node::create_version_clone_with_body): Fix call of call_cgraph_insertion_hooks. 2018-01-18 Martin Sebor * doc/invoke.texi (-Wclass-memaccess): Tweak text. 2018-01-18 Jan Hubicka PR ipa/83619 * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Update edge frequencies. 2018-01-18 Boris Kolpackov PR other/70268 * common.opt: (-ffile-prefix-map): New option. * opts.c (common_handle_option): Defer it. * opts-global.c (handle_common_deferred_options): Handle it. * debug.h (remap_debug_filename, add_debug_prefix_map): Move to... * file-prefix-map.h: New file. (remap_debug_filename, add_debug_prefix_map): ...here. (add_macro_prefix_map, add_file_prefix_map, remap_macro_filename): New. * final.c (debug_prefix_map, add_debug_prefix_map remap_debug_filename): Move to... * file-prefix-map.c: New file. (file_prefix_map, add_prefix_map, remap_filename) ...here and rename, generalize, get rid of alloca(), use strrchr() instead of strchr(). (add_macro_prefix_map, add_debug_prefix_map, add_file_prefix_map): Implement in terms of add_prefix_map(). (remap_macro_filename, remap_debug_filename): Implement in term of remap_filename(). * Makefile.in (OBJS, PLUGIN_HEADERS): Add new files. * builtins.c (fold_builtin_FILE): Call remap_macro_filename(). * dbxout.c: Include file-prefix-map.h. * varasm.c: Likewise. * vmsdbgout.c: Likewise. * xcoffout.c: Likewise. * dwarf2out.c: Likewise plus omit new options from DW_AT_producer. * doc/cppopts.texi (-fmacro-prefix-map): Document. * doc/invoke.texi (-ffile-prefix-map): Document. (-fdebug-prefix-map): Update description. 2018-01-18 Martin Liska * config/i386/i386.c (indirect_thunk_name): Document that also lfence is emitted. (output_indirect_thunk): Document why both instructions (pause and lfence) are generated. 2018-01-18 Richard Biener PR tree-optimization/83887 * graphite-scop-detection.c (scop_detection::get_nearest_dom_with_single_entry): Remove. (scop_detection::get_nearest_pdom_with_single_exit): Likewise. (scop_detection::merge_sese): Re-implement with a flood-fill algorithm that properly finds a SESE region if it exists. 2018-01-18 Jakub Jelinek PR c/61240 * match.pd ((P + A) - P, P - (P + A), (P + A) - (P + B)): For pointer_diff optimizations use view_convert instead of convert. 2018-01-17 Bill Schmidt * config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv): Generate different code for -mno-speculate-indirect-jumps. (*call_value_indirect_nonlocal_sysv): Likewise. (*call_indirect_aix): Disable for -mno-speculate-indirect-jumps. (*call_indirect_aix_nospec): New define_insn. (*call_value_indirect_aix): Disable for -mno-speculate-indirect-jumps. (*call_value_indirect_aix_nospec): New define_insn. (*sibcall_nonlocal_sysv): Generate different code for -mno-speculate-indirect-jumps. (*sibcall_value_nonlocal_sysv): Likewise. 2018-01-17 Michael Meissner * config/rs6000/rs6000.c (rs6000_emit_move): If we load or store a long double type, set the flags for noting the default long double type, even if we don't pass or return a long double type. 2018-01-17 Jan Hubicka PR ipa/83051 * ipa-inline.c (flatten_function): Do not overwrite final inlining failure. 2018-01-17 Will Schmidt * config/rs6000/rs6000.c (rs6000_gimple_builtin): Add gimple folding support for merge[hl]. (fold_mergehl_helper): New helper function. (tree-vector-builder.h): New #include for tree_vector_builder usage. * config/rs6000/altivec.md (altivec_vmrghw_direct): Add xxmrghw insn. (altivec_vmrglw_direct): Add xxmrglw insn. 2018-01-17 Andrew Waterman * config/riscv/riscv.c (riscv_conditional_register_usage): If UNITS_PER_FP_ARG is 0, set call_used_regs to 1 for all FP regs. 2018-01-17 David Malcolm PR lto/83121 * ipa-devirt.c (add_type_duplicate): When comparing memory layout, call the lto_location_cache before reading the DECL_SOURCE_LOCATION of the types. 2018-01-17 Wilco Dijkstra Richard Sandiford * config/aarch64/aarch64.md (movti_aarch64): Use Uti constraint. * config/aarch64/aarch64.c (aarch64_mov128_immediate): New function. (aarch64_legitimate_constant_p): Just support CONST_DOUBLE SF/DF/TF mode to avoid creating illegal CONST_WIDE_INT immediates. * config/aarch64/aarch64-protos.h (aarch64_mov128_immediate): Add declaration. * config/aarch64/constraints.md (aarch64_movti_operand): Limit immediates. * config/aarch64/predicates.md (Uti): Add new constraint. 2018-01-17 Carl Love * config/rs6000/vsx.md (define_expand xl_len_r, define_expand stxvl, define_expand *stxvl): Add match_dup argument. (define_insn): Add, match_dup 1 argument to define_insn stxvll and lxvll. (define_expand, define_insn): Move the shift left from the define_insn to the define_expand for lxvl and stxvl instructions. * config/rs6000/rs6000-builtin.def (BU_P9V_64BIT_VSX_2): Change LXVL and XL_LEN_R definitions to PURE. 2018-01-17 Uros Bizjak * config/i386/i386.c (indirect_thunk_name): Declare regno as unsigned int. Compare regno with INVALID_REGNUM. (output_indirect_thunk): Ditto. (output_indirect_thunk_function): Ditto. (ix86_code_end): Declare regno as unsigned int. Use INVALID_REGNUM in the call to output_indirect_thunk_function. 2018-01-17 Richard Sandiford PR middle-end/83884 * expr.c (expand_expr_real_1): Use the size of GET_MODE (op0) rather than the size of inner_type to determine the stack slot size when handling VIEW_CONVERT_EXPRs on strict-alignment targets. 2018-01-16 Sebastian Peryt PR target/83546 * config/i386/i386.c (ix86_option_override_internal): Add PTA_RDRND to PTA_SILVERMONT. 2018-01-16 Michael Meissner * config.gcc (powerpc*-linux*-*): Add support for 64-bit little endian Linux systems to optionally enable multilibs for selecting the long double type if the user configured an explicit type. * config/rs6000/rs6000.h (TARGET_IEEEQUAD_MULTILIB): Indicate we have no long double multilibs if not defined. * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not warn if the user used -mabi={ieee,ibm}longdouble and we built multilibs for long double. * config/rs6000/linux64.h (MULTILIB_DEFAULTS_IEEE): Define as the appropriate multilib option. (MULTILIB_DEFAULTS): Add MULTILIB_DEFAULTS_IEEE to the default multilib options. * config/rs6000/t-ldouble-linux64le-ibm: New configuration files for building long double multilibs. * config/rs6000/t-ldouble-linux64le-ieee: Likewise. 2018-01-16 John David Anglin * config.gcc (hppa*-*-linux*): Change callee copies ABI to caller copies. * config/pa.h (MALLOC_ABI_ALIGNMENT): Set 32-bit alignment default to 64 bits. * config/pa/pa32-linux.h (MALLOC_ABI_ALIGNMENT): Set alignment to 128 bits. * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Cleanup type and mode variables. * config/pa/pa.c (pa_function_arg_size): Apply CEIL to GET_MODE_SIZE return value. 2018-01-16 Eric Botcazou * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): For an ADDR_EXPR, do not count the offset of a COMPONENT_REF twice. 2018-01-16 Kelvin Nilsen * config/rs6000/rs6000-p8swap.c (rs6000_gen_stvx): Generate different rtl trees depending on TARGET_64BIT. (rs6000_gen_lvx): Likewise. 2018-01-16 Eric Botcazou * config/visium/visium.md (nop): Tweak comment. (hazard_nop): Likewise. 2018-01-16 Bill Schmidt * config/rs6000/rs6000.c (rs6000_opt_vars): Add entry for -mspeculate-indirect-jumps. * config/rs6000/rs6000.md (*call_indirect_elfv2): Disable for -mno-speculate-indirect-jumps. (*call_indirect_elfv2_nospec): New define_insn. (*call_value_indirect_elfv2): Disable for -mno-speculate-indirect-jumps. (*call_value_indirect_elfv2_nospec): New define_insn. (indirect_jump): Emit different RTL for -mno-speculate-indirect-jumps. (*indirect_jump): Disable for -mno-speculate-indirect-jumps. (*indirect_jump_nospec): New define_insn. (tablejump): Emit different RTL for -mno-speculate-indirect-jumps. (tablejumpsi): Disable for -mno-speculate-indirect-jumps. (tablejumpsi_nospec): New define_expand. (tablejumpdi): Disable for -mno-speculate-indirect-jumps. (tablejumpdi_nospec): New define_expand. (*tablejump_internal1): Disable for -mno-speculate-indirect-jumps. (*tablejump_internal1_nospec): New define_insn. * config/rs6000/rs6000.opt (mspeculate-indirect-jumps): New option. 2018-01-16 Artyom Skrobov tyomitch@gmail.com * caller-save.c (insert_save): Drop unnecessary parameter. All callers updated. 2018-01-16 Jakub Jelinek Richard Biener PR libgomp/83590 * gimplify.c (gimplify_one_sizepos): For is_gimple_constant (expr) return early, inline manually is_gimple_sizepos. Make sure if we call gimplify_expr we don't end up with a gimple constant. * tree.c (variably_modified_type_p): Don't return true for is_gimple_constant (_t). Inline manually is_gimple_sizepos. * gimplify.h (is_gimple_sizepos): Remove. 2018-01-16 Richard Sandiford PR tree-optimization/83857 * tree-vect-loop.c (vect_analyze_loop_operations): Don't call vectorizable_live_operation for pure SLP statements. (vectorizable_live_operation): Handle PHIs. 2018-01-16 Richard Biener PR tree-optimization/83867 * tree-vect-stmts.c (vect_transform_stmt): Precompute nested_in_vect_loop_p since the scalar stmt may get invalidated. 2018-01-16 Jakub Jelinek PR c/83844 * stor-layout.c (handle_warn_if_not_align): Use byte_position and multiple_of_p instead of unchecked tree_to_uhwi and UHWI check. If off is not INTEGER_CST, issue a may not be aligned warning rather than isn't aligned. Use isn%'t rather than isn't. * fold-const.c (multiple_of_p) : Don't fall through into MULT_EXPR. : Improve the case when bottom and one of the MULT_EXPR operands are INTEGER_CSTs and bottom is multiple of that operand, in that case check if the other operand is multiple of bottom divided by the INTEGER_CST operand. 2018-01-16 Richard Sandiford PR target/83858 * config/pa/pa.h (FUNCTION_ARG_SIZE): Delete. * config/pa/pa-protos.h (pa_function_arg_size): Declare. * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Use pa_function_arg_size instead of FUNCTION_ARG_SIZE. * config/pa/pa.c (pa_function_arg_advance): Likewise. (pa_function_arg, pa_arg_partial_bytes): Likewise. (pa_function_arg_size): New function. 2018-01-16 Richard Sandiford * fold-const.c (fold_ternary_loc): Construct the vec_perm_indices in a separate statement. 2018-01-16 Richard Sandiford PR tree-optimization/83847 * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Don't group gathers and scatters. 2018-01-16 Jakub Jelinek PR rtl-optimization/86620 * params.def (max-sched-ready-insns): Bump minimum value to 1. PR rtl-optimization/83213 * recog.c (peep2_attempt): Copy over CROSSING_JUMP_P from peepinsn to last if both are JUMP_INSNs. PR tree-optimization/83843 * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Handle bit_not_p on store_immediate_info for bswap/nop orig_stores. 2018-01-15 Andrew Waterman * config/riscv/riscv.c (riscv_rtx_costs) : Increase cost if !TARGET_MUL. : Increase cost if !TARGET_DIV. 2018-01-15 Segher Boessenkool * config/rs6000/rs6000.md (define_attr "type"): Remove delayed_cr. (define_attr "cr_logical_3op"): New. (cceq_ior_compare): Adjust. (cceq_ior_compare_complement): Adjust. (*cceq_rev_compare): Adjust. * config/rs6000/rs6000.c (rs6000_adjust_cost): Adjust. (is_cracked_insn): Adjust. (insn_must_be_first_in_group): Adjust. * config/rs6000/40x.md: Adjust. * config/rs6000/440.md: Adjust. * config/rs6000/476.md: Adjust. * config/rs6000/601.md: Adjust. * config/rs6000/603.md: Adjust. * config/rs6000/6xx.md: Adjust. * config/rs6000/7450.md: Adjust. * config/rs6000/7xx.md: Adjust. * config/rs6000/8540.md: Adjust. * config/rs6000/cell.md: Adjust. * config/rs6000/e300c2c3.md: Adjust. * config/rs6000/e500mc.md: Adjust. * config/rs6000/e500mc64.md: Adjust. * config/rs6000/e5500.md: Adjust. * config/rs6000/e6500.md: Adjust. * config/rs6000/mpc.md: Adjust. * config/rs6000/power4.md: Adjust. * config/rs6000/power5.md: Adjust. * config/rs6000/power6.md: Adjust. * config/rs6000/power7.md: Adjust. * config/rs6000/power8.md: Adjust. * config/rs6000/power9.md: Adjust. * config/rs6000/rs64.md: Adjust. * config/rs6000/titan.md: Adjust. 2018-01-15 H.J. Lu * config/i386/predicates.md (indirect_branch_operand): Rewrite ix86_indirect_branch_register logic. 2018-01-15 H.J. Lu * config/i386/constraints.md (Bs): Update ix86_indirect_branch_register check. Don't check ix86_indirect_branch_register with GOT_memory_operand. (Bw): Likewise. * config/i386/predicates.md (GOT_memory_operand): Don't check ix86_indirect_branch_register here. (GOT32_symbol_operand): Likewise. 2018-01-15 H.J. Lu * config/i386/predicates.md (constant_call_address_operand): Rewrite ix86_indirect_branch_register logic. (sibcall_insn_operand): Likewise. 2018-01-15 H.J. Lu * config/i386/constraints.md (Bs): Replace ix86_indirect_branch_thunk_register with ix86_indirect_branch_register. (Bw): Likewise. * config/i386/i386.md (indirect_jump): Likewise. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Peepholes of indirect call and jump via memory: Likewise. * config/i386/i386.opt: Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. 2018-01-15 Jakub Jelinek PR middle-end/83837 * omp-expand.c (expand_omp_atomic_pipeline): Use loaded_val type rather than type addr's type points to. (expand_omp_atomic_mutex): Likewise. (expand_omp_atomic): Likewise. 2018-01-15 H.J. Lu PR target/83839 * config/i386/i386.c (output_indirect_thunk_function): Use ASM_OUTPUT_LABEL, instead of ASM_OUTPUT_DEF, for TARGET_MACHO for __x86_return_thunk. 2018-01-15 Richard Biener PR middle-end/83850 * expmed.c (extract_bit_field_1): Fix typo. 2018-01-15 Kyrylo Tkachov PR target/83687 * config/arm/iterators.md (VF): New mode iterator. * config/arm/neon.md (neon_vabd_2): Use the above. Remove integer-related logic from pattern. (neon_vabd_3): Likewise. 2018-01-15 Jakub Jelinek PR middle-end/82694 * common.opt (fstrict-overflow): No longer an alias. (fwrapv-pointer): New option. * tree.h (TYPE_OVERFLOW_WRAPS, TYPE_OVERFLOW_UNDEFINED): Define also for pointer types based on flag_wrapv_pointer. * opts.c (common_handle_option) : Set opts->x_flag_wrap[pv] to !value, clear opts->x_flag_trapv if opts->x_flag_wrapv got set. * fold-const.c (fold_comparison, fold_binary_loc): Revert 2017-08-01 changes, just use TYPE_OVERFLOW_UNDEFINED on pointer type instead of POINTER_TYPE_OVERFLOW_UNDEFINED. * match.pd: Likewise in address comparison pattern. * doc/invoke.texi: Document -fwrapv and -fstrict-overflow. 2018-01-15 Richard Biener PR lto/83804 * tree.c (free_lang_data_in_type): Always unlink TYPE_DECLs from TYPE_FIELDS. Free TYPE_BINFO if not used by devirtualization. Reset type names to their identifier if their TYPE_DECL doesn't have linkage (and thus is used for ODR and devirt). (save_debug_info_for_decl): Remove. (save_debug_info_for_type): Likewise. (add_tree_to_fld_list): Adjust. * tree-pretty-print.c (dump_generic_node): Make dumping of type names more robust. 2018-01-15 Richard Biener * BASE-VER: Bump to 8.0.1. 2018-01-14 Martin Sebor PR other/83508 * builtins.c (check_access): Avoid warning when the no-warning bit is set. 2018-01-14 Cory Fields * tree-ssa-loop-im.c (sort_bbs_in_loop_postorder_cmp): Stabilize sort. * ira-color (allocno_hard_regs_compare): Likewise. 2018-01-14 Nathan Rossi PR target/83013 * config/microblaze/microblaze.c (microblaze_asm_output_ident): Use .pushsection/.popsection. 2018-01-14 Martin Sebor PR c++/81327 * doc/invoke.texi (-Wlass-memaccess): Document suppression by casting. 2018-01-14 Jakub Jelinek * config.gcc (i[34567]86-*-*): Remove one duplicate gfniintrin.h entry from extra_headers. (x86_64-*-*): Remove two duplicate gfniintrin.h entries from extra_headers, make the list bitwise identical to the i?86-*-* one. 2018-01-14 H.J. Lu * config/i386/i386.c (ix86_set_indirect_branch_type): Disallow -mcmodel=large with -mindirect-branch=thunk, -mindirect-branch=thunk-extern, -mfunction-return=thunk and -mfunction-return=thunk-extern. * doc/invoke.texi: Document -mcmodel=large is incompatible with -mindirect-branch=thunk, -mindirect-branch=thunk-extern, -mfunction-return=thunk and -mfunction-return=thunk-extern. 2018-01-14 H.J. Lu * config/i386/i386.c (print_reg): Print the name of the full integer register without '%'. (ix86_print_operand): Handle 'V'. * doc/extend.texi: Document 'V' modifier. 2018-01-14 H.J. Lu * config/i386/constraints.md (Bs): Disallow memory operand for -mindirect-branch-register. (Bw): Likewise. * config/i386/predicates.md (indirect_branch_operand): Likewise. (GOT_memory_operand): Likewise. (call_insn_operand): Likewise. (sibcall_insn_operand): Likewise. (GOT32_symbol_operand): Likewise. * config/i386/i386.md (indirect_jump): Call convert_memory_address for -mindirect-branch-register. (tablejump): Likewise. (*sibcall_memory): Likewise. (*sibcall_value_memory): Likewise. Disallow peepholes of indirect call and jump via memory for -mindirect-branch-register. (*call_pop): Replace m with Bw. (*call_value_pop): Likewise. (*sibcall_pop_memory): Replace m with Bs. * config/i386/i386.opt (mindirect-branch-register): New option. * doc/invoke.texi: Document -mindirect-branch-register option. 2018-01-14 H.J. Lu * config/i386/i386-protos.h (ix86_output_function_return): New. * config/i386/i386.c (ix86_set_indirect_branch_type): Also set function_return_type. (indirect_thunk_name): Add ret_p to indicate thunk for function return. (output_indirect_thunk_function): Pass false to indirect_thunk_name. (ix86_output_indirect_branch_via_reg): Likewise. (ix86_output_indirect_branch_via_push): Likewise. (output_indirect_thunk_function): Create alias for function return thunk if regno < 0. (ix86_output_function_return): New function. (ix86_handle_fndecl_attribute): Handle function_return. (ix86_attribute_table): Add function_return. * config/i386/i386.h (machine_function): Add function_return_type. * config/i386/i386.md (simple_return_internal): Use ix86_output_function_return. (simple_return_internal_long): Likewise. * config/i386/i386.opt (mfunction-return=): New option. (indirect_branch): Mention -mfunction-return=. * doc/extend.texi: Document function_return function attribute. * doc/invoke.texi: Document -mfunction-return= option. 2018-01-14 H.J. Lu * config/i386/i386-opts.h (indirect_branch): New. * config/i386/i386-protos.h (ix86_output_indirect_jmp): Likewise. * config/i386/i386.c (ix86_using_red_zone): Disallow red-zone with local indirect jump when converting indirect call and jump. (ix86_set_indirect_branch_type): New. (ix86_set_current_function): Call ix86_set_indirect_branch_type. (indirectlabelno): New. (indirect_thunk_needed): Likewise. (indirect_thunk_bnd_needed): Likewise. (indirect_thunks_used): Likewise. (indirect_thunks_bnd_used): Likewise. (INDIRECT_LABEL): Likewise. (indirect_thunk_name): Likewise. (output_indirect_thunk): Likewise. (output_indirect_thunk_function): Likewise. (ix86_output_indirect_branch_via_reg): Likewise. (ix86_output_indirect_branch_via_push): Likewise. (ix86_output_indirect_branch): Likewise. (ix86_output_indirect_jmp): Likewise. (ix86_code_end): Call output_indirect_thunk_function if needed. (ix86_output_call_insn): Call ix86_output_indirect_branch if needed. (ix86_handle_fndecl_attribute): Handle indirect_branch. (ix86_attribute_table): Add indirect_branch. * config/i386/i386.h (machine_function): Add indirect_branch_type and has_local_indirect_jump. * config/i386/i386.md (indirect_jump): Set has_local_indirect_jump to true. (tablejump): Likewise. (*indirect_jump): Use ix86_output_indirect_jmp. (*tablejump_1): Likewise. (simple_return_indirect_internal): Likewise. * config/i386/i386.opt (mindirect-branch=): New option. (indirect_branch): New. (keep): Likewise. (thunk): Likewise. (thunk-inline): Likewise. (thunk-extern): Likewise. * doc/extend.texi: Document indirect_branch function attribute. * doc/invoke.texi: Document -mindirect-branch= option. 2018-01-14 Jan Hubicka PR ipa/83051 * ipa-inline.c (edge_badness): Tolerate roundoff errors. 2018-01-14 Richard Sandiford * ipa-inline.c (want_inline_small_function_p): Return false if inlining has already failed with CIF_FINAL_ERROR. (update_caller_keys): Call want_inline_small_function_p before can_inline_edge_p. (update_callee_keys): Likewise. 2018-01-10 Kelvin Nilsen * config/rs6000/rs6000-p8swap.c (rs6000_sum_of_two_registers_p): New function. (rs6000_quadword_masked_address_p): Likewise. (quad_aligned_load_p): Likewise. (quad_aligned_store_p): Likewise. (const_load_sequence_p): Add comment to describe the outer-most loop. (mimic_memory_attributes_and_flags): New function. (rs6000_gen_stvx): Likewise. (replace_swapped_aligned_store): Likewise. (rs6000_gen_lvx): Likewise. (replace_swapped_aligned_load): Likewise. (replace_swapped_load_constant): Capitalize argument name in comment describing this function. (rs6000_analyze_swaps): Add a third pass to search for vector loads and stores that access quad-word aligned addresses and replace with stvx or lvx instructions when appropriate. * config/rs6000/rs6000-protos.h (rs6000_sum_of_two_registers_p): New function prototype. (rs6000_quadword_masked_address_p): Likewise. (rs6000_gen_lvx): Likewise. (rs6000_gen_stvx): Likewise. * config/rs6000/vsx.md (*vsx_le_perm_load_): For modes VSX_D (V2DF, V2DI), modify this split to select lvx instruction when memory address is aligned. (*vsx_le_perm_load_): For modes VSX_W (V4SF, V4SI), modify this split to select lvx instruction when memory address is aligned. (*vsx_le_perm_load_v8hi): Modify this split to select lvx instruction when memory address is aligned. (*vsx_le_perm_load_v16qi): Likewise. (four unnamed splitters): Modify to select the stvx instruction when memory is aligned. 2018-01-13 Jan Hubicka * predict.c (determine_unlikely_bbs): Handle correctly BBs which appears in the queue multiple times. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vec_lower_bound): New structure. (_loop_vec_info): Add check_nonzero and lower_bounds. (LOOP_VINFO_CHECK_NONZERO): New macro. (LOOP_VINFO_LOWER_BOUNDS): Likewise. (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Check lower_bounds too. * tree-data-ref.h (dr_with_seg_len): Add access_size and align fields. Make seg_len the distance travelled, not including the access size. (dr_direction_indicator): Declare. (dr_zero_step_indicator): Likewise. (dr_known_forward_stride_p): Likewise. * tree-data-ref.c: Include stringpool.h, tree-vrp.h and tree-ssanames.h. (runtime_alias_check_p): Allow runtime alias checks with variable strides. (operator ==): Compare access_size and align. (prune_runtime_alias_test_list): Rework for new distinction between the access_size and seg_len. (create_intersect_range_checks_index): Likewise. Cope with polynomial segment lengths. (get_segment_min_max): New function. (create_intersect_range_checks): Use it. (dr_step_indicator): New function. (dr_direction_indicator): Likewise. (dr_zero_step_indicator): Likewise. (dr_known_forward_stride_p): Likewise. * tree-loop-distribution.c (data_ref_segment_size): Return DR_STEP * (niters - 1). (compute_alias_check_pairs): Update call to the dr_with_seg_len constructor. * tree-vect-data-refs.c (vect_check_nonzero_value): New function. (vect_preserves_scalar_order_p): New function, split out from... (vect_analyze_data_ref_dependence): ...here. Check for zero steps. (vect_vfa_segment_size): Return DR_STEP * (length_factor - 1). (vect_vfa_access_size): New function. (vect_vfa_align): Likewise. (vect_compile_time_alias): Take access_size_a and access_b arguments. (dump_lower_bound): New function. (vect_check_lower_bound): Likewise. (vect_small_gap_p): Likewise. (vectorizable_with_step_bound_p): Likewise. (vect_prune_runtime_alias_test_list): Ignore cross-iteration depencies if the vectorization factor is 1. Convert the checks for nonzero steps into checks on the bounds of DR_STEP. Try using a bunds check for variable steps if the minimum required step is relatively small. Update calls to the dr_with_seg_len constructor and to vect_compile_time_alias. * tree-vect-loop-manip.c (vect_create_cond_for_lower_bounds): New function. (vect_loop_versioning): Call it. * tree-vect-loop.c (vect_analyze_loop_2): Clear LOOP_VINFO_LOWER_BOUNDS when retrying. (vect_estimate_min_profitable_iters): Account for any bounds checks. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/sourcebuild.texi (vect_scatter_store): Document. * optabs.def (scatter_store_optab, mask_scatter_store_optab): New optabs. * doc/md.texi (scatter_store@var{m}, mask_scatter_store@var{m}): Document. * genopinit.c (main): Add supports_vec_scatter_store and supports_vec_scatter_store_cached to target_optabs. * gimple.h (gimple_expr_type): Handle IFN_SCATTER_STORE and IFN_MASK_SCATTER_STORE. * internal-fn.def (SCATTER_STORE, MASK_SCATTER_STORE): New internal functions. * internal-fn.h (internal_store_fn_p): Declare. (internal_fn_stored_value_index): Likewise. * internal-fn.c (scatter_store_direct): New macro. (expand_scatter_store_optab_fn): New function. (direct_scatter_store_optab_supported_p): New macro. (internal_store_fn_p): New function. (internal_gather_scatter_fn_p): Handle IFN_SCATTER_STORE and IFN_MASK_SCATTER_STORE. (internal_fn_mask_index): Likewise. (internal_fn_stored_value_index): New function. (internal_gather_scatter_fn_supported_p): Adjust operand numbers for scatter stores. * optabs-query.h (supports_vec_scatter_store_p): Declare. * optabs-query.c (supports_vec_scatter_store_p): New function. * tree-vectorizer.h (vect_get_store_rhs): Declare. * tree-vect-data-refs.c (vect_analyze_data_ref_access): Return true for scatter stores. (vect_gather_scatter_fn_p): Handle scatter stores too. (vect_check_gather_scatter): Consider using scatter stores if supports_vec_scatter_store_p. * tree-vect-patterns.c (vect_try_gather_scatter_pattern): Handle scatter stores too. * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use internal_fn_stored_value_index. (check_load_store_masking): Handle scatter stores too. (vect_get_store_rhs): Make public. (vectorizable_call): Use internal_store_fn_p. (vectorizable_store): Handle scatter store internal functions. (vect_transform_stmt): Compare GROUP_STORE_COUNT with GROUP_SIZE when deciding whether the end of the group has been reached. * config/aarch64/aarch64.md (UNSPEC_ST1_SCATTER): New unspec. * config/aarch64/aarch64-sve.md (scatter_store): New expander. (mask_scatter_store): New insns. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_gather_scatter_fn_p): Declare. * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Make public. * tree-vect-stmts.c (vect_truncate_gather_scatter_offset): New function. (vect_use_strided_gather_scatters_p): Take a masked_p argument. Use vect_truncate_gather_scatter_offset if we can't treat the operation as a normal gather load or scatter store. (get_group_load_store_type): Take the gather_scatter_info as argument. Try using a gather load or scatter store for single-element groups. (get_load_store_type): Update calls to get_group_load_store_type and vect_use_strided_gather_scatters_p. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_create_data_ref_ptr): Take an extra optional tree argument. * tree-vect-data-refs.c (vect_check_gather_scatter): Check for null target hooks. (vect_create_data_ref_ptr): Take the iv_step as an optional argument, but continue to use the current value as a fallback. (bump_vector_ptr): Use operand_equal_p rather than tree_int_cst_compare to compare the updates. * tree-vect-stmts.c (vect_use_strided_gather_scatters_p): New function. (get_load_store_type): Use it when handling a strided access. (vect_get_strided_load_store_ops): New function. (vect_get_data_ptr_increment): Likewise. (vectorizable_load): Handle strided gather loads. Always pass a step to vect_create_data_ref_ptr and bump_vector_ptr. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (gather_load@var{m}): Document. (mask_gather_load@var{m}): Likewise. * genopinit.c (main): Add supports_vec_gather_load and supports_vec_gather_load_cached to target_optabs. * optabs-tree.c (init_tree_optimization_optabs): Use ggc_cleared_alloc to allocate target_optabs. * optabs.def (gather_load_optab, mask_gather_laod_optab): New optabs. * internal-fn.def (GATHER_LOAD, MASK_GATHER_LOAD): New internal functions. * internal-fn.h (internal_load_fn_p): Declare. (internal_gather_scatter_fn_p): Likewise. (internal_fn_mask_index): Likewise. (internal_gather_scatter_fn_supported_p): Likewise. * internal-fn.c (gather_load_direct): New macro. (expand_gather_load_optab_fn): New function. (direct_gather_load_optab_supported_p): New macro. (direct_internal_fn_optab): New function. (internal_load_fn_p): Likewise. (internal_gather_scatter_fn_p): Likewise. (internal_fn_mask_index): Likewise. (internal_gather_scatter_fn_supported_p): Likewise. * optabs-query.c (supports_at_least_one_mode_p): New function. (supports_vec_gather_load_p): Likewise. * optabs-query.h (supports_vec_gather_load_p): Declare. * tree-vectorizer.h (gather_scatter_info): Add ifn, element_type and memory_type field. (NUM_PATTERNS): Bump to 15. * tree-vect-data-refs.c: Include internal-fn.h. (vect_gather_scatter_fn_p): New function. (vect_describe_gather_scatter_call): Likewise. (vect_check_gather_scatter): Try using internal functions for gather loads. Recognize existing calls to a gather load function. (vect_analyze_data_refs): Consider using gather loads if supports_vec_gather_load_p. * tree-vect-patterns.c (vect_get_load_store_mask): New function. (vect_get_gather_scatter_offset_type): Likewise. (vect_convert_mask_for_vectype): Likewise. (vect_add_conversion_to_patterm): Likewise. (vect_try_gather_scatter_pattern): Likewise. (vect_recog_gather_scatter_pattern): New pattern recognizer. (vect_vect_recog_func_ptrs): Add it. * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Use internal_fn_mask_index and internal_gather_scatter_fn_p. (check_load_store_masking): Take the gather_scatter_info as an argument and handle gather loads. (vect_get_gather_scatter_ops): New function. (vectorizable_call): Check internal_load_fn_p. (vectorizable_load): Likewise. Handle gather load internal functions. (vectorizable_store): Update call to check_load_store_masking. * config/aarch64/aarch64.md (UNSPEC_LD1_GATHER): New unspec. * config/aarch64/iterators.md (SVE_S, SVE_D): New mode iterators. * config/aarch64/predicates.md (aarch64_gather_scale_operand_w) (aarch64_gather_scale_operand_d): New predicates. * config/aarch64/aarch64-sve.md (gather_load): New expander. (mask_gather_load): New insns. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * optabs.def (fold_left_plus_optab): New optab. * doc/md.texi (fold_left_plus_@var{m}): Document. * internal-fn.def (IFN_FOLD_LEFT_PLUS): New internal function. * internal-fn.c (fold_left_direct): Define. (expand_fold_left_optab_fn): Likewise. (direct_fold_left_optab_supported_p): Likewise. * fold-const-call.c (fold_const_fold_left): New function. (fold_const_call): Use it to fold CFN_FOLD_LEFT_PLUS. * tree-parloops.c (valid_reduction_p): New function. (gather_scalar_reductions): Use it. * tree-vectorizer.h (FOLD_LEFT_REDUCTION): New vect_reduction_type. (vect_finish_replace_stmt): Declare. * tree-vect-loop.c (fold_left_reduction_fn): New function. (needs_fold_left_reduction_p): New function, split out from... (vect_is_simple_reduction): ...here. Accept reductions that forbid reassociation, but give them type FOLD_LEFT_REDUCTION. (vect_force_simple_reduction): Also store the reduction type in the assignment's STMT_VINFO_REDUC_TYPE. (vect_model_reduction_cost): Handle FOLD_LEFT_REDUCTION. (merge_with_identity): New function. (vect_expand_fold_left): Likewise. (vectorize_fold_left_reduction): Likewise. (vectorizable_reduction): Handle FOLD_LEFT_REDUCTION. Leave the scalar phi in place for it. Check for target support and reject cases that would reassociate the operation. Defer the transform phase to vectorize_fold_left_reduction. * config/aarch64/aarch64.md (UNSPEC_FADDA): New unspec. * config/aarch64/aarch64-sve.md (fold_left_plus_): New expander. (*fold_left_plus_, *pred_fold_left_plus_): New insns. 2018-01-13 Richard Sandiford * tree-if-conv.c (predicate_mem_writes): Remove redundant call to ifc_temp_var. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * target.def (legitimize_address_displacement): Take the original offset as a poly_int. * targhooks.h (default_legitimize_address_displacement): Update accordingly. * targhooks.c (default_legitimize_address_displacement): Likewise. * doc/tm.texi: Regenerate. * lra-constraints.c (base_plus_disp_to_reg): Take the displacement as an argument, moving assert of ad->disp == ad->disp_term to... (process_address_1): ...here. Update calls to base_plus_disp_to_reg. Try calling targetm.legitimize_address_displacement before expanding the address rather than afterwards, and adjust for the new interface. * config/aarch64/aarch64.c (aarch64_legitimize_address_displacement): Match the new hook interface. Handle SVE addresses. * config/sh/sh.c (sh_legitimize_address_displacement): Make the new hook interface. 2018-01-13 Richard Sandiford * Makefile.in (OBJS): Add early-remat.o. * target.def (select_early_remat_modes): New hook. * doc/tm.texi.in (TARGET_SELECT_EARLY_REMAT_MODES): New hook. * doc/tm.texi: Regenerate. * targhooks.h (default_select_early_remat_modes): Declare. * targhooks.c (default_select_early_remat_modes): New function. * timevar.def (TV_EARLY_REMAT): New timevar. * passes.def (pass_early_remat): New pass. * tree-pass.h (make_pass_early_remat): Declare. * early-remat.c: New file. * config/aarch64/aarch64.c (aarch64_select_early_remat_modes): New function. (TARGET_SELECT_EARLY_REMAT_MODES): Define. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Replace vfm1 with a bound_epilog parameter. (vect_do_peeling): Update calls accordingly, and move the prologue call earlier in the function. Treat the base bound_epilog as 0 for fully-masked loops and retain vf - 1 for other loops. Add 1 to this base when peeling for gaps. * tree-vect-loop.c (vect_analyze_loop_2): Allow peeling for gaps with fully-masked loops. (vect_estimate_min_profitable_iters): Handle the single peeled iteration in that case. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_analyze_group_access_1): Allow single-element interleaving even if the size is not a power of 2. * tree-vect-stmts.c (get_load_store_type): Disallow elementwise accesses for single-element interleaving if the group size is not a power of 2. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (fold_extract_last_@var{m}): Document. * doc/sourcebuild.texi (vect_fold_extract_last): Likewise. * optabs.def (fold_extract_last_optab): New optab. * internal-fn.def (FOLD_EXTRACT_LAST): New internal function. * internal-fn.c (fold_extract_direct): New macro. (expand_fold_extract_optab_fn): Likewise. (direct_fold_extract_optab_supported_p): Likewise. * tree-vectorizer.h (EXTRACT_LAST_REDUCTION): New vect_reduction_type. * tree-vect-loop.c (vect_model_reduction_cost): Handle EXTRACT_LAST_REDUCTION. (get_initial_def_for_reduction): Do not create an initial vector for EXTRACT_LAST_REDUCTION reductions. (vectorizable_reduction): Leave the scalar phi in place for EXTRACT_LAST_REDUCTIONs. Try using EXTRACT_LAST_REDUCTION ahead of INTEGER_INDUC_COND_REDUCTION. Do not check for an epilogue code for EXTRACT_LAST_REDUCTION and defer the transform phase to vectorizable_condition. * tree-vect-stmts.c (vect_finish_stmt_generation_1): New function, split out from... (vect_finish_stmt_generation): ...here. (vect_finish_replace_stmt): New function. (vectorizable_condition): Handle EXTRACT_LAST_REDUCTION. * config/aarch64/aarch64-sve.md (fold_extract_last_): New pattern. * config/aarch64/aarch64.md (UNSPEC_CLASTB): New unspec. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (extract_last_@var{m}): Document. * optabs.def (extract_last_optab): New optab. * internal-fn.def (EXTRACT_LAST): New internal function. * internal-fn.c (cond_unary_direct): New macro. (expand_cond_unary_optab_fn): Likewise. (direct_cond_unary_optab_supported_p): Likewise. * tree-vect-loop.c (vectorizable_live_operation): Allow fully-masked loops using EXTRACT_LAST. * config/aarch64/aarch64-sve.md (aarch64_sve_lastb): Rename to... (extract_last_): ...this optab. (vec_extract): Update accordingly. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * target.def (empty_mask_is_expensive): New hook. * doc/tm.texi.in (TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): New hook. * doc/tm.texi: Regenerate. * targhooks.h (default_empty_mask_is_expensive): Declare. * targhooks.c (default_empty_mask_is_expensive): New function. * tree-vectorizer.c (vectorize_loops): Only call optimize_mask_stores if the target says that empty masks are expensive. * config/aarch64/aarch64.c (aarch64_empty_mask_is_expensive): New function. (TARGET_VECTORIZE_EMPTY_MASK_IS_EXPENSIVE): Redefine. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (_loop_vec_info::mask_skip_niters): New field. (LOOP_VINFO_MASK_SKIP_NITERS): New macro. (vect_use_loop_mask_for_alignment_p): New function. (vect_prepare_for_masked_peels, vect_gen_while_not): Declare. * tree-vect-loop-manip.c (vect_set_loop_masks_directly): Add an niters_skip argument. Make sure that the first niters_skip elements of the first iteration are inactive. (vect_set_loop_condition_masked): Handle LOOP_VINFO_MASK_SKIP_NITERS. Update call to vect_set_loop_masks_directly. (get_misalign_in_elems): New function, split out from... (vect_gen_prolog_loop_niters): ...here. (vect_update_init_of_dr): Take a code argument that specifies whether the adjustment should be added or subtracted. (vect_update_init_of_drs): Likewise. (vect_prepare_for_masked_peels): New function. (vect_do_peeling): Skip prologue peeling if we're using a mask instead. Update call to vect_update_inits_of_drs. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize mask_skip_niters. (vect_analyze_loop_2): Allow fully-masked loops with peeling for alignment. Do not include the number of peeled iterations in the minimum threshold in that case. (vectorizable_induction): Adjust the start value down by LOOP_VINFO_MASK_SKIP_NITERS iterations. (vect_transform_loop): Call vect_prepare_for_masked_peels. Take the number of skipped iterations into account when calculating the loop bounds. * tree-vect-stmts.c (vect_gen_while_not): New function. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/sourcebuild.texi (vect_fully_masked): Document. * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change minimum and default value to 0. * tree-vect-loop.c (vect_analyze_loop_costing): New function, split out from... (vect_analyze_loop_2): ...here. Don't check the vectorization factor against the number of loop iterations if the loop is fully-masked. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-ssa-loop-ivopts.c (USE_ADDRESS): Split into... (USE_REF_ADDRESS, USE_PTR_ADDRESS): ...these new use types. (dump_groups): Update accordingly. (iv_use::mem_type): New member variable. (address_p): New function. (record_use): Add a mem_type argument and initialize the new mem_type field. (record_group_use): Add a mem_type argument. Use address_p. Remove obsolete null checks of base_object. Update call to record_use. (find_interesting_uses_op): Update call to record_group_use. (find_interesting_uses_cond): Likewise. (find_interesting_uses_address): Likewise. (get_mem_type_for_internal_fn): New function. (find_address_like_use): Likewise. (find_interesting_uses_stmt): Try find_address_like_use before calling find_interesting_uses_op. (addr_offset_valid_p): Use the iv mem_type field as the type of the addressed memory. (add_autoinc_candidates): Likewise. (get_address_cost): Likewise. (split_small_address_groups_p): Use address_p. (split_address_groups): Likewise. (add_iv_candidate_for_use): Likewise. (autoinc_possible_for_pair): Likewise. (rewrite_groups): Likewise. (get_use_type): Check for USE_REF_ADDRESS instead of USE_ADDRESS. (determine_group_iv_cost): Update after split of USE_ADDRESS. (get_alias_ptr_type_for_ptr_address): New function. (rewrite_use_address): Rewrite address uses in calls that were identified by find_address_like_use. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_addr_expr_1): Handle ADDR_EXPRs of TARGET_MEM_REFs. * gimple-expr.h (is_gimple_addressable: Likewise. * gimple-expr.c (is_gimple_address): Likewise. * internal-fn.c (expand_call_mem_ref): New function. (expand_mask_load_optab_fn): Use it. (expand_mask_store_optab_fn): Likewise. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (cond_add@var{mode}, cond_sub@var{mode}) (cond_and@var{mode}, cond_ior@var{mode}, cond_xor@var{mode}) (cond_smin@var{mode}, cond_smax@var{mode}, cond_umin@var{mode}) (cond_umax@var{mode}): Document. * optabs.def (cond_add_optab, cond_sub_optab, cond_and_optab) (cond_ior_optab, cond_xor_optab, cond_smin_optab, cond_smax_optab) (cond_umin_optab, cond_umax_optab): New optabs. * internal-fn.def (COND_ADD, COND_SUB, COND_MIN, COND_MAX, COND_AND) (COND_IOR, COND_XOR): New internal functions. * internal-fn.h (get_conditional_internal_fn): Declare. * internal-fn.c (cond_binary_direct): New macro. (expand_cond_binary_optab_fn): Likewise. (direct_cond_binary_optab_supported_p): Likewise. (get_conditional_internal_fn): New function. * tree-vect-loop.c (vectorizable_reduction): Handle fully-masked loops. Cope with reduction statements that are vectorized as calls rather than assignments. * config/aarch64/aarch64-sve.md (cond_): New insns. * config/aarch64/iterators.md (UNSPEC_COND_ADD, UNSPEC_COND_SUB) (UNSPEC_COND_SMAX, UNSPEC_COND_UMAX, UNSPEC_COND_SMIN) (UNSPEC_COND_UMIN, UNSPEC_COND_AND, UNSPEC_COND_ORR) (UNSPEC_COND_EOR): New unspecs. (optab): Add mappings for them. (SVE_COND_INT_OP, SVE_COND_FP_OP): New int iterators. (sve_int_op, sve_fp_op): New int attributes. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * optabs.def (while_ult_optab): New optab. * doc/md.texi (while_ult@var{m}@var{n}): Document. * internal-fn.def (WHILE_ULT): New internal function. * internal-fn.h (direct_internal_fn_supported_p): New override that takes two types as argument. * internal-fn.c (while_direct): New macro. (expand_while_optab_fn): New function. (convert_optab_supported_p): Likewise. (direct_while_optab_supported_p): New macro. * wide-int.h (wi::udiv_ceil): New function. * tree-vectorizer.h (rgroup_masks): New structure. (vec_loop_masks): New typedef. (_loop_vec_info): Add masks, mask_compare_type, can_fully_mask_p and fully_masked_p. (LOOP_VINFO_CAN_FULLY_MASK_P, LOOP_VINFO_FULLY_MASKED_P) (LOOP_VINFO_MASKS, LOOP_VINFO_MASK_COMPARE_TYPE): New macros. (vect_max_vf): New function. (slpeel_make_loop_iterate_ntimes): Delete. (vect_set_loop_condition, vect_get_loop_mask_type, vect_gen_while) (vect_halve_mask_nunits, vect_double_mask_nunits): Declare. (vect_record_loop_mask, vect_get_loop_mask): Likewise. * tree-vect-loop-manip.c: Include tree-ssa-loop-niter.h, internal-fn.h, stor-layout.h and optabs-query.h. (vect_set_loop_mask): New function. (add_preheader_seq): Likewise. (add_header_seq): Likewise. (interleave_supported_p): Likewise. (vect_maybe_permute_loop_masks): Likewise. (vect_set_loop_masks_directly): Likewise. (vect_set_loop_condition_masked): Likewise. (vect_set_loop_condition_unmasked): New function, split out from slpeel_make_loop_iterate_ntimes. (slpeel_make_loop_iterate_ntimes): Rename to.. (vect_set_loop_condition): ...this. Use vect_set_loop_condition_masked for fully-masked loops and vect_set_loop_condition_unmasked otherwise. (vect_do_peeling): Update call accordingly. (vect_gen_vector_loop_niters): Use VF as the step for fully-masked loops. * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize mask_compare_type, can_fully_mask_p and fully_masked_p. (release_vec_loop_masks): New function. (_loop_vec_info): Use it to free the loop masks. (can_produce_all_loop_masks_p): New function. (vect_get_max_nscalars_per_iter): Likewise. (vect_verify_full_masking): Likewise. (vect_analyze_loop_2): Save LOOP_VINFO_CAN_FULLY_MASK_P around retries, and free the mask rgroups before retrying. Check loop-wide reasons for disallowing fully-masked loops. Make the final decision about whether use a fully-masked loop or not. (vect_estimate_min_profitable_iters): Do not assume that peeling for the number of iterations will be needed for fully-masked loops. (vectorizable_reduction): Disable fully-masked loops. (vectorizable_live_operation): Likewise. (vect_halve_mask_nunits): New function. (vect_double_mask_nunits): Likewise. (vect_record_loop_mask): Likewise. (vect_get_loop_mask): Likewise. (vect_transform_loop): Handle the case in which the final loop iteration might handle a partial vector. Call vect_set_loop_condition instead of slpeel_make_loop_iterate_ntimes. * tree-vect-stmts.c: Include tree-ssa-loop-niter.h and gimple-fold.h. (check_load_store_masking): New function. (prepare_load_store_mask): Likewise. (vectorizable_store): Handle fully-masked loops. (vectorizable_load): Likewise. (supportable_widening_operation): Use vect_halve_mask_nunits for booleans. (supportable_narrowing_operation): Likewise vect_double_mask_nunits. (vect_gen_while): New function. * config/aarch64/aarch64.md (umax3): New expander. (aarch64_uqdec): New insn. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * optabs.def (reduc_and_scal_optab, reduc_ior_scal_optab) (reduc_xor_scal_optab): New optabs. * doc/md.texi (reduc_and_scal_@var{m}, reduc_ior_scal_@var{m}) (reduc_xor_scal_@var{m}): Document. * doc/sourcebuild.texi (vect_logical_reduc): Likewise. * internal-fn.def (IFN_REDUC_AND, IFN_REDUC_IOR, IFN_REDUC_XOR): New internal functions. * fold-const-call.c (fold_const_call): Handle them. * tree-vect-loop.c (reduction_fn_for_scalar_code): Return the new internal functions for BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR. * config/aarch64/aarch64-sve.md (reduc__scal_): (*reduc__scal_): New patterns. * config/aarch64/iterators.md (UNSPEC_ANDV, UNSPEC_ORV) (UNSPEC_XORV): New unspecs. (optab): Add entries for them. (BITWISEV): New int iterator. (bit_reduc_op): New int attributes. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (vec_shl_insert_@var{m}): New optab. * internal-fn.def (VEC_SHL_INSERT): New internal function. * optabs.def (vec_shl_insert_optab): New optab. * tree-vectorizer.h (can_duplicate_and_interleave_p): Declare. (duplicate_and_interleave): Likewise. * tree-vect-loop.c: Include internal-fn.h. (neutral_op_for_slp_reduction): New function, split out from get_initial_defs_for_reduction. (get_initial_def_for_reduction): Handle option 2 for variable-length vectors by loading the neutral value into a vector and then shifting the initial value into element 0. (get_initial_defs_for_reduction): Replace the code argument with the neutral value calculated by neutral_op_for_slp_reduction. Use gimple_build_vector for constant-length vectors. Use IFN_VEC_SHL_INSERT for variable-length vectors if all but the first group_size elements have a neutral value. Use duplicate_and_interleave otherwise. (vect_create_epilog_for_reduction): Take a neutral_op parameter. Update call to get_initial_defs_for_reduction. Handle SLP reductions for variable-length vectors by creating one vector result for each scalar result, with the elements associated with other scalar results stubbed out with the neutral value. (vectorizable_reduction): Call neutral_op_for_slp_reduction. Require IFN_VEC_SHL_INSERT for double reductions on variable-length vectors, or SLP reductions that have a neutral value. Require can_duplicate_and_interleave_p support for variable-length unchained SLP reductions if there is no neutral value, such as for MIN/MAX reductions. Also require the number of vector elements to be a multiple of the number of SLP statements when doing variable-length unchained SLP reductions. Update call to vect_create_epilog_for_reduction. * tree-vect-slp.c (can_duplicate_and_interleave_p): Make public and remove initial values. (duplicate_and_interleave): Make public. * config/aarch64/aarch64.md (UNSPEC_INSR): New unspec. * config/aarch64/aarch64-sve.md (vec_shl_insert_): New insn. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c: Include gimple-fold.h and internal-fn.h (can_duplicate_and_interleave_p): New function. (vect_get_and_check_slp_defs): Take the vector of statements rather than just the current one. Remove excess parentheses. Restriction rejectinon of vect_constant_def and vect_external_def for variable-length vectors to boolean types, or types for which can_duplicate_and_interleave_p is false. (vect_build_slp_tree_2): Update call to vect_get_and_check_slp_defs. (duplicate_and_interleave): New function. (vect_get_constant_vectors): Use gimple_build_vector for constant-length vectors and suitable variable-length constant vectors. Use duplicate_and_interleave for other variable-length vectors. Don't defer the update when inserting new statements. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vect_estimate_min_profitable_iters): Make sure min_profitable_iters doesn't go negative. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/md.texi (vec_mask_load_lanes@var{m}@var{n}): Document. (vec_mask_store_lanes@var{m}@var{n}): Likewise. * optabs.def (vec_mask_load_lanes_optab): New optab. (vec_mask_store_lanes_optab): Likewise. * internal-fn.def (MASK_LOAD_LANES): New internal function. (MASK_STORE_LANES): Likewise. * internal-fn.c (mask_load_lanes_direct): New macro. (mask_store_lanes_direct): Likewise. (expand_mask_load_optab_fn): Handle masked operations. (expand_mask_load_lanes_optab_fn): New macro. (expand_mask_store_optab_fn): Handle masked operations. (expand_mask_store_lanes_optab_fn): New macro. (direct_mask_load_lanes_optab_supported_p): Likewise. (direct_mask_store_lanes_optab_supported_p): Likewise. * tree-vectorizer.h (vect_store_lanes_supported): Take a masked_p parameter. (vect_load_lanes_supported): Likewise. * tree-vect-data-refs.c (strip_conversion): New function. (can_group_stmts_p): Likewise. (vect_analyze_data_ref_accesses): Use it instead of checking for a pair of assignments. (vect_store_lanes_supported): Take a masked_p parameter. (vect_load_lanes_supported): Likewise. * tree-vect-loop.c (vect_analyze_loop_2): Update calls to vect_store_lanes_supported and vect_load_lanes_supported. * tree-vect-slp.c (vect_analyze_slp_instance): Likewise. * tree-vect-stmts.c (get_group_load_store_type): Take a masked_p parameter. Don't allow gaps for masked accesses. Use vect_get_store_rhs. Update calls to vect_store_lanes_supported and vect_load_lanes_supported. (get_load_store_type): Take a masked_p parameter and update call to get_group_load_store_type. (vectorizable_store): Update call to get_load_store_type. Handle IFN_MASK_STORE_LANES. (vectorizable_load): Update call to get_load_store_type. Handle IFN_MASK_LOAD_LANES. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-modes.def: Define x2, x3 and x4 vector modes for SVE. * config/aarch64/aarch64-protos.h (aarch64_sve_struct_memory_operand_p): Declare. * config/aarch64/iterators.md (SVE_STRUCT): New mode iterator. (vector_count, insn_length, VSINGLE, vsingle): New mode attributes. (VPRED, vpred): Handle SVE structure modes. * config/aarch64/constraints.md (Utx): New constraint. * config/aarch64/predicates.md (aarch64_sve_struct_memory_operand) (aarch64_sve_struct_nonimmediate_operand): New predicates. * config/aarch64/aarch64.md (UNSPEC_LDN, UNSPEC_STN): New unspecs. * config/aarch64/aarch64-sve.md (mov, *aarch64_sve_mov_le) (*aarch64_sve_mov_be, pred_mov): New patterns for structure modes. Split into pieces after RA. (vec_load_lanes, vec_mask_load_lanes) (vec_store_lanes, vec_mask_store_lanes): New patterns. * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle SVE structure modes. (aarch64_classify_address): Likewise. (sizetochar): Move earlier in file. (aarch64_print_operand): Handle SVE register lists. (aarch64_array_mode): New function. (aarch64_sve_struct_memory_operand_p): Likewise. (TARGET_ARRAY_MODE): Redefine. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * target.def (array_mode): New target hook. * doc/tm.texi.in (TARGET_ARRAY_MODE): New hook. * doc/tm.texi: Regenerate. * hooks.h (hook_optmode_mode_uhwi_none): Declare. * hooks.c (hook_optmode_mode_uhwi_none): New function. * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Use targetm.array_mode. * stor-layout.c (mode_for_array): Likewise. Support polynomial type sizes. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * fold-const.c (fold_binary_loc): Check the argument types rather than the result type when testing for a vector operation. 2018-01-13 Richard Sandiford * doc/tm.texi.in (DWARF_LAZY_REGISTER_VALUE): Document. * doc/tm.texi: Regenerate. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * doc/invoke.texi (-msve-vector-bits=): Document new option. (sve): Document new AArch64 extension. * doc/md.texi (w): Extend the description of the AArch64 constraint to include SVE vectors. (Upl, Upa): Document new AArch64 predicate constraints. * config/aarch64/aarch64-opts.h (aarch64_sve_vector_bits_enum): New enum. * config/aarch64/aarch64.opt (sve_vector_bits): New enum. (msve-vector-bits=): New option. * config/aarch64/aarch64-option-extensions.def (fp, simd): Disable SVE when these are disabled. (sve): New extension. * config/aarch64/aarch64-modes.def: Define SVE vector and predicate modes. Adjust their number of units based on aarch64_sve_vg. (MAX_BITSIZE_MODE_ANY_MODE): Define. * config/aarch64/aarch64-protos.h (ADDR_QUERY_ANY): New aarch64_addr_query_type. (aarch64_const_vec_all_same_in_range_p, aarch64_sve_pred_mode) (aarch64_sve_cnt_immediate_p, aarch64_sve_addvl_addpl_immediate_p) (aarch64_sve_inc_dec_immediate_p, aarch64_add_offset_temporaries) (aarch64_split_add_offset, aarch64_output_sve_cnt_immediate) (aarch64_output_sve_addvl_addpl, aarch64_output_sve_inc_dec_immediate) (aarch64_output_sve_mov_immediate, aarch64_output_ptrue): Declare. (aarch64_simd_imm_zero_p): Delete. (aarch64_check_zero_based_sve_index_immediate): Declare. (aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p) (aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p) (aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p) (aarch64_sve_float_mul_immediate_p): Likewise. (aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT rather than an rtx. (aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): Declare. (aarch64_expand_mov_immediate): Take a gen_vec_duplicate callback. (aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move): Declare. (aarch64_expand_sve_vec_cmp_int, aarch64_expand_sve_vec_cmp_float) (aarch64_expand_sve_vcond, aarch64_expand_sve_vec_perm): Declare. (aarch64_regmode_natural_size): Likewise. * config/aarch64/aarch64.h (AARCH64_FL_SVE): New macro. (AARCH64_FL_V8_3, AARCH64_FL_RCPC, AARCH64_FL_DOTPROD): Shift left one place. (AARCH64_ISA_SVE, TARGET_SVE): New macros. (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add entries for VG and the SVE predicate registers. (V_ALIASES): Add a "z"-prefixed alias. (FIRST_PSEUDO_REGISTER): Change to P15_REGNUM + 1. (AARCH64_DWARF_VG, AARCH64_DWARF_P0): New macros. (PR_REGNUM_P, PR_LO_REGNUM_P): Likewise. (PR_LO_REGS, PR_HI_REGS, PR_REGS): New reg_classes. (REG_CLASS_NAMES): Add entries for them. (REG_CLASS_CONTENTS): Likewise. Update ALL_REGS to include VG and the predicate registers. (aarch64_sve_vg): Declare. (BITS_PER_SVE_VECTOR, BYTES_PER_SVE_VECTOR, BYTES_PER_SVE_PRED) (SVE_BYTE_MODE, MAX_COMPILE_TIME_VEC_BYTES): New macros. (REGMODE_NATURAL_SIZE): Define. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle SVE macros. * config/aarch64/aarch64.c: Include cfgrtl.h. (simd_immediate_info): Add a constructor for series vectors, and an associated step field. (aarch64_sve_vg): New variable. (aarch64_dbx_register_number): Handle VG and the predicate registers. (aarch64_vect_struct_mode_p, aarch64_vector_mode_p): Delete. (VEC_ADVSIMD, VEC_SVE_DATA, VEC_SVE_PRED, VEC_STRUCT, VEC_ANY_SVE) (VEC_ANY_DATA, VEC_STRUCT): New constants. (aarch64_advsimd_struct_mode_p, aarch64_sve_pred_mode_p) (aarch64_classify_vector_mode, aarch64_vector_data_mode_p) (aarch64_sve_data_mode_p, aarch64_sve_pred_mode) (aarch64_get_mask_mode): New functions. (aarch64_hard_regno_nregs): Handle SVE data modes for FP_REGS and FP_LO_REGS. Handle PR_REGS, PR_LO_REGS and PR_HI_REGS. (aarch64_hard_regno_mode_ok): Handle VG. Also handle the SVE predicate modes and predicate registers. Explicitly restrict GPRs to modes of 16 bytes or smaller. Only allow FP registers to store a vector mode if it is recognized by aarch64_classify_vector_mode. (aarch64_regmode_natural_size): New function. (aarch64_hard_regno_caller_save_mode): Return the original mode for predicates. (aarch64_sve_cnt_immediate_p, aarch64_output_sve_cnt_immediate) (aarch64_sve_addvl_addpl_immediate_p, aarch64_output_sve_addvl_addpl) (aarch64_sve_inc_dec_immediate_p, aarch64_output_sve_inc_dec_immediate) (aarch64_add_offset_1_temporaries, aarch64_offset_temporaries): New functions. (aarch64_add_offset): Add a temp2 parameter. Assert that temp1 does not overlap dest if the function is frame-related. Handle SVE constants. (aarch64_split_add_offset): New function. (aarch64_add_sp, aarch64_sub_sp): Add temp2 parameters and pass them aarch64_add_offset. (aarch64_allocate_and_probe_stack_space): Add a temp2 parameter and update call to aarch64_sub_sp. (aarch64_add_cfa_expression): New function. (aarch64_expand_prologue): Pass extra temporary registers to the functions above. Handle the case in which we need to emit new DW_CFA_expressions for registers that were originally saved relative to the stack pointer, but now have to be expressed relative to the frame pointer. (aarch64_output_mi_thunk): Pass extra temporary registers to the functions above. (aarch64_expand_epilogue): Likewise. Prevent inheritance of IP0 and IP1 values for SVE frames. (aarch64_expand_vec_series): New function. (aarch64_expand_sve_widened_duplicate): Likewise. (aarch64_expand_sve_const_vector): Likewise. (aarch64_expand_mov_immediate): Add a gen_vec_duplicate parameter. Handle SVE constants. Use emit_move_insn to move a force_const_mem into the register, rather than emitting a SET directly. (aarch64_emit_sve_pred_move, aarch64_expand_sve_mem_move) (aarch64_get_reg_raw_mode, offset_4bit_signed_scaled_p) (offset_6bit_unsigned_scaled_p, aarch64_offset_7bit_signed_scaled_p) (offset_9bit_signed_scaled_p): New functions. (aarch64_replicate_bitmask_imm): New function. (aarch64_bitmask_imm): Use it. (aarch64_cannot_force_const_mem): Reject expressions involving a CONST_POLY_INT. Update call to aarch64_classify_symbol. (aarch64_classify_index): Handle SVE indices, by requiring a plain register index with a scale that matches the element size. (aarch64_classify_address): Handle SVE addresses. Assert that the mode of the address is VOIDmode or an integer mode. Update call to aarch64_classify_symbol. (aarch64_classify_symbolic_expression): Update call to aarch64_classify_symbol. (aarch64_const_vec_all_in_range_p): New function. (aarch64_print_vector_float_operand): Likewise. (aarch64_print_operand): Handle 'N' and 'C'. Use "zN" rather than "vN" for FP registers with SVE modes. Handle (const ...) vectors and the FP immediates 1.0 and 0.5. (aarch64_print_address_internal): Handle SVE addresses. (aarch64_print_operand_address): Use ADDR_QUERY_ANY. (aarch64_regno_regclass): Handle predicate registers. (aarch64_secondary_reload): Handle big-endian reloads of SVE data modes. (aarch64_class_max_nregs): Handle SVE modes and predicate registers. (aarch64_rtx_costs): Check for ADDVL and ADDPL instructions. (aarch64_convert_sve_vector_bits): New function. (aarch64_override_options): Use it to handle -msve-vector-bits=. (aarch64_classify_symbol): Take the offset as a HOST_WIDE_INT rather than an rtx. (aarch64_legitimate_constant_p): Use aarch64_classify_vector_mode. Handle SVE vector and predicate modes. Accept VL-based constants that need only one temporary register, and VL offsets that require no temporary registers. (aarch64_conditional_register_usage): Mark the predicate registers as fixed if SVE isn't available. (aarch64_vector_mode_supported_p): Use aarch64_classify_vector_mode. Return true for SVE vector and predicate modes. (aarch64_simd_container_mode): Take the number of bits as a poly_int64 rather than an unsigned int. Handle SVE modes. (aarch64_preferred_simd_mode): Update call accordingly. Handle SVE modes. (aarch64_autovectorize_vector_sizes): Add BYTES_PER_SVE_VECTOR if SVE is enabled. (aarch64_sve_index_immediate_p, aarch64_sve_arith_immediate_p) (aarch64_sve_bitmask_immediate_p, aarch64_sve_dup_immediate_p) (aarch64_sve_cmp_immediate_p, aarch64_sve_float_arith_immediate_p) (aarch64_sve_float_mul_immediate_p): New functions. (aarch64_sve_valid_immediate): New function. (aarch64_simd_valid_immediate): Use it as the fallback for SVE vectors. Explicitly reject structure modes. Check for INDEX constants. Handle PTRUE and PFALSE constants. (aarch64_check_zero_based_sve_index_immediate): New function. (aarch64_simd_imm_zero_p): Delete. (aarch64_mov_operand_p): Use aarch64_simd_valid_immediate for vector modes. Accept constants in the range of CNT[BHWD]. (aarch64_simd_scalar_immediate_valid_for_move): Explicitly ask for an Advanced SIMD mode. (aarch64_sve_ld1r_operand_p, aarch64_sve_ldr_operand_p): New functions. (aarch64_simd_vector_alignment): Handle SVE predicates. (aarch64_vectorize_preferred_vector_alignment): New function. (aarch64_simd_vector_alignment_reachable): Use it instead of the vector size. (aarch64_shift_truncation_mask): Use aarch64_vector_data_mode_p. (aarch64_output_sve_mov_immediate, aarch64_output_ptrue): New functions. (MAX_VECT_LEN): Delete. (expand_vec_perm_d): Add a vec_flags field. (emit_unspec2, aarch64_expand_sve_vec_perm): New functions. (aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip) (aarch64_evpc_ext): Don't apply a big-endian lane correction for SVE modes. (aarch64_evpc_rev): Rename to... (aarch64_evpc_rev_local): ...this. Use a predicated operation for SVE. (aarch64_evpc_rev_global): New function. (aarch64_evpc_dup): Enforce a 64-byte range for SVE DUP. (aarch64_evpc_tbl): Use MAX_COMPILE_TIME_VEC_BYTES instead of MAX_VECT_LEN. (aarch64_evpc_sve_tbl): New function. (aarch64_expand_vec_perm_const_1): Update after rename of aarch64_evpc_rev. Handle SVE permutes too, trying aarch64_evpc_rev_global and using aarch64_evpc_sve_tbl rather than aarch64_evpc_tbl. (aarch64_vectorize_vec_perm_const): Initialize vec_flags. (aarch64_sve_cmp_operand_p, aarch64_unspec_cond_code) (aarch64_gen_unspec_cond, aarch64_expand_sve_vec_cmp_int) (aarch64_emit_unspec_cond, aarch64_emit_unspec_cond_or) (aarch64_emit_inverted_unspec_cond, aarch64_expand_sve_vec_cmp_float) (aarch64_expand_sve_vcond): New functions. (aarch64_modes_tieable_p): Use aarch64_vector_data_mode_p instead of aarch64_vector_mode_p. (aarch64_dwarf_poly_indeterminate_value): New function. (aarch64_compute_pressure_classes): Likewise. (aarch64_can_change_mode_class): Likewise. (TARGET_GET_RAW_RESULT_MODE, TARGET_GET_RAW_ARG_MODE): Redefine. (TARGET_VECTORIZE_PREFERRED_VECTOR_ALIGNMENT): Likewise. (TARGET_VECTORIZE_GET_MASK_MODE): Likewise. (TARGET_DWARF_POLY_INDETERMINATE_VALUE): Likewise. (TARGET_COMPUTE_PRESSURE_CLASSES): Likewise. (TARGET_CAN_CHANGE_MODE_CLASS): Likewise. * config/aarch64/constraints.md (Upa, Upl, Uav, Uat, Usv, Usi, Utr) (Uty, Dm, vsa, vsc, vsd, vsi, vsn, vsl, vsm, vsA, vsM, vsN): New constraints. (Dn, Dl, Dr): Accept const as well as const_vector. (Dz): Likewise. Compare against CONST0_RTX. * config/aarch64/iterators.md: Refer to "Advanced SIMD" instead of "vector" where appropriate. (SVE_ALL, SVE_BH, SVE_BHS, SVE_BHSI, SVE_HSDI, SVE_HSF, SVE_SD) (SVE_SDI, SVE_I, SVE_F, PRED_ALL, PRED_BHS): New mode iterators. (UNSPEC_SEL, UNSPEC_ANDF, UNSPEC_IORF, UNSPEC_XORF, UNSPEC_COND_LT) (UNSPEC_COND_LE, UNSPEC_COND_EQ, UNSPEC_COND_NE, UNSPEC_COND_GE) (UNSPEC_COND_GT, UNSPEC_COND_LO, UNSPEC_COND_LS, UNSPEC_COND_HS) (UNSPEC_COND_HI, UNSPEC_COND_UO): New unspecs. (Vetype, VEL, Vel, VWIDE, Vwide, vw, vwcore, V_INT_EQUIV) (v_int_equiv): Extend to SVE modes. (Vesize, V128, v128, Vewtype, V_FP_EQUIV, v_fp_equiv, VPRED): New mode attributes. (LOGICAL_OR, SVE_INT_UNARY, SVE_FP_UNARY): New code iterators. (optab): Handle popcount, smin, smax, umin, umax, abs and sqrt. (logical_nn, lr, sve_int_op, sve_fp_op): New code attributs. (LOGICALF, OPTAB_PERMUTE, UNPACK, UNPACK_UNSIGNED, SVE_COND_INT_CMP) (SVE_COND_FP_CMP): New int iterators. (perm_hilo): Handle the new unpack unspecs. (optab, logicalf_op, su, perm_optab, cmp_op, imm_con): New int attributes. * config/aarch64/predicates.md (aarch64_sve_cnt_immediate) (aarch64_sve_addvl_addpl_immediate, aarch64_split_add_offset_immediate) (aarch64_pluslong_or_poly_operand, aarch64_nonmemory_operand) (aarch64_equality_operator, aarch64_constant_vector_operand) (aarch64_sve_ld1r_operand, aarch64_sve_ldr_operand): New predicates. (aarch64_sve_nonimmediate_operand): Likewise. (aarch64_sve_general_operand): Likewise. (aarch64_sve_dup_operand, aarch64_sve_arith_immediate): Likewise. (aarch64_sve_sub_arith_immediate, aarch64_sve_inc_dec_immediate) (aarch64_sve_logical_immediate, aarch64_sve_mul_immediate): Likewise. (aarch64_sve_dup_immediate, aarch64_sve_cmp_vsc_immediate): Likewise. (aarch64_sve_cmp_vsd_immediate, aarch64_sve_index_immediate): Likewise. (aarch64_sve_float_arith_immediate): Likewise. (aarch64_sve_float_arith_with_sub_immediate): Likewise. (aarch64_sve_float_mul_immediate, aarch64_sve_arith_operand): Likewise. (aarch64_sve_add_operand, aarch64_sve_logical_operand): Likewise. (aarch64_sve_lshift_operand, aarch64_sve_rshift_operand): Likewise. (aarch64_sve_mul_operand, aarch64_sve_cmp_vsc_operand): Likewise. (aarch64_sve_cmp_vsd_operand, aarch64_sve_index_operand): Likewise. (aarch64_sve_float_arith_operand): Likewise. (aarch64_sve_float_arith_with_sub_operand): Likewise. (aarch64_sve_float_mul_operand): Likewise. (aarch64_sve_vec_perm_operand): Likewise. (aarch64_pluslong_operand): Include aarch64_sve_addvl_addpl_immediate. (aarch64_mov_operand): Accept const_poly_int and const_vector. (aarch64_simd_lshift_imm, aarch64_simd_rshift_imm): Accept const as well as const_vector. (aarch64_simd_imm_zero, aarch64_simd_imm_minus_one): Move earlier in file. Use CONST0_RTX and CONSTM1_RTX. (aarch64_simd_or_scalar_imm_zero): Likewise. Add match_codes. (aarch64_simd_reg_or_zero): Accept const as well as const_vector. Use aarch64_simd_imm_zero. * config/aarch64/aarch64-sve.md: New file. * config/aarch64/aarch64.md: Include it. (VG_REGNUM, P0_REGNUM, P7_REGNUM, P15_REGNUM): New register numbers. (UNSPEC_REV, UNSPEC_LD1_SVE, UNSPEC_ST1_SVE, UNSPEC_MERGE_PTRUE) (UNSPEC_PTEST_PTRUE, UNSPEC_UNPACKSHI, UNSPEC_UNPACKUHI) (UNSPEC_UNPACKSLO, UNSPEC_UNPACKULO, UNSPEC_PACK) (UNSPEC_FLOAT_CONVERT, UNSPEC_WHILE_LO): New unspec constants. (sve): New attribute. (enabled): Disable instructions with the sve attribute unless TARGET_SVE. (movqi, movhi): Pass CONST_POLY_INT operaneds through aarch64_expand_mov_immediate. (*mov_aarch64, *movsi_aarch64, *movdi_aarch64): Handle CNT[BHSD] immediates. (movti): Split CONST_POLY_INT moves into two halves. (add3): Accept aarch64_pluslong_or_poly_operand. Split additions that need a temporary here if the destination is the stack pointer. (*add3_aarch64): Handle ADDVL and ADDPL immediates. (*add3_poly_1): New instruction. (set_clobber_cc): New expander. 2018-01-13 Richard Sandiford * simplify-rtx.c (simplify_immed_subreg): Add an inner_bytes parameter and use it instead of GET_MODE_SIZE (innermode). Use inner_bytes * BITS_PER_UNIT instead of GET_MODE_BITSIZE (innermode). Use CEIL (inner_bytes, GET_MODE_UNIT_SIZE (innermode)) instead of GET_MODE_NUNITS (innermode). Also add a first_elem parameter. Change innermode from fixed_mode_size to machine_mode. (simplify_subreg): Update call accordingly. Handle a constant-sized subreg of a variable-length CONST_VECTOR. 2018-01-13 Richard Sandiford Alan Hayward David Sherwood * tree-ssa-address.c (mem_ref_valid_without_offset_p): New function. (add_offset_to_base): New function, split out from... (create_mem_ref): ...here. When handling a scale other than 1, check first whether the address is valid without the offset. Add it into the base if so, leaving the index and scale as-is. 2018-01-12 Jakub Jelinek PR c++/83778 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Call fold_for_warn before checking if arg2 is INTEGER_CST. 2018-01-12 Segher Boessenkool * config/rs6000/predicates.md (load_multiple_operation): Delete. (store_multiple_operation): Delete. * config/rs6000/rs6000-cpus.def (601): Remove MASK_STRING. * config/rs6000/rs6000-protos.h (rs6000_output_load_multiple): Delete. * config/rs6000/rs6000-string.c (expand_block_move): Delete everything guarded by TARGET_STRING. (rs6000_output_load_multiple): Delete. * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete OPTION_MASK_STRING / TARGET_STRING handling. (print_operand) <'N', 'O'>: Add comment that these are unused now. (const rs6000_opt_masks) <"string">: Change mask to 0. * config/rs6000/rs6000.h (TARGET_DEFAULT): Remove MASK_STRING. (MASK_STRING): Delete. * config/rs6000/rs6000.md (*mov_string): Delete TARGET_STRING parts. Simplify. (load_multiple): Delete. (*ldmsi8): Delete. (*ldmsi7): Delete. (*ldmsi6): Delete. (*ldmsi5): Delete. (*ldmsi4): Delete. (*ldmsi3): Delete. (store_multiple): Delete. (*stmsi8): Delete. (*stmsi7): Delete. (*stmsi6): Delete. (*stmsi5): Delete. (*stmsi4): Delete. (*stmsi3): Delete. (movmemsi_8reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_6reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_4reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_2reg): Delete. (corresponding unnamed define_insn): Delete. (movmemsi_1reg): Delete. (corresponding unnamed define_insn): Delete. * config/rs6000/rs6000.opt (mno-string): New. (mstring): Replace by deprecation warning stub. * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mstring. 2018-01-12 Jakub Jelinek * regrename.c (regrename_do_replace): If replacing the same reg multiple times, try to reuse last created gen_raw_REG. PR debug/81155 * bb-reorder.c (pass_partition_blocks::gate): In lto don't partition main to workaround a bug in GDB. 2018-01-12 Tom de Vries PR target/83737 * config.gcc (nvptx*-*-*): Set use_gcc_stdint=wrap. 2018-01-12 Vladimir Makarov PR rtl-optimization/80481 * ira-color.c (get_cap_member): New function. (allocnos_conflict_by_live_ranges_p): Use it. (slot_coalesced_allocno_live_ranges_intersect_p): Add assert. (setup_slot_coalesced_allocno_live_ranges): Ditto. 2018-01-12 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*saddsi_1): New insn_ans_split pattern. (*saddl_se_1): Ditto. (*ssubsi_1): Ditto. (*ssubl_se_1): Ditto. 2018-01-12 Richard Sandiford * tree-predcom.c (aff_combination_dr_offset): Use wi::to_poly_widest rather than wi::to_widest for DR_INITs. * tree-vect-data-refs.c (vect_find_same_alignment_drs): Use wi::to_poly_offset rather than wi::to_offset for DR_INIT. (vect_analyze_data_ref_accesses): Require both DR_INITs to be INTEGER_CSTs. (vect_analyze_group_access_1): Note that here. 2018-01-12 Richard Sandiford * tree-vectorizer.c (get_vec_alignment_for_array_type): Handle polynomial type sizes. 2018-01-12 Richard Sandiford * gimplify.c (gimple_add_tmp_var_fn): Allow variables to have a poly_uint64 size, rather than requiring an unsigned HOST_WIDE_INT size. (gimple_add_tmp_var): Likewise. 2018-01-12 Martin Liska * gimple.c (gimple_alloc_counts): Use uint64_t instead of int. (gimple_alloc_sizes): Likewise. (dump_gimple_statistics): Use PRIu64 in printf format. * gimple.h: Change uint64_t to int. 2018-01-12 Martin Liska * tree-core.h: Use uint64_t instead of int. * tree.c (tree_node_counts): Likewise. (tree_node_sizes): Likewise. (dump_tree_statistics): Use PRIu64 in printf format. 2018-01-12 Martin Liska * Makefile.in: As qsort_chk is implemented in vec.c, add vec.o to linkage of gencfn-macros. * tree.c (build_new_poly_int_cst): Add CXX_MEM_STAT_INFO as it's passing the info to record_node_allocation_statistics. (test_vector_cst_patterns): Add CXX_MEM_STAT_INFO to declaration and pass the info. * ggc-common.c (struct ggc_usage): Add operator== and use it in operator< and compare function. * mem-stats.h (struct mem_usage): Likewise. * vec.c (struct vec_usage): Remove operator< and compare function. Can be simply inherited. 2018-01-12 Martin Jambor PR target/81616 * params.def: New parameter PARAM_AVOID_FMA_MAX_BITS. * tree-ssa-math-opts.c: Include domwalk.h. (convert_mult_to_fma_1): New function. (fma_transformation_info): New type. (fma_deferring_state): Likewise. (cancel_fma_deferring): New function. (result_of_phi): Likewise. (last_fma_candidate_feeds_initial_phi): Likewise. (convert_mult_to_fma): Added deferring logic, split actual transformation to convert_mult_to_fma_1. (math_opts_dom_walker): New type. (math_opts_dom_walker::after_dom_children): New method, body moved here from pass_optimize_widening_mul::execute, added deferring logic bits. (pass_optimize_widening_mul::execute): Moved most of code to math_opts_dom_walker::after_dom_children. * config/i386/x86-tune.def (X86_TUNE_AVOID_128FMA_CHAINS): New. * config/i386/i386.c (ix86_option_override_internal): Added maybe_setting of PARAM_AVOID_FMA_MAX_BITS. 2018-01-12 Richard Biener PR debug/83157 * dwarf2out.c (gen_variable_die): Do not reset old_die for inline instance vars. 2018-01-12 Oleg Endo PR target/81819 * config/rx/rx.c (rx_is_restricted_memory_address): Handle SUBREG case. 2018-01-12 Richard Biener PR tree-optimization/80846 * target.def (split_reduction): New target hook. * targhooks.c (default_split_reduction): New function. * targhooks.h (default_split_reduction): Declare. * tree-vect-loop.c (vect_create_epilog_for_reduction): If the target requests first reduce vectors by combining low and high parts. * tree-vect-stmts.c (vect_gen_perm_mask_any): Adjust. (get_vectype_for_scalar_type_and_size): Export. * tree-vectorizer.h (get_vectype_for_scalar_type_and_size): Declare. * doc/tm.texi.in (TARGET_VECTORIZE_SPLIT_REDUCTION): Document. * doc/tm.texi: Regenerate. * config/i386/i386.c (ix86_split_reduction): Implement TARGET_VECTORIZE_SPLIT_REDUCTION. 2018-01-12 Eric Botcazou PR target/83368 * config/sparc/sparc.h (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM in PIC mode except for TARGET_VXWORKS_RTP. * config/sparc/sparc.c: Include cfgrtl.h. (TARGET_INIT_PIC_REG): Define. (TARGET_USE_PSEUDO_PIC_REG): Likewise. (sparc_pic_register_p): New predicate. (sparc_legitimate_address_p): Use it. (sparc_legitimize_pic_address): Likewise. (sparc_delegitimize_address): Likewise. (sparc_mode_dependent_address_p): Likewise. (gen_load_pcrel_sym): Remove 4th parameter. (load_got_register): Adjust call to above. Remove obsolete stuff. (sparc_expand_prologue): Do not call load_got_register here. (sparc_flat_expand_prologue): Likewise. (sparc_output_mi_thunk): Set the pic_offset_table_rtx object. (sparc_use_pseudo_pic_reg): New function. (sparc_init_pic_reg): Likewise. * config/sparc/sparc.md (vxworks_load_got): Set the GOT register. (builtin_setjmp_receiver): Enable only for TARGET_VXWORKS_RTP. 2018-01-12 Christophe Lyon * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes): Add item for branch_cost. 2018-01-12 Eric Botcazou PR rtl-optimization/83565 * rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do not extend the result to a larger mode for rotate operations. (num_sign_bit_copies1): Likewise. 2018-01-12 Rainer Orth PR target/40411 * config/sol2.h (STARTFILE_ARCH_SPEC): Don't use with -shared or -symbolic. Use values-Xc.o for -pedantic. Link with values-xpg4.o for C90, values-xpg6.o otherwise. 2018-01-12 Martin Liska PR ipa/83054 * ipa-devirt.c (final_warning_record::grow_type_warnings): New function. (possible_polymorphic_call_targets): Use it. (ipa_devirt): Likewise. 2018-01-12 Martin Liska * profile-count.h (enum profile_quality): Use 0 as invalid enum value of profile_quality. 2018-01-12 Chung-Ju Wu * doc/invoke.texi (NDS32 Options): Add -mext-perf, -mext-perf2 and -mext-string options. 2018-01-12 Richard Biener * lto-streamer-out.c (DFS::DFS_write_tree_body): Process DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P. * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers): Likewise. * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise. 2018-01-11 Michael Meissner * configure.ac (--with-long-double-format): Add support for the configuration option to change the default long double format on PowerPC systems. * config.gcc (powerpc*-linux*-*): Likewise. * configure: Regenerate. * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If long double is IEEE, define __KC__ and __KF__ to allow floatn.h to be used without modification. 2018-01-11 Bill Schmidt * config/rs6000/rs6000-builtin.def (BU_P7_MISC_X): New #define. (SPEC_BARRIER): New instantiation of BU_P7_MISC_X. * config/rs6000/rs6000.c (rs6000_expand_builtin): Handle MISC_BUILTIN_SPEC_BARRIER. (rs6000_init_builtins): Likewise. * config/rs6000/rs6000.md (UNSPECV_SPEC_BARRIER): New UNSPECV enum value. (speculation_barrier): New define_insn. * doc/extend.texi: Document __builtin_speculation_barrier. 2018-01-11 Jakub Jelinek PR target/83203 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): If one_var is 0, for V{8,16}S[IF] and V[48]D[IF]mode use gen_vec_set_0. * config/i386/sse.md (VI8_AVX_AVX512F, VI4F_256_512): New mode iterators. (ssescalarmodesuffix): Add 512-bit vectors. Use "d" or "q" for integral modes instead of "ss" and "sd". (vec_set_0): New define_insns for 256-bit and 512-bit vectors with 32-bit and 64-bit elements. (vecdupssescalarmodesuffix): New mode attribute. (vec_dup): Use it. 2018-01-11 H.J. Lu PR target/83330 * config/i386/i386.c (ix86_compute_frame_layout): Align stack frame if argument is passed on stack. 2018-01-11 Jakub Jelinek PR target/82682 * ree.c (combine_reaching_defs): Optimize also reg2=exp; reg1=reg2; reg2=any_extend(reg1); into reg2=any_extend(exp); reg1=reg2;, formatting fix. 2018-01-11 Jan Hubicka PR middle-end/83189 * gimple-ssa-isolate-paths.c (isolate_path): Fix profile update. 2018-01-11 Jan Hubicka PR middle-end/83718 * tree-inline.c (copy_cfg_body): Adjust num&den for scaling after they are computed. 2018-01-11 Bin Cheng PR tree-optimization/83695 * gimple-loop-linterchange.cc (tree_loop_interchange::interchange_loops): Call scev_reset_htab to reset cached scev information after interchange. (pass_linterchange::execute): Remove call to scev_reset_htab. 2018-01-11 Kyrylo Tkachov * config/arm/arm_neon.h (vfmlal_lane_low_u32, vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32, vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32, vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32, vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32, vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32): Define. * config/arm/arm_neon_builtins.def (vfmal_lane_low, vfmal_lane_lowv4hf, vfmal_lane_lowv8hf, vfmal_lane_high, vfmal_lane_highv4hf, vfmal_lane_highv8hf, vfmsl_lane_low, vfmsl_lane_lowv4hf, vfmsl_lane_lowv8hf, vfmsl_lane_high, vfmsl_lane_highv4hf, vfmsl_lane_highv8hf): New sets of builtins. * config/arm/iterators.md (VFMLSEL2, vfmlsel2): New mode attributes. (V_lane_reg): Likewise. * config/arm/neon.md (neon_vfml_lane_): New define_expand. (neon_vfml_lane_): Likewise. (vfmal_lane_low_intrinsic, vfmal_lane_low_intrinsic, vfmal_lane_high_intrinsic, vfmal_lane_high_intrinsic, vfmsl_lane_low_intrinsic, vfmsl_lane_low_intrinsic, vfmsl_lane_high_intrinsic, vfmsl_lane_high_intrinsic): New define_insns. 2018-01-11 Kyrylo Tkachov * config/arm/arm-cpus.in (fp16fml): New feature. (ALL_SIMD): Add fp16fml. (armv8.2-a): Add fp16fml as an option. (armv8.3-a): Likewise. (armv8.4-a): Add fp16fml as part of fp16. * config/arm/arm.h (TARGET_FP16FML): Define. * config/arm/arm-c.c (arm_cpu_builtins): Define __ARM_FEATURE_FP16_FML when appropriate. * config/arm/arm-modes.def (V2HF): Define. * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32, vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32, vfmlalq_high_u32, vfmlslq_high_u32): Define. * config/arm/arm_neon_builtins.def (vfmal_low, vfmal_high, vfmsl_low, vfmsl_high): New set of builtins. * config/arm/iterators.md (PLUSMINUS): New code iterator. (vfml_op): New code attribute. (VFMLHALVES): New int iterator. (VFML, VFMLSEL): New mode attributes. (V_reg): Define mapping for V2HF. (V_hi, V_lo): New mode attributes. (VF_constraint): Likewise. (vfml_half, vfml_half_selector): New int attributes. * config/arm/neon.md (neon_vfml_): New define_expand. (vfmal_low_intrinsic, vfmsl_high_intrinsic, vfmal_high_intrinsic, vfmsl_low_intrinsic): New define_insn. * config/arm/t-arm-elf (v8_fps): Add fp16fml. * config/arm/t-multilib (v8_2_a_simd_variants): Add fp16fml. * config/arm/unspecs.md (UNSPEC_VFML_LO, UNSPEC_VFML_HI): New unspecs. * doc/invoke.texi (ARM Options): Document fp16fml. Update armv8.4-a documentation. * doc/sourcebuild.texi (arm_fp16fml_neon_ok, arm_fp16fml_neon): Document new effective target and option set. 2018-01-11 Kyrylo Tkachov * config/arm/arm-cpus.in (armv8_4): New feature. (ARMv8_4a): New fgroup. (armv8.4-a): New arch. * config/arm/arm-tables.opt: Regenerate. * config/arm/t-aprofile: Add matching rules for -march=armv8.4-a. * config/arm/t-arm-elf (all_v8_archs): Add armv8.4-a. * config/arm/t-multilib (v8_4_a_simd_variants): New variable. Add matching rules for -march=armv8.4-a and extensions. * doc/invoke.texi (ARM Options): Document -march=armv8.4-a. 2018-01-11 Oleg Endo PR target/81821 * config/rx/rx.md (BW): New mode attribute. (sync_lock_test_and_setsi): Add mode suffix to insn output. 2018-01-11 Richard Biener PR tree-optimization/83435 * graphite.c (canonicalize_loop_form): Ignore fake loop exit edges. * graphite-scop-detection.c (scop_detection::get_sese): Likewise. * tree-vrp.c (add_assert_info): Drop TREE_OVERFLOW if they appear. 2018-01-11 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64.c (aarch64_address_info): Add a const_offset field. (aarch64_classify_address): Initialize it. Track polynomial offsets. (aarch64_print_address_internal): Use it to check for a zero offset. 2018-01-11 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-modes.def (NUM_POLY_INT_COEFFS): Set to 2. * config/aarch64/aarch64-protos.h (aarch64_initial_elimination_offset): Return a poly_int64 rather than a HOST_WIDE_INT. (aarch64_offset_7bit_signed_scaled_p): Take the offset as a poly_int64 rather than a HOST_WIDE_INT. * config/aarch64/aarch64.h (aarch64_frame): Protect with HAVE_POLY_INT_H rather than HOST_WIDE_INT. Change locals_offset, hard_fp_offset, frame_size, initial_adjust, callee_offset and final_offset from HOST_WIDE_INT to poly_int64. * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use to_constant when getting the number of units in an Advanced SIMD mode. (aarch64_builtin_vectorized_function): Check for a constant number of units. * config/aarch64/aarch64-simd.md (mov): Handle polynomial GET_MODE_SIZE. (aarch64_ld_lane): Use the nunits attribute instead of GET_MODE_NUNITS. * config/aarch64/aarch64.c (aarch64_hard_regno_nregs) (aarch64_class_max_nregs): Use the constant_lowest_bound of the GET_MODE_SIZE for fixed-size registers. (aarch64_const_vec_all_same_in_range_p): Use const_vec_duplicate_p. (aarch64_hard_regno_call_part_clobbered, aarch64_classify_index) (aarch64_mode_valid_for_sched_fusion_p, aarch64_classify_address) (aarch64_legitimize_address_displacement, aarch64_secondary_reload) (aarch64_print_operand, aarch64_print_address_internal) (aarch64_address_cost, aarch64_rtx_costs, aarch64_register_move_cost) (aarch64_short_vector_p, aapcs_vfp_sub_candidate) (aarch64_simd_attr_length_rglist, aarch64_operands_ok_for_ldpstp): Handle polynomial GET_MODE_SIZE. (aarch64_hard_regno_caller_save_mode): Likewise. Return modes wider than SImode without modification. (tls_symbolic_operand_type): Use strip_offset instead of split_const. (aarch64_pass_by_reference, aarch64_layout_arg, aarch64_pad_reg_upward) (aarch64_gimplify_va_arg_expr): Assert that we don't yet handle passing and returning SVE modes. (aarch64_function_value, aarch64_layout_arg): Use gen_int_mode rather than GEN_INT. (aarch64_emit_probe_stack_range): Take the size as a poly_int64 rather than a HOST_WIDE_INT, but call sorry if it isn't constant. (aarch64_allocate_and_probe_stack_space): Likewise. (aarch64_layout_frame): Cope with polynomial offsets. (aarch64_save_callee_saves, aarch64_restore_callee_saves): Take the start_offset as a poly_int64 rather than a HOST_WIDE_INT. Track polynomial offsets. (offset_9bit_signed_unscaled_p, offset_12bit_unsigned_scaled_p) (aarch64_offset_7bit_signed_scaled_p): Take the offset as a poly_int64 rather than a HOST_WIDE_INT. (aarch64_get_separate_components, aarch64_process_components) (aarch64_expand_prologue, aarch64_expand_epilogue) (aarch64_use_return_insn_p): Handle polynomial frame offsets. (aarch64_anchor_offset): New function, split out from... (aarch64_legitimize_address): ...here. (aarch64_builtin_vectorization_cost): Handle polynomial TYPE_VECTOR_SUBPARTS. (aarch64_simd_check_vect_par_cnst_half): Handle polynomial GET_MODE_NUNITS. (aarch64_simd_make_constant, aarch64_expand_vector_init): Get the number of elements from the PARALLEL rather than the mode. (aarch64_shift_truncation_mask): Use GET_MODE_UNIT_BITSIZE rather than GET_MODE_BITSIZE. (aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_ext) (aarch64_evpc_rev, aarch64_evpc_dup, aarch64_evpc_zip) (aarch64_expand_vec_perm_const_1): Handle polynomial d->perm.length () and d->perm elements. (aarch64_evpc_tbl): Likewise. Use nelt rather than GET_MODE_NUNITS. Apply to_constant to d->perm elements. (aarch64_simd_valid_immediate, aarch64_vec_fpconst_pow_of_2): Handle polynomial CONST_VECTOR_NUNITS. (aarch64_move_pointer): Take amount as a poly_int64 rather than an int. (aarch64_progress_pointer): Avoid temporary variable. * config/aarch64/aarch64.md (aarch64_): Use the mode attribute instead of GET_MODE. 2018-01-11 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64.c (aarch64_force_temporary): Assert that x exists before using it. (aarch64_add_constant_internal): Rename to... (aarch64_add_offset_1): ...this. Replace regnum with separate src and dest rtxes. Handle the case in which they're different, including when the offset is zero. Replace scratchreg with an rtx. Use 2 additions if there is no spare register into which we can move a 16-bit constant. (aarch64_add_constant): Delete. (aarch64_add_offset): Replace reg with separate src and dest rtxes. Take a poly_int64 offset instead of a HOST_WIDE_INT. Use aarch64_add_offset_1. (aarch64_add_sp, aarch64_sub_sp): Take the scratch register as an rtx rather than an int. Take the delta as a poly_int64 rather than a HOST_WIDE_INT. Use aarch64_add_offset. (aarch64_expand_mov_immediate): Update uses of aarch64_add_offset. (aarch64_expand_prologue): Update calls to aarch64_sub_sp, aarch64_allocate_and_probe_stack_space and aarch64_add_offset. (aarch64_expand_epilogue): Update calls to aarch64_add_offset and aarch64_add_sp. (aarch64_output_mi_thunk): Use aarch64_add_offset rather than aarch64_add_constant. 2018-01-11 Richard Sandiford * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int): Use scalar_float_mode. 2018-01-11 Richard Sandiford * config/aarch64/aarch64-simd.md (aarch64_fmll_low): Avoid GET_MODE_NUNITS. (aarch64_fmll_high): Likewise. (aarch64_fmll_lane_lowv2sf): Likewise. (aarch64_fmll_lane_highv2sf): Likewise. (aarch64_fmllq_laneq_lowv4sf): Likewise. (aarch64_fmllq_laneq_highv4sf): Likewise. (aarch64_fmll_laneq_lowv2sf): Likewise. (aarch64_fmll_laneq_highv2sf): Likewise. (aarch64_fmllq_lane_lowv4sf): Likewise. (aarch64_fmllq_lane_highv4sf): Likewise. 2018-01-11 Prathamesh Kulkarni PR target/83514 * config/arm/arm.c (arm_declare_function_name): Set arch_to_print if targ_options->x_arm_arch_string is non NULL. 2018-01-11 Tamar Christina * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_4): Add AARCH64_FL_DOTPROD. 2018-01-11 Sudakshina Das PR target/82096 * expmed.c (emit_store_flag_force): Swap if const op0 and change VOIDmode to mode of op0. 2018-01-11 Richard Sandiford PR rtl-optimization/83761 * caller-save.c (replace_reg_with_saved_mem): Pass bits rather than bytes to mode_for_size. 2018-01-10 Jan Hubicka PR middle-end/83189 * gfortran.fortran-torture/compile/pr83189.f90: New testcase. * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Handle zero profile. 2018-01-10 Jan Hubicka PR middle-end/83575 * cfgrtl.c (rtl_verify_edges): Only verify fixability of partition when in layout mode. (cfg_layout_finalize): Do not verify cfg before we are out of layout. * cfgcleanup.c (try_optimize_cfg): Only verify flow info when doing partition fixup. 2018-01-10 Michael Collison * config/aarch64/aarch64-modes.def (V2HF): New VECTOR_MODE. * config/aarch64/aarch64-option-extension.def: Add AARCH64_OPT_EXTENSION of 'fp16fml'. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_FP16_FML): Define if TARGET_F16FML is true. * config/aarch64/predicates.md (aarch64_lane_imm3): New predicate. * config/aarch64/constraints.md (Ui7): New constraint. * config/aarch64/iterators.md (VFMLA_W): New mode iterator. (VFMLA_SEL_W): Ditto. (f16quad): Ditto. (f16mac1): Ditto. (VFMLA16_LOW): New int iterator. (VFMLA16_HIGH): Ditto. (UNSPEC_FMLAL): New unspec. (UNSPEC_FMLSL): Ditto. (UNSPEC_FMLAL2): Ditto. (UNSPEC_FMLSL2): Ditto. (f16mac): New code attribute. * config/aarch64/aarch64-simd-builtins.def (aarch64_fmlal_lowv2sf): Ditto. (aarch64_fmlsl_lowv2sf): Ditto. (aarch64_fmlalq_lowv4sf): Ditto. (aarch64_fmlslq_lowv4sf): Ditto. (aarch64_fmlal_highv2sf): Ditto. (aarch64_fmlsl_highv2sf): Ditto. (aarch64_fmlalq_highv4sf): Ditto. (aarch64_fmlslq_highv4sf): Ditto. (aarch64_fmlal_lane_lowv2sf): Ditto. (aarch64_fmlsl_lane_lowv2sf): Ditto. (aarch64_fmlal_laneq_lowv2sf): Ditto. (aarch64_fmlsl_laneq_lowv2sf): Ditto. (aarch64_fmlalq_lane_lowv4sf): Ditto. (aarch64_fmlsl_lane_lowv4sf): Ditto. (aarch64_fmlalq_laneq_lowv4sf): Ditto. (aarch64_fmlsl_laneq_lowv4sf): Ditto. (aarch64_fmlal_lane_highv2sf): Ditto. (aarch64_fmlsl_lane_highv2sf): Ditto. (aarch64_fmlal_laneq_highv2sf): Ditto. (aarch64_fmlsl_laneq_highv2sf): Ditto. (aarch64_fmlalq_lane_highv4sf): Ditto. (aarch64_fmlsl_lane_highv4sf): Ditto. (aarch64_fmlalq_laneq_highv4sf): Ditto. (aarch64_fmlsl_laneq_highv4sf): Ditto. * config/aarch64/aarch64-simd.md: (aarch64_fmll_low): New pattern. (aarch64_fmll_high): Ditto. (aarch64_simd_fmll_low): Ditto. (aarch64_simd_fmll_high): Ditto. (aarch64_fmll_lane_lowv2sf): Ditto. (aarch64_fmll_lane_highv2sf): Ditto. (aarch64_simd_fmll_lane_lowv2sf): Ditto. (aarch64_simd_fmll_lane_highv2sf): Ditto. (aarch64_fmllq_laneq_lowv4sf): Ditto. (aarch64_fmllq_laneq_highv4sf): Ditto. (aarch64_simd_fmllq_laneq_lowv4sf): Ditto. (aarch64_simd_fmllq_laneq_highv4sf): Ditto. (aarch64_fmll_laneq_lowv2sf): Ditto. (aarch64_fmll_laneq_highv2sf): Ditto. (aarch64_simd_fmll_laneq_lowv2sf): Ditto. (aarch64_simd_fmll_laneq_highv2sf): Ditto. (aarch64_fmllq_lane_lowv4sf): Ditto. (aarch64_fmllq_lane_highv4sf): Ditto. (aarch64_simd_fmllq_lane_lowv4sf): Ditto. (aarch64_simd_fmllq_lane_highv4sf): Ditto. * config/aarch64/arm_neon.h (vfmlal_low_u32): New intrinsic. (vfmlsl_low_u32): Ditto. (vfmlalq_low_u32): Ditto. (vfmlslq_low_u32): Ditto. (vfmlal_high_u32): Ditto. (vfmlsl_high_u32): Ditto. (vfmlalq_high_u32): Ditto. (vfmlslq_high_u32): Ditto. (vfmlal_lane_low_u32): Ditto. (vfmlsl_lane_low_u32): Ditto. (vfmlal_laneq_low_u32): Ditto. (vfmlsl_laneq_low_u32): Ditto. (vfmlalq_lane_low_u32): Ditto. (vfmlslq_lane_low_u32): Ditto. (vfmlalq_laneq_low_u32): Ditto. (vfmlslq_laneq_low_u32): Ditto. (vfmlal_lane_high_u32): Ditto. (vfmlsl_lane_high_u32): Ditto. (vfmlal_laneq_high_u32): Ditto. (vfmlsl_laneq_high_u32): Ditto. (vfmlalq_lane_high_u32): Ditto. (vfmlslq_lane_high_u32): Ditto. (vfmlalq_laneq_high_u32): Ditto. (vfmlslq_laneq_high_u32): Ditto. * config/aarch64/aarch64.h (AARCH64_FL_F16SML): New flag. (AARCH64_FL_FOR_ARCH8_4): New. (AARCH64_ISA_F16FML): New ISA flag. (TARGET_F16FML): New feature flag for fp16fml. (doc/invoke.texi): Document new fp16fml option. 2018-01-10 Michael Collison * config/aarch64/aarch64-builtins.c: (aarch64_types_ternopu_imm_qualifiers, TYPES_TERNOPUI): New. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_SHA3): Define if TARGET_SHA3 is true. * config/aarch64/aarch64.h (AARCH64_FL_SHA3): New flags. (AARCH64_ISA_SHA3): New ISA flag. (TARGET_SHA3): New feature flag for sha3. * config/aarch64/iterators.md (sha512_op): New int attribute. (CRYPTO_SHA512): New int iterator. (UNSPEC_SHA512H): New unspec. (UNSPEC_SHA512H2): Ditto. (UNSPEC_SHA512SU0): Ditto. (UNSPEC_SHA512SU1): Ditto. * config/aarch64/aarch64-simd-builtins.def (aarch64_crypto_sha512hqv2di): New builtin. (aarch64_crypto_sha512h2qv2di): Ditto. (aarch64_crypto_sha512su0qv2di): Ditto. (aarch64_crypto_sha512su1qv2di): Ditto. (aarch64_eor3qv8hi): Ditto. (aarch64_rax1qv2di): Ditto. (aarch64_xarqv2di): Ditto. (aarch64_bcaxqv8hi): Ditto. * config/aarch64/aarch64-simd.md: (aarch64_crypto_sha512hqv2di): New pattern. (aarch64_crypto_sha512su0qv2di): Ditto. (aarch64_crypto_sha512su1qv2di): Ditto. (aarch64_eor3qv8hi): Ditto. (aarch64_rax1qv2di): Ditto. (aarch64_xarqv2di): Ditto. (aarch64_bcaxqv8hi): Ditto. * config/aarch64/arm_neon.h (vsha512hq_u64): New intrinsic. (vsha512h2q_u64): Ditto. (vsha512su0q_u64): Ditto. (vsha512su1q_u64): Ditto. (veor3q_u16): Ditto. (vrax1q_u64): Ditto. (vxarq_u64): Ditto. (vbcaxq_u16): Ditto. * config/arm/types.md (crypto_sha512): New type attribute. (crypto_sha3): Ditto. (doc/invoke.texi): Document new sha3 option. 2018-01-10 Michael Collison * config/aarch64/aarch64-builtins.c: (aarch64_types_quadopu_imm_qualifiers, TYPES_QUADOPUI): New. * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_SM3): Define if TARGET_SM4 is true. (__ARM_FEATURE_SM4): Define if TARGET_SM4 is true. * config/aarch64/aarch64.h (AARCH64_FL_SM4): New flags. (AARCH64_ISA_SM4): New ISA flag. (TARGET_SM4): New feature flag for sm4. * config/aarch64/aarch64-simd-builtins.def (aarch64_sm3ss1qv4si): Ditto. (aarch64_sm3tt1aq4si): Ditto. (aarch64_sm3tt1bq4si): Ditto. (aarch64_sm3tt2aq4si): Ditto. (aarch64_sm3tt2bq4si): Ditto. (aarch64_sm3partw1qv4si): Ditto. (aarch64_sm3partw2qv4si): Ditto. (aarch64_sm4eqv4si): Ditto. (aarch64_sm4ekeyqv4si): Ditto. * config/aarch64/aarch64-simd.md: (aarch64_sm3ss1qv4si): Ditto. (aarch64_sm3ttqv4si): Ditto. (aarch64_sm3partwqv4si): Ditto. (aarch64_sm4eqv4si): Ditto. (aarch64_sm4ekeyqv4si): Ditto. * config/aarch64/iterators.md (sm3tt_op): New int iterator. (sm3part_op): Ditto. (CRYPTO_SM3TT): Ditto. (CRYPTO_SM3PART): Ditto. (UNSPEC_SM3SS1): New unspec. (UNSPEC_SM3TT1A): Ditto. (UNSPEC_SM3TT1B): Ditto. (UNSPEC_SM3TT2A): Ditto. (UNSPEC_SM3TT2B): Ditto. (UNSPEC_SM3PARTW1): Ditto. (UNSPEC_SM3PARTW2): Ditto. (UNSPEC_SM4E): Ditto. (UNSPEC_SM4EKEY): Ditto. * config/aarch64/constraints.md (Ui2): New constraint. * config/aarch64/predicates.md (aarch64_imm2): New predicate. * config/arm/types.md (crypto_sm3): New type attribute. (crypto_sm4): Ditto. * config/aarch64/arm_neon.h (vsm3ss1q_u32): New intrinsic. (vsm3tt1aq_u32): Ditto. (vsm3tt1bq_u32): Ditto. (vsm3tt2aq_u32): Ditto. (vsm3tt2bq_u32): Ditto. (vsm3partw1q_u32): Ditto. (vsm3partw2q_u32): Ditto. (vsm4eq_u32): Ditto. (vsm4ekeyq_u32): Ditto. (doc/invoke.texi): Document new sm4 option. 2018-01-10 Michael Collison * config/aarch64/aarch64-arches.def (armv8.4-a): New architecture. * config/aarch64/aarch64.h (AARCH64_ISA_V8_4): New ISA flag. (AARCH64_FL_FOR_ARCH8_4): New. (AARCH64_FL_V8_4): New flag. (doc/invoke.texi): Document new armv8.4-a option. 2018-01-10 Michael Collison * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): (__ARM_FEATURE_AES): Define if TARGET_AES is true. (__ARM_FEATURE_SHA2): Define if TARGET_SHA2 is true. * config/aarch64/aarch64-option-extension.def: Add AARCH64_OPT_EXTENSION of 'sha2'. (aes): Add AARCH64_OPT_EXTENSION of 'aes'. (crypto): Disable sha2 and aes if crypto disabled. (crypto): Enable aes and sha2 if enabled. (simd): Disable sha2 and aes if simd disabled. * config/aarch64/aarch64.h (AARCH64_FL_AES, AARCH64_FL_SHA2): New flags. (AARCH64_ISA_AES, AARCH64_ISA_SHA2): New ISA flags. (TARGET_SHA2): New feature flag for sha2. (TARGET_AES): New feature flag for aes. * config/aarch64/aarch64-simd.md: (aarch64_crypto_aesv16qi): Make pattern conditional on TARGET_AES. (aarch64_crypto_aesv16qi): Ditto. (aarch64_crypto_sha1hsi): Make pattern conditional on TARGET_SHA2. (aarch64_crypto_sha1hv4si): Ditto. (aarch64_be_crypto_sha1hv4si): Ditto. (aarch64_crypto_sha1su1v4si): Ditto. (aarch64_crypto_sha1v4si): Ditto. (aarch64_crypto_sha1su0v4si): Ditto. (aarch64_crypto_sha256hv4si): Ditto. (aarch64_crypto_sha256su0v4si): Ditto. (aarch64_crypto_sha256su1v4si): Ditto. (doc/invoke.texi): Document new aes and sha2 options. 2018-01-10 Martin Sebor PR tree-optimization/83781 * gimple-fold.c (get_range_strlen): Avoid treating arrays of pointers as string arrays. 2018-01-11 Martin Sebor Prathamesh Kulkarni PR tree-optimization/83501 PR tree-optimization/81703 * tree-ssa-strlen.c (get_string_cst): Rename... (get_string_len): ...to this. Handle global constants. (handle_char_store): Adjust. 2018-01-10 Kito Cheng Jim Wilson * config/riscv/riscv-protos.h (riscv_output_return): New. * config/riscv/riscv.c (struct machine_function): New naked_p field. (riscv_attribute_table, riscv_output_return), (riscv_handle_fndecl_attribute, riscv_naked_function_p), (riscv_allocate_stack_slots_for_args, riscv_warn_func_return): New. (riscv_compute_frame_info): Only compute frame->mask if not a naked function. (riscv_expand_prologue): Add early return for naked function. (riscv_expand_epilogue): Likewise. (riscv_function_ok_for_sibcall): Return false for naked function. (riscv_set_current_function): New. (TARGET_SET_CURRENT_FUNCTION, TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS), (TARGET_ATTRIBUTE_TABLE, TARGET_WARN_FUNC_RETURN): New. * config/riscv/riscv.md (simple_return): Call riscv_output_return. * doc/extend.texi (RISC-V Function Attributes): New. 2018-01-10 Michael Meissner * config/rs6000/rs6000.c (is_complex_IBM_long_double): Explicitly check for 128-bit long double before checking TCmode. * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Explicitly check for 128-bit long doubles before checking TFmode or TCmode. (FLOAT128_IBM_P): Likewise. 2018-01-10 Martin Sebor PR tree-optimization/83671 * builtins.c (c_strlen): Unconditionally return zero for the empty string. Use -Warray-bounds for warnings. * gimple-fold.c (get_range_strlen): Handle non-constant lengths for non-constant array indices with COMPONENT_REF, arrays of arrays, and pointers to arrays. (gimple_fold_builtin_strlen): Determine and set length range for non-constant character arrays. 2018-01-10 Aldy Hernandez PR middle-end/81897 * tree-ssa-uninit.c (convert_control_dep_chain_into_preds): Skip empty blocks. 2018-01-10 Eric Botcazou * dwarf2out.c (dwarf2out_var_location): Do not pass NULL to fprintf. 2018-01-10 Peter Bergner PR target/83399 * config/rs6000/rs6000.c (print_operand) <'y'>: Use VECTOR_MEM_ALTIVEC_OR_VSX_P. * config/rs6000/vsx.md (*vsx_le_perm_load_ for VSX_D): Use indexed_or_indirect_operand predicate. (*vsx_le_perm_load_ for VSX_W): Likewise. (*vsx_le_perm_load_v8hi): Likewise. (*vsx_le_perm_load_v16qi): Likewise. (*vsx_le_perm_store_ for VSX_D): Likewise. (*vsx_le_perm_store_ for VSX_W): Likewise. (*vsx_le_perm_store_v8hi): Likewise. (*vsx_le_perm_store_v16qi): Likewise. (eight unnamed splitters): Likewise. 2018-01-10 Peter Bergner * config/rs6000/x86intrin.h: Change #warning to #error. Update message. * config/rs6000/emmintrin.h: Likewise. * config/rs6000/mmintrin.h: Likewise. * config/rs6000/xmmintrin.h: Likewise. 2018-01-10 David Malcolm PR c++/43486 * tree-core.h: Document EXPR_LOCATION_WRAPPER_P's usage of "public_flag". * tree.c (tree_nop_conversion): Return true for location wrapper nodes. (maybe_wrap_with_location): New function. (selftest::check_strip_nops): New function. (selftest::test_location_wrappers): New function. (selftest::tree_c_tests): Call it. * tree.h (STRIP_ANY_LOCATION_WRAPPER): New macro. (maybe_wrap_with_location): New decl. (EXPR_LOCATION_WRAPPER_P): New macro. (location_wrapper_p): New inline function. (tree_strip_any_location_wrapper): New inline function. 2018-01-10 H.J. Lu PR target/83735 * config/i386/i386.c (ix86_compute_frame_layout): Always adjust stack_realign_offset for the largest alignment of stack slot actually used. (ix86_find_max_used_stack_alignment): New function. (ix86_finalize_stack_frame_flags): Use it. Set max_used_stack_alignment if we don't realign stack. * config/i386/i386.h (machine_function): Add max_used_stack_alignment. 2018-01-10 Christophe Lyon * config/arm/arm.opt (-mbranch-cost): New option. * config/arm/arm.h (BRANCH_COST): Take arm_branch_cost into account. 2018-01-10 Segher Boessenkool PR target/83629 * config/rs6000/rs6000.md (load_toc_v4_PIC_2, load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): Wrap const term in CONST RTL. 2018-01-10 Richard Biener PR debug/83765 * dwarf2out.c (gen_subprogram_die): Hoist old_die && declaration early out so it also covers the case where we have a non-NULL origin. 2018-01-10 Richard Sandiford PR tree-optimization/83753 * tree-vect-stmts.c (get_group_load_store_type): Use VMAT_CONTIGUOUS for non-strided grouped accesses if the number of elements is 1. 2018-01-10 Jan Hubicka PR target/81616 * i386.c (ix86_vectorize_builtin_gather): Check TARGET_USE_GATHER. * i386.h (TARGET_USE_GATHER): Define. * x86-tune.def (X86_TUNE_USE_GATHER): New. 2018-01-10 Martin Liska PR bootstrap/82831 * basic-block.h (CLEANUP_NO_PARTITIONING): New define. * bb-reorder.c (pass_reorder_blocks::execute): Do not clean up partitioning. * cfgcleanup.c (try_optimize_cfg): Fix up partitioning if CLEANUP_NO_PARTITIONING is not set. 2018-01-10 Richard Sandiford * doc/rtl.texi: Remove documentation of (const ...) wrappers for vectors, as a partial revert of r254296. * rtl.h (const_vec_p): Delete. (const_vec_duplicate_p): Don't test for vector CONSTs. (unwrap_const_vec_duplicate, const_vec_series_p): Likewise. * expmed.c (make_tree): Likewise. Revert: * common.md (E, F): Use CONSTANT_P instead of checking for CONST_VECTOR. * emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of checking for CONST_VECTOR. 2018-01-09 Jan Hubicka PR middle-end/83575 * predict.c (force_edge_cold): Handle in more sane way edges with no prediction. 2018-01-09 Carl Love * config/rs6002/altivec.md (p8_vmrgow): Add support for V2DI, V2DF, V4SI, V4SF types. (p8_vmrgew): Add support for V2DI, V2DF, V4SF types. * config/rs6000/rs6000-builtin.def: Add definitions for FLOAT2_V2DF, VMRGEW_V2DI, VMRGEW_V2DF, VMRGEW_V4SF, VMRGOW_V4SI, VMRGOW_V4SF, VMRGOW_V2DI, VMRGOW_V2DF. Remove definition for VMRGOW. * config/rs6000/rs6000-c.c (VSX_BUILTIN_VEC_FLOAT2, P8V_BUILTIN_VEC_VMRGEW, P8V_BUILTIN_VEC_VMRGOW): Add definitions. * config/rs6000/rs6000-protos.h: Add extern defition for rs6000_generate_float2_double_code. * config/rs6000/rs6000.c (rs6000_generate_float2_double_code): Add function. * config/rs6000/vsx.md (vsx_xvcdpsp): Add define_insn. (float2_v2df): Add define_expand. 2018-01-09 Uros Bizjak PR target/83628 * combine.c (force_int_to_mode) : Use mode instead of op_mode in the force_to_mode call. 2018-01-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_evpc_trn): Use d.perm.series_p instead of checking each element individually. (aarch64_evpc_uzp): Likewise. (aarch64_evpc_zip): Likewise. (aarch64_evpc_ext): Likewise. (aarch64_evpc_rev): Likewise. (aarch64_evpc_dup): Test the encoding for a single duplicated element, instead of checking each element individually. Return true without generating rtl if (aarch64_vectorize_vec_perm_const): Use all_from_input_p to test whether all selected elements come from the same input, instead of checking each element individually. Remove calls to gen_rtx_REG, start_sequence and end_sequence and instead assert that no rtl is generated. 2018-01-09 Richard Sandiford * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Fix order of HIGH and CONST checks. 2018-01-09 Richard Sandiford * tree-vect-stmts.c (permute_vec_elements): Create a fresh variable if the destination isn't an SSA_NAME. 2018-01-09 Richard Biener PR tree-optimization/83668 * graphite.c (canonicalize_loop_closed_ssa): Add edge argument, move prologue... (canonicalize_loop_form): ... here, renamed from ... (canonicalize_loop_closed_ssa_form): ... this and amended to swap successor edges for loop exit blocks to make us use the RPO order we need for initial schedule generation. 2018-01-09 Joseph Myers PR tree-optimization/64811 * match.pd: When optimizing comparisons with Inf, avoid introducing or losing exceptions from comparisons with NaN. 2018-01-09 Martin Liska PR sanitizer/82517 * asan.c (shadow_mem_size): Add gcc_assert. 2018-01-09 Georg-Johann Lay Don't save registers in main(). PR target/83738 * doc/invoke.texi (AVR Options) [-mmain-is-OS_task]: Document it. * config/avr/avr.opt (-mmain-is-OS_task): New target option. * config/avr/avr.c (avr_set_current_function): Don't error if naked, OS_task or OS_main are specified at the same time. (avr_function_ok_for_sibcall): Don't disable sibcalls for OS_task, OS_main. (avr_insert_attributes) [-mmain-is-OS_task]
: Add OS_task attribute. * common/config/avr/avr-common.c (avr_option_optimization_table): Switch on -mmain-is-OS_task for optimizing compilations. 2018-01-09 Richard Biener PR tree-optimization/83572 * graphite.c: Include cfganal.h. (graphite_transform_loops): Connect infinite loops to exit and remove fake edges at the end. 2018-01-09 Jan Hubicka * ipa-inline.c (edge_badness): Revert accidental checkin. 2018-01-09 Jan Hubicka PR ipa/80763 * ipa-comdats.c (set_comdat_group): Only set comdat group of real symbols; not inline clones. 2018-01-09 Jakub Jelinek PR target/83507 * modulo-sched.c (schedule_reg_moves): Punt if we'd need to move hard registers. Formatting fixes. PR preprocessor/83722 * gcc.c (try_generate_repro): Pass &temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to do_report_bug. 2018-01-08 Monk Chiang Kito Cheng * config/riscv/riscv.c (machine_function::is_leaf): Remove field. (riscv_leaf_function_p): Delete. (riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE. 2018-01-08 Aaron Sawdey * config/rs6000/rs6000-string.c (do_load_for_compare_from_addr): New function. (do_ifelse): New function. (do_isel): New function. (do_sub3): New function. (do_add3): New function. (do_load_mask_compare): New function. (do_overlap_load_compare): New function. (expand_compare_loop): New function. (expand_block_compare): Call expand_compare_loop() when appropriate. * config/rs6000/rs6000.opt (-mblock-compare-inline-limit): Change option description. (-mblock-compare-inline-loop-limit): New option. 2018-01-08 Bill Schmidt PR target/83677 * config/rs6000/altivec.md (*altivec_vpermr__internal): Reverse order of second and third operands in first alternative. * config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order of first and second elements in UNSPEC_VPERMR vector. (altivec_expand_vec_perm_le): Likewise. 2018-01-08 Jeff Law PR rtl-optimizatin/81308 * tree-switch-conversion.c (cfg_altered): New file scoped static. (process_switch): If group_case_labels makes a change, then set cfg_altered. (pass_convert_switch::execute): If a switch is converted, then set cfg_altered. Return TODO_cfg_cleanup if cfg_altered is true. PR rtl-optimization/81308 * recog.c (split_all_insns): Conditionally cleanup the CFG after splitting insns. 2018-01-08 Vidya Praveen PR target/83663 - Revert r255946 * config/aarch64/aarch64.c (aarch64_expand_vector_init): Modify code generation for cases where splatting a value is not useful. * simplify-rtx.c (simplify_ternary_operation): Simplify vec_merge across a vec_duplicate and a paradoxical subreg forming a vector mode to a vec_concat. 2018-01-08 Kyrylo Tkachov * config/arm/t-aprofile (MULTILIB_MATCHES): Add mapping rules for -march=armv8.3-a variants. * config/arm/t-multilib: Likewise. * config/arm/t-arm-elf: Likewise. Handle dotprod extension. 2018-01-08 Aaron Sawdey * config/rs6000/rs6000.md (cceq_ior_compare): Remove * so I can use it to generate rtl. (cceq_ior_compare_complement): Give it a name so I can use it, and change boolean_or_operator predicate to boolean_operator so it can be used to generate a crand. (eqne): New code iterator. (bd/bd_neg): New code_attrs. (_): New name for ctr_internal[12] now combined into a single define_insn. (tf_): A new insn pattern for the conditional form branch decrement (bdnzt/bdnzf/bdzt/bdzf). * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Updated with the new names of the branch decrement patterns, and added the names of the branch decrement conditional patterns. 2018-01-08 Richard Biener PR tree-optimization/83563 * graphite.c (canonicalize_loop_closed_ssa_form): Reset the SCEV cache. 2018-01-08 Richard Biener PR middle-end/83713 * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks. 2018-01-08 Richard Biener PR tree-optimization/83685 * tree-ssa-pre.c (create_expression_by_pieces): Do not insert references to abnormals. 2018-01-08 Richard Biener PR lto/83719 * dwarf2out.c (output_indirect_strings): Handle empty skeleton_debug_str_hash. (dwarf2out_early_finish): Index strings for -gsplit-dwarf. 2018-01-08 Claudiu Zissulescu * config/arc/arc.c (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Delete. (emit_store_direct): Likewise. (arc_trampoline_adjust_address): Likewise. (arc_asm_trampoline_template): New function. (arc_initialize_trampoline): Use asm_trampoline_template. (TARGET_ASM_TRAMPOLINE_TEMPLATE): Define. * config/arc/arc.h (TRAMPOLINE_SIZE): Adjust to 16. * config/arc/arc.md (flush_icache): Delete pattern. 2018-01-08 Claudiu Zissulescu * config/arc/arc-c.def (__ARC_UNALIGNED__): New define. * config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using munaligned-access. 2018-01-08 Sebastian Huber PR target/83681 * config/epiphany/epiphany.h (make_pass_mode_switch_use): Guard by not USED_FOR_TARGET. (make_pass_resolve_sw_modes): Likewise. 2018-01-08 Sebastian Huber * config/nios2/nios2.h (nios2_section_threshold): Guard by not USED_FOR_TARGET. 2018-01-08 Richard Biener PR middle-end/83580 * tree-data-ref.c (split_constant_offset): Remove STRIP_NOPS. 2018-01-08 Richard Biener PR middle-end/83517 * match.pd ((t * 2) / 2) -> t): Add missing :c. 2018-01-06 Aldy Hernandez PR middle-end/81897 * tree-ssa-uninit.c (compute_control_dep_chain): Do not bail on basic blocks with a small number of successors. (convert_control_dep_chain_into_preds): Improve handling of forwarder blocks. (dump_predicates): Split apart into... (dump_pred_chain): ...here... (dump_pred_info): ...and here. (can_one_predicate_be_invalidated_p): Add debugging printfs. (can_chain_union_be_invalidated_p): Improve check for invalidation of paths. (uninit_uses_cannot_happen): Avoid unnecessary if convert_control_dep_chain_into_preds yielded nothing. 2018-01-06 Martin Sebor PR tree-optimization/83640 * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Avoid subtracting negative offset from size. (builtin_access::overlap): Adjust offset bounds of the access to fall within the size of the object if possible. 2018-01-06 Richard Sandiford PR rtl-optimization/83699 * expmed.c (extract_bit_field_1): Restrict the vector usage of extract_bit_field_as_subreg to cases in which the extracted value is also a vector. * lra-constraints.c (process_alt_operands): Test for the equivalence substitutions when detecting a possible reload cycle. 2018-01-06 Jakub Jelinek PR debug/83480 * toplev.c (process_options): Don't enable debug_nonbind_markers_p by default if flag_selective_schedling{,2}. Formatting fixes. PR rtl-optimization/83682 * rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE if it has non-VECTOR_MODE element mode. (vec_duplicate_p): Likewise. PR middle-end/83694 * cfgexpand.c (expand_debug_expr): Punt if mode1 is VOIDmode and bitsize might be greater than MAX_BITSIZE_MODE_ANY_INT. 2018-01-05 Jakub Jelinek PR target/83604 * config/i386/i386-builtin.def (__builtin_ia32_vgf2p8affineinvqb_v64qi, __builtin_ia32_vgf2p8affineqb_v64qi, __builtin_ia32_vgf2p8mulb_v64qi): Require also OPTION_MASK_ISA_AVX512F in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8affineinvqb_v16qi_mask, __builtin_ia32_vgf2p8affineqb_v16qi_mask): Require OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_SSE in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8mulb_v32qi_mask): Require OPTION_MASK_ISA_AVX512VL in addition to OPTION_MASK_ISA_GFNI and OPTION_MASK_ISA_AVX512BW. (__builtin_ia32_vgf2p8mulb_v16qi_mask): Require OPTION_MASK_ISA_AVX512VL instead of OPTION_MASK_ISA_AVX512BW in addition to OPTION_MASK_ISA_GFNI. (__builtin_ia32_vgf2p8affineinvqb_v16qi, __builtin_ia32_vgf2p8affineqb_v16qi, __builtin_ia32_vgf2p8mulb_v16qi): Require OPTION_MASK_ISA_SSE2 instead of OPTION_MASK_ISA_SSE in addition to OPTION_MASK_ISA_GFNI. * config/i386/i386.c (def_builtin): Change to builtin isa/isa2 being a requirement for all ISAs rather than any of them with a few exceptions. (ix86_add_new_builtins): Clear OPTION_MASK_ISA_64BIT from isa before processing. (ix86_expand_builtin): Require all ISAs from builtin's isa and isa2 bitmasks to be enabled with 3 exceptions, instead of requiring any enabled ISA with lots of exceptions. * config/i386/sse.md (vgf2p8affineinvqb_, vgf2p8affineqb_, vgf2p8mulb_): Change avx512bw in isa attribute to avx512f. * config/i386/sgxintrin.h: Add license boilerplate. * config/i386/vaesintrin.h: Likewise. Fix macro spelling __AVX512F to __AVX512F__ and __AVX512VL to __AVX512VL__. (_mm256_aesdec_epi128, _mm256_aesdeclast_epi128, _mm256_aesenc_epi128, _mm256_aesenclast_epi128): Enable temporarily avx if __AVX__ is not defined. * config/i386/gfniintrin.h (_mm_gf2p8mul_epi8, _mm_gf2p8affineinv_epi64_epi8, _mm_gf2p8affine_epi64_epi8): Enable temporarily sse2 rather than sse if not enabled already. PR target/83604 * config/i386/sse.md (VI248_VLBW): Rename to ... (VI248_AVX512VL): ... this. Don't guard V32HI with TARGET_AVX512BW. (vpshrd_, vpshld_, vpshrdv_, vpshrdv__mask, vpshrdv__maskz, vpshrdv__maskz_1, vpshldv_, vpshldv__mask, vpshldv__maskz, vpshldv__maskz_1): Use VI248_AVX512VL mode iterator instead of VI248_VLBW. 2018-01-05 Jan Hubicka * ipa-fnsummary.c (record_modified_bb_info): Add OP. (record_modified): Skip clobbers; add debug output. (param_change_prob): Use sreal frequencies. 2018-01-05 Richard Sandiford * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't punt for user-aligned variables. 2018-01-05 Richard Sandiford * tree-chrec.c (chrec_contains_symbols): Return true for POLY_INT_CST. 2018-01-05 Sudakshina Das PR target/82439 * simplify-rtx.c (simplify_relational_operation_1): Add simplifications of (x|y) == x for BICS pattern. 2018-01-05 Jakub Jelinek PR tree-optimization/83605 * gimple-ssa-strength-reduction.c: Include tree-eh.h. (find_candidates_dom_walker::before_dom_children): Ignore stmts that can throw. 2018-01-05 Sebastian Huber * config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration. * config/epiphany/rtems.h: New file. 2018-01-04 Jakub Jelinek Uros Bizjak PR target/83554 * config/i386/i386.md (*hi3_1 splitter): Use QIreg_operand instead of register_operand predicate. * config/i386/i386.c (ix86_rop_should_change_byte_p, set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in comments instead of -fmitigate[-_]rop. 2018-01-04 Rainer Orth PR bootstrap/81926 * cgraphunit.c (symbol_table::compile): Switch to text_section before calling assembly_start debug hook. * run-rtl-passes.c (run_rtl_passes): Likewise. Include output.h. 2018-01-04 Richard Sandiford * tree-vrp.c (extract_range_from_binary_expr_1): Check range_int_cst_p rather than !symbolic_range_p before calling extract_range_from_multiplicative_op_1. 2018-01-04 Jeff Law * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Remove redundant test in assertion. 2018-01-04 Richard Sandiford * doc/rtl.texi: Document machine_mode wrapper classes. 2018-01-04 Richard Sandiford * fold-const.c (fold_ternary_loc): Check tree_fits_uhwi_p before using tree_to_uhwi. 2018-01-04 Richard Sandiford * tree-ssa-forwprop.c (is_combined_permutation_identity): Allow the VEC_PERM_EXPR fold to fail. 2018-01-04 Jakub Jelinek PR debug/83585 * bb-reorder.c (insert_section_boundary_note): Set has_bb_partition to switched_sections. 2018-01-04 Richard Sandiford PR target/83680 * config/arm/arm.c (arm_vectorize_vec_perm_const): Fix inverted test for d.testing. 2018-01-04 Peter Bergner PR target/83387 * config/rs6000/rs6000.c (rs6000_discover_homogeneous_aggregate): Do not allow arguments in FP registers if TARGET_HARD_FLOAT is false. 2018-01-04 Jakub Jelinek PR debug/83666 * cfgexpand.c (expand_debug_expr) : Punt if mode is BLKmode and bitpos not zero or mode change is needed. 2018-01-04 Richard Sandiford PR target/83675 * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Require TARGET_VIS2. 2018-01-04 Uros Bizjak PR target/83628 * config/alpha/alpha.md (*sadd): Use ASHIFT instead of MULT rtx. Update all corresponding splitters. (*saddl_se): Ditto. (*ssub): Ditto. (*ssubl_se): Ditto. (*cmp_sadd_di): Update split patterns. (*cmp_sadd_si): Ditto. (*cmp_sadd_sidi): Ditto. (*cmp_ssub_di): Ditto. (*cmp_ssub_si): Ditto. (*cmp_ssub_sidi): Ditto. * config/alpha/predicates.md (const23_operand): New predicate. * config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]: Look for ASHIFT, not MULT inner operand. (alpha_split_conditional_move): Update for *sadd change. 2018-01-04 Martin Liska PR gcov-profile/83669 * gcov.c (output_intermediate_file): Add version to intermediate gcov file. * doc/gcov.texi: Document new field 'version' in intermediate file format. Fix location of '-k' option of gcov command. 2018-01-04 Martin Liska PR ipa/82352 * ipa-icf.c (sem_function::merge): Do not cross comdat boundary. 2018-01-04 Jakub Jelinek * gimple-ssa-sprintf.c (parse_directive): Cast second dir.len to uhwi. 2018-01-03 Martin Sebor PR tree-optimization/83655 * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid checking calls with invalid arguments. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_get_store_rhs): New function. (vectorizable_mask_load_store): Delete. (vectorizable_call): Return false for masked loads and stores. (vectorizable_store): Handle IFN_MASK_STORE. Use vect_get_store_rhs instead of gimple_assign_rhs1. (vectorizable_load): Handle IFN_MASK_LOAD. (vect_transform_stmt): Don't set is_store for call_vec_info_type. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_build_gather_load_calls): New function, split out from.., (vectorizable_mask_load_store): ...here. (vectorizable_load): ...and here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_build_all_ones_mask) (vect_build_zero_merge_argument): New functions, split out from... (vectorizable_load): ...here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_check_store_rhs): New function, split out from... (vectorizable_mask_load_store): ...here. (vectorizable_store): ...and here. 2018-01-03 Richard Sandiford * tree-vect-stmts.c (vect_check_load_store_mask): New function, split out from... (vectorizable_mask_load_store): ...here. 2018-01-03 Richard Sandiford * tree-vectorizer.h (vec_load_store_type): Moved from tree-vec-stmts.c (vect_model_store_cost): Take a vec_load_store_type instead of a vect_def_type. * tree-vect-stmts.c (vec_load_store_type): Move to tree-vectorizer.h. (vect_model_store_cost): Take a vec_load_store_type instead of a vect_def_type. (vectorizable_mask_load_store): Update accordingly. (vectorizable_store): Likewise. * tree-vect-slp.c (vect_analyze_slp_cost_1): Update accordingly. 2018-01-03 Richard Sandiford * tree-vect-loop.c (vect_transform_loop): Stub out scalar IFN_MASK_LOAD calls here rather than... * tree-vect-stmts.c (vectorizable_mask_load_store): ...here. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expmed.c (extract_bit_field_1): For vector extracts, fall back to extract_bit_field_as_subreg if vec_extract isn't available. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * lra-spills.c (pseudo_reg_slot_compare): Sort slots by whether they are variable or constant sized. (assign_stack_slot_num_and_sort_pseudos): Don't reuse variable-sized slots for constant-sized data. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): When handling COND_EXPRs with boolean comparisons, try to find a better basis for the mask type than the boolean itself. 2018-01-03 Richard Sandiford * doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default is calculated and how it can be overridden. * genmodes.c (max_bitsize_mode_any_mode): New variable. (create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE, if defined. (emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE, if nonzero. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * config/aarch64/aarch64-protos.h (aarch64_output_simd_mov_immediate): Remove the mode argument. (aarch64_simd_valid_immediate): Remove the mode and inverse arguments. * config/aarch64/iterators.md (bitsize): New iterator. * config/aarch64/aarch64-simd.md (*aarch64_simd_mov, and3) (ior3): Update calls to aarch64_output_simd_mov_immediate. * config/aarch64/constraints.md (Do, Db, Dn): Update calls to aarch64_simd_valid_immediate. * config/aarch64/predicates.md (aarch64_reg_or_orr_imm): Likewise. (aarch64_reg_or_bic_imm): Likewise. * config/aarch64/aarch64.c (simd_immediate_info): Replace mvn with an insn_type enum and msl with a modifier_type enum. Replace element_width with a scalar_mode. Change the shift to unsigned int. Add constructors for scalar_float_mode and scalar_int_mode elements. (aarch64_vect_float_const_representable_p): Delete. (aarch64_can_const_movi_rtx_p) (aarch64_simd_scalar_immediate_valid_for_move) (aarch64_simd_make_constant): Update call to aarch64_simd_valid_immediate. (aarch64_advsimd_valid_immediate_hs): New function. (aarch64_advsimd_valid_immediate): Likewise. (aarch64_simd_valid_immediate): Remove mode and inverse arguments. Rewrite to use the above. Use const_vec_duplicate_p to detect duplicated constants and use aarch64_float_const_zero_rtx_p and aarch64_float_const_representable_p on the result. (aarch64_output_simd_mov_immediate): Remove mode argument. Update call to aarch64_simd_valid_immediate and use of simd_immediate_info. (aarch64_output_scalar_simd_mov_immediate): Update call accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_precision): Prefix with CONST_MODE_PRECISION. (mode_nunits): Likewise CONST_MODE_NUNITS. * machmode.def (ADJUST_NUNITS): Document. * genmodes.c (mode_data::need_nunits_adj): New field. (blank_mode): Update accordingly. (adj_nunits): New variable. (print_maybe_const_decl): Replace CATEGORY with a NEEDS_ADJ parameter. (emit_mode_size_inline): Set need_bytesize_adj for all modes listed in adj_nunits. (emit_mode_nunits_inline): Set need_nunits_adj for all modes listed in adj_nunits. Don't emit case statements for such modes. (emit_insn_modes_h): Emit definitions of CONST_MODE_NUNITS and CONST_MODE_PRECISION. Make CONST_MODE_SIZE expand to nothing if adj_nunits is nonnull. (emit_mode_precision, emit_mode_nunits): Use print_maybe_const_decl. (emit_mode_unit_size, emit_mode_base_align, emit_mode_ibit) (emit_mode_fbit): Update use of print_maybe_const_decl. (emit_move_size): Likewise. Treat the array as non-const if adj_nunits. (emit_mode_adjustments): Handle adj_nunits. 2018-01-03 Richard Sandiford * machmode.def (VECTOR_MODES_WITH_PREFIX): Document. * genmodes.c (VECTOR_MODES_WITH_PREFIX): New macro. (VECTOR_MODES): Use it. (make_vector_modes): Take the prefix as an argument. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * mode-classes.def (MODE_VECTOR_BOOL): New mode class. * machmode.h (INTEGRAL_MODE_P, VECTOR_MODE_P): Return true for MODE_VECTOR_BOOL. * machmode.def (VECTOR_BOOL_MODE): Document. * genmodes.c (VECTOR_BOOL_MODE): New macro. (make_vector_bool_mode): New function. (complete_mode, emit_mode_wider, emit_mode_adjustments): Handle MODE_VECTOR_BOOL. * lto-streamer-in.c (lto_input_mode_table): Likewise. * rtx-vector-builder.c (rtx_vector_builder::find_cached_value): Likewise. * stor-layout.c (int_mode_for_mode): Likewise. * tree.c (build_vector_type_for_mode): Likewise. * varasm.c (output_constant_pool_2): Likewise. * emit-rtl.c (init_emit_once): Make sure that CONST1_RTX (BImode) and CONSTM1_RTX (BImode) are the same thing. Initialize const_tiny_rtx for MODE_VECTOR_BOOL. * expr.c (expand_expr_real_1): Use VECTOR_MODE_P instead of a list of mode class checks. * tree-vect-generic.c (expand_vector_operation): Use VECTOR_MODE_P instead of a list of mode class checks. (expand_vector_scalar_condition): Likewise. (type_for_widest_vector_mode): Handle BImode as an inner mode. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_size): Change from unsigned short to poly_uint16_pod. (mode_to_bytes): Return a poly_uint16 rather than an unsigned short. (GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. (fixed_size_mode::includes_p): Check for constant-sized modes. * genmodes.c (emit_mode_size_inline): Make mode_size_inline return a poly_uint16 rather than an unsigned short. (emit_mode_size): Change the type of mode_size from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the initializer. (emit_mode_adjustments): Cope with polynomial vector sizes. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_SIZE. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_SIZE. * auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial. * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise. * caller-save.c (setup_save_areas): Likewise. (replace_reg_with_saved_mem): Likewise. * calls.c (emit_library_call_value_1): Likewise. * combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise. * combine.c (simplify_set, make_extraction, simplify_shift_const_1) (gen_lowpart_for_combine): Likewise. * convert.c (convert_to_integer_1): Likewise. * cse.c (equiv_constant, cse_insn): Likewise. * cselib.c (autoinc_split, cselib_hash_rtx): Likewise. (cselib_subst_to_values): Likewise. * dce.c (word_dce_process_block): Likewise. * df-problems.c (df_word_lr_mark_ref): Likewise. * dwarf2cfi.c (init_one_dwarf_reg_size): Likewise. * dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor) (concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor) (rtl_for_decl_location): Likewise. * emit-rtl.c (gen_highpart, widen_memory_access): Likewise. * expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise. * expr.c (emit_group_load_1, clear_storage_hints): Likewise. (emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise. (expand_expr_real_1): Likewise. * function.c (assign_parm_setup_block_p, assign_parm_setup_block) (pad_below): Likewise. * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise. * gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise. * ira.c (get_subreg_tracking_sizes): Likewise. * ira-build.c (ira_create_allocno_objects): Likewise. * ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise. (ira_sort_regnos_for_alter_reg): Likewise. * ira-costs.c (record_operand_costs): Likewise. * lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn) (resolve_simple_move): Likewise. * lra-constraints.c (get_reload_reg, operands_match_p): Likewise. (process_addr_reg, simplify_operand_subreg, curr_insn_transform) (lra_constraints): Likewise. (CONST_POOL_OK_P): Reject variable-sized modes. * lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare) (add_pseudo_to_slot, lra_spill): Likewise. * omp-low.c (omp_clause_aligned_alignment): Likewise. * optabs-query.c (get_best_extraction_insn): Likewise. * optabs-tree.c (expand_vec_cond_expr_p): Likewise. * optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise. (expand_mult_highpart, valid_multiword_target_p): Likewise. * recog.c (offsettable_address_addr_space_p): Likewise. * regcprop.c (maybe_mode_change): Likewise. * reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise. * regrename.c (build_def_use): Likewise. * regstat.c (dump_reg_info): Likewise. * reload.c (complex_word_subreg_p, push_reload, find_dummy_reload) (find_reloads, find_reloads_subreg_address): Likewise. * reload1.c (eliminate_regs_1): Likewise. * rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise. * simplify-rtx.c (avoid_constant_pool_reference): Likewise. (simplify_binary_operation_1, simplify_subreg): Likewise. * targhooks.c (default_function_arg_padding): Likewise. (default_hard_regno_nregs, default_class_max_nregs): Likewise. * tree-cfg.c (verify_gimple_assign_binary): Likewise. (verify_gimple_assign_ternary): Likewise. * tree-inline.c (estimate_move_cost): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise. (get_address_cost_ainc): Likewise. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise. (vect_supportable_dr_alignment): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (vectorizable_reduction): Likewise. * tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift) (vectorizable_operation, vectorizable_load): Likewise. * tree.c (build_same_sized_truth_vector_type): Likewise. * valtrack.c (cleanup_auto_inc_dec): Likewise. * var-tracking.c (emit_note_insn_var_location): Likewise. * config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a . (ADDR_VEC_ALIGN): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_to_bits): Return a poly_uint16 rather than an unsigned short. (GET_MODE_BITSIZE): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is polynomial. * calls.c (shift_return_value): Treat GET_MODE_BITSIZE as polynomial. * combine.c (make_extraction): Likewise. * dse.c (find_shift_sequence): Likewise. * dwarf2out.c (mem_loc_descriptor): Likewise. * expmed.c (store_integral_bit_field, extract_bit_field_1): Likewise. (extract_bit_field, extract_low_bits): Likewise. * expr.c (convert_move, convert_modes, emit_move_insn_1): Likewise. (optimize_bitfield_assignment_op, expand_assignment): Likewise. (store_expr_with_bounds, store_field, expand_expr_real_1): Likewise. * fold-const.c (optimize_bit_field_compare, merge_ranges): Likewise. * gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (alter_reg): Likewise. * stor-layout.c (bitwise_mode_for_mode, compute_record_mode): Likewise. * targhooks.c (default_secondary_memory_needed_mode): Likewise. * tree-if-conv.c (predicate_mem_writes): Likewise. * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise. * tree-vect-patterns.c (adjust_bool_pattern): Likewise. * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise. * valtrack.c (dead_debug_insert_temp): Likewise. * varasm.c (mergeable_constant_section): Likewise. * config/sh/sh.h (LOCAL_ALIGNMENT): Use as_a . 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_assignment): Cope with polynomial mode sizes when assigning to a CONCAT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_precision): Change from unsigned short to poly_uint16_pod. (mode_to_precision): Return a poly_uint16 rather than an unsigned short. (GET_MODE_PRECISION): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. (HWI_COMPUTABLE_MODE_P): Turn into a function. Optimize the case in which the mode is already known to be a scalar_int_mode. * genmodes.c (emit_mode_precision): Change the type of mode_precision from unsigned short to poly_uint16_pod. Use ZERO_COEFFS for the initializer. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_PRECISION. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_PRECISION. * combine.c (update_rsp_from_reg_equal): Treat GET_MODE_PRECISION as polynomial. (try_combine, find_split_point, combine_simplify_rtx): Likewise. (expand_field_assignment, make_extraction): Likewise. (make_compound_operation_int, record_dead_and_set_regs_1): Likewise. (get_last_value): Likewise. * convert.c (convert_to_integer_1): Likewise. * cse.c (cse_insn): Likewise. * expr.c (expand_expr_real_1): Likewise. * lra-constraints.c (simplify_operand_subreg): Likewise. * optabs-query.c (can_atomic_load_p): Likewise. * optabs.c (expand_atomic_load): Likewise. (expand_atomic_store): Likewise. * ree.c (combine_reaching_defs): Likewise. * rtl.h (partial_subreg_p, paradoxical_subreg_p): Likewise. * rtlanal.c (nonzero_bits1, lsb_bitfield_op_p): Likewise. * tree.h (type_has_mode_precision_p): Likewise. * ubsan.c (instrument_si_overflow): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree.h (TYPE_VECTOR_SUBPARTS): Turn into a function and handle polynomial numbers of units. (SET_TYPE_VECTOR_SUBPARTS): Likewise. (valid_vector_subparts_p): New function. (build_vector_type): Remove temporary shim and take the number of units as a poly_uint64 rather than an int. (build_opaque_vector_type): Take the number of units as a poly_uint64 rather than an int. * tree.c (build_vector_from_ctor): Handle polynomial TYPE_VECTOR_SUBPARTS. (type_hash_canon_hash, type_cache_hasher::equal): Likewise. (uniform_vector_p, vector_type_mode, build_vector): Likewise. (build_vector_from_val): If the number of units is variable, use build_vec_duplicate_cst for constant operands and VEC_DUPLICATE_EXPR otherwise. (make_vector_type): Remove temporary is_constant (). (build_vector_type, build_opaque_vector_type): Take the number of units as a poly_uint64 rather than an int. (check_vector_cst): Handle polynomial TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS. * cfgexpand.c (expand_debug_expr): Likewise. * expr.c (count_type_elements, categorize_ctor_elements_1): Likewise. (store_constructor, expand_expr_real_1): Likewise. (const_scalar_mask_from_tree): Likewise. * fold-const-call.c (fold_const_reduction): Likewise. * fold-const.c (const_binop, const_unop, fold_convert_const): Likewise. (operand_equal_p, fold_vec_perm, fold_ternary_loc): Likewise. (native_encode_vector, vec_cst_ctor_to_array): Likewise. (fold_relational_const): Likewise. (native_interpret_vector): Likewise. Change the size from an int to an unsigned int. * gimple-fold.c (gimple_fold_stmt_to_constant_1): Handle polynomial TYPE_VECTOR_SUBPARTS. (gimple_fold_indirect_ref, gimple_build_vector): Likewise. (gimple_build_vector_from_val): Use VEC_DUPLICATE_EXPR when duplicating a non-constant operand into a variable-length vector. * hsa-brig.c (hsa_op_immed::emit_to_buffer): Handle polynomial TYPE_VECTOR_SUBPARTS and VECTOR_CST_NELTS. * ipa-icf.c (sem_variable::equals): Likewise. * match.pd: Likewise. * omp-simd-clone.c (simd_clone_subparts): Likewise. * print-tree.c (print_node): Likewise. * stor-layout.c (layout_type): Likewise. * targhooks.c (default_builtin_vectorization_cost): Likewise. * tree-cfg.c (verify_gimple_comparison): Likewise. (verify_gimple_assign_binary): Likewise. (verify_gimple_assign_ternary): Likewise. (verify_gimple_assign_single): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. (simplify_bitfield_ref, is_combined_permutation_identity): Likewise. * tree-vect-data-refs.c (vect_permute_store_chain): Likewise. (vect_grouped_load_supported, vect_permute_load_chain): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-generic.c (nunits_for_known_piecewise_op): Likewise. (expand_vector_condition, optimize_vector_constructor): Likewise. (lower_vec_perm, get_compute_type): Likewise. * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise. (get_initial_defs_for_reduction, vect_transform_loop): Likewise. * tree-vect-patterns.c (vect_recog_bool_pattern): Likewise. (vect_recog_mask_conversion_pattern): Likewise. * tree-vect-slp.c (vect_supported_load_permutation_p): Likewise. (vect_get_constant_vectors, vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (get_group_load_store_type, vectorizable_mask_load_store): Likewise. (vectorizable_bswap, simd_clone_subparts, vectorizable_assignment) (vectorizable_shift, vectorizable_operation, vectorizable_store) (vectorizable_load, vect_is_simple_cond, vectorizable_comparison) (supportable_widening_operation): Likewise. (supportable_narrowing_operation): Likewise. * tree-vector-builder.c (tree_vector_builder::binary_encoded_nelts): Likewise. * varasm.c (output_constant): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_permute_store_chain): Reorganize so that both the length == 3 and length != 3 cases set up their own permute vectors. Add comments explaining why we know the number of elements is constant. (vect_permute_load_chain): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * machmode.h (mode_nunits): Change from unsigned char to poly_uint16_pod. (ONLY_FIXED_SIZE_MODES): New macro. (pod_mode::measurement_type, scalar_int_mode::measurement_type) (scalar_float_mode::measurement_type, scalar_mode::measurement_type) (complex_mode::measurement_type, fixed_size_mode::measurement_type): New typedefs. (mode_to_nunits): Return a poly_uint16 rather than an unsigned short. (GET_MODE_NUNITS): Return a constant if ONLY_FIXED_SIZE_MODES, or if measurement_type is not polynomial. * genmodes.c (ZERO_COEFFS): New macro. (emit_mode_nunits_inline): Make mode_nunits_inline return a poly_uint16. (emit_mode_nunits): Change the type of mode_nunits to poly_uint16_pod. Use ZERO_COEFFS when emitting initializers. * data-streamer.h (bp_pack_poly_value): New function. (bp_unpack_poly_value): Likewise. * lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value for GET_MODE_NUNITS. * lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value for GET_MODE_NUNITS. * tree.c (make_vector_type): Remove temporary shim and make the real function take the number of units as a poly_uint64 rather than an int. (build_vector_type_for_mode): Handle polynomial nunits. * dwarf2out.c (loc_descriptor, add_const_value_attribute): Likewise. * emit-rtl.c (const_vec_series_p_1): Likewise. (gen_rtx_CONST_VECTOR): Likewise. * fold-const.c (test_vec_duplicate_folding): Likewise. * genrecog.c (validate_pattern): Likewise. * optabs-query.c (can_vec_perm_var_p, can_mult_highpart_p): Likewise. * optabs-tree.c (expand_vec_cond_expr_p): Likewise. * optabs.c (expand_vector_broadcast, expand_binop_directly): Likewise. (shift_amt_for_vec_perm_mask, expand_vec_perm_var): Likewise. (expand_vec_cond_expr, expand_mult_highpart): Likewise. * rtlanal.c (subreg_get_info): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_grouped_load_supported): Likewise. * tree-vect-generic.c (type_for_widest_vector_mode): Likewise. * tree-vect-loop.c (have_whole_vector_shift): Likewise. * simplify-rtx.c (simplify_unary_operation_1): Likewise. (simplify_const_unary_operation, simplify_binary_operation_1) (simplify_const_binary_operation, simplify_ternary_operation) (test_vector_ops_duplicate, test_vector_ops): Likewise. (simplify_immed_subreg): Use GET_MODE_NUNITS on a fixed_size_mode instead of CONST_VECTOR_NUNITS. * varasm.c (output_constant_pool_2): Likewise. * rtx-vector-builder.c (rtx_vector_builder::build): Only include the explicit-encoded elements in the XVEC for variable-length vectors. 2018-01-03 Richard Sandiford * lra-constraints.c (curr_insn_transform): Use partial_subreg_p. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * coretypes.h (fixed_size_mode): Declare. (fixed_size_mode_pod): New typedef. * builtins.h (target_builtins::x_apply_args_mode) (target_builtins::x_apply_result_mode): Change type to fixed_size_mode_pod. * builtins.c (apply_args_size, apply_result_size, result_vector) (expand_builtin_apply_args_1, expand_builtin_apply) (expand_builtin_return): Update accordingly. 2018-01-03 Richard Sandiford * cse.c (hash_rtx_cb): Hash only the encoded elements. * cselib.c (cselib_hash_rtx): Likewise. * expmed.c (make_tree): Build VECTOR_CSTs directly from the CONST_VECTOR encoding. 2018-01-03 Jakub Jelinek Jeff Law PR target/83641 * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): For noreturn probe, use gen_pop instead of ix86_emit_restore_reg_using_pop, only set RTX_FRAME_RELATED_P on both the push and pop if cfa_reg is sp and add REG_CFA_ADJUST_CFA notes in that case to both insns. PR target/83641 * config/i386/i386.c (ix86_adjust_stack_and_probe_stack_clash): Do not explicitly probe *sp in a noreturn function if there were any callee register saves or frame pointer is needed. 2018-01-03 Jakub Jelinek PR debug/83621 * cfgexpand.c (expand_debug_expr): Return NULL if mode is BLKmode for ternary, binary or unary expressions. PR debug/83645 * var-tracking.c (delete_vta_debug_insn): New inline function. (delete_vta_debug_insns): Add USE_CFG argument, if true, walk just insns from get_insns () to NULL instead of each bb separately. Use delete_vta_debug_insn. No longer static. (vt_debug_insns_local, variable_tracking_main_1): Adjust delete_vta_debug_insns callers. * rtl.h (delete_vta_debug_insns): Declare. * final.c (rest_of_handle_final): Call delete_vta_debug_insns instead of variable_tracking_main. 2018-01-03 Martin Sebor PR tree-optimization/83603 * calls.c (maybe_warn_nonstring_arg): Avoid accessing function arguments past the endof the argument list in functions declared without a prototype. * gimple-ssa-warn-restrict.c (wrestrict_dom_walker::check_call): Avoid checking when arguments are null. 2018-01-03 Martin Sebor PR c/83559 * doc/extend.texi (attribute const): Fix a typo. * ipa-pure-const.c ((warn_function_const, warn_function_pure): Avoid issuing -Wsuggest-attribute for void functions. 2018-01-03 Martin Sebor * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Use offset_int::from instead of wide_int::to_shwi. (maybe_diag_overlap): Remove assertion. Use HOST_WIDE_INT_PRINT_DEC instead of %lli. * gimple-ssa-sprintf.c (format_directive): Same. (parse_directive): Same. (sprintf_dom_walker::compute_format_length): Same. (try_substitute_return_value): Same. 2018-01-03 Jeff Law PR middle-end/83654 * explow.c (anti_adjust_stack_and_probe_stack_clash): Test a non-constant residual for zero at runtime and avoid probing in that case. Reorganize code for trailing problem to mirror handling of the residual. 2018-01-03 Prathamesh Kulkarni PR tree-optimization/83501 * tree-ssa-strlen.c (get_string_cst): New. (handle_char_store): Call get_string_cst. 2018-01-03 Martin Liska PR tree-optimization/83593 * tree-ssa-strlen.c: Include tree-cfg.h. (strlen_check_and_optimize_stmt): Add new argument cleanup_eh. (strlen_dom_walker): Add new member variable m_cleanup_cfg. (strlen_dom_walker::strlen_dom_walker): Initialize m_cleanup_cfg to false. (strlen_dom_walker::before_dom_children): Call gimple_purge_dead_eh_edges. Dump tranformation with details dump flags. (strlen_dom_walker::before_dom_children): Update call by adding new argument cleanup_eh. (pass_strlen::execute): Return TODO_cleanup_cfg if needed. 2018-01-03 Martin Liska PR ipa/83549 * cif-code.def (VARIADIC_THUNK): New enum value. * ipa-fnsummary.c (compute_fn_summary): Do not inline variadic thunks. 2018-01-03 Jan Beulich * sse.md (mov_internal): Tighten condition for when to use vmovdqu for TI and OI modes. 2018-01-03 Jakub Jelinek Update copyright years. 2018-01-03 Martin Liska PR ipa/83594 * ipa-visibility.c (function_and_variable_visibility): Skip functions with noipa attribure. 2018-01-03 Jakub Jelinek * gcc.c (process_command): Update copyright notice dates. * gcov-dump.c (print_version): Ditto. * gcov.c (print_version): Ditto. * gcov-tool.c (print_version): Ditto. * gengtype.c (create_file): Ditto. * doc/cpp.texi: Bump @copying's copyright year. * doc/cppinternals.texi: Ditto. * doc/gcc.texi: Ditto. * doc/gccint.texi: Ditto. * doc/gcov.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. 2018-01-03 Richard Sandiford * vector-builder.h (vector_builder::m_full_nelts): Change from unsigned int to poly_uint64. (vector_builder::full_nelts): Update prototype accordingly. (vector_builder::new_vector): Likewise. (vector_builder::encoded_full_vector_p): Handle polynomial full_nelts. (vector_builder::operator ==): Likewise. (vector_builder::finalize): Likewise. * int-vector-builder.h (int_vector_builder::int_vector_builder): Take the number of elements as a poly_uint64 rather than an unsigned int. * vec-perm-indices.h (vec_perm_indices::m_nelts_per_input): Change from unsigned int to poly_uint64. (vec_perm_indices::vec_perm_indices): Update prototype accordingly. (vec_perm_indices::new_vector): Likewise. (vec_perm_indices::length): Likewise. (vec_perm_indices::nelts_per_input): Likewise. (vec_perm_indices::input_nelts): Likewise. * vec-perm-indices.c (vec_perm_indices::new_vector): Take the number of elements per input as a poly_uint64 rather than an unsigned int. Use the original encoding for variable-length vectors, rather than clamping each individual element. For the second and subsequent elements in each pattern, clamp the step and base before clamping their sum. (vec_perm_indices::series_p): Handle polynomial element counts. (vec_perm_indices::all_in_range_p): Likewise. (vec_perm_indices_to_tree): Likewise. (vec_perm_indices_to_rtx): Likewise. * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise. * tree-vector-builder.c (tree_vector_builder::new_unary_operation) (tree_vector_builder::new_binary_operation): Handle polynomial element counts. Return false if we need to know the number of elements at compile time. * fold-const.c (fold_vec_perm): Punt if the number of elements isn't known at compile time. 2018-01-03 Richard Sandiford * vec-perm-indices.h (vec_perm_builder): Change element type from HOST_WIDE_INT to poly_int64. (vec_perm_indices::element_type): Update accordingly. (vec_perm_indices::clamp): Handle polynomial element_types. * vec-perm-indices.c (vec_perm_indices::series_p): Likewise. (vec_perm_indices::all_in_range_p): Likewise. (tree_to_vec_perm_builder): Check for poly_int64 trees rather than shwi trees. * vector-builder.h (vector_builder::stepped_sequence_p): Handle polynomial vec_perm_indices element types. * int-vector-builder.h (int_vector_builder::equal_p): Likewise. * fold-const.c (fold_vec_perm): Likewise. * optabs.c (shift_amt_for_vec_perm_mask): Likewise. * tree-vect-generic.c (lower_vec_perm): Likewise. * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise. * config/aarch64/aarch64.c (aarch64_evpc_tbl): Cast d->perm element type to HOST_WIDE_INT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * alias.c (addr_side_effect_eval): Take the size as a poly_int64 rather than an int. Use plus_constant. (memrefs_conflict_p): Take the sizes as poly_int64s rather than ints. Take the offset "c" as a poly_int64 rather than a HOST_WIDE_INT. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * calls.c (emit_call_1, expand_call): Change struct_value_size from a HOST_WIDE_INT to a poly_int64. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * calls.c (load_register_parameters): Cope with polynomial mode sizes. Require a constant size for BLKmode parameters that aren't described by a PARALLEL. If BLOCK_REG_PADDING forces a parameter to be padded at the lsb end in order to fill a complete number of words, require the parameter size to be ordered wrt UNITS_PER_WORD. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * reload1.c (spill_stack_slot_width): Change element type from unsigned int to poly_uint64_pod. (alter_reg): Treat mode sizes as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * reload.c (complex_word_subreg_p): New function. (reload_inner_reg_of_subreg, push_reload): Use it. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * lra-constraints.c (process_alt_operands): Reject matched operands whose sizes aren't ordered. (match_reload): Refer to this check here. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * builtins.c (expand_ifn_atomic_compare_exchange_into_call): Assert that the mode size is in the set {1, 2, 4, 8, 16}. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * var-tracking.c (adjust_mems): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * config/cr16/cr16-protos.h (cr16_push_rounding): Declare. * config/cr16/cr16.h (PUSH_ROUNDING): Move implementation to... * config/cr16/cr16.c (cr16_push_rounding): ...this new function. * config/h8300/h8300-protos.h (h8300_push_rounding): Declare. * config/h8300/h8300.h (PUSH_ROUNDING): Move implementation to... * config/h8300/h8300.c (h8300_push_rounding): ...this new function. * config/i386/i386-protos.h (ix86_push_rounding): Declare. * config/i386/i386.h (PUSH_ROUNDING): Move implementation to... * config/i386/i386.c (ix86_push_rounding): ...this new function. * config/m32c/m32c-protos.h (m32c_push_rounding): Take and return a poly_int64. * config/m32c/m32c.c (m32c_push_rounding): Likewise. * config/m68k/m68k-protos.h (m68k_push_rounding): Declare. * config/m68k/m68k.h (PUSH_ROUNDING): Move implementation to... * config/m68k/m68k.c (m68k_push_rounding): ...this new function. * config/pdp11/pdp11-protos.h (pdp11_push_rounding): Declare. * config/pdp11/pdp11.h (PUSH_ROUNDING): Move implementation to... * config/pdp11/pdp11.c (pdp11_push_rounding): ...this new function. * config/stormy16/stormy16-protos.h (xstormy16_push_rounding): Declare. * config/stormy16/stormy16.h (PUSH_ROUNDING): Move implementation to... * config/stormy16/stormy16.c (xstormy16_push_rounding): ...this new function. * expr.c (emit_move_resolve_push): Treat the input and result of PUSH_ROUNDING as a poly_int64. (emit_move_complex_push, emit_single_push_insn_1): Likewise. (emit_push_insn): Likewise. * lra-eliminations.c (mark_not_eliminable): Likewise. * recog.c (push_operand): Likewise. * reload1.c (elimination_effects): Likewise. * rtlanal.c (nonzero_bits1): Likewise. * calls.c (store_one_arg): Likewise. Require the padding to be known at compile time. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial. Use plus_constant instead of gen_rtx_PLUS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64 rather than an int. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_real_1): Use tree_to_poly_uint64 instead of int_size_in_bytes when handling VIEW_CONVERT_EXPRs via stack temporaries. Treat the mode size as polynomial too. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * expr.c (expand_expr_real_2): When handling conversions involving unions, apply tree_to_poly_uint64 to the TYPE_SIZE rather than multiplying int_size_in_bytes by BITS_PER_UNIT. Treat GET_MODE_BISIZE as a poly_uint64 too. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * rtlanal.c (subreg_get_info): Handle polynomial mode sizes. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * combine.c (can_change_dest_mode): Handle polynomial REGMODE_NATURAL_SIZE. * expmed.c (store_bit_field_1): Likewise. * expr.c (store_constructor): Likewise. * emit-rtl.c (validate_subreg): Operate on polynomial mode sizes and polynomial REGMODE_NATURAL_SIZE. (gen_lowpart_common): Likewise. * reginfo.c (record_subregs_of_mode): Likewise. * rtlanal.c (read_modify_subreg_p): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * internal-fn.c (expand_vector_ubsan_overflow): Handle polynomial numbers of elements. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * match.pd: Cope with polynomial numbers of vector elements. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * fold-const.c (fold_indirect_ref_1): Handle polynomial offsets in a POINTER_PLUS_EXPR. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * omp-simd-clone.c (simd_clone_subparts): New function. (simd_clone_init_simd_arrays): Use it instead of TYPE_VECTOR_SUBPARTS. (ipa_simd_modify_function_body): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-generic.c (nunits_for_known_piecewise_op): New function. (expand_vector_piecewise): Use it instead of TYPE_VECTOR_SUBPARTS. (expand_vector_addition, add_rshift, expand_vector_divmod): Likewise. (expand_vector_condition, vector_element): Likewise. (subparts_gt): New function. (get_compute_type): Use subparts_gt. (count_type_subparts): Delete. (expand_vector_operations_1): Use subparts_gt instead of count_type_subparts. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vect_no_alias_p): Replace with... (vect_compile_time_alias): ...this new function. Do the calculation on poly_ints rather than trees. (vect_prune_runtime_alias_test_list): Update call accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_build_slp_tree_1): Handle polynomial numbers of units. (vect_schedule_slp_instance): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_get_and_check_slp_defs): Reject constant and extern definitions for variable-length vectors. (vect_get_constant_vectors): Note that the number of units is known to be constant. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (vectorizable_conversion): Treat the number of units as polynomial. Choose between WIDE and NARROW based on multiple_p. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (simd_clone_subparts): New function. (vectorizable_simd_clone_call): Use it instead of TYPE_VECTOR_SUBPARTS. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (vectorizable_call): Treat the number of vectors as polynomial. Use build_index_vector for IFN_GOMP_SIMD_LANE. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-stmts.c (get_load_store_type): Treat the number of units as polynomial. Reject VMAT_ELEMENTWISE and VMAT_STRIDED_SLP for variable-length vectors. (vectorizable_mask_load_store): Treat the number of units as polynomial, asserting that it is constant if the condition has already been enforced. (vectorizable_store, vectorizable_load): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vectorizable_live_operation): Treat the number of units as polynomial. Punt if we can't tell at compile time which vector contains the final result. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-loop.c (vectorizable_induction): Treat the number of units as polynomial. Punt on SLP inductions. Use an integer VEC_SERIES_EXPR for variable-length integer reductions. Use a cast of such a series for variable-length floating-point reductions. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree.h (build_index_vector): Declare. * tree.c (build_index_vector): New function. * tree-vect-loop.c (get_initial_defs_for_reduction): Treat the number of units as polynomial, forcibly converting it to a constant if vectorizable_reduction has already enforced the condition. (vect_create_epilog_for_reduction): Likewise. Use build_index_vector to create a {1,2,3,...} vector. (vectorizable_reduction): Treat the number of units as polynomial. Choose vectype_in based on the largest scalar element size rather than the smallest number of units. Enforce the restrictions relied on above. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the number of units as polynomial. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * target.h (vector_sizes, auto_vector_sizes): New typedefs. * target.def (autovectorize_vector_sizes): Return the vector sizes by pointer, using vector_sizes rather than a bitmask. * targhooks.h (default_autovectorize_vector_sizes): Update accordingly. * targhooks.c (default_autovectorize_vector_sizes): Likewise. * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Likewise. * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise. * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise. * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise. * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise. * omp-general.c (omp_max_vf): Likewise. * omp-low.c (omp_clause_aligned_alignment): Likewise. * optabs-query.c (can_vec_mask_load_store_p): Likewise. * tree-vect-loop.c (vect_analyze_loop): Likewise. * tree-vect-slp.c (vect_slp_bb): Likewise. * doc/tm.texi: Regenerate. * tree-vectorizer.h (current_vector_size): Change from an unsigned int to a poly_uint64. * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Take the vector size as a poly_uint64 rather than an unsigned int. (current_vector_size): Change from an unsigned int to a poly_uint64. (get_vectype_for_scalar_type): Update accordingly. * tree.h (build_truth_vector_type): Take the size and number of units as a poly_uint64 rather than an unsigned int. (build_vector_type): Add a temporary overload that takes the number of units as a poly_uint64 rather than an unsigned int. * tree.c (make_vector_type): Likewise. (build_truth_vector_type): Take the number of units as a poly_uint64 rather than an unsigned int. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * target.def (get_mask_mode): Take the number of units and length as poly_uint64s rather than unsigned ints. * targhooks.h (default_get_mask_mode): Update accordingly. * targhooks.c (default_get_mask_mode): Likewise. * config/i386/i386.c (ix86_get_mask_mode): Likewise. * doc/tm.texi: Regenerate. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * omp-general.h (omp_max_vf): Return a poly_uint64 instead of an int. * omp-general.c (omp_max_vf): Likewise. * omp-expand.c (omp_adjust_chunk_size): Update call to omp_max_vf. (expand_omp_simd): Handle polynomial safelen. * omp-low.c (omplow_simd_context): Add a default constructor. (omplow_simd_context::max_vf): Change from int to poly_uint64. (lower_rec_simd_input_clauses): Update accordingly. (lower_rec_input_clauses): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (vect_nunits_for_cost): New function. * tree-vect-loop.c (vect_model_reduction_cost): Use it. * tree-vect-slp.c (vect_analyze_slp_cost_1): Likewise. (vect_analyze_slp_cost): Likewise. * tree-vect-stmts.c (vect_model_store_cost): Likewise. (vect_model_load_cost): Likewise. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vect-slp.c (vect_record_max_nunits, vect_build_slp_tree_1) (vect_build_slp_tree_2, vect_build_slp_tree): Change max_nunits from an unsigned int * to a poly_uint64_pod *. (calculate_unrolling_factor): New function. (vect_analyze_slp_instance): Use it. Track polynomial max_nunits. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * tree-vectorizer.h (_slp_instance::unrolling_factor): Change from an unsigned int to a poly_uint64. (_loop_vec_info::slp_unrolling_factor): Likewise. (_loop_vec_info::vectorization_factor): Change from an int to a poly_uint64. (MAX_VECTORIZATION_FACTOR): Bump from 64 to INT_MAX. (vect_get_num_vectors): New function. (vect_update_max_nunits, vect_vf_for_cost): Likewise. (vect_get_num_copies): Use vect_get_num_vectors. (vect_analyze_data_ref_dependences): Change max_vf from an int * to an unsigned int *. (vect_analyze_data_refs): Change min_vf from an int * to a poly_uint64 *. (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather than an unsigned HOST_WIDE_INT. * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr) (vect_analyze_data_ref_dependence): Change max_vf from an int * to an unsigned int *. (vect_analyze_data_ref_dependences): Likewise. (vect_compute_data_ref_alignment): Handle polynomial vf. (vect_enhance_data_refs_alignment): Likewise. (vect_prune_runtime_alias_test_list): Likewise. (vect_shift_permute_load_chain): Likewise. (vect_supportable_dr_alignment): Likewise. (dependence_distance_ge_vf): Take the vectorization factor as a poly_uint64 rather than an unsigned HOST_WIDE_INT. (vect_analyze_data_refs): Change min_vf from an int * to a poly_uint64 *. * tree-vect-loop-manip.c (vect_gen_scalar_loop_niters): Take vfm1 as a poly_uint64 rather than an int. Make the same change for the returned bound_scalar. (vect_gen_vector_loop_niters): Handle polynomial vf. (vect_do_peeling): Likewise. Update call to vect_gen_scalar_loop_niters and handle polynomial bound_scalars. (vect_gen_vector_loop_niters_mult_vf): Assert that the vf must be constant. * tree-vect-loop.c (vect_determine_vectorization_factor) (vect_update_vf_for_slp, vect_analyze_loop_2): Handle polynomial vf. (vect_get_known_peeling_cost): Likewise. (vect_estimate_min_profitable_iters, vectorizable_reduction): Likewise. (vect_worthwhile_without_simd_p, vectorizable_induction): Likewise. (vect_transform_loop): Likewise. Use the lowest possible VF when updating the upper bounds of the loop. (vect_min_worthwhile_factor): Make static. Return an unsigned int rather than an int. * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Cope with polynomial unroll factors. (vect_analyze_slp_cost_1, vect_analyze_slp_instance): Likewise. (vect_make_slp_decision): Likewise. (vect_supported_load_permutation_p): Likewise, and polynomial vf too. (vect_analyze_slp_cost): Handle polynomial vf. (vect_slp_analyze_node_operations): Likewise. (vect_slp_analyze_bb_1): Likewise. (vect_transform_slp_perm_load): Take the vf as a poly_uint64 rather than an unsigned HOST_WIDE_INT. * tree-vect-stmts.c (vectorizable_simd_clone_call, vectorizable_store) (vectorizable_load): Handle polynomial vf. * tree-vectorizer.c (simduid_to_vf::vf): Change from an int to a poly_uint64. (adjust_simduid_builtins, shrink_simd_arrays): Update accordingly. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * match.pd: Handle bit operations involving three constants and try to fold one pair. 2018-01-03 Richard Sandiford * tree-vect-loop-manip.c: Include gimple-fold.h. (slpeel_make_loop_iterate_ntimes): Add step, final_iv and niters_maybe_zero parameters. Handle other cases besides a step of 1. (vect_gen_vector_loop_niters): Add a step_vector_ptr parameter. Add a path that uses a step of VF instead of 1, but disable it for now. (vect_do_peeling): Add step_vector, niters_vector_mult_vf_var and niters_no_overflow parameters. Update calls to slpeel_make_loop_iterate_ntimes and vect_gen_vector_loop_niters. Create a new SSA name if the latter choses to use a ste other than zero, and return it via niters_vector_mult_vf_var. * tree-vect-loop.c (vect_transform_loop): Update calls to vect_do_peeling, vect_gen_vector_loop_niters and slpeel_make_loop_iterate_ntimes. * tree-vectorizer.h (slpeel_make_loop_iterate_ntimes, vect_do_peeling) (vect_gen_vector_loop_niters): Update declarations after above changes. 2018-01-02 Michael Meissner * config/rs6000/rs6000.md (floor2): Add support for IEEE 128-bit round to integer instructions. (ceil2): Likewise. (btrunc2): Likewise. (round2): Likewise. 2018-01-02 Aaron Sawdey * config/rs6000/rs6000-string.c (expand_block_move): Allow the use of unaligned VSX load/store on P8/P9. (expand_block_clear): Allow the use of unaligned VSX load/store on P8/P9. 2018-01-02 Bill Schmidt * config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store): New function. (rs6000_analyze_swaps): Mark a web unoptimizable if it contains a swap associated with both a load and a store. 2018-01-02 Andrew Waterman * config/riscv/linux.h (ICACHE_FLUSH_FUNC): New. * config/riscv/riscv.md (clear_cache): Use it. 2018-01-02 Artyom Skrobov * web.c: Remove out-of-date comment. 2018-01-02 Richard Sandiford * expr.c (fixup_args_size_notes): Check that any existing REG_ARGS_SIZE notes are correct, and don't try to re-add them. (emit_single_push_insn_1): Move stack_pointer_delta adjustment to... (emit_single_push_insn): ...here. 2018-01-02 Richard Sandiford * rtl.h (CONST_VECTOR_ELT): Redefine to const_vector_elt. (const_vector_encoded_nelts): New function. (CONST_VECTOR_NUNITS): Redefine to use GET_MODE_NUNITS. (const_vector_int_elt, const_vector_elt): Declare. * emit-rtl.c (const_vector_int_elt_1): New function. (const_vector_elt): Likewise. * simplify-rtx.c (simplify_immed_subreg): Avoid taking the address of CONST_VECTOR_ELT. 2018-01-02 Richard Sandiford * expr.c: Include rtx-vector-builder.h. (const_vector_mask_from_tree): Use rtx_vector_builder and operate directly on the tree encoding. (const_vector_from_tree): Likewise. * optabs.c: Include rtx-vector-builder.h. (expand_vec_perm_var): Use rtx_vector_builder and create a repeating sequence of "u" values. * vec-perm-indices.c: Include rtx-vector-builder.h. (vec_perm_indices_to_rtx): Use rtx_vector_builder and operate directly on the vec_perm_indices encoding. 2018-01-02 Richard Sandiford * doc/rtl.texi (const_vector): Describe new encoding scheme. * Makefile.in (OBJS): Add rtx-vector-builder.o. * rtx-vector-builder.h: New file. * rtx-vector-builder.c: Likewise. * rtl.h (rtx_def::u2): Add a const_vector field. (CONST_VECTOR_NPATTERNS): New macro. (CONST_VECTOR_NELTS_PER_PATTERN): Likewise. (CONST_VECTOR_DUPLICATE_P): Likewise. (CONST_VECTOR_STEPPED_P): Likewise. (CONST_VECTOR_ENCODED_ELT): Likewise. (const_vec_duplicate_p): Check for a duplicated vector encoding. (unwrap_const_vec_duplicate): Likewise. (const_vec_series_p): Check for a non-duplicated vector encoding. Say that the function only returns true for integer vectors. * emit-rtl.c: Include rtx-vector-builder.h. (gen_const_vec_duplicate_1): Delete. (gen_const_vector): Call gen_const_vec_duplicate instead of gen_const_vec_duplicate_1. (const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding. (gen_const_vec_duplicate): Use rtx_vector_builder. (gen_const_vec_series): Likewise. (gen_rtx_CONST_VECTOR): Likewise. * config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h. (swap_const_vector_halves): Take an rtx pointer rather than rtx. Build a new vector rather than modifying a CONST_VECTOR in-place. (handle_special_swappables): Update call accordingly. * config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h. (swap_const_vector_halves): Take an rtx pointer rather than rtx. Build a new vector rather than modifying a CONST_VECTOR in-place. (handle_special_swappables): Update call accordingly. 2018-01-02 Richard Sandiford * simplify-rtx.c (simplify_const_binary_operation): Use CONST_VECTOR_ELT instead of XVECEXP. 2018-01-02 Richard Sandiford * tree-cfg.c (verify_gimple_assign_ternary): Allow the size of the selector elements to be different from the data elements if the selector is a VECTOR_CST. * tree-vect-stmts.c (vect_gen_perm_mask_any): Use a vector of ssizetype for the selector. 2018-01-02 Richard Sandiford * optabs.c (shift_amt_for_vec_perm_mask): Try using series_p before testing each element individually. * tree-vect-generic.c (lower_vec_perm): Likewise. 2018-01-02 Richard Sandiford * selftest.h (selftest::vec_perm_indices_c_tests): Declare. * selftest-run-tests.c (selftest::run_tests): Call it. * vector-builder.h (vector_builder::operator ==): New function. (vector_builder::operator !=): Likewise. * vec-perm-indices.h (vec_perm_indices::series_p): Declare. (vec_perm_indices::all_from_input_p): New function. * vec-perm-indices.c (vec_perm_indices::series_p): Likewise. (test_vec_perm_12, selftest::vec_perm_indices_c_tests): Likewise. * fold-const.c (fold_ternary_loc): Use tree_to_vec_perm_builder instead of reading the VECTOR_CST directly. Detect whether both vector inputs are the same before constructing the vec_perm_indices, and update the number of inputs argument accordingly. Use the utility functions added above. Only construct sel2 if we need to. 2018-01-02 Richard Sandiford * optabs.c (expand_vec_perm_var): Use an explicit encoding for the broadcast of the low byte. (expand_mult_highpart): Use an explicit encoding for the permutes. * optabs-query.c (can_mult_highpart_p): Likewise. * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_bswap): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Use an explicit encoding for the power-of-2 permutes. (vect_permute_store_chain): Likewise. (vect_grouped_load_supported): Likewise. (vect_permute_load_chain): Likewise. 2018-01-02 Richard Sandiford * vec-perm-indices.h (vec_perm_indices_to_tree): Declare. * vec-perm-indices.c (vec_perm_indices_to_tree): New function. * tree-ssa-forwprop.c (simplify_vector_constructor): Use it. * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (vectorizable_bswap): Likewise. (vect_gen_perm_mask_any): Likewise. 2018-01-02 Richard Sandiford * int-vector-builder.h: New file. * vec-perm-indices.h: Include int-vector-builder.h. (vec_perm_indices): Redefine as an int_vector_builder. (auto_vec_perm_indices): Delete. (vec_perm_builder): Redefine as a stand-alone class. (vec_perm_indices::vec_perm_indices): New function. (vec_perm_indices::clamp): Likewise. * vec-perm-indices.c: Include fold-const.h and tree-vector-builder.h. (vec_perm_indices::new_vector): New function. (vec_perm_indices::new_expanded_vector): Update for new vec_perm_indices class. (vec_perm_indices::rotate_inputs): New function. (vec_perm_indices::all_in_range_p): Operate directly on the encoded form, without computing elided elements. (tree_to_vec_perm_builder): Operate directly on the VECTOR_CST encoding. Update for new vec_perm_indices class. * optabs.c (expand_vec_perm_const): Create a vec_perm_indices for the given vec_perm_builder. (expand_vec_perm_var): Update vec_perm_builder constructor. (expand_mult_highpart): Use vec_perm_builder instead of auto_vec_perm_indices. * optabs-query.c (can_mult_highpart_p): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Use a single or double series encoding as appropriate. * fold-const.c (fold_ternary_loc): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_permute_store_chain): Likewise. (vect_grouped_load_supported): Likewise. (vect_permute_load_chain): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1): Likewise. (vect_transform_slp_perm_load): Likewise. (vect_schedule_slp_instance): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_mask_load_store): Likewise. (vectorizable_bswap): Likewise. (vectorizable_store): Likewise. (vectorizable_load): Likewise. * tree-vect-generic.c (lower_vec_perm): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Use tree_to_vec_perm_builder to read the vector from a tree. * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Take a vec_perm_builder instead of a vec_perm_indices. (have_whole_vector_shift): Use vec_perm_builder and vec_perm_indices instead of auto_vec_perm_indices. Leave the truncation to calc_vec_perm_mask_for_shift. (vect_create_epilog_for_reduction): Likewise. * config/aarch64/aarch64.c (expand_vec_perm_d::perm): Change from auto_vec_perm_indices to vec_perm_indices. (aarch64_expand_vec_perm_const_1): Use rotate_inputs on d.perm instead of changing individual elements. (aarch64_vectorize_vec_perm_const): Use new_vector to install the vector in d.perm. * config/arm/arm.c (expand_vec_perm_d::perm): Change from auto_vec_perm_indices to vec_perm_indices. (arm_expand_vec_perm_const_1): Use rotate_inputs on d.perm instead of changing individual elements. (arm_vectorize_vec_perm_const): Use new_vector to install the vector in d.perm. * config/powerpcspe/powerpcspe.c (rs6000_expand_extract_even): Update vec_perm_builder constructor. (rs6000_expand_interleave): Likewise. * config/rs6000/rs6000.c (rs6000_expand_extract_even): Likewise. (rs6000_expand_interleave): Likewise. 2018-01-02 Richard Sandiford * optabs-query.c (can_vec_perm_var_p): Check whether lowering to qimode could truncate the indices. * optabs.c (expand_vec_perm_var): Likewise. 2018-01-02 Richard Sandiford * Makefile.in (OBJS): Add vec-perm-indices.o. * vec-perm-indices.h: New file. * vec-perm-indices.c: Likewise. * target.h (vec_perm_indices): Replace with a forward class declaration. (auto_vec_perm_indices): Move to vec-perm-indices.h. * optabs.h: Include vec-perm-indices.h. (expand_vec_perm): Delete. (selector_fits_mode_p, expand_vec_perm_var): Declare. (expand_vec_perm_const): Declare. * target.def (vec_perm_const_ok): Replace with... (vec_perm_const): ...this new hook. * doc/tm.texi.in (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Replace with... (TARGET_VECTORIZE_VEC_PERM_CONST): ...this new hook. * doc/tm.texi: Regenerate. * optabs.def (vec_perm_const): Delete. * doc/md.texi (vec_perm_const): Likewise. (vec_perm): Refer to TARGET_VECTORIZE_VEC_PERM_CONST. * expr.c (expand_expr_real_2): Use expand_vec_perm_const rather than expand_vec_perm for constant permutation vectors. Assert that the mode of variable permutation vectors is the integer equivalent of the mode that is being permuted. * optabs-query.h (selector_fits_mode_p): Declare. * optabs-query.c: Include vec-perm-indices.h. (selector_fits_mode_p): New function. (can_vec_perm_const_p): Check whether targetm.vectorize.vec_perm_const is defined, instead of checking whether the vec_perm_const_optab exists. Use targetm.vectorize.vec_perm_const instead of targetm.vectorize.vec_perm_const_ok. Check whether the indices fit in the vector mode before using a variable permute. * optabs.c (shift_amt_for_vec_perm_mask): Take a mode and a vec_perm_indices instead of an rtx. (expand_vec_perm): Replace with... (expand_vec_perm_const): ...this new function. Take the selector as a vec_perm_indices rather than an rtx. Also take the mode of the selector. Update call to shift_amt_for_vec_perm_mask. Use targetm.vectorize.vec_perm_const instead of vec_perm_const_optab. Use vec_perm_indices::new_expanded_vector to expand the original selector into bytes. Check whether the indices fit in the vector mode before using a variable permute. (expand_vec_perm_var): Make global. (expand_mult_highpart): Use expand_vec_perm_const. * fold-const.c: Includes vec-perm-indices.h. * tree-ssa-forwprop.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * config/aarch64/aarch64-protos.h (aarch64_expand_vec_perm_const): Delete. * config/aarch64/aarch64-simd.md (vec_perm_const): Delete. * config/aarch64/aarch64.c (aarch64_expand_vec_perm_const) (aarch64_vectorize_vec_perm_const_ok): Fuse into... (aarch64_vectorize_vec_perm_const): ...this new function. (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. * config/arm/arm-protos.h (arm_expand_vec_perm_const): Delete. * config/arm/vec-common.md (vec_perm_const): Delete. * config/arm/arm.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (arm_expand_vec_perm_const, arm_vectorize_vec_perm_const_ok): Merge into... (arm_vectorize_vec_perm_const): ...this new function. Explicitly check for NEON modes. * config/i386/i386-protos.h (ix86_expand_vec_perm_const): Delete. * config/i386/sse.md (VEC_PERM_CONST, vec_perm_const): Delete. * config/i386/i386.c (ix86_expand_vec_perm_const_1): Update comment. (ix86_expand_vec_perm_const, ix86_vectorize_vec_perm_const_ok): Merge into... (ix86_vectorize_vec_perm_const): ...this new function. Incorporate the old VEC_PERM_CONST conditions. * config/ia64/ia64-protos.h (ia64_expand_vec_perm_const): Delete. * config/ia64/vect.md (vec_perm_const): Delete. * config/ia64/ia64.c (ia64_expand_vec_perm_const) (ia64_vectorize_vec_perm_const_ok): Merge into... (ia64_vectorize_vec_perm_const): ...this new function. * config/mips/loongson.md (vec_perm_const): Delete. * config/mips/mips-msa.md (vec_perm_const): Delete. * config/mips/mips-ps-3d.md (vec_perm_constv2sf): Delete. * config/mips/mips-protos.h (mips_expand_vec_perm_const): Delete. * config/mips/mips.c (mips_expand_vec_perm_const) (mips_vectorize_vec_perm_const_ok): Merge into... (mips_vectorize_vec_perm_const): ...this new function. * config/powerpcspe/altivec.md (vec_perm_constv16qi): Delete. * config/powerpcspe/paired.md (vec_perm_constv2sf): Delete. * config/powerpcspe/spe.md (vec_perm_constv2si): Delete. * config/powerpcspe/vsx.md (vec_perm_const): Delete. * config/powerpcspe/powerpcspe-protos.h (altivec_expand_vec_perm_const) (rs6000_expand_vec_perm_const): Delete. * config/powerpcspe/powerpcspe.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (altivec_expand_vec_perm_const_le): Take each operand individually. Operate on constant selectors rather than rtxes. (altivec_expand_vec_perm_const): Likewise. Update call to altivec_expand_vec_perm_const_le. (rs6000_expand_vec_perm_const): Delete. (rs6000_vectorize_vec_perm_const_ok): Delete. (rs6000_vectorize_vec_perm_const): New function. (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of an element count and rtx array. (rs6000_expand_extract_even): Update call accordingly. (rs6000_expand_interleave): Likewise. * config/rs6000/altivec.md (vec_perm_constv16qi): Delete. * config/rs6000/paired.md (vec_perm_constv2sf): Delete. * config/rs6000/vsx.md (vec_perm_const): Delete. * config/rs6000/rs6000-protos.h (altivec_expand_vec_perm_const) (rs6000_expand_vec_perm_const): Delete. * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Delete. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. (altivec_expand_vec_perm_const_le): Take each operand individually. Operate on constant selectors rather than rtxes. (altivec_expand_vec_perm_const): Likewise. Update call to altivec_expand_vec_perm_const_le. (rs6000_expand_vec_perm_const): Delete. (rs6000_vectorize_vec_perm_const_ok): Delete. (rs6000_vectorize_vec_perm_const): New function. Remove stray reference to the SPE evmerge intructions. (rs6000_do_expand_vec_perm): Take a vec_perm_builder instead of an element count and rtx array. (rs6000_expand_extract_even): Update call accordingly. (rs6000_expand_interleave): Likewise. * config/sparc/sparc.md (vec_perm_constv8qi): Delete in favor of... * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): ...this new function. (TARGET_VECTORIZE_VEC_PERM_CONST): Redefine. 2018-01-02 Richard Sandiford * optabs.c (expand_vec_perm_1): Assert that SEL has an integer vector mode and that that mode matches the mode of the data being permuted. (expand_vec_perm): Split handling of non-CONST_VECTOR selectors out into expand_vec_perm_var. Do all CONST_VECTOR handling here, directly using expand_vec_perm_1 when forcing selectors into registers. (expand_vec_perm_var): New function, split out from expand_vec_perm. 2018-01-02 Richard Sandiford * optabs-query.h (can_vec_perm_p): Delete. (can_vec_perm_var_p, can_vec_perm_const_p): Declare. * optabs-query.c (can_vec_perm_p): Split into... (can_vec_perm_var_p, can_vec_perm_const_p): ...these two functions. (can_mult_highpart_p): Use can_vec_perm_const_p to test whether a particular selector is valid. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-vect-data-refs.c (vect_grouped_store_supported): Likewise. (vect_grouped_load_supported): Likewise. (vect_shift_permute_load_chain): Likewise. * tree-vect-slp.c (vect_build_slp_tree_1): Likewise. (vect_transform_slp_perm_load): Likewise. * tree-vect-stmts.c (perm_mask_for_reverse): Likewise. (vectorizable_bswap): Likewise. (vect_gen_perm_mask_checked): Likewise. * fold-const.c (fold_ternary_loc): Likewise. Don't take implementations of variable permutation vectors into account when deciding which selector to use. * tree-vect-loop.c (have_whole_vector_shift): Don't check whether vec_perm_const_optab is supported; instead use can_vec_perm_const_p with a false third argument. * tree-vect-generic.c (lower_vec_perm): Use can_vec_perm_const_p to test whether the constant selector is valid and can_vec_perm_var_p to test whether a variable selector is valid. 2018-01-02 Richard Sandiford * optabs-query.h (can_vec_perm_p): Take a const vec_perm_indices *. * optabs-query.c (can_vec_perm_p): Likewise. * fold-const.c (fold_vec_perm): Take a const vec_perm_indices & instead of vec_perm_indices. * tree-vectorizer.h (vect_gen_perm_mask_any): Likewise, (vect_gen_perm_mask_checked): Likewise, * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise, (vect_gen_perm_mask_checked): Likewise, 2018-01-02 Richard Sandiford * optabs-query.h (qimode_for_vec_perm): Declare. * optabs-query.c (can_vec_perm_p): Split out qimode search to... (qimode_for_vec_perm): ...this new function. * optabs.c (expand_vec_perm): Use qimode_for_vec_perm. 2018-01-02 Aaron Sawdey * rtlanal.c (canonicalize_condition): Return 0 if final rtx does not have a conditional at the top. 2018-01-02 Richard Biener * ipa-inline.c (big_speedup_p): Fix expression. 2018-01-02 Jan Hubicka PR target/81616 * config/i386/x86-tune-costs.h: Increase cost of integer load costs for generic 4->6. 2018-01-02 Jan Hubicka PR target/81616 Generic tuning. * x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17, cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14 and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase cond_taken_branch_cost 3->4. 2018-01-01 Jakub Jelinek PR tree-optimization/83581 * tree-loop-distribution.c (pass_loop_distribution::execute): Return TODO_cleanup_cfg if any changes have been made. PR middle-end/83608 * expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of convert_modes if target mode has the right side, but different mode class. PR middle-end/83609 * expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg last argument when extracting from CONCAT. If either from_real or from_imag is NULL, use expansion through memory. If result is not a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg the parts directly to inner mode, if even that fails, use expansion through memory. PR middle-end/83623 * expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT, check for bswap in mode rather than HImode and use that in expand_unop too. Copyright (C) 2018 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.