1Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com> 2 3 * configure.in: Set and substitute host_exeext. Use it when creating 4 the assembler and linker symlinks. 5 * configure: Rebuild. 6 * Makefile.in (exeext): Set to @host_exeext@. 7 (build_exeext): New variable, set to @build_exeext@. 8 (FLAGS_TO_PASS): Pass down build_exeext. 9 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi* 10 programs. 11 12Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com) 13 14 * mn10200.md (addsi3, subsi3): Fix thinkos. 15 16Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com> 17 18 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of 19 save+restore. Fix pic+big_offset delay slot. Use "pic" case for 20 unix always, since we want to be able to thunk to functions in a 21 shared library from an application. 22 23Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com> 24 25 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a. 26 (LIB1ASMSRC, LIB1ASMFUNCS): Define. 27 28Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com) 29 30 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the 31 offset's mode is not ptr_mode, convert it. 32 33Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com> 34 35 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross 36 compiling if it was already defined. 37 38Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com) 39 40 * flow.c (find_basic_blocks): Don't create a new basic block 41 for calls in a LIBCALL block. 42 43Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu> 44 45 * config/fp-bit.c (L_df_to_sf): Fix typo in last change. 46 47Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com) 48 49 * cse.c (rtx_cost): Remove conflicting default case. 50 51Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com> 52 53 * configure.in: Move default enabling of Haifa out of for loop. 54 * configure: Rebuild. 55 56Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com) 57 58 * version.c: Bump for snapshot. 59 601997-12-25 Teemu Torma <tot@trema.com> 61 62 * Makefile.in (GTHREAD_FLAGS): New var. 63 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS). 64 (distclean): Remove gthr-default.h. 65 66 * configure.in: Accept dce as a thread package. 67 Check for thread.h and pthread.h. 68 Link gthr-default.h to appropriate thread file and set 69 gthread_flags. 70 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and 71 include multilib definitions from pa/t-dce-thr. 72 (sparc-*-solaris2*): Enable threads by default, if thread.h or 73 pthread.h is found, preferring posix threads over solaris ones. 74 75 * config/pa/t-dce-thr: New file. 76 * config/pa/t-pa: Removed multilibs. 77 * config/sparc/t-sol2: Likewise. 78 79 * gthr.h: New file. 80 * gthr-single.h: New file. 81 * gthr-posix.h: New file. 82 * gthr-solaris.h: New file. 83 * gthr-dce.h: New file. 84 * libgcc-thr.h: Removed. 85 * objc/thr-dce.c: New file copied from thr-decosf1.c. 86 87 * frame.c: Include gthr.h instead of libgcc-thr.h. 88 * libgcc2.c: Include gthr.h instead of libgcc-thr.h. 89 (eh_context_initialize): If __gthread_once fails, use static eh 90 context. 91 (eh_context_free): Call __gthread_key_dtor. 92 93Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com) 94 95 * expr.h (MUST_PASS_IN_STACK): Allow target port to override. 96 97Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com> 98 99 * cse.c (max_insn_uid): New variable. 100 (cse_around_loop): Use max_insn_uid. 101 (cse_main): Set max_insn_uid. 102 103 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT, 104 and define __LONG_MAX__ appropriately. Add support for -mabi=X, 105 -mlong64, and -mgp{32,64} options. 106 * mips.c (mips_abi): Change type to int. 107 * mips.h (enum mips_abi_type): Delete. 108 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants. 109 (mips_abi): Change type to int. 110 111Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu> 112 113 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check; 114 optimization is now always enabled. 115 116 * calls.c (expand_call): Recognize C++ operator new as malloc-like 117 function. 118 119 * alias.c (memrefs_conflict_p): Eliminate tests now done by 120 base_alias_check. 121 (*_dependence): Call canon_rtx before base_alias_check. 122 (init_alias_once): New function to precompute set of registers which 123 can hold Pmode function arguments. 124 125 * rtl.h: Declare init_alias_once. 126 127 * toplev.c (compile_file): Call init_alias_once. 128 129Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com) 130 131 * tree.c (restore_tree_status): Do not dereference a null pointer. 132 133Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com> 134 135 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to 136 RLIMIT_STACK. This maintains consistency with the recent, similar 137 patch to cccp.c and toplev.c. 138 139Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com> 140 141 * genattrtab.c (expand_units): For large nr opclasses, expand 142 function_units_used with ORX to prevent blowups. Tag with FFS. 143 (num_unit_opclasses): New variable. 144 (gen_unit): Update it. 145 (enum operator): Add ORX_OP. 146 (operate_exp): Treat ORX as or, except don't expand across an if. 147 Reuse number rtx's after operating on them. 148 (check_attr_value): Accept IOR, AND, & FFS. 149 (write_test_expr): Transmute `in_comparison' to `flags'. Allow 150 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE. 151 (write_expr_attr_cache, write_toplevel_expr): New functions. 152 (write_attr_get): Handle FFS-tagged expressions. 153 (make_canonical): Don't expand const attributes. 154 (convert_const_symbol_ref): Dike out. 155 (evaluate_eq_attr): Handle SYMBOL_REF. 156 (main): Don't emit get_attr_foo for const attributes. 157 158 * alpha.c (override_options): Reinstate PROCESSOR_EV6. 159 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests. 160 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly. 161 * alpha.md: Redo all of the scheduling, adding EV6 support, and 162 combining function units where possible. 163 (attr "type"): Split loads, stores, cmov into int/fp. Combine 164 multiplies and divides. Add EV6 sqrt, ftoi, itof. 165 (attr "opsize"): New attribute. 166 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns. 167 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX 168 to control register allocation. 169 (movsi2-1, movdi2-1): Likewise. 170 171Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com> 172 173 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, 174 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC): 175 Move OSF/1 specific defines out. 176 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS): 177 Move Linux specific defines out. 178 (LINK_SPEC): Genericize. 179 (ASM_FILE_START): Emit .arch if using more than the base insn set. 180 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version. 181 (SDB_DEBUGGING_INFO): Remove; gas can't handle it. 182 (HANDLE_SYSV_PRAGMA): Define. 183 * alpha/osf.h: New file. 184 * alpha/linux.h: Split. Retain file-format independent defines. 185 Import Linux bits from elf.h. 186 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES. 187 (FUNCTION_PROFILER): _mcount takes its address in $28. 188 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef. 189 * alpha/linux-ecoff.h: New file. 190 * alpha/linux-elf.h: New file. 191 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h. 192 * alpha/win-nt.h (TARGET_DEFAULT): Define. 193 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]: 194 Add new headers as appropriate. 195 196 * configure.in (alpha*): Enable Haifa by default. 197 (*-*-winnt3*): Change to winnt*, since we're not v3 specific. 198 * configure: Rebuild. 199 200Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com> 201 202 * Makefile.in (clean): Remove the stages with their objects here ... 203 (distclean): ... instead of here. 204 205Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 206 207 * cse.c (rtx_cost): Add default case in enumeration switch. 208 * fix-header.c (recognized_macro): Likewise. 209 (recognized_extern): Likewise. 210 (write_rbrac): Likewise. 211 * objc/objc-act.c (encode_aggregate): Likewise. 212 (gen_declarator): Likewise. 213 (gen_declspecs): Likewise. 214 215Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com) 216 217 * haifa-sched.c (create_reg_dead_note): Detect and handle another 218 case where we kill more regs after sched than were killed before 219 sched. 220 * sched.c (create_reg_dead_note): Similarly. 221 222Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com) 223 224 * c-pragma.c: Include flags.h. 225 226Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu> 227 228 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything 229 about system headers. 230 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32 231 and also to resolve symbols in prefix.c. 232 233 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict 234 between gansidecl.h and newlib's _ansi.h when building libgcc2.a, 235 when the definitions in auto-config.h is not visible. 236 (HAVE_BZERO): Likewise. 237 (HAVE_BCMP): Likewise. 238 (HAVE_RINDEX): Likewise. 239 (HAVE_INDEX): Likewise. 240 241Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com) 242 243 * pa.c (emit_move_sequence): Handle a function label source 244 operand. 245 246Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com> 247 248 * c-pragma.c (handle_pragma_token): Generate warning messages 249 about unknown pragmas if warn_unknown_pragmas is set. 250 251 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command 252 line option to set variable: warn_unknown_pragmas. 253 254Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de> 255 256 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the 257 definition. 258 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'. 259 260Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com) 261 262 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define. 263 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to 264 generate more fine grained floating point emulation libraries. 265 * config/fp-bit.c: Add protecting #ifdef to all functions so 266 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES, 267 then compile all suitable functions. 268 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two 269 underscores to avoid namespace pollution. 270 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c. 271 (FPBIT): Define. 272 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c. 273 (FPBIT): Define. 274 (DPBIT): Define. 275 276Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 277 Jeff Law <law@cygnus.com> 278 279 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning 280 of the declaration. 281 * c-decl.c (finish_decl): Use parentheses around && within ||. 282 * rtl.c: Include stdlib.h. 283 (read_skip_spaces): Add parentheses around assignments used as 284 truth values. 285 (read_rtx): Initialize list_rtx. 286 * cppexp.c (parse_number): Use || when operands are truth values. 287 * alias.c (find_base_value): Add default case. 288 (memrefs_conflict): Likewise. 289 * combine.c (sets_function_arg_p): Likewise. 290 * genemit.c (gen_exp): Likewise. 291 * local-alloc.c (contains_replace_regs): Likewise. 292 * rtlanal.c (jmp_uses_reg_or_mem): Likewise. 293 * fold-const.c (fold_convert): Use "&&" for truth values. 294 (fold): Add default case. 295 * sdbout.c (sdbout_field_types): Fix typo in declaration. 296 (sdbout_one_type): Add default case. 297 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS. 298 (some_operand): Add default case. 299 (input_operand): Likewise. 300 (signed_comparison_operator): Likewise. 301 (divmod_operator): Likewise. 302 (alpha_set_memflags_1): Likewise. 303 * reload1.c (reload_cse_simplify_operands): Ensure function 304 always returns a value. 305 * scan-decls.c (scan_decls): Likewise. 306 * c-lex.c (skip_white_space): Fix typo in declaration. 307 * c-typeck.c (comp_target_types): Add parentheses around assignment 308 used as truth value. 309 (print_spelling): Likewise. 310 (constructor_implicit, constructor_result): Remove unused variables. 311 * collect2.c (scan_library): Protect prototype with 312 #ifdef SCAN_LIBRARIES. 313 * emit-rtl.c (find_line_note): Fix typo in declaration. 314 * final.c (asm_insn_count): Protect prototype with 315 #ifdef HAVE_ATTR_length. 316 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC. 317 (try_pre_increment_1, try_pre_increment): Likewise. 318 * regclass.c (auto_inc_dec_reg_p): Protect prototype with 319 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit. 320 * gcov-io.h (__store_long, __write_long, __read_long): Fix 321 unsigned/signed comparisons. 322 * gcov.c (read_files): Remove unused "first_type" variable. 323 (scan _for_source_files): Initialize s_ptr. 324 (function_summary): Eliminate "%lf" formatting, use %ld for 325 longs. 326 (output_data): Initialize branch_probs and last_line_num. 327 Eliminate "%lf" formatting, use "%ld" for longs. 328 329Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com> 330 331 * mips16.S: New file. 332 333 * libgcc2.c (varargs): Handle mips16. 334 335 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an 336 expression. 337 * stmt.c (expand_end_case): Likewise. 338 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update. 339 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise. 340 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise. 341 342Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> 343 344 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in 345 the build directory. 346 (libobjc.a): Update dependency list. 347 (libobjc.dll): Likewise. Use libobjc_entry.o from the build 348 directory. 349 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h. 350 (objc.mostlyclean): Remove runtime-info.h. 351 352Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com> 353 354 * tree.c (build_range_type): Allow creation of ranges with no maximum. 355 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE. 356 * dwarf2out.c (add_subscript_info): Likewise. 357 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise. 358 * sdbout.c (plain_type_1): Likewise. 359 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound): 360 Likewise. 361 * fold-const.c (int_const_binop, fold_convert, make_range, fold): 362 Likewise. 363 364Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 365 366 * mips.c (fatal): Remove declaration. 367 3681997-12-18 Mark Mitchell <mmitchell@usa.net> 369 370 * integrate.c (get_label_from_map): New function. 371 (expand_inline_function): Use it. Initialize the label_map to 372 NULL_RTX instead of gen_label_rtx. 373 (copy_rtx_and_substitute): Use get_label_from_map. 374 * integrate.h (get_label_from_map): New function. 375 (set_label_from_map): New macro. 376 * unroll.c (unroll_loop): Use them. 377 (copy_loop_body): Likewise. 378 379Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com> 380 381 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined. 382 (INIT_TARGET_OPTABS): Define. 383 * mips/ecoff.h: Include gofast.h before mips.h. 384 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS. 385 * mips/elf64.h: Likewise. 386 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define. 387 388Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com> 389 390 * except.c: Remove register_exception_table{,_p}. 391 392Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com> 393 394 * unroll.c (calculate_giv_inc): Handle constant increment found in 395 a MEM with an appropriate REG_EQUAL note. 396 397 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED. 398 399 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the 400 frame pointer in the prologue. 401 402Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com> 403 404 * i386/x-sco5 (CLIB): Deleted. 405 (ALLOCA): Added. 406 * i386/xm-sco5.h (USE_C_ALLOCA): Added. 407 408Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com> 409 410 * config/m68k/m68k.c (output_function_prologue): Typecast 411 dwarf2out_cfi_label to (char *). 412 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "". 413 414Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com> 415 416 * sparc.md (jump): Don't use the annul bit around an empty loop. 417 Patch from Kevin.Kelly@East.Sun.COM. 418 419Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com) 420 421 * jump.c (jump_optimize): Don't use the return register as a 422 source1 of a conditional move. 423 424Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com> 425 426 * sparc.c (DF_MODES): Or the mask not the bit number. 427 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first. 428 429Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> 430 431 * combine.c (force_to_mode): Return immediately if operand is a 432 CLOBBER. 433 434Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de> 435 436 * fixincludes (size_t): Add support for Motorola's stdlib.h 437 which fails to provide a definition for size_t. 438 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3. 439 (strlen,strspn,strcspn return value): Handle different layout on sysV88. 440 (hypot): Provide a fake for hypot for m88k-motorola-sysv3. 441 442 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to 443 prevent unresolved externals in libio. 444 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise. 445 446Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org) 447 448 * config/sparc/linux64.h (LIBGCC_SPEC): Removed. 449 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}. 450 (LIB_SPEC): Updated for glibc 2. 451 452Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com) 453 454 * ginclude/stdarg.h: Undo BeOS changes, they break hpux. 455 * ginclude/varargs.h: Likewise. 456 457Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com) 458 459 * version.c: Bump for snapshot. 460 461Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org) 462 463 * frame.h (__register_frame, __register_frame_table, 464 __deregister_frame): New. 465 * frame.c (__register_frame, __register_frame_table, 466 __deregister_frame): New. 467 * frame.c (__deregister_frame_info): Return void *. 468 * frame.h (__deregister_frame_info): Likewise. 469 * collect2.c (__deregister_frame_info): Likewise. 470 471Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com> 472 473 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG. 474 475Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com> 476 477 * alpha.c (alpha_cpu_name): New variable. 478 (alpha_mlat_string): Likewise. 479 (alpha_memory_latency): Likewise. 480 (override_options): Handle -mmemory-latency. 481 (alpha_adjust_cost): Adjust load cost for latency. 482 * alpha.h (TARGET_OPTIONS): Add memory-latency. 483 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take 484 TARGET_CIX into account. 485 (MEMORY_MOVE_COST): Define in terms of memory_latency. 486 * invoke.texi (DEC Alpha Options): Document -mmemory-latency. 487 488 * alpha.h (ASM_COMMENT_START): New macro. 489 490Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com> 491 492 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c, 493 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change. 494 495 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the 496 SUBREG_REG if the word count is unchanged. 497 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve 498 subregs of identical word size for push_reload. 499 500Mon Dec 15 11:41:32 1997 Mark Mitchell <mmitchell@usa.net> 501 502 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy 503 if all we're doing is dealing with -Wreturn-type. 504 505Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com> 506 507 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2): 508 Use and 255 instead of zapnot 1, since it schedules better. 509 510Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com) 511 512 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat 513 it as volatile. 514 515Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com) 516 517 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on 518 dependency we delete. Properly update prev for multiple consecutive 519 deletions. 520 (priority): Skip deleted dependence. 521 522Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com> 523 524 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod. 525 526Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com> 527 528 * flow.c (flow_analysis): Be consistent with find_basic_blocks in 529 determining when a new basic block starts. 530 531 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn. 532 533 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS. 534 * pa.md (iorsi3): Add missing args to *_operand calls. 535 536 * except.c (call_get_eh_context): Don't mess with sequences. 537 (emit_eh_context): Include the call in the sequence here. 538 5391997-12-11 Paul Eggert <eggert@twinsun.com> 540 541 * collect2.c (write_c_file_glob): Allocate initial frame object 542 in static storage and pass its address. 543 544Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com> 545 546 * except.c (call_get_eh_context): Don't take a parm. 547 Put the call at the top of the function. 548 (emit_eh_context): Adjust. 549 (get_eh_context): Replace with former use_eh_context. 550 (get_eh_context_once, get_saved_pc_ref): Remove. 551 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove. 552 * except.h: Adjust. 553 * integrate.c (expand_inline_function): Adjust. 554 * toplev.c (rest_of_compilation): Don't call emit_unwinder. 555 556Fri Oct 10 17:58:31 1997 Marc Lehmann <pcg@goof.com> 557 558 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define. 559 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise. 560 561Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de> 562 563 * fixincludes (strlen,strspn,strcspn return value): Handle different 564 layout on sysV88. 565 (hypot): Provide a fake for hypot which is broken on 566 m88k-motorola-sysv3. 567 568Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu> 569 570 * tree.c, tree.h: Change tree_code_type, tree_code_length, and 571 tree_code_name from pointers to arrays. 572 * tree.c: Remove standard_tree_code_* variables, no longer used. 573 * print-tree.c: Remove declaration of tree_code_name. 574 575 * cp/lex.c (init_lex): Update for tree_code_* changes. 576 * objc/objc-act.c (init_objc): Likewise. 577 578 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code 579 changes. 580 581Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com> 582 583 * config.sub: Add support for BeOS target. 584 * configure.in: Likewise. 585 * ginclude/stdarg.h: Likewise. 586 * ginclude/stddef.h: Likewise. 587 * ginclude/varargs.h: Likewise. 588 * rs6000/beos.h: New file for BeOS. 589 * rs6000/t-beos: Likewise. 590 * rs6000/x-beos: Likewise. 591 * rs6000/xm-beos.h: Likewise. 592 * toplev.c (get_run_time): Just return 0 on BeOS. 593 594Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com) 595 Toon Moene (toon@moene.indiv.nluug.nl) 596 597 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly 598 old and broken Sun3 assemblers. Newer versions handle large 599 offsets correctly as does the GNU assembler. 600 601Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 602 603 * objc/objc-act.c (lang_report_error_function): Disable. 604 * objc/objc-parse.y: Include "output.h". 605 (yyerror): Remove redundant decl. 606 (yyprint): Fix prototype. 607 (apply_args_register_offset): Remove redundant decl. 608 (get_file_function_name): Likewise. 609 610Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com> 611 612 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts 613 a new basic block. 614 (find_basic_blocks_1): Likewise. 615 616Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com> 617 618 * except.c (use_eh_context): Don't copy_rtx a REG. 619 (emit_throw): Lose old unwinder support. 620 (expand_internal_throw): Likewise. 621 * libgcc2.c (struct eh_context): Likewise. 622 (new_eh_context): Likewise. 623 (__get_eh_info): Lose redundant cast. 624 (__get_dynamic_handler_chain): Likewise. 625 (__get_saved_pc): Lose. 626 Lose all old unwinder support code. 627 628Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com> 629 630 Thread-safe EH support for pthreads, DCE threads and Solaris threads. 631 632 * integrate.c (expand_inline_function): If the inline fn uses eh 633 context, make sure that the current fn has one. 634 * toplev.c (rest_of_compilation): Call emit_eh_context. 635 * except.c (use_eh_context): New fn. 636 (get_eh_context_once): New fn. 637 (call_get_eh_context): New fn. 638 (emit_eh_context): New fn. 639 (get_eh_context): Call either get_eh_context_once or 640 call_get_eh_context, depending on what we have. 641 (get_dynamic_handler_chain): Call get_eh_context_once. 642 * except.h: Prototypes for fns above. 643 * optabs.c (get_eh_context_libfunc): Removed. 644 (init_optabs): Don't initialize it. 645 * expr.h (get_eh_context_libfunc): Removed. 646 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT. 647 * config/pa/pa.h (CPP_SPEC): Support for -threads. 648 * config/pa/pa-hpux10.h (LIB_SPEC): Likewise. 649 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): 650 New multilib for -threads. 651 * config/sparc/t-sol2: Added multilibs for -threads and 652 made -pthreads alias to it. 653 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC): 654 Added -threads and -pthreads options. 655 * libgcc-thr.h: New file. 656 * libgcc2.c (__get_cpp_eh_context): Removed. 657 (struct cpp_eh_context): Removed. 658 (struct eh_context): Replaced cpp_eh_context with generic language 659 specific pointer. 660 (__get_eh_info): New function. 661 (__throw): Check eh_context::info. 662 (__sjthrow): Likewise. 663 * libgcc2.c: Include libgcc-thr.h. 664 (new_eh_context, __get_eh_context, 665 eh_pthread_initialize, eh_context_initialize, eh_context_static, 666 eh_context_specific, eh_context_free): New functions. 667 (get_eh_context, eh_context_key): New variables. 668 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use 669 get_eh_context to get the context. 670 (longjmp): Move the declaration inside 671 #ifdef DONT_USE_BUILTIN_SETJMP. 672 * frame.c: Include libgcc-thr.h. 673 (object_mutex): Mutex to protect the object list. 674 (find_fde, __register_frame, __register_frame_table, 675 __deregister_frame): Hold the lock while accessing objects. 676 * except.h (get_eh_context): Declare. 677 * except.c (current_function_ehc): Define. 678 (current_function_dhc, current_function_dcc): Removed. 679 (get_eh_context): New function. 680 (get_dynamic_handler_chain): Use get_eh_context. 681 (get_saved_pc_ref): Likewise. 682 (get_dynamic_cleanup_chain): Removed references to 683 current_function_dcc. 684 (save_eh_status, restore_eh_status): Save and restore 685 current_function_ehc instead. 686 * optabs.c (get_eh_context_libfunc): New variable. 687 (init_optabs): Initialize it. 688 * expr.h: Declare get_eh_context_libfunc. 689 * function.h (struct function): Replaced dhc and dcc with ehc. 690 * except.c (get_saved_pc_ref): New functions. 691 (eh_saved_pc_rtx, eh_saved_pc): Deleted. 692 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead 693 of eh_saved_pc. 694 (end_eh_unwinder): Likewise. 695 (init_eh): Remove initialization of eh_saved_pc. 696 * optabs.c (get_saved_pc_libfunc): New variable. 697 (init_optabs): Initialize it. 698 * expr.h: Declare get_saved_pc_libfunc. 699 * except.h (eh_saved_pc_rtx): Deleted. 700 (get_saved_pc_ref): Declared. 701 702 From Scott Snyder <snyder@d0sgif.fnal.gov>: 703 * libgcc2.c (__get_saved_pc): New. 704 (__eh_type, __eh_pc): Deleted. 705 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc. 706 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside 707 this fcn. 708 709Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu> 710 711 * sparc/sol2.h: Use 64 bit multiply and divide functions in 712 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE 713 as 0. 714 715 * rtl.h (global_rtl): New variable, replacing separate variables for 716 commonly used rtl. 717 (const_int_rtx): Now array of rtx_def, not rtx. 718 * emit-rtl.c: Update for new rtl data structures. 719 * genattrtab.c: Define global_rtl. 720 721Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu> 722 723 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by 724 default. 725 726Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com> 727 728 * crtstuff.c (__do_global_ctors): Fix typo. 729 730Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de> 731 732 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition 733 to RLIMIT_STACK to see if we can call getrlimit and setrlimit. 734 735Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu> 736 737 * rs6000.h (FUNCTION_ARG_PADDING): Define. 738 * rs6000.c (function_arg_padding): New function. 739 740Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de> 741 742 * m68k.c: Include tree.h only once. 743 744Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 745 746 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc. 747 748Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com) 749 750 * Partially cleaned up prototyping code from HJ. 751 * tree.h: Add many prototypes. 752 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn. 753 All references changed. 754 * rtl.h: Protect from multiple inclusions. Add many prototypes. 755 756Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com> 757 758 * libgcc2.c (string.h): Hoist inclusion to occur before first use of 759 string functions like strlen. 760 761Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de> 762 763 * configure.in: Check for functions getrlimit and setrlimit. 764 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition 765 to RLIMIT_STACK to see if we can call getrlimit and setrlimit. 766 767Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu> 768 769 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make. 770 771Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com> 772 773 * alpha.c (REG_RA, alpha_return_addr, output_epilog): 774 Fix merge problems. 775 776 * alpha.c (override_options): Don't know about scheduling for EV6. 777 * alpha.md (ev5 function units): Don't overload as ev6. 778 779 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case. 780 * alpha.md (define_attr type): Add mvi. 781 (ev5_e0): Define sceduling parameters for it. 782 (TARGET_MAX insns): Type is mvi not shift. 783 784Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com> 785 786 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug. 787 788Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 789 790 * cstamp-h, auto-config.h: Delete. 791 792Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com) 793 794 * version.c: Bump for snapshot. 795 796Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com) 797 798 * cccp.c: Fix typo brought over in merge. 799 800 * Merge in changes from gcc-2.8. 801 802Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be> 803 804 * m68k.c: Include tree.h for dwarf2out_cfi_label. 805 806 * gcc.c (process_command): Do not take address of function fatal when 807 calling lang_specific_driver. 808 809Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu> 810 811 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling 812 doesn't work with it yet, so set it to 0. 813 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define. 814 815Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> 816 817 * cse.c (cse_insn): Check for invalid entries when taking references. 818 819Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 820 821 * loop.c (invariant_p): Don't test flag_rerun_loop_opt. 822 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p. 823 * toplev.c (rest_of_compilation): Pass it. Remove code to 824 save / clear / restore flag_unroll_{,all_}loops. 825 826Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> 827 828 * i386.c (notice_update_cc): Remove bogus pentium GCC code. 829 830Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com) 831 832 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR. 833 834Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com> 835 836 * except.c (get_dynamic_handler_chain): Only make the call once per 837 function. 838 839 * except.c (expand_end_all_catch): Fix for sjlj exceptions. 840 841Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 842 843 * sh.c (final_prescan_insn): Use local label prefix 844 when emitting .uses pseudo-ops. 845 846Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com> 847 848 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc. 849 * except.c: Lose outer_context_label_stack. 850 (expand_eh_region_end): Rethrow from outer_context here. 851 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow. 852 (expand_internal_throw): Take no args. 853 (expand_internal_throw_indirect): Lose. 854 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow. 855 (expand_start_all_catch): Start a rethrow region. 856 (expand_end_all_catch): End it. 857 (expand_rethrow): New fn. 858 * except.h: Reflect above changes. 859 * flow.c: Revert change of Nov 27. 860 861Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com) 862 863 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer. 864 865Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com> 866 867 * except.c (expand_fixup_region_end): New fn. 868 (expand_fixup_region_start): Likewise. 869 (expand_eh_region_start_tree): Store cleanup into finalization here. 870 * stmt.c (expand_cleanups): Use them to protect fixups. 871 872Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com> 873 874 * mips/mips.md (muldi3_r4000): Broaden the output template 875 and attribute assignments to handle three operand dmult; 876 rename to muldi3_internal2. 877 (muldi3): Call the new muldi3_internal2 for R4000, and 878 any GENERATE_MULT3 chip. 879 880Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com> 881 882 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start. 883 884Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com> 885 886 * unroll.c (find_splittable_givs): Remove last change. Handle givs 887 with a dest_reg that was created by loop. 888 889Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu> 890 891 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch. 892 893 * rs6000/aix41.h (ASM_CPU_SPEC): Define. 894 895Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com) 896 897 * configure.in: Fix NCR entries. 898 899Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com) 900 901 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and 902 nested exceptions correctly. 903 904 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg 905 that was created by loop. 906 907Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com> 908 909 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR. 910 911 * except.c (expand_start_all_catch): One more do_pending_stack_adjust. 912 913Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com> 914 915 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs. 916 (print_operand): Use SMALL_DATA_REG for the register involved in 917 small data relocations. 918 (print_operand_address): Likewise. 919 920 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if 921 -dynamic linker is not used. 922 923 * rs6000.md (call insns): For local calls, use @local suffix under 924 System V. Don't use @plt under Solaris. 925 926 * rs6000.c (output_function_profiler): Put label address in r0, and 927 store LR in 4(sp) for System V/eabi. 928 929 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16 930 byte boundary, and maintain stack backchain. 931 932Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com> 933 934 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2, 935 fix_truncsfdi2): Change *. 936 937Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com> 938 939 * toplev.c (main): Complain about -gdwarfn. 940 941Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com> 942 943 * dwarfout.c (output_type): If finalizing, write out nested types 944 of types we've already written. 945 946Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com> 947 948 (patches originally from Geoffrey Keating) 949 * rs6000.c (function_arg): Excess floating point arguments don't 950 go into GPR registers after exhausting FP registers under the 951 System V.4 ABI. 952 (function_arg_partial_nregs): Likewise. 953 954 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt 955 suffix to calls. 956 957Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com> 958 959 * integrate.c (output_inline_function): Just unset DECL_INLINE. 960 961Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov> 962 963 * dwarf2out.c (outout_call_frame_info): Ensure that the info has 964 proper alignment. 965 966 * libgcc2.c (__throw): Initialize HANDLER. 967 968Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com> 969 970 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2, 971 fix_truncsfdi2): Change *X to ?*X. 972 973Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com) 974 975 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling. 976 977Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com) 978 979 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better. 980 981Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr> 982 983 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement. 984 985Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com> 986 987 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL. 988 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc. 989 * expr.h: Likewise. 990 991Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com) 992 993 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define. 994 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using 995 gas and not using the new HP assembler. 996 997Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com) 998 999 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion. 1000 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise. 1001 1002Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com> 1003 1004 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for 1005 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro 1006 definition. 1007 1008Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> 1009 1010 * stmt.c (expand_end_bindings): Allow jump into block with cleanups. 1011 1012Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com> 1013 1014 * except.h: Add outer_context_label_stack. 1015 * except.c: Likewise. 1016 (expand_start_all_catch): Push the outer_context for the try block 1017 onto outer_context_label_stack. 1018 (expand_end_all_catch): Use it and pop it. 1019 1020Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com) 1021 1022 * i386/sco5.h (HAVE_ATEXIT): Revert last change. 1023 1024Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com> 1025 1026 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better. 1027 1028Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de> 1029 1030 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label 1031 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL. 1032 1033Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com> 1034 1035 * Makefile.in (LIB2FUNCS): Remove C++ memory management support. 1036 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler, 1037 __builtin_delete, and __builtin_vec_delete. 1038 1039 * except.c (output_exception_table): Don't bother with 1040 __EXCEPTION_END__. 1041 1042Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com) 1043 1044 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register 1045 is an in/out operand. 1046 (zero extended variants of stwm/stwm patterns): Similarly. 1047 1048 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE. 1049 1050Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com> 1051 1052 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4. 1053 Use assemble_name. 1054 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name. 1055 (output_call_frame_info): Emit a \n after using it. 1056 1057Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk> 1058 1059 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation. 1060 1061Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be> 1062 1063 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros. 1064 (ASM_OUTPUT_DWARF_VALUE4): New macro. 1065 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is 1066 defined. 1067 (output_call_frame_info): Do not output forward label differences 1068 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined. 1069 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas. 1070 1071Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1072 1073 * sh.md (attribute "type"): Add nil. 1074 (movsi_ie): y/y alternative is type nil. 1075 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X 1076 alternatives. 1077 (movsf_ie+1): Delete. 1078 1079Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com> 1080 1081 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are 1082 large_int, emit two insns instead of one splitable insn. 1083 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset 1084 from cfa_temp_value, use cfa_offset. Add assert checking that 1085 cfa_reg is SP. 1086 1087Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com> 1088 1089 * cccp.c (deps_output): Properly quote file names for make. 1090 1091Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com) 1092 1093 * t-h8300 (MULTILIB_EXCEPTIONS): Define. 1094 1095Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com) 1096 1097 * i386/sco5.h (HAVE_ATEXIT): Delete definition. 1098 1099Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com) 1100 1101 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditional 1102 return. 1103 (cse_end_of_basic_block): Similarly. 1104 1105Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com> 1106 1107 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define. 1108 (SELECT_RTX_SECTION): Define. 1109 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC. 1110 1111Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de> 1112 1113 * Makefile.in (compare, compare-lean): Define $stage for each 1114 shell command. 1115 (gnucompare, gnucompare-lean): Likewise. 1116 1117Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com) 1118 1119 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets. 1120 1121 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label 1122 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL. 1123 1124Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com) 1125 1126 * dwarfout.c (byte_size_attribute): Add local var upper_bound 1127 and add case to handle STRING_TYPE. 1128 * dwarfout.c (output_string_type_die): Fix code to generate 1129 correct string length attribute for fixed length strings. 1130 Still needs support for varying length strings. 1131 1132Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com) 1133 1134 * toplev.c (get_run_time): Do something sensible for cygwin32. 1135 1136Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com> 1137 1138 * expr.c (expand_builtin_setjmp): Set 1139 current_function_has_nonlocal_label. 1140 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill 1141 call-saved registers across calls. 1142 1143 * alpha.md (exception_receiver): Remove. 1144 (nonlocal_goto_receiver_osf): New. 1145 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver. 1146 (nonlocal_goto_receiver): New, select _osf or _vms. 1147 1148 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to 1149 keep them from being propagated to the object file. 1150 (alpha_write_linkage): Likewise. 1151 * alpha.md (call_vms): Likewise. 1152 (call_value_vms): Likewise. 1153 (unnamed osf call insns): Likewise. 1154 1155 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label. 1156 (ASM_GENERATE_INTERNAL_LABEL): Likewise. 1157 1158 * alpha.c (call_operand): Any reg is valid for WinNT. 1159 * alpha.md (call_nt, call_value_nt): Don't force address into $27. 1160 (anon nt calls): Add 'R' alternative. 1161 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, 1162 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs. 1163 1164Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com) 1165 1166 * calls.c (expand_call): Handle pcc_struct_value correctly for C++. 1167 1168 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines. 1169 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise. 1170 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise. 1171 1172Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com> 1173 1174 * reload1.c (new_spill_reg): Improve fixed or forbidden register 1175 spill error message. 1176 1177Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 1178 1179 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise, 1180 use varargs.h. Wrap header with <>, not "". 1181 1182Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com) 1183 1184 * integrate.c (save_for_inline_copying): Add return value from 1185 savealloc. 1186 1187Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com> 1188 1189 * fixincludes: Be a little more restrictive on what we will 1190 substitute to replace definitions of MAXINT for HPUX. 1191 1192Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com> 1193 1194 * dbxout.c (dbxout_symbol_location): Don't assume that variables 1195 whose address is the stack or argument pointers are indirect 1196 pointers. 1197 11981997-11-13 Paul Eggert <eggert@twinsun.com> 1199 1200 * cccp.c, cpplib.c (compare_defs): 1201 Don't complain about arg name respellings unless pedantic. 1202 * cpplib.c (compare_defs): Accept pfile as new arg. 1203 All callers changed. 1204 1205Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1206 1207 * fold-const.c (fold_truthop): Fix bug in last change. 1208 12091997-11-13 Paul Eggert <eggert@twinsun.com> 1210 1211 Fix some confusion with IEEE minus zero. 1212 1213 * real.h (REAL_VALUES_IDENTICAL): New macro. 1214 1215 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros. 1216 * fold-const.c (operand_equal_p): Don't consider -0.0 to be 1217 identical to 0.0. 1218 * tree.c (simple_cst_equal): Don't consider -0.0 to have the 1219 same tree structure as 0.0. 1220 1221 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL 1222 macro instead of doing it by hand. 1223 1224Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com) 1225 1226 * v850/lib1funcs.asm: Minor whitespace changes. 1227 * v850.c: Fix minor formatting problems in many places. 1228 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts. 1229 1230Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com> 1231 1232 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and 1233 xplus1 when xplus0 is not a register. 1234 1235Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com) 1236 1237 * flow.c (find_basic_blocks): During marking phase, if we encounter 1238 an insn with a REG_LABEL note, make the target block live and 1239 create an edge from the insn to the target block. Do not make 1240 edges from all blocks to the target block. 1241 1242 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers. 1243 1244 * confiugre.in: Tweak NCR entries. 1245 * configure: Rebuilt. 1246 1247Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com> 1248 1249 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to 1250 pick apart floating point values, instead of using CONST_DOUBLE_LOW 1251 and CONST_DOUBLE_HIGH. 1252 1253 * rs6000.md (define_splits for DF constants): Use the appropriate 1254 REAL_VALUE_* interface to pick apart DF floating point constants in 1255 a machine independent fashion. 1256 1257Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1258 1259 * fold-const.c (fold_truthop): When changing a one-bit comparison 1260 against zero into a comparison against mask, do a proper sign 1261 extension. 1262 1263Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com) 1264 1265 * except.c: Do not include "assert.h". 1266 (save_eh_status): Turn asserts into conditional aborts. 1267 (restore_eh_status, scan_region): Likewise. 1268 * dwarfout.c: Do not include "assert.h". 1269 (bit_offset_attribute): Turn asserts into conditional aborts. 1270 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise. 1271 (output_inlined_structure_type_die): Likewise. 1272 (output_inlined_union_type_die): Likewise. 1273 (output_tagged_type_instantiation): Likewise. 1274 (dwarfout_file_scope_decl): Likewise. 1275 * dwarf2out.c: Do not include "assert.h" 1276 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts. 1277 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise. 1278 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise. 1279 (add_bit_size_attribute, scope_die_for): Likewise. 1280 (output_pending_types_for_scope): Likewise. 1281 (get_inlined_enumeration_type_die): Likewise. 1282 (get_inlined_structure_type_die): Likewise. 1283 (get_inlined_union_type_die, gen_subprogram_die): Likewise. 1284 (gen_tagged_type_instantiation_die): Likewise. 1285 1286 * flow.c (find_basic_blocks): Refine further to get a more correct 1287 cfg, especially in the presense of exception handling, computed 1288 gotos, and other non-trivial cases. Call abort if an inaccuracy 1289 is detected in the cfg. 1290 1291Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1292 1293 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts. 1294 1295 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions. 1296 (skip_white_space): Use whitespace_cr. 1297 (check_newline): Handle whitespace more consistently. 1298 1299Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com> 1300 1301 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX. 1302 * i386/xm-cygwin32.h (POSIX): Define. 1303 1304Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com> 1305 1306 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit 1307 is available elsewhere. 1308 1309Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com> 1310 1311 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match 1312 what the instruction can handle. 1313 1314Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com> 1315 1316 * stmt.c (expand_decl_cleanup_no_eh): New fn. 1317 1318 * except.c (expand_leftover_cleanups): do_pending_stack_adjust. 1319 1320Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com) 1321 1322 * alias.c (MAX_ALIAS_LOOP_PASSES): Define. 1323 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES. 1324 1325Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu> 1326 1327 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and 1328 swap instruction order. 1329 1330Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com) 1331 1332 * fixinc.svr4 (__STDC__): Add another case. 1333 1334Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1335 1336 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying 1337 addresses in the epilogue delay slot. 1338 1339Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de) 1340 1341 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace 1342 in generated `specs' file. 1343 1344Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com) 1345 1346 * flags.h (flag_rerun_loop_opt): Declare. 1347 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt. 1348 * toplev.c (flag_rerum_loop_opt): Delete static. 1349 1350Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1351 1352 Bring over from FSF: 1353 1354 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1355 1356 * va-sh.h (__va_arg_sh1): Define. 1357 (va_arg): Use it. 1358 SH3E doesn't use any integer registers for subsequent arguments 1359 once a non-float value was passed in the stack. 1360 * sh.c (machine_dependent_reorg): If optimizing, put explicit 1361 alignment in front label for ADDR_DIFF_VEC. 1362 * sh.h (PASS_IN_REG_P): Fix SH3E case. 1363 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length. 1364 1365 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1366 1367 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including 1368 svr4.h. 1369 1370 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1371 1372 * sh.c (machine_dependent_reorg): When -flag_delayed_branches, 1373 put an use_sfunc_addr before each sfunc. 1374 * sh.md (use_sfunc_addr, dummy_jump): New insns. 1375 (casesi): For TARGET_SH2, emit a dummy_jump after LAB. 1376 1377 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1378 1379 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine. 1380 1381Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com> 1382 1383 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for 1384 linked once FDEs. 1385 1386Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com) 1387 1388 * alias.c (find_base_value): Only return the known base value for 1389 pseudo registers. 1390 1391Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com> 1392 1393 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got. 1394 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE 1395 to pattern. 1396 (prologue_get_pc_and_set_got): New pattern. 1397 1398Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com) 1399 1400 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse 1401 for SUBREG, just fall through. 1402 1403 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero. 1404 1405 * alpha.md (attr trap): Make TRAP_YES nonzero for sanity's sake. 1406 1407Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com) 1408 1409 * fixincludes: Fix "hypot" prototype in NeXT math.h. 1410 1411 * Makefile.in (USE_ALLOCA): Always include alloca.o. 1412 (USE_HOST_ALLOCA): Likewise. 1413 1414 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES 1415 and LABEL_REFS fields. 1416 * rtl.h (LABEL_REFS): Update. 1417 1418Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com> 1419 1420 * combine.c (try_combine): When setting elim_i2, check whether newi2pat 1421 sets i2dest. When calling distribute_notes for i3dest_killed, pass 1422 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat 1423 sets i1dest. 1424 1425 * mips.md (insv, extzv, extv): Add change_address call. 1426 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern. 1427 1428 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc. 1429 1430 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants. 1431 1432 * mips.c (mips_expand_epilogue): Emit blockage insn before call to 1433 save_restore_insns if no FP and GP will be restored. 1434 1435 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode. 1436 Convert CCmode to word_mode before calling GET_MODE_SIZE. 1437 1438 * acconfig.h (HAVE_INTTYPES_H): Undef. 1439 * configure.in (inttypes.h): Check for conflicts between sys/types.h 1440 and inttypes.h, and verify that intmax_t is defined. 1441 * config/mips/x-iris (CC, OPT, OLDCC): Comment out. 1442 * config/mips/x-iris3: Likewise. 1443 1444Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com) 1445 1446 * alias.c (find_base_value): When copying arguments, return the 1447 tentative value for a hard register. 1448 1449Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com> 1450 1451 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling. 1452 (yylex): Record wide strings using target endianness, not host. 1453 1454Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com) 1455 1456 * mn10200.h (ASM_OUTPUT_BSS): Delete. 1457 (ASM_OUTPUT_ALIGNED_BSS): New macro. 1458 * mn10300.h (ASM_OUTPUT_BSS): Delete. 1459 (ASM_OUTPUT_ALIGNED_BSS): New macro. 1460 * v850.h (ASM_OUTPUT_BSS): Delete. 1461 (ASM_OUTPUT_ALIGNED_BSS): New macro. 1462 1463Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1464 1465 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP. 1466 1467Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com) 1468 1469 * configure.in (sco5): Use cpio to install header files. 1470 1471Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de> 1472 1473 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to 1474 14 char length. 1475 * configure: Rebuild. 1476 1477Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com) 1478 1479 * i386/sco5.h: Enable -gstabs once again. 1480 1481Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com) 1482 1483 * arm.c (output_move_double): Allocate 3 entries in otherops array. 1484 1485Sat Nov 1 21:43:00 1997 Mike Stump <mrs@wrs.com> 1486 1487 * except.c (expand_eh_region_start_for_decl): Emit EH_REGION_BEG 1488 notes for sjlj exceptions too. 1489 (expand_eh_region_end): Similarly for EH_REGION_END notes. 1490 (exception_optimize): Optimize EH regions for sjlj exceptions too. 1491 * final.c (final_scan_insn): Don't output labels for EH REGION 1492 notes if doing sjlj exceptions. 1493 1494Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com) 1495 1496 * alias.c (init_alias_analysis): Handle -fno-alias-check when 1497 optimizing correctly. 1498 1499 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note 1500 or set current_function_calls_setjmp anymore. 1501 1502 * flow.c (find_basic_blocks): If we delete the label for an 1503 exception handler, remove it from the EH label list and remove 1504 the EH_BEGIN/EH_END notes for that EH region. 1505 1506Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com) 1507 1508 * flow.c (find_basic_blocks): Generate correct flow control 1509 information when exception handling notes are present. 1510 1511Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com) 1512 1513 * dwarf2out.c (output_call_frame_info): Fix length argument 1514 to ASM_OUTPUT_ASCII. 1515 (output_die, output_pubnames, output_line_info): Likewise. 1516 1517Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com) 1518 1519 * version.c: Bump for snapshot. 1520 1521 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to 1522 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if 1523 flag_debug_asm is on. 1524 (output_die, output_pubnames, output_line_info): Likewise. 1525 1526 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx 1527 and static_chain_rtx into the potential base values array if 1528 they are registers. 1529 1530 * alias.c (new_reg_base_value): New array of potential base values. 1531 (unique_id): Now file scoped static. 1532 (find_base_value, case REG): Return the value in reg_base_value 1533 array for the REG if it exists. Else, return the value from 1534 new_reg_base_value if copying args and REG is a hard register. 1535 (find_base_value, case PLUS): If either operand of the PLUS is 1536 a REG, try to get its base value. Handle base + index and 1537 index + base. 1538 (record_set): Use new_reg_base_value instead of reg_base_value. 1539 (init_alias_analysis): Allocate space for new_reg_base_value too. 1540 Rework code to iterate over the insns propagating base value 1541 information until nothing changes. 1542 1543 * global.c (global_alloc): Free the conflict matrix after 1544 reload has finished. 1545 1546Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com> 1547 1548 * libgcc2.c (L_eh): Define __eh_pc. 1549 Replace __eh_type with generic pointer __eh_info. 1550 1551Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk> 1552 1553 * expr.c (expand_increment): When enqueing a postincrement for a MEM, 1554 use copy_to_reg if address is not a general_operand. 1555 1556Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1557 1558 * profile.c (output_func_start_profiler): Clear flag_inline_functions 1559 for the duration of the call to rest_of_compilation. 1560 1561Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com> 1562 1563 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf. 1564 Set extra_parts. 1565 (sparc*-*-*): Recognize --with-cpu=v9. 1566 * sparc/elf.h: New file. 1567 * sparc/t-elf: New file. 1568 1569Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com) 1570 1571 * mn10300.c (const_8bit_operand): New function. 1572 (mask_ok_for_mem_btst): New function. 1573 * mn10300.md (btst patterns with mem operands): Use new functions 1574 to avoid creating btst instructions with invalid operands. 1575 1576Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com> 1577 1578 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we 1579 are running on PowerPC Linux. 1580 1581Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com> 1582 1583 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define 1584 if not previously defined. 1585 1586Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com) 1587 1588 * function.c (assign_parms): Correct mode of stack_parm if 1589 entry_parm underwent a mode conversion. 1590 15911997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com> 1592 1593 * global.c (global_alloc): Use xmalloc instead of alloca for 1594 CONFLICTS, since max_allocno * allocno_row_words alone can be more 1595 than 2.5Mb sometimes. 1596 1597Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com> 1598 1599 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of 1600 DEST for the spill, adjust mode of SRC to compensate. 1601 1602Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com> 1603 1604 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p, 1605 since any_memory_operand() allows pseudos during reload. 1606 (reload_inhi, reload_outqi, reload_outhi): Likewise. 1607 1608Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com> 1609 1610 * m68k.md (btst patterns): Add 5200 support. 1611 1612Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl> 1613 1614 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3) 1615 optimizations, look inside dividend to determine if the expression 1616 can be simplified by using EXACT_DIV_EXPR. 1617 1618Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com> 1619 1620 From Brendan: 1621 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".". 1622 1623Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com> 1624 1625 * alpha.c (summarize_insn [SUBREG]): Propagate SET. 1626 1627Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com> 1628 1629 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap 1630 on a CLOBBER. 1631 1632Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com> 1633 1634 * alpha.md (movqi, movhi): Make sure new insns created during reload 1635 won't need reloading themselves. 1636 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise. 1637 1638Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com) 1639 1640 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg. 1641 1642Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com> 1643 1644 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask. 1645 Patch from Klaus Kaempf <kkaempf@progis.de>. 1646 1647Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com) 1648 1649 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference 1650 to an element in a constant string. 1651 1652Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com> 1653 1654 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32 1655 bit PC-relative offset. The exception range table pointer is now in 1656 the CIE. 1657 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta. 1658 (count_fdes, add_fdes, get_cie): Adjust. 1659 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses. 1660 1661 From H.J. Lu: 1662 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries. 1663 1664Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com> 1665 1666 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just 1667 like stack_pointer_rtx. 1668 1669Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de> 1670 1671 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap 1672 targets using "$@" to provide support for similar but not identical 1673 targets without having to duplicate code. 1674 (bootstrap4): New goal. 1675 1676 * Makefile.in (compare, compare-lean, compare3): Combined to one 1677 ruleset determining actions to be performed via $@. 1678 (compare4, compare4-lean): New targets. 1679 (gnucompare, gnucompare3): Combined to one ruleset determining 1680 actions to be performed via $@. Also, note which files failed 1681 the comparison test in .bad_compare. 1682 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets. 1683 1684Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl> 1685 1686 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR 1687 if the dividend is a multiple of the divisor. 1688 1689Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com) 1690 1691 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions. 1692 1693 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC, 1694 and POS_DEC. 1695 1696 * alias.c (true_dependence): Fix typo. 1697 1698 * toplev.c (flag_rerun_loop_opt): New variable. 1699 (f_options): Handle -frerun-loop-opt. 1700 (rest_of_compilation): If -frerun-loop-opt, then run the loop 1701 optimizer twice. 1702 (main): Enable -frerun-loop-opt by default for -O2 or greater. 1703 1704 * loop.c (simplify_giv_expr): Adding two invariants results 1705 in an invariant. 1706 1707Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com> 1708 1709 * expr.c (get_inner_reference): Remove the array bias after 1710 converting the index to Pmode. 1711 1712Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com) 1713 1714 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug. 1715 (TARGET_MULT_BUG): Define. 1716 (TARGET_DEFAULT): Default to TARGET_MULT_BUG. 1717 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG. 1718 1719Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com) 1720 1721 * mn10200.c (indirect_memory_operand): Delete unused function. 1722 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'. 1723 * mn10200.md (bset, bclr insns): Handle output in a reg too. 1724 1725Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com> 1726 1727 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide 1728 the callee's ldgp, we must do it ourselves, and we use the jsr tag 1729 for more than scheduling. 1730 1731Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com> 1732 1733 * sparc/sparc.h (ASM_SPEC): Delete asm_arch. 1734 1735Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com) 1736 1737 * mn10300.c (symbolic_operand, legitimize_address): New functions. 1738 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address. 1739 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic. 1740 1741Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com) 1742 1743 * version.c: Bump for snapshot. 1744 1745Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1746 1747 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string 1748 for FILENAME. 1749 1750Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com) 1751 1752 * toplev.c (flag_exceptions): Default value is 2. 1753 (compile_file): If flag_exceptions still has the value 2, then 1754 set it to 0. 1755 1756 * rs6000.c (struct machine_function): Add pic_offset_table_rtx. 1757 (rs6000_save_machine_status): Save pic_offset_table_rtx. 1758 (rs6000_restore_machine_status: Restore pic_offset_table_rtx. 1759 1760 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions 1761 are shared. 1762 1763 * rs6000.md (*movsi_got_internal_mem): New pattern. 1764 (*movsi_got_internal_mem splitter): New define_split. 1765 1766Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com> 1767 1768 * obstack.h (obstack_empty_p): Fix spurious space after backslash. 1769 1770Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au> 1771 1772 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we 1773 only need to save LR. 1774 1775Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com) 1776 1777 * mn10300.md (movqi, movhi): Avoid using address registers as 1778 destinations unless absolutely necessary. 1779 1780 * mn10200.c (expand_prologue): Fix typo. 1781 1782 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed 1783 addresses. 1784 * mn10200.md (neghi2): Provide an alternative which works if 1785 the input and output register are the same. 1786 1787 * mn10300.c (print_operand): Handle 'S'. 1788 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for 1789 shift amount in last alternative. 1790 1791 * mn10300.c (expand_epilogue): Rework to handle register restores 1792 in "ret" and "retf" instructions correctly. 1793 1794Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com> 1795 1796 * expmed.c (extract_bit_field): Don't make flag_force_mem disable 1797 extzv for memory operands. 1798 1799 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse 1800 redundant conditional moves to single operand. 1801 1802Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com> 1803 1804 * v850.h: Move define of __v850__ from CPP_PREDEFINES 1805 to CPP_SPEC. 1806 1807 * xm-v850.h: Use __v850 rather than __v850__ to 1808 identify v850 port. 1809 1810Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com> 1811 1812 * mips/mips.c (compute_frame_size): Not a leaf function if 1813 profile_flag set. 1814 1815Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au> 1816 1817 * rs6000/t-ppccomm: Use -msdata=none for crtstuff. 1818 1819Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com> 1820 1821 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete. 1822 (DEFAULT_ARCH32_P): New macro. 1823 (TARGET_ARCH{32,64}): Allow compile time or runtime selection. 1824 (enum cmodel): Declare. 1825 (sparc_cmodel_string,sparc_cmodel): Declare. 1826 (SPARC_DEFAULT_CMODEL): Provide default. 1827 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}. 1828 (TARGET_FULLANY): Deleted. 1829 (TARGET_CM_MEDMID): New macro. 1830 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC. 1831 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. 1832 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch). 1833 (CPP_SPEC): Rewrite. 1834 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros. 1835 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros. 1836 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros. 1837 (ASM_SPEC): Add %(asm_arch). 1838 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default. 1839 Rename asm_default to asm_cpu_default. 1840 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian, 1841 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch. 1842 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH. 1843 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values. 1844 (MASK_INT64,MASK_LONG64): Delete. 1845 (MASK_ARCH64): Renamed to MASK_64BIT. 1846 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete. 1847 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG. 1848 (TARGET_SWITCHES): Always provide 64 bit options. 1849 (ARCH64_SWITCHES): Delete. 1850 (TARGET_OPTIONS): New option -mcmodel=. 1851 (INT_TYPE_SIZE): Always 32. 1852 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH. 1853 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_.... 1854 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support. 1855 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'. 1856 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by 1857 CPP_SPEC. 1858 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. 1859 * sparc/linux.h: Likewise. 1860 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete. 1861 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. 1862 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT. 1863 (SPARC_DEFAULT_CMODEL): Define. 1864 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. 1865 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. 1866 (LONG_DOUBLE_TYPE_SIZE): Define. 1867 (ASM_SPEC): Add %(asm_arch). 1868 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. 1869 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. 1870 (TARGET_CPU_DEFAULT): Add ultrasparc case. 1871 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete. 1872 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. 1873 (SPARC_DEFAULT_CMODEL): Define. 1874 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete. 1875 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete 1876 MASK_LONG64, MASK_MEDANY. 1877 (SPARC_DEFAULT_CMODEL): Define. 1878 (CPP_PREDEFINES): Delete. 1879 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. 1880 (ASM_SPEC): Add %(asm_arch). 1881 (LONG_DOUBLE_TYPE_SIZE): Define. 1882 (DWARF2_DEBUGGING_INFO): Define. 1883 * sparc/splet.h (CPP_SPEC): Delete. 1884 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. 1885 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support. 1886 (BLOCK_PROFILER): Likewise. 1887 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals. 1888 (sparc_override_options): Handle code model selection. 1889 (sparc_init_expanders): Renamed from sparc64_init_expanders. 1890 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_.... 1891 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY. 1892 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_.... 1893 (sethi_di_fullany): Delete. 1894 1895Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de> 1896 Jeff Law <law@cygnus.com> 1897 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 1898 1899 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case. 1900 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise. 1901 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise. 1902 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise. 1903 * alpha/alpha.md (arg_home): Likewise. 1904 1905 * alpha/alpha.c (vmskrunch): Delete. 1906 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete. 1907 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't 1908 truncate to 64 characters. 1909 1910 * make-l2.com: Support openVMS/Alpha. 1911 1912 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX. 1913 1914Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 1915 1916 * longlong.h (count_leading_zeros): Add missing casts to USItype. 1917 1918Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com) 1919 1920 * i386/bsd386.h (ASM_COMMENT_START): Define. 1921 1922Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com> 1923 1924 * tree.c (restore_tree_status): Also free up temporary storage 1925 when we finish a toplevel function. 1926 (dump_tree_statistics): Print stats for backend obstacks. 1927 1928Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com> 1929 1930 * expr.c (use_group_regs): Don't call use_reg for MEMs. 1931 1932Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com> 1933 1934 * libgcc2.c (__throw): Don't copy the return address. 1935 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address. 1936 1937 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized). 1938 * toplev.c (main): Initialize exceptions_via_longjmp. 1939 1940 * tree.c: Add extra_inline_obstacks. 1941 (save_tree_status): Use it. 1942 (restore_tree_status): If this is a toplevel inline obstack and we 1943 didn't want to save anything on it, recycle it. 1944 (print_inline_obstack_statistics): New fn. 1945 * function.c (pop_function_context_from): Pass context to 1946 restore_tree_status. 1947 * obstack.h (obstack_empty_p): New macro. 1948 1949Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com) 1950 1951 * i386/freebsd.h (ASM_COMMENT_START): Fix. 1952 1953Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com) 1954 1955 * v850.c (ep_memory_offset): New function. 1956 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it. 1957 1958 * v850.h (CONST_OK_FOR_*): Add and correct comments. 1959 (CONSTANT_ADDRESS_P): Add comment. 1960 (EXTRA_CONSTRAINT): Define 'U'. 1961 * v850.md: Add comments on bit field instructions. 1962 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative. 1963 (lshrsi3): Use N not J constraint. 1964 1965 * v850.md (v850_tst1+1): New define_split for tst1 instruction. 1966 1967 * v850.c (reg_or_0_operand): Call register_operand. 1968 (reg_or_int5_operand): Likewise. 1969 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros. 1970 (TARGET_SWITCHES): Add "big-switch". 1971 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE, 1972 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH. 1973 (CASE_DROPS_THROUGH): Comment out. 1974 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define. 1975 * v850.md (cmpsi): Delete compare mode. 1976 (casesi): New pattern. 1977 1978 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero. 1979 * v850.md (ashlsi3): Use SImode not QImode for shift count. 1980 (lshrsi3): Likewise. 1981 1982 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete 1983 unreachable switch statement after 'b' support. Remove "b" from 1984 strings for 'b' support. 1985 * v850.md (branch_normal, branch_invert): Change %b to b%b. 1986 1987Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com) 1988 1989 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an 1990 empty line if @inhibit_libc@ is empty. 1991 1992Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com) 1993 1994 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj. 1995 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined. 1996 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. 1997 (DWARF2_UNWIND_INFO): Let this track object file format. 1998 (EXTRA_SECTIONS): Add in_eh. 1999 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define. 2000 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. 2001 2002Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu> 2003 2004 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2. 2005 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when 2006 TARGET_MEDANY. 2007 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed. 2008 (output_double_int): Output DI mode values correctly when 2009 HOST_BITS_PER_WIDE_INT is 64. 2010 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use 2011 fmovd so it works if a quad float ends up in one of the upper 32 2012 float regs. 2013 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns 2014 necessary for PIC support on sparc64. 2015 2016Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com> 2017 2018 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS. 2019 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64. 2020 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define. 2021 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros. 2022 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros. 2023 (SPARC_FP_ARG_FIRST): New macro. 2024 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now. 2025 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs. 2026 (NPARM_REGS): There are 32 fp argument registers now. 2027 (FUNCTION_ARG_REGNO_P): Likewise. 2028 (FIRST_PARM_OFFSET): Update to new v9 abi. 2029 (REG_PARM_STACK_SPACE): Define for arch64. 2030 (enum sparc_arg_class): Delete. 2031 (sparc_arg_count,sparc_n_named_args): Delete. 2032 (struct sparc_args): Redefine and use for arch32 as well as arch64. 2033 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete. 2034 (FUNCTION_ARG_ADVANCE): Rewrite. 2035 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite. 2036 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite. 2037 (FUNCTION_ARG_CALLEE_COPIES): Delete. 2038 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define. 2039 (STRICT_ARGUMENT_NAMING): Define. 2040 (doublemove_string): Declare. 2041 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete. 2042 (single_move_string): Use GEN_INT, and HOST_WIDE_INT. 2043 (doublemove_string): New function. 2044 (output_move_quad): Clean up some of the arch64 support. 2045 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64. 2046 Don't add 8 bytes of reserved space if arch64. 2047 (sparc_builtin_saveregs): Combine arch32/arch64 versions. 2048 (init_cumulative_args): New function. 2049 (function_arg_slotno): New static function. 2050 (function_arg,function_arg_partial_nregs): New functions. 2051 (function_arg_{pass_by_reference,advance}): New functions. 2052 (function_arg_padding): New function. 2053 * ginclude/va-sparc.h: Rewrite v9 support. 2054 2055Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> 2056 2057 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P 2058 for hard regs to determine base and index registers. 2059 2060 * reload.c (debug_reload_to_stream): New function. Specify stream 2061 into which to write debug info. 2062 (debug_reload): Modify to call debug_reload_to_stream with stderr. 2063 2064Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com> 2065 2066 * combine.c (can_combine_p): Don't combine with an asm whose 2067 output is a hard register. 2068 2069Thu Oct 16 15:43:26 1997 Mike Stump <mrs@wrs.com> 2070 2071 * c-decl.c (start_struct): Ensure that structs with forward 2072 declarations are in fact packed when -fpack-struct is given. 2073 2074 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if 2075 we are packing a structure. This allows a structure with only 2076 bytes to be aligned on a byte boundary and have no padding on a 2077 m68k. 2078 2079Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 2080 2081 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record. 2082 2083Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com> 2084 2085 * alpha.c (alpha_return_addr_rtx): New variable. 2086 (alpha_save_machine_status): New; save it. 2087 (alpha_restore_machine_status): New; restore it. 2088 (alpha_init_expanders): New; clear it. 2089 (alpha_return_addr): New; set it. 2090 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live 2091 is overly conservative, so search the insns explicitly. 2092 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed. 2093 (alpha_sa_size [VMS && !VMS]): Likewise. 2094 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr. 2095 (INIT_EXPANDERS): New definition. 2096 2097 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file. 2098 (output_prolog [!VMS]): Use them. 2099 2100 * alpha.c (output_prolog [!VMS]): Move gp detection to ... 2101 (alpha_does_function_need_gp): ... a new function. Refine the 2102 CALL_INSN test to just TYPE_JSR. 2103 * alpha.md (most call insns): Fix some jsr/ibr type transpositions. 2104 2105Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com) 2106 2107 * version.c: Bump for snapshot. 2108 2109Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 2110 2111 * pa.c (move_operand): Respect -mdisable-indexing. 2112 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. 2113 2114Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu> 2115 2116 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for 2117 PPC601. 2118 (umulsidi3,umulsi3_highpart): Likewise. 2119 (smulsi3_highpart_no_mq): Add !TARGET_POWER. 2120 2121Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com> 2122 2123 * alpha.c (final_prescan_insn): Gut, remove and transform to ... 2124 (alpha_handle_trap_shadows): ... a new function. Handle the entire 2125 function in one go. Emit RTL for trapb, instead of printf directly. 2126 (alpha_reorg): New function. Call alpha_handle_trap_shadows. 2127 (trap_pending): Kill global variable. 2128 (output_epilog): Don't call final_prescan_insn. 2129 (struct shadow_summary): Elide $31 and $f31; now it fits in a word. 2130 * alpha.h (FINAL_PRESCAN_INSN): Remove. 2131 (MACHINE_DEPENDENT_REORG): Define. 2132 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill. 2133 (trapb): New insn. 2134 2135Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com> 2136 2137 Tune Haifa scheduler for Alpha: 2138 * alpha.h (ISSUE_RATE): Define. 2139 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply 2140 EV4 adjustments to EV5. 2141 * alpha.md: Remove all scaling from function unit delays. Rework 2142 EV5 function units to match the CPU. 2143 (umuldi3_highpart): EV5 added the IMULH insn class. 2144 2145Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com) 2146 2147 * pa.c (following_call): Fail if the CALL_INSN is an indirect 2148 call. 2149 2150Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net> 2151 2152 * cplus-dem.c (demangle_signature): Don't look for return types on 2153 constructors. Handle member template constructors. 2154 2155Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com> 2156 2157 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns. 2158 * tree.h: Declare them. 2159 2160Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com> 2161 2162 * configure.in: Handle --with-newlib. 2163 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@. 2164 2165 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete. 2166 2167Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com) 2168 2169 * config/ptx4.h: Fix typo. 2170 2171Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com) 2172 2173 * version.c: Bump for snapshot. 2174 2175Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de> 2176 2177 * aclocal.m4: Substitute INSTALL. 2178 * configure: Re-built. 2179 2180Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com) 2181 2182 * integrate.c (save_for_inline_copying): Avoid undefined pointer 2183 operations. 2184 (expand_inline_function): Likewise. 2185 2186 * dwarf2out.c (output_call_frame_info): Reinstate last change 2187 using flag_debug_asm check instead of flag_verbose_asm. 2188 2189Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com> 2190 2191 * dwarf2out.c (output_call_frame_info): Remove last change. 2192 21931997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> 2194 2195 * frame.c (__frame_state_for): Execute the FDE insns until the 2196 current pc value is strictly bigger than the target pc value. 2197 2198Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com> 2199 2200 * regclass.c (init_reg_modes): If we can't find a mode for the 2201 register, use the previous one. 2202 2203Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com> 2204 2205 * haifa-sched.c (print_block_visualization): Call fprintf directly, 2206 don't sprintf through an alloca'ed buffer. 2207 2208Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de) 2209 2210 * reload.c (decompose): Always initialize val.base. 2211 2212Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) 2213 2214 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment 2215 instead of aborting. 2216 * dwarf2out.c (output_call_frame_info): Call app_enable and 2217 app_disable to let GNU as accept the generated comments. 2218 2219Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com> 2220 2221 * tree.h (get_file_function_name): Add declaration. 2222 * dwarf2out.c (output_call_frame_info): No need to cast 2223 get_file_function_name call anymore. 2224 * profile.c (toplevel): Remove get_file_function_name 2225 declaration. 2226 * c-lang.c (finish_file): Likewise. 2227 2228Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net> 2229 2230 * Makefile.in (program_transform_name): Let autoconf substitute 2231 the correct value. 2232 2233Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com) 2234 2235 * haifa-sched.c (schedule_block): If the first real insn in a 2236 block has any special notes attached to it, remove them. 2237 2238Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com> 2239 2240 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5. 2241 2242Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) 2243 2244 * m88k.c (m88k_begin_prologue): Remove superfluous backslash. 2245 2246Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com) 2247 2248 * Makefile.in (check-g77): New test target. 2249 (CHECK-TARGETS): Add check-g77. 2250 2251Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com> 2252 2253 * toplev.c (rest_of_compilation): Defer all non-nested inlines. 2254 2255Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com> 2256 2257 * flow.c (print_rtl_with_bb): Cast alloca return value for 2258 in_bb_p. 2259 2260Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com> 2261 2262 * i386.h (RETURN_ADDR_RTX): New definition that works for 2263 __builtin_return_address(0) and -fomit-frame-pointer. 2264 2265Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com> 2266 2267 Bring over from FSF. 2268 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com> 2269 2270 * mips.c (function_arg): Handle passing a struct 2271 containing a double in a DFmode register without the PARALLEL. 2272 2273Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com> 2274 2275 * pexecute.c: Use spawn if __CYGWIN32__. 2276 2277 * pexecute.c: Include "config.h" first, as per autoconf manual 2278 (from Paul Eggert <eggert@twinsun.com>). 2279 2280Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be> 2281 2282 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump 2283 optimization for f/expr.o and f/stb.o. 2284 2285Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com) 2286 2287 * cse.c (this_insn_cc0_mode): Initialize. 2288 2289Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de> 2290 2291 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf. 2292 2293 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization. 2294 2295Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com> 2296 2297 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since 2298 that pair will dual-issue on the 21164 and plus+beq won't. 2299 (bne): Likewise for cmpeq+beq. 2300 2301Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com> 2302 2303 * except.c (find_exception_handler_labels): Correct argument to free. 2304 2305Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com> 2306 2307 * except.c (find_exception_handler_labels): Free LABELS when we're 2308 done. 2309 2310Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com) 2311 2312 * version.c: Bump for snapshot. 2313 2314Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com> 2315 2316 * flow.c (find_basic_blocks): Mark calls as potentially jumping 2317 to the EH labels. 2318 2319Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com) 2320 2321 * configure.in: Substitute for "install" too. 2322 * configure: Rebuilt. 2323 2324Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu> 2325 2326 * Makefile.in (bootstrap-lean, compare-lean): New targets. 2327 2328Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com) 2329 2330 * alias.c (base_alias_check): Two symbols can conflict if they 2331 are accessed via AND. 2332 (memrefs_conflict_p): Likewise. 2333 2334 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn 2335 after flushing argument registers to the stack. 2336 2337 * Makefile.in (mostlyclean): Remove .regmove files. 2338 2339Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com> 2340 2341 * libgcc2.c (__throw): Fix thinko. 2342 2343Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net> 2344 2345 * cplus-dem.c (demangle_template): Add new parameter. Handle new 2346 template-function mangling. 2347 (consume_count_with_underscores): New function. 2348 (demangle_signature): Handle new name-mangling scheme. 2349 2350Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be> 2351 2352 * flow.c (print_rtl_with_bb): Cast alloca return values for variables 2353 start and end. 2354 2355Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com) 2356 2357 * frame.c: Remove last change. 2358 * dwarf2.h: Remove last change. 2359 * tree.h: Add declarations of DWARF2 unwind info support 2360 functions. 2361 2362Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com> 2363 2364 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size. 2365 * tree.h (built_in_function): Likewise. 2366 * expr.c (expand_builtin): Likewise. 2367 * except.h: Likewise. 2368 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn. 2369 * libgcc2.c (copy_reg): New fn. 2370 (__throw): Use it. 2371 2372Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com> 2373 2374 * c-typeck.c (build_binary_op): Warn about comparing signed vs 2375 unsigned if -W is specified and -Wno-sign-compare is not. 2376 * c-decl.c (warn_sign_compare): Initialize to -1. 2377 (c_decode_option): -Wall no longer implies -Wsign-compare. 2378 2379Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> 2380 2381 * frame.c: Include gansidecl.h for PROTO. 2382 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is 2383 defined. Don't declare dwarf2out_cfi_label here. 2384 * dwarf2.h: Add declarations of DWARF2 unwind info support 2385 functions. 2386 * m68k.c: Include dwarf2.h. 2387 (output_function_prologue): Add dwarf2 support. 2388 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros. 2389 (INCOMING_FRAME_SP_OFFSET): Likewise. 2390 2391 * integrate.c (expand_inline_function): Make sure there is at 2392 least one insn that can be used as an insertion point. 2393 2394Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com> 2395 2396 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/ 2397 2398Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com) 2399 2400 * version.c: Bump for snapshot. 2401 2402Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com> 2403 2404 Bring over from FSF. 2405 2406 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com> 2407 2408 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32. 2409 (get_pc_via_rdpc): Renamed from get_pc_sp64. 2410 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call. 2411 2412 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu> 2413 2414 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc. 2415 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=, 2416 -malign-functions=. 2417 (sparc_align_{loops,jumps,funcs}_string): Declare. 2418 (sparc_align_{loops,jumps,funcs}): Declare. 2419 (DEFAULT_SPARC_ALIGN_FUNCS): New macro. 2420 (FUNCTION_BOUNDARY): Use sparc_align_funcs. 2421 (STACK_BIAS): Define. 2422 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform 2423 test. 2424 (SPARC_SETHI_P): New macro. 2425 (CONST_OK_FOR_LETTER_P): Use it. 2426 (ASM_OUTPUT_ALIGN_CODE): Define. 2427 (ASM_OUTPUT_LOOP_ALIGN): Define. 2428 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals. 2429 (sparc_align_{loops,jumps,funcs}): New globals. 2430 (sparc_override_options): Handle -malign-loops=, -malign-jumps=, 2431 -malign-functions=. 2432 (move_operand): Use SPARC_SETHI_P. 2433 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then 2434 perform test. 2435 (arith11_double_operand): Likewise. 2436 (arith10_double_operand): Likewise. 2437 (finalize_pic): Finish sparc64 support. 2438 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of 2439 64 bit constants if able. 2440 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD. 2441 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if 2442 ! TARGET_FPU. 2443 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx. 2444 (get_pc_sp32): Use for sparc64 as well. 2445 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts. 2446 (sethi_di_sp64_const): Likewise. 2447 (movtf_cc_sp64): Check TARGET_HARD_QUAD. 2448 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast. 2449 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise. 2450 2451 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com> 2452 2453 * sparc/linux-aout.h (COMMENT_BEGIN): Delete. 2454 * sparc/linux.h (COMMENT_BEGIN): Likewise. 2455 * sparc/linux64.h (COMMENT_BEGIN): Likewise. 2456 2457 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu> 2458 2459 Add sparc64 linux support. 2460 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h 2461 to xm_file list on 32-bit sparc-linux. 2462 * sparc/xm-sp64.h: New file. 2463 * sparc/linux64.h: New file. 2464 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc. 2465 Don't include xm-sparc.h. 2466 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define. 2467 * glimits.h (LONG_MAX): Handle sparc64. 2468 2469 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com> 2470 2471 * sparc/sysv4.h (ASM_COMMENT_START): Delete. 2472 * sparc.h (ASM_COMMENT_START): Define. 2473 * sparc.c (output_function_prologue): Use it. 2474 (sparc_flat_output_function_{epi,pro}logue): Likewise. 2475 2476 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com> 2477 2478 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete, 2479 use sparc.h's copies. 2480 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print 2481 ascii form as well. 2482 2483 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 2484 2485 * sparc.c (dwarf2out_cfi_label): Add declaration. 2486 (save_regs, output_function_prologue): Remove cast for it. 2487 (sparc_flat_{save_restore,output_function_prologue): Likewise. 2488 ({save,restore}_regs): No longer inline. 2489 2490Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 2491 2492 * fold-const.c (make_range): Correctly handle cases of converting 2493 from unsigned to signed type. 2494 2495Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> 2496 2497 * fold-const.c (merge_ranges): Make sure that if one range is subset 2498 of another, it will always be the second range. Correct (+,-) case to 2499 account for this. 2500 2501Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com> 2502 2503 * final.c (final_end_function): Also do dwarf2 thing if 2504 DWARF2_DEBUGGING_INFO. 2505 (final_start_function): Likewise. 2506 2507Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu> 2508 2509 * expmed.c (expand_divmod): If compute_mode is not the same as 2510 mode, handle the case where convert_modes() causes op1 to no 2511 longer be a CONST_INT. 2512 2513 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED 2514 note holding get_jump_flags() calculation to all JUMP_INSNs. 2515 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA. 2516 * rtl.c (reg_note_name): Add new note types. 2517 2518Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com) 2519 2520 * rtlanal.c (computed_jump_p): Fix typo in last change. 2521 2522Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 2523 2524 * loop.c (indirect_jump_in_function_p): Return 0 2525 by default. 2526 2527Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com) 2528 2529 * rs6000/xm-rs6000.h: Fix thinko in last change. 2530 * rs6000/xm-sysv4.h: Likewise. 2531 2532Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com> 2533 2534 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p. 2535 2536Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com) 2537 2538 * reg-stack.c (find_blocks): Fix thinko in last change. 2539 25401997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> 2541 2542 * m68k.c (output_function_prologue): Add dwarf2 support. 2543 2544 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM, 2545 INCOMING_FRAME_SP_OFFSET): New definitions. 2546 2547Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu> 2548 2549 * combine.c (try_combine): Use NULL_RTX instead of '0' where 2550 appropriate in calls to gen_rtx(). 2551 * cse.c (cse_main): Likewise. 2552 * emit-rtl.c (gen_label_rtx): Likewise. 2553 * expr.c (init_expr_once): Likewise. 2554 * haifa-sched.c (flush_pending_lists, sched_analyze_insn, 2555 sched_analyze, init_rgn_data_dependences, 2556 compute_block_backward_dependences): Likewise. 2557 * sched.c (schedule_insns): Likewise. 2558 * varasm.c (immed_double_const): Likewise. 2559 2560 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to 2561 SPARC_STACK_BIAS for sake of dwarf2 on sparc64. 2562 2563Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com> 2564 2565 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf.. 2566 (MULTILIB_DEFAULTS): Define. 2567 (ASM_SPEC, CPP_SPEC): Handle -mcoff. 2568 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise. 2569 (LIBGCC_SPEC): Likewise. 2570 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define. 2571 (SUBTARGET_SWITCHES): Add -mcoff and -melf. 2572 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC. 2573 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF. 2574 (EXTRA_PARTS, TAROUTOPTS): Delete. 2575 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete. 2576 (MULTILIB_OPTIONS): Define. 2577 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise. 2578 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise. 2579 2580Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com) 2581 2582 * version.c: Bump for snapshot. 2583 2584Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com) 2585 2586 * loop.c (loop_number): Delete function. Change all references 2587 to use uid_loop_num array. 2588 * loop.h (loop_number): Delete declaration. 2589 * unroll.c (unroll_loop): Change "loop_number" references to 2590 use uid_loop_num instead. 2591 2592 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA 2593 conditional. 2594 (loop_unroll_iter): Remove unused variable and all references. 2595 (loop_optimize): Always allocate and clear space for loop_unroll_factor. 2596 (insert_bct): Fix minor formatting problems. 2597 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA. 2598 (loop_unroll_iter): Removed unused decl. 2599 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter. 2600 Always record the unrolling factor. 2601 2602 * cse.c (simplify_relational_operation): Set h0u just like h0s. 2603 Similarly for h1u and h1s. 2604 2605 * flow.c (jmp_uses_reg_or_mem): Deleted unused function. 2606 (find_basic_blocks): Use computed_jump_p to determine if a 2607 particular JUMP_INSN is a computed jump. 2608 * reg-stack.c (find_blocks): Use computed_jump_p to determine 2609 if a particular JUMP_INSN is a computed jump. 2610 * rtlanal.c (jmp_uses_reg_or_mem): New function. 2611 (computed_jump_p): Likewise. 2612 * rtl.h (computed_jump_p): Declare. 2613 * genattrtab.c (pc_rtx): Define and initialize. 2614 * loop.c (loop_optimize): Always determine if the current 2615 function has a computed jump. 2616 (indirect_jump_in_function_p): Use computed_jump_p to determine 2617 if a particular JUMP_INSN is a computed jump. 2618 2619 * loop.c (fix_bct_param): Delete unused function. 2620 (check_bct_param): Likewise. 2621 2622Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com> 2623 2624 * frame.c (__deregister_frame): Check properly for initialized object. 2625 2626Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 2627 2628 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined. 2629 2630Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 2631 2632 * jump.c (thread_jumps): Check can_reverse_comparison_p before 2633 threading a reversed-condition jump. 2634 2635 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p. 2636 * haifa-sched.c (update_flow_info): Likewise. 2637 2638Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com) 2639 2640 * Makefile.in (BOOT_CFLAGS): Use -O2. 2641 2642 * configure.in (strtoul, bsearch): Have autoconf check for these 2643 functions. 2644 * configure, config.in: Rebuilt. 2645 2646 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__. 2647 * mips/mips.h (alloca): Likewise. 2648 * rs6000/xm-rs6000.h (alloca): Likewise. 2649 * rs6000/xm-sysv4.h: Likewise. 2650 2651Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com> 2652 2653 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code. 2654 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along. 2655 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0. 2656 2657 * except.c (end_eh_unwinder): Subtract 1 from return address. 2658 * libgcc2.c (__throw): Likewise. 2659 (find_exception_handler): Don't change PC here. Compare end with >. 2660 2661Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com> 2662 2663 * v850.c (compute_register_save_size): Correct register 2664 number. 2665 * v850.md (save_interrupt, return_interrupt): Correct 2666 register number. 2667 * v850/lib1funcs.asm (save_interrupt): Correct register number. 2668 (return_interrupt): Use stack pointer, not element pointer. 2669 26701997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com> 2671 2672 * configure.in, configure: Make sure to create the stage* and include 2673 symbolic links in each subdirectory. 2674 2675Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com) 2676 2677 * pa.md (reload_peepholes): Don't allow addresses with side 2678 effects for the memory operand. 2679 2680Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com> 2681 2682 * libgcc2.c (find_exception_handler): Subtract one from our PC when 2683 looking for a handler, to avoid hitting the beginning of the next 2684 region. 2685 2686 * except.c (expand_builtin_set_return_addr_reg): Use force_operand. 2687 2688Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com) 2689 2690 * mips/abi64.h (LONG_MAX_SPEC): Define. 2691 * mips.h (LONG_MAX_SPEC): Define. 2692 (CPP_SPEC): Include long_max_spec. 2693 (EXTRA_SPECS): Include long_max_spec. 2694 2695Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com) 2696 2697 * v850.c (construct_save_jarl): Fix thinko in last change. 2698 2699Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com) 2700 2701 * version.c: Bump for snapshot. 2702 2703Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com> 2704 2705 * libgcc2.c (find_exception_handler): Not found is -1. 2706 2707 * integrate.c (expand_inline_function): Move expand_start_bindings 2708 after expanding the arguments. 2709 2710Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com> 2711 2712 * expr.c (expand_expr): Remove previous incorrect change. 2713 If target and slot has no DECL_RTL, then call mark_addressable 2714 again for the slot after we give it RTL. 2715 2716Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com) 2717 2718 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable 2719 again for the slot after we give it RTL. 2720 2721Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com> 2722 2723 * v850.c (register_is_ok_for_epilogue, 2724 pattern_is_ok_for_epilogue, construct_restore_jr, 2725 pattern_is_ok_for_prologue, construct_save_jarl): New functions. 2726 2727 * v850.h (pattern_is_ok_for_prologue, 2728 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New 2729 predicates. 2730 2731 * v850.md: Replace prologue and epilogue patterns with a 2732 match_parallel pattern. 2733 2734Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com) 2735 2736 * aclocal.m4: Add replacement for AC_PROG_INSTALL. 2737 * configure.in: Use EGCS_PROG_INSTALL. 2738 2739Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com) 2740 2741 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an 2742 extern inline function. 2743 2744Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com) 2745 2746 * dwarf2out.c (reg_loc_descriptor): Fix prototype. 2747 (concat_loc_descriptor): New function. 2748 (loc_descriptor): Call it. 2749 (add_AT_location_description): Also elide the descriptor if both 2750 halves of a CONCAT are pseudos. 2751 (add_location_or_const_value_attribute): Recognize CONCAT too. 2752 2753Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com> 2754 2755 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS. 2756 2757 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for 2758 out-or-range reg_offset. 2759 (output_epilog): Likewise. 2760 2761Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com) 2762 2763 * cse.c (simplify_relational_operation): If MODE specifies a 2764 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT 2765 is derived from the sign bit of the low word. 2766 2767Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com> 2768 2769 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86. 2770 2771 * dwarf2.h: Add DW_CFA_GNU_args_size. 2772 * frame.c (execute_cfa_insn): Likewise. 2773 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise. 2774 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns. 2775 (dwarf2out_frame_debug): If this isn't a prologue or epilogue 2776 insn, hand it off to dwarf2out_stack_adjust. 2777 (dwarf2out_begin_prologue): Initialize args_size. 2778 * frame.h (struct frame_state): Add args_size. 2779 * libgcc2.c (__throw): Use args_size. 2780 * final.c (final_scan_insn): If we push args, hand off all insns 2781 to dwarf2out_frame_debug. 2782 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS. 2783 2784 * dwarf2out.c dwarf2out_frame_debug): Fix typo. 2785 Handle epilogue restore of SP from FP. 2786 * emit-rtl.c (gen_sequence): Still generate a sequence if the 2787 lone insn has RTX_FRAME_RELATED_P set. 2788 2789 * frame.c (extract_cie_info): Handle "e" augmentation. 2790 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the 2791 absence of UNALIGNED_*_ASM_OP. 2792 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF. 2793 (output_call_frame_info): Use "e" instead of "z" for augmentation. 2794 Don't emit augmentation fields length. 2795 (dwarf2out_do_frame): Move outside of #ifdefs. 2796 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data 2797 opcodes. 2798 2799 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all. 2800 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here. 2801 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0. 2802 * sparc/sun4gas.h: New file. 2803 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as. 2804 2805 * collect2.c (write_c_file_stat, write_c_file_glob): Declare 2806 __register_frame_table and __deregister_frame. 2807 28081997-09-15 Brendan Kehoe <brendan@cygnus.com> 2809 2810 * except.c (find_exception_handler_labels): Use xmalloc instead of 2811 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million 2812 in some cases. 2813 2814Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com) 2815 2816 * Makefile.in: Various changes to build info files 2817 in the object tree rather than the source tree. 2818 2819Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com) 2820 2821 * fixinc.math: New file to fix math.h on some systems. 2822 * configure.in (freebsd, netbsd): Use fixinc.math on these 2823 systems. 2824 * configure: Rebuilt. 2825 2826Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com) 2827 2828 * regmove.c (regmove_optimize): If we end up moving the 2829 original insn due to lifetime overlaps, make sure to move 2830 REG_NOTES too. 2831 2832Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de> 2833 2834 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure. 2835 2836Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com) 2837 2838 * haifa-sched.c (add_branch_dependences): Make each insn in 2839 a SCHED_GROUP_P block explicitly depend on the previous insn. 2840 2841Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com> 2842 2843 * except.h: Prototype dwarf2 hooks. 2844 * expr.c: Adjust. 2845 2846Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com> 2847 2848 * configure.in (native_prefix): Delete. 2849 (mips-dec-netbsd): Don't set prefix. 2850 (*linux*): Don't set prefix. 2851 2852Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com> 2853 2854 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is 2855 defined. If not defined, include <sys/varargs.h> if 2856 HAVE_SYS_VARARGS_H is defined. 2857 * configure.in: Test for varargs.h and sys/varargs.h. 2858 * configure: Regenerate with autoconf. 2859 * config.in: Regenerate with autoheader. 2860 2861 * cpplib.c (quote_string): Cast first arg of sprintf call 2862 from "unsigned char *" to "char *". 2863 (output_line_command): Likewise. 2864 (macroexpand): Likewise. 2865 (do_line): Cast atoi arg from "unsigned char *" to "char *". 2866 2867Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com) 2868 2869 * version.c: Bump for snapshot. 2870 2871 * Makefile.in (compare): Exit with nonzero status if there 2872 are comparison failures. Note which files failed the 2873 comparison test in .bad_compare. 2874 2875Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 2876 2877 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__. 2878 2879Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com> 2880 2881 * Makefile.in (LN, LN_S): New macros, use where appropriate. 2882 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests. 2883 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN. 2884 * configure: Regenerated. 2885 2886Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com) 2887 2888 * loop.c (strength_reduce): Fix typo. 2889 2890Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com> 2891 2892 * m88k/m88k.c (struct option): Rename to struct options. 2893 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here. 2894 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments. 2895 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not 2896 __DOLPHIN__ or sysV88. 2897 2898Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com> 2899 2900 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when 2901 create new subreg. 2902 2903Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com) 2904 2905 * config.sub: Accept 'amigados' for backward compatibility. 2906 2907Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 2908 2909 * Makefile.in (testsuite/site.exp): New target. 2910 (check-gcc, check-g++): Depend on testsuite/site.exp. 2911 Don't stop for failure. 2912 2913Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com> 2914 2915 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum() 2916 if DWARF2_UNWIND_INFO. 2917 2918Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com> 2919 2920 Add support for exception handling using DWARF 2 frame unwind info. 2921 Currently works on SPARC and MIPS, and almost on x86. 2922 2923 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr, 2924 next_stack_level, in_reg_window): Helper fns. 2925 (__throw): Implement for DWARF2_UNWIND_INFO. 2926 2927 * expr.c (expand_builtin): Handle builtins used by __throw. 2928 * tree.h (enum built_in_function): Add builtins used by __throw. 2929 * c-decl.c (init_decl_processing): Declare builtins used by __throw. 2930 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw. 2931 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw. 2932 (expand_builtin_extract_return_addr): Likewise. 2933 (expand_builtin_frob_return_addr): Likewise. 2934 (expand_builtin_set_return_addr_reg): Likewise. 2935 (expand_builtin_eh_stub): Likewise. 2936 (expand_builtin_set_eh_regs): Likewise. 2937 (eh_regs): Choose two call-clobbered registers for passing back values. 2938 2939 * frame.c, frame.h: New files for parsing dwarf 2 frame info. 2940 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c. 2941 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS) 2942 (stmp-multilib): Likewise. 2943 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions. 2944 2945 * except.c: #include "defaults.h". 2946 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO. 2947 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO. 2948 (register_exception_table_p): New fn. 2949 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO. 2950 (end_eh_unwinder): Likewise. 2951 2952 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP, 2953 call __register_frame and __deregister_frame as needed. 2954 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP. 2955 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check 2956 EH_FRAME_SECTION_ASM_OP. 2957 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define. 2958 * mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Define. 2959 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols. 2960 2961 * dwarf2out.c (output_call_frame_info): If no support for 2962 EXCEPTION_SECTION, mark the start of the frame info with a 2963 collectible tag. 2964 * collect2.c (frame_tables): New list. 2965 (is_ctor_dtor): Recognize frame entries. 2966 (scan_prog_file): Likewise. 2967 (main): Pass -fno-exceptions to sub-compile. Also do collection 2968 if there are any frame entries. 2969 (write_c_file_stat): Call __register_frame_table and 2970 __deregister_frame as needed. 2971 (write_c_file_glob): Likewise. 2972 2973 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported. 2974 Also require unaligned reloc support. 2975 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, 2976 UNALIGNED_DOUBLE_INT_ASM_OP): Define here. 2977 * sparc/sysv4.h: Not here. 2978 2979 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}. 2980 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init. 2981 (dwarf2out_finish): Don't call dwarf2out_frame_finish. 2982 2983 * libgcc2.c (L_eh): Reorganize, moving code shared by different 2984 EH implementations to the top. 2985 (find_exception_handler): Split out. Start from 0. Compare against 2986 end with >=. 2987 (__find_first_exception_table_match): Use it. 2988 * except.c (output_exception_table): Don't do anything if there's 2989 no table. Don't output a first entry of zeroes. 2990 (eh_outer_context): Adjust properly. 2991 (add_eh_table_entry): Use xrealloc. 2992 * toplev.c (compile_file): Just call output_exception_table. 2993 2994Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com> 2995 2996 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case. 2997 2998Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se> 2999 3000 * except.c (eh_outer_context): Do masking using expand_and. 3001 3002Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com> 3003 3004 Add port done awhile ago for the ARC cpu. 3005 * arc/arc.h: New file. 3006 * arc/arc.c: New file. 3007 * arc/arc.md: New file. 3008 * arc/initfini.c: New file. 3009 * arc/lib1funcs.asm: New file. 3010 * arc/t-arc: New file. 3011 * arc/xm-arc.h: New file. 3012 * ginclude/va-arc.h: New file. 3013 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__. 3014 * ginclude/varargs.h: Likewise. 3015 * Makefile.in (USER_H): Add va-arc.h. 3016 * configure.in (arc-*-elf*): Recognize. 3017 * longlong.h: Add ARC support. 3018 3019Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com) 3020 3021 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx. 3022 when clearing non-BLKmode data. 3023 3024Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de> 3025 3026 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Define. 3027 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too. 3028 3029 * xm-m88k.h (USG): Only define if it hasn't already been defined. 3030 3031 * Makefile.in (risky-stage1): Delete gratuitous whitespace. 3032 3033 * Makefile.in (clean): Delete libgcc1-test. 3034 3035 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo. 3036 3037Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com> 3038 3039 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list 3040 template. 3041 3042Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 3043 3044 * dwarf2out.c (output_call_frame_info): Call named_section. 3045 3046Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com) 3047 3048 * haifa-sched.c (print_value): Fix last change. 3049 3050Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com> 3051 3052 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of 3053 write_symbols. 3054 3055Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com> 3056 3057 * mips.c (function_prologue): Set up the CFA when ABI_32. 3058 3059 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG 3060 for dwarf2 unwind info. 3061 (output_function_prologue, sparc_flat_output_function_prologue): Same. 3062 3063 * final.c (final_end_function): Check dwarf2out_do_frame instead 3064 of DWARF2_DEBUG for dwarf2 unwind info. 3065 (final_scan_insn): Likewise. 3066 (final_start_function): Likewise. Initialize dwarf2 frame debug here. 3067 (final): Not here. 3068 3069 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if 3070 count > 0. 3071 3072 * varasm.c (exception_section): Check EXCEPTION_SECTION first. 3073 3074Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com> 3075 3076 * v850.h (ASM_SPEC): Pass on target processor. 3077 (CPP_PREDEFINES): Only define if not already specified. 3078 (TARGET_VERSION): Only define if not already specified. 3079 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target 3080 processor. 3081 (EXTRA_SWITCHES): Extra entries in the switches array. 3082 (TARGET_DEFAULT): Set default target processor. 3083 3084Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com> 3085 3086 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA 3087 cases, add %# and %/, and add : to make them into extended asms. 3088 3089Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu> 3090 3091 * alias.c (init_alias_analysis): Clean up incompatible pointer 3092 type warning in bzero. 3093 * regmove.c (regmove_optimize): Likewise. 3094 * haifa-sched.c (find_rgns): Likewise. 3095 3096 * haifa-sched.c (print_value): Clean up ptr->int cast 3097 warnings. 3098 3099Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com> 3100 3101 * INSTALL: Change 'amigados' to 'amigaos' to match current usage. 3102 * install.texi (Configurations): Likewise. 3103 * config.sub: Likewise. 3104 3105Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu) 3106 3107 * Makefile.in (sdbout.o): Depend on insn-config.h. 3108 3109Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com> 3110 3111 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881. 3112 For 68303, 68332, cpu32, subtract MASK_68040_ONLY. 3113 3114Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com> 3115 3116 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL 3117 prologue insn, only the first elt is significant. 3118 (output_call_frame_info): For exception handling, always use 4-byte 3119 fields as specified by the dwarf2 spec. 3120 Don't skip trivial FDEs. 3121 3122Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com) 3123 3124 * version.c: Bump for snapshot. 3125 3126Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se) 3127 3128 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp 3129 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR 3130 when op1_is_pow2. 3131 3132Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com) 3133 3134 * final.c (shorten_branches): During first pass, assume worst 3135 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns. 3136 3137 * Makefile.in (distclean): Remove various things left around 3138 by running the testsuite. 3139 3140Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de> 3141 3142 * configure.in (out_file): Emit definition to config.status in order 3143 to have a defined value for configure.lang. 3144 * configure: Re-built. 3145 3146Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl) 3147 3148 * configure.in: Make symlink to as-new rather than as.new. Similarly 3149 for ld-new. 3150 * configure: Rebuilt. 3151 3152Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com> 3153 3154 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero. 3155 3156Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE> 3157 3158 * sparc/sparc.md: Add ultrasparc scheduling support. 3159 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns. 3160 3161Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be> 3162 3163 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR, 3164 as initial value for real_label_map. 3165 (copy_for_inline): Likewise. 3166 3167Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 3168 3169 * sched.c (update_flow_info): When looking if to set found_split_dest 3170 or found_orig_dest, look at all parts of a PARALLEL. 3171 * haifa-sched.c (update_flow_info): Likewise. 3172 3173Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com) 3174 3175 * v850: New directory for v850 port. 3176 * v850/lib1funcs.asm: New file. 3177 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files. 3178 * ginclude/va-v850.h: New file. 3179 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h. 3180 * configure.in (mn10200-*-*): New target. 3181 * configure: Rebuilt. 3182 * config.sub: Handle v850-elf. 3183 * Makefile.in (USER_H): Add va-mn10200.h. 3184 * invoke.texi: Document v850 stuff. 3185 3186Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com) 3187 3188 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN 3189 has integer TYPE_{MAX,MIN}_VALUE before using them. 3190 3191 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add 3192 __HPUX_ASM__ versions. 3193 3194Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com) 3195 3196 * install.sh: Delete duplicate install script. 3197 3198Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com) 3199 3200 * reg-stack.c (subst_stack_regs): Pop the stack register for a 3201 computed goto which sets the same stack register. 3202 3203 * reg-stack.c (compare_for_stack_reg): Swap only if the source and 3204 destination are both on the regstack. 3205 (subst_stack_regs_pat): Put the destination at the top of the regstack. 3206 3207Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com> 3208 3209 * mips.md (nonlocal_goto_receiver): Define. 3210 3211 * profile.c (output_arc_profiler): Check next_insert_after for non 3212 NULL before deferencing it. 3213 3214 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC. 3215 3216Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com) 3217 3218 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif. 3219 3220Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com> 3221 3222 * toplev.c (rest_of_compilation): For passes starting with 3223 flow_analysis, use print_rtl_with_bb instead of print_rtl. 3224 3225 * print-rtl.c (print_rtl_single): Print a single rtl value to a 3226 file. 3227 3228 * flow.c (print_rtl_with_bb): Print which insns start and end 3229 basic blocks. For the start of a basic block, also print the live 3230 information. 3231 3232Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com> 3233 3234 * toplev.c (main): Change #elif to #else/#ifdef. 3235 3236 * tlink.c: Include ctype.h. 3237 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif. 3238 3239Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com) 3240 3241 * bitmap.c: Conditionally include stdlib.h. 3242 (free): Provide a declaration if NEED_DECLARATION_FREE. 3243 3244Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com) 3245 3246 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro. 3247 3248Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com) 3249 3250 * profile.c (output_arc_profiler): Verify next_insert_after is an 3251 INSN before and after skipping a stack pop. 3252 3253Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk> 3254 3255 * final.c (shorten_branches): Don't count the lengths of deleted 3256 instructions. 3257 3258Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com) 3259 3260 * version.c: Bump for snapshot. 3261 3262Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com> 3263 3264 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over 3265 two bitmaps ANDed together. 3266 (bitmap_print): Declare. 3267 3268 * bitmap.c (function_obstack): Don't declare any more. 3269 (bitmap_obstack): Obstack for allocating links from. 3270 (bitmap_obstack_init): New static to say whether to initialize 3271 bitmap_obstack. 3272 (bitmap_element_allocate): Use bitmap_obstack to allocate from. 3273 (bitmap_release_memory): Free all memory allocated from 3274 bitmap_obstack. 3275 3276 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke 3277 EXECUTE_IF_AND_IN_BITMAP. 3278 3279Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com> 3280 3281 * alias.c (true_dependence): Address with AND can alias scalars. 3282 (anti_dependence, output_dependence): Likewise. 3283 3284 * alias.c (true_dependence): Test x for BLKmode, in addition to mem. 3285 3286Wed Sep 3 09:28:50 1997 Joel Sherrill (joel@OARcorp.com) 3287 3288 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h, 3289 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h, 3290 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES 3291 definitions. Use -qrtems instead of -mrtems. 3292 3293Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com) 3294 3295 * xm-sco5.h (sys_siglist): Define. 3296 (SYS_SIGLIST_DECLARED): Likewise. 3297 3298Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com) 3299 3300 * expr.c (convert_move): Handle truncation from TQFmode to QFmode. 3301 3302Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se> 3303 3304 * except.c (eh_outer_context): Expand masking operation using 3305 expand_binop. 3306 3307Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com> 3308 3309 * alpha.md (floatdisf2-1): New pattern. 3310 3311Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com) 3312 3313 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define. 3314 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise. 3315 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise. 3316 * gcc.texi: Note that if you define sys_siglist that you should 3317 also define SYS_SIGLIST_DECLARED. 3318 3319 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions 3320 are relative to the next instruction, not the current instruction. 3321 3322Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com> 3323 3324 * local-alloc.c (contains_replace_regs): New function. 3325 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM, 3326 verify that there is no existing REG_EQUIV note, and add a call to 3327 contains_place_regs. 3328 3329Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 3330 3331 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__. 3332 (STARTFILE_SPEC): Always use crtbegin.o%s. 3333 (ENDFILE_SPEC): Always use crtend.o%s. 3334 3335Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com> 3336 3337 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS 3338 is passed in. 3339 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to 3340 SFmode for 64 bit hosts. 3341 3342Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU> 3343 3344 * fixincludes: Permits spaces between # and define. Discard C++ 3345 comments in sys/pci.h on HP/UX 10.20. 3346 3347Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com) 3348 3349 * version.c: Bump for snapshot. 3350 3351 * pa.c (restore_unscaled_index_insn_codes): New function. 3352 (record_unscaled_index_insn_codes): Likewise. 3353 (output_function_prologue): Call restore_unscaled_index_insn_codes. 3354 (output_function_epilogue): Free memory for unscaled_index_insn_codes. 3355 (pa_reorg): Call record_unscaled_index_insn_codes. 3356 3357 * haifa-sched.c (move_insn): Handle notes correctly for insns 3358 with SCHED_GROUP_P set. 3359 3360Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 3361 3362 * alpha/xm-linux.h (USE_BFD): Undef before define. 3363 3364Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com> 3365 3366 * cse.c (cse_insn): Don't record BLKmode values. 3367 3368Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com) 3369 3370 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches. 3371 3372Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com) 3373 3374 * cccp.c (sys_errlist): Remove special 4.4bsd declaration. 3375 * collect2.c (sys_errlist): Likewise. 3376 * cpplib.c (sys_errlist): Likewise. 3377 * gcc.c (sys_errlist): Likewise. 3378 * protoize (sys_errlist): Likewise. 3379 * configure.in: Check for strerror. 3380 * xm-freebsd.h (HAVE_STRERROR): Remove definition. 3381 * xm-gnu.h (HAVE_STRERROR): Likewise. 3382 * xm-linux.h (HAVE_STRERROR): Likewise. 3383 * xm-netbsd.h (HAVE_STRERROR): Likewise. 3384 * xm-bsd386.h (HAVE_STRERROR): Likewise. 3385 * xm-cygwin32.h (HAVE_STRERROR): Likewise. 3386 * xm-dos.h (HAVE_STRERROR): Likewise. 3387 * xm-mingw32.h (HAVE_STRERROR): Likewise. 3388 * xm-pa.h (HAVE_STRERROR): Likewise. 3389 * xm-papro.h (HAVE_STRERROR): Likewise. 3390 * xm-sysv4.h (HAVE_STRERROR): Likewise. 3391 * configure, config.in: Rebuilt. 3392 3393 * Makefile.in: Add several missing "else true" clauses. 3394 3395 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED. 3396 * mips-tfile.c: Likewise. 3397 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs. 3398 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition. 3399 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise. 3400 * configure.in: Check for sys_siglist declaration. 3401 * configure, config.in: Rebuilt. 3402 3403Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com) 3404 3405 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, 3406 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, 3407 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch. 3408 * i960/i960.h: Added SUBTARGET_SWITCHES macro. 3409 * rs6000/sysv4.h (extra_subtarget_switches): Added new 3410 macro EXTRA_SUBTARGET_SWITCHES. 3411 * configure.in (sh*-*-rtems*): New target. 3412 * sh/rtems.h: New file. 3413 * sh/sh.h: Added SUBTARGET_SWITCHES macro. 3414 * configure: Rebuilt. 3415 3416Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com> 3417 3418 * unroll.c (calculate_giv_inc): Handle increment with code PLUS. 3419 3420Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu> 3421 3422 * rs6000.md: Make DF fused-add operations pay attention to 3423 -mno-fused-add. 3424 3425Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com> 3426 3427 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define. 3428 3429Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com) 3430 3431 * pa.md (reload_peepholes): Make sure operand is a REG before 3432 examining REGNO. Allow general registers too. 3433 3434Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com> 3435 3436 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs. 3437 3438Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de) 3439 3440 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc 3441 to reallocate abbrev_die_table. 3442 3443Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com> 3444 3445 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable. 3446 34471997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> 3448 3449 * Makefile.in (config.status): Depend on version.c. 3450 3451 * expr.h (insn_gen_function): Reenable prototype. 3452 3453 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of 3454 first parameter. 3455 3456Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com> 3457 3458 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic. 3459 3460Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com) 3461 3462 * version.c: Bump for latest snapshot. 3463 3464 * bc-optab.c: Conditionally include stdlib.h. 3465 (free): Provide a declaration if NEED_DECLARATION_FREE. 3466 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE. 3467 * rtl.h (free): Remove declaration. 3468 * tree.h (free): Remvoe declaration. 3469 3470 * configure: Rebuilt. 3471 3472Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com) 3473 3474 * flags.h (flag_move_all_movables): Declare. 3475 (flag_reduce_all_givs): Likewise. 3476 * loop.c (move_movables): Handle flag_move_all_movables. 3477 (strength_reduce): Handle flag_reduce_all_givs. 3478 * toplev.c (flag_move_all_movables): Define. 3479 (flag_reduce_all_givs): Likewise. 3480 (f_options): Add -fmove-all-movables and -freduce-all-givs. 3481 * invoke.texi: Document new options, including alias stuff that 3482 wasn't included last time. 3483 3484Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com) 3485 3486 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS. 3487 * t-mn10200: Likewise. 3488 * t-vxsparc: Likewise. 3489 * t-vxworks68: Likewise. 3490 * t-vxworks960: Likewise. 3491 * t-vx29k: Likewise. 3492 3493Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com> 3494 3495 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC 3496 if not already defined, and USE_C_ALLOCA not defined. 3497 3498Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com> 3499 3500 * config.guess: Replace with script that uses ../config.guess. 3501 3502 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 3503 if USE_GNULIBC_1 is not defined. 3504 3505Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com> 3506 3507 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1. 3508 * config.guess: Recognize alpha-linux-gnulibc1. 3509 * configure.in (alpha-*-linux-gnulibc1): New target. 3510 (alpha-*-linux-gnu*): Don't build crtbegin/end. 3511 3512Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com> 3513 3514 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in 3515 last change. 3516 3517Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com> 3518 3519 * loop.c (combine_movables): Earlier insns don't match later ones. 3520 3521Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 3522 3523 * config/linux.h (CC1_SPEC): Define it only if not defined. 3524 3525 * config/m68k/linux.h (CC1_SPEC): Undefine it before include 3526 <linux.h> 3527 3528 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if 3529 USE_GNULIBC_1 is not defined. 3530 3531 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1. 3532 3533 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined 3534 as 1 if USE_GNULIBC_1 is not defined. 3535 3536Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com) 3537 3538 * reorg.c (dbr_schedule): Allow current_function_return_rtx 3539 to be something other than a REG. 3540 * function.c (expand_function_end): Fix current_function_return_rtx 3541 if it was a pseudo. 3542 3543 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. 3544 * x-netbsd: Likewise. 3545 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. 3546 (INSTALL_HEADERS): Delete. 3547 * x-dguxbcs: Likewise. 3548 * x-hp3bsd44: Likewise. 3549 * x-pa: Likewise. 3550 3551Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> 3552 3553 * i386.md (pop): pop increments the stack pointer. 3554 (prologue_set_stack_ptr): New pattern. 3555 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr 3556 instead of subsi3. 3557 3558Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com> 3559 3560 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable 3561 address where an offsettable address is required. 3562 3563Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz> 3564 3565 * loop.c (check_final_value): Don't miss a biv increment in a 3566 parallel. 3567 3568Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com) 3569 3570 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check 3571 TYPE_DECL_IS_STUB instead of DECL_NAME. 3572 3573Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 3574 3575 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj. 3576 3577Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com> 3578 3579 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES). 3580 3581Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com) 3582 3583 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code. 3584 (find_post_sched_live): Likewise. 3585 3586 * haifa-sched.c (schedule_block): Remove old code to get arguments 3587 from hard regs into pseudos early. 3588 3589Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com) 3590 3591 * version.c: Bump for new snapshot. 3592 3593 * local-alloc.c (update_equiv_regs): All the target to reject 3594 promotion of some REG_EQUAL to REG_EQUIV notes. 3595 * pa.h (DONT_RECORD_EQUIVALENCE): Define. 3596 3597 * pa.c (secondary_reload_class): (mem (mem ... )) does not need 3598 secondary reloads. 3599 3600 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the 3601 store of the argument registers. 3602 3603Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu) 3604 3605 * fold-const.c (multiple_of_p): New function. 3606 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR. 3607 3608Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com) 3609 3610 * expr.h (insn_gen_function): Temporarily remove prototype. 3611 3612Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com> 3613 3614 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to 3615 filenames. Use sed to extract base filename for install. 3616 3617Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu> 3618 3619 * unroll.c (find_splittable_givs): Only share if two givs have the 3620 same add and multiply values. 3621 3622Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com> 3623 3624 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef. 3625 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it. 3626 3627Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com) 3628 3629 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns 3630 around branch tables. 3631 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab 3632 and .end_brtab directives if TARGET_GAS. 3633 3634Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com> 3635 3636 * alias.c (true_dependence): Pass x_addr not x to varies. 3637 3638 * acconfig.h (NEED_DECLARATION_CALLOC): Add. 3639 * configure.in: Add GCC_NEED_DECLARATION call for calloc. 3640 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete 3641 declarations. 3642 * config.in, configure: Regenerate. 3643 3644Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu> 3645 3646 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and 3647 LO_SUM. 3648 (record_set): Handle LO_SUM like PLUS. 3649 (init_alias_analysis): When following chains of base addresses, 3650 do not stop on reaching a hard register. 3651 3652Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com) 3653 3654 * version.c: Bump for new snapshot. 3655 3656Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com> 3657 3658 * alpha.h (ARCH_ASM_FILE_START): Define. 3659 (ASM_FILE_START): Use ARCH_ASM_FILE_START. 3660 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string. 3661 3662Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com) 3663 3664 * Makefile.in (install-common): Put gcov comment at start of line. 3665 3666Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com) 3667 3668 * alias.c (init_alias_analysis): When simplifying the reg_base_value 3669 array, simplify entries for hard registers too. 3670 3671Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk> 3672 3673 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from 3674 list. 3675 3676Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com> 3677 3678 * stmt.c (start_cleanup_deferral, end_cleanup_deferral): Test 3679 block_stack before dereferencing it. 3680 3681Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com> 3682 3683 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate. 3684 3685Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com> 3686 3687 * cplus-dem.c: Add 'extern' to prepends_underscore. 3688 3689Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com) 3690 3691 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate. 3692 (get_issue_rate): Delete. 3693 * pa.h (ISSUE_RATE): Define. 3694 3695 * configure.in: Turn on haifa by default for the PA. 3696 * configure: Rebuilt. 3697 * pa.c (override_options): Accept -mschedule=7200 option. 3698 (pa_adjust_cost): No longer need to scale costs for newer 3699 processors. 3700 * pa.h (enum processor_type): Add PROCESSOR_7200. 3701 * pa.md: Revamp scheduling parameters to work better with 3702 haifa. Add scheduling parameters for the 7200. 3703 3704 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P 3705 insns too. 3706 (schedule_block): When adjusting basic_block_{head,end}, account 3707 for movement of SCHED_GROUP_P insns too. 3708 3709 * haifa-sched.c (debug_dependencies): Fix thinko. 3710 3711 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define. 3712 (site.exp, check, check-g++, check-gcc): New targets. 3713 3714 * haifa-sched.c: Make lots of variables static. 3715 3716Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu) 3717 3718 * expr.h, real.h: Finish prototyping. 3719 3720Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com> 3721 3722 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR 3723 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads. 3724 * reload1.c: Undo bugfix from Aug 11. 3725 3726Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com> 3727 3728 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single 3729 quotes around the name. 3730 * configure: Regenerate. 3731 3732Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com> 3733 3734 * Makefile.in (stmp-multilib-sub): Fix typo in last change. 3735 3736Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de> 3737 3738 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down 3739 to sub-makes to avoid building more passes than the user might have 3740 requested on the command line. 3741 3742Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk) 3743 3744 * configure.in: Expurgate `broken_install' (install is 3745 autoconfed). 3746 3747 * configure.lang: Substitute autoconfed ${INSTALL} (not currently 3748 relevant). 3749 3750Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com) 3751 3752 * loop.c (is_power_of_2, is_conditional_branch): Delete unused 3753 functions and declarations. 3754 (analyze_loop_iterations): Use condjump_p. 3755 (insert_bct): Likewise. Use exact_log2. 3756 3757Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com) 3758 3759 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed. 3760 (schedule_region): Likewise. 3761 (schedule_insns): Likewise. 3762 3763 * PROJECTS: Update with Haifa stuff. 3764 3765Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com) 3766 3767 * version.c: Change the version string to look like: 3768 egcs-2.90.00 970814 (gcc2-970802 experimental). 3769 3770 * loop.c (is_conditional_branch): Make definition match declaration. 3771 3772 * gcc.c: Take out experimental snapshot warning message. 3773 3774Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com> 3775 3776 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to 3777 print out the names of the notes. Print out the name of the insn 3778 that is not a note, and not an {,CALL_,JUMP_}INSN. 3779 3780Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com> 3781 3782 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable 3783 again for the slot after we give it RTL. 3784 3785Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com> 3786 3787 * configure.in (haifa configury): Fix typo. 3788 * configure: Regenerate. 3789 3790Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com) 3791 3792 * version.c: Bump version to "gcc-3.0.0 970802 experimental". 3793 3794 * gcc.info*: Rebuilt. 3795 3796 * COPYING.g77, README.g77: New files. 3797 * real.c (ereal_unto_float, ereal_unto_double): New functions. 3798 * real.h (ereal_unto_float, ereal_unto_double): Declare them. 3799 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define. 3800 3801Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com) 3802 3803 * Integrate Haifa instruction scheduler. 3804 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references 3805 to sched with $(SCHED_CFLAGS. 3806 * configure.in: Handle --enable-haifa. 3807 * configure: Rebuilt. 3808 * flags.h: Add new flags for haifa instruction scheduler. 3809 * genattrtab.c (expand_units): For haifa, don't subtract one 3810 when computing blockage. 3811 * toplev.h (flag_schedule_interblock): Haifa scheduler flag. 3812 (flag_schedule_speculative): Likewise. 3813 (flag_schedule_speculative_load): Likewise. 3814 (flag_schedule_speculative_load_dangerous): Likewise. 3815 (flag_schedule_reverse_before_reload): Likewise. 3816 (flag_schedule_reverse_after_reload): Likewise. 3817 (flag_branch_on_count_reg): Likewise. 3818 (f_options): Add Haifa switches. 3819 (main): Turn off some Haifa options if appropriate macro is 3820 defined. Process Haifa switches. 3821 * unroll.c (iteration_info): No longer static, since Haifa 3822 scheduler uses it. 3823 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor. 3824 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value. 3825 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls. 3826 * loop.h (loop_initial_value,loop_unroll_iter): New globals. 3827 * loop.c (loop_optimize): If HAIFA is defined, allocate additional 3828 storage for the Haifa scheduler. 3829 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and 3830 LABEL_NEXTREF. 3831 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count 3832 are defined, call analyze_loop_iterations and insert_bct to use 3833 countdown loops. 3834 (record_giv): Refine test for jumps out of loops if HAIFA is 3835 defined. 3836 (analyze_loop_iterations): New function to identify if we can use 3837 a countdown loop. 3838 (insert_bct): Insert countdown loop. 3839 (instrument_loop_bct): Low level code to insert countdown loop. 3840 (loop_number): Calculate UID of loop. 3841 (indirect_jump_in_function_p): Return true if an indirect jump is 3842 in the function. 3843 (is_power_of_2): Return true if value is a power of 2. 3844 (is_conditional_branch): Return true if insn is a conditional 3845 jump. 3846 (fix_bct_param): Process -fbct-{min,max}-N switches. 3847 (check_bct_param): Return true if loop should be instrumented. 3848 * loop.c (loop_initial_value,loop_unroll_iter): New globals. 3849 (loop_optimize): Initialize. 3850 (get_condition_for_loop): Likewise. 3851 * loop.c (strength_reduce): Inside of code that uses #ifdef 3852 HAVE_decrement_and_branch_on_count code, test it to make sure the 3853 condition is true. 3854 (instrument_loop_bct): Likewise. 3855 * haifa-sched.c: New file. 3856 3857 * Integrate regmove pass. 3858 * Makefile.in (OBJS): Add regmove.o. 3859 (regmove.o): Add dependencies. 3860 * flow.c (find_use_as_address): No longer static. 3861 * rtl.h (find_use_as_address): Declare. 3862 * toplev.c (regmove_dump, flag_regmove): Define. 3863 (f_options): Add -fregmove. 3864 (regmove_dump_file, regmove_time): Define. 3865 (fatal_insn): Close the regmove dump file. 3866 (compile_file): Initialize regmove_time; open/close the regmove dump 3867 file as needed. Print regmove time as needed. 3868 (rest_of_compilation): Run regmove pass if requested, dump 3869 RTL after regmove if requested. 3870 (main): If -O2 or more, turn on regmove. Handle dump switches. 3871 * regmove.c: New file. 3872 3873Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com) 3874 3875 * Integrate tlink patch from jason@cygnus.com 3876 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'. 3877 (process_command): Increment n_switches for them. Don't discard 3878 their args. Validate them. 3879 (main): Escape " marks when creating COLLECT_GCC_OPTIONS. 3880 From Rohan Lenard. 3881 (process_command): Set include_prefixes from COMPILER_PATH. 3882 (main): Set COLLECT_GCC_OPTIONS sooner. 3883 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld. 3884 * tlink.c, hash.c, hash.h: New files. 3885 * Makefile.in (USE_COLLECT2): Always use collect2. 3886 (collect2): Depend on and link in hash.o and tlink.o. 3887 (tlink.o, hash.o): Add dependencies. 3888 3889Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com) 3890 3891 * Integrate alias analysis changes from jfc@mit.edu 3892 * Makefile.in (OBJS): Add alias.o. 3893 (alias.o): Add dependencies. 3894 * alias.c: New file. 3895 * sched.c: Remove alias analysis code. It lives in alias.c now. 3896 (sched_analyze_2): Add new arguments to true_dependence. 3897 (schedule_insns): Always call init_alias_analysis. 3898 * calls.c (expand_call): Note calls to malloc, calloc, and realloc; 3899 mark return value from such functions as a pointer and keep track of 3900 them for alias analysis. If a return value from a function is a 3901 pointer, mark it as such. 3902 * combine.c (distribute_notes): Handle REG_NOALIAS. 3903 * cse.c (struct write_data): Delete. No longer needed. 3904 (invalidate): Don't call set_nonvarying_address_components anymore. 3905 Use true_dependence to decide if an entry should be removed from 3906 the hash table. 3907 (invalidate_memory): Remove WRITES argument, simplify appropriately. 3908 Fix all callers. 3909 (note_mem_written): Similarly for WRITE_PTR argument. 3910 (invalidate_from_clobbers): Similarly for W argument. 3911 (invalidate_for_call): Remove memory elements from the hash table. 3912 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted. 3913 (cse_rtx_varies_p): New function. Derived from old 3914 cse_rtx_addr_varies_p. 3915 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references. 3916 Don't call note_mem_written anymore. Stack pushes invalidate the stack 3917 pointer if PUSH_ROUNDING is defined. No longer need to call 3918 cse_rtx_addr_varies_p to decide if a MEM should be invalidated. 3919 (skipped_writes_memory): Remove variable. 3920 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory. 3921 (invalidate_skipped_block): Simplify for new alias analysis code. 3922 (cse_set_around_loop): Likewise. 3923 (cse_main): Call init_alias_analysis. 3924 * flags.h (flag_alias_check, flag_argument_noalias): Declare. 3925 * toplev.c (flag_alias_check, flag_argument_noalias): Define. 3926 (f_options): Add new alias checking arguments. 3927 (main): Set flag_alias_check when optimizing. 3928 * local_alloc (validate_equiv_mem_from_store): Add new arguments 3929 to true_dependence. 3930 (memref_referenced_p): Likewise. 3931 * loop.c (NUM_STORES): Increase to 30. 3932 (prescan_loop): Only non-constant calls set unknown_address_altered. 3933 (invariant_p): Add new arguments to true_dependence. 3934 (record_giv): Initialize unrolled and shared fields. 3935 (emit_iv_add_mult): Call record_base_value as needed. 3936 * loop.h (struct induction): Add unrolled and shared fields. 3937 * unroll.c (unroll_loop): Call record_base_value as needed. 3938 (copy_loop_body): Likewise. 3939 (final_biv_value): Likewise. 3940 (final_giv_value): Likewise. 3941 (find_splittable_regs): Likewise. Only create one new pseudo 3942 if we have multiple address GIVs that were combined with the same 3943 dst_reg GIV. Note when a new register is created due to unrolling. 3944 * rtl.c (reg_note_name): Add REG_NOALIAS. 3945 * rtl.h (enum reg_note): Similarly. 3946 (rtx_varies_p, may_trap_p, side_effects_p): Declare. 3947 (volatile_refs_p, volatile_insn_p, remove_note): Likewise. 3948 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise. 3949 (true_dependence, read_dependence, anti_dependence): Likewise. 3950 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise. 3951 (mark_user_reg, mark_reg_pointer): Likewise. 3952 3953 * Integrate reload bugfix from Wilon which enables the PA port 3954 to bootstrap again. 3955 * reload1.c (reload): Sum needs for both OPADDR_ADDR and 3956 OPERAND_ADDRESS when computing how many registers an insn needs. 3957 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do 3958 conflict. 3959 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like 3960 OPADDR_ADDR reload. 3961 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers 3962 in reload_reg_use_in_op_addr do not reach the end. 3963 do not reach the end. 3964 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with 3965 RELOAD_FOR_OPERAND_ADDRESS. 3966 3967Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com) 3968 3969 * egcs project officially starts. 3970 3971 3972Copyright (C) 1997 Free Software Foundation, Inc. 3973 3974Copying and distribution of this file, with or without modification, 3975are permitted in any medium without royalty provided the copyright 3976notice and this notice are preserved. 3977