1 /* Definitions of target machine for GNU compiler for IA-64. 2 Copyright (C) 1999-2020 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 /* Shared between the driver and cc1. */ 21 extern enum unwind_info_type ia64_except_unwind_info (struct gcc_options *); 22 23 /* Functions defined in ia64.c */ 24 25 extern int bundling_p; 26 #ifdef RTX_CODE 27 extern int ia64_st_address_bypass_p (rtx_insn *, rtx_insn *); 28 extern int ia64_ld_address_bypass_p (rtx_insn *, rtx_insn *); 29 extern int ia64_produce_address_p (rtx); 30 31 extern rtx ia64_expand_move (rtx, rtx); 32 extern int ia64_move_ok (rtx, rtx); 33 extern int ia64_load_pair_ok (rtx, rtx); 34 extern int addp4_optimize_ok (rtx, rtx); 35 extern void ia64_emit_cond_move (rtx, rtx, rtx); 36 extern int ia64_depz_field_mask (rtx, rtx); 37 extern void ia64_split_tmode_move (rtx[]); 38 extern bool ia64_expand_movxf_movrf (machine_mode, rtx[]); 39 extern void ia64_expand_compare (rtx *, rtx *, rtx *); 40 extern void ia64_expand_vecint_cmov (rtx[]); 41 extern bool ia64_expand_vecint_minmax (enum rtx_code, machine_mode, rtx[]); 42 extern void ia64_unpack_assemble (rtx, rtx, rtx, bool); 43 extern void ia64_expand_unpack (rtx [], bool, bool); 44 extern void ia64_expand_widen_sum (rtx[], bool); 45 extern void ia64_expand_call (rtx, rtx, rtx, int); 46 extern void ia64_split_call (rtx, rtx, rtx, rtx, rtx, int, int); 47 extern void ia64_reload_gp (void); 48 extern void ia64_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, 49 enum memmodel); 50 51 extern HOST_WIDE_INT ia64_initial_elimination_offset (int, int); 52 extern void ia64_expand_prologue (void); 53 extern void ia64_expand_epilogue (int); 54 55 extern int ia64_direct_return (void); 56 extern bool ia64_expand_load_address (rtx, rtx); 57 extern int ia64_hard_regno_rename_ok (int, int); 58 59 extern enum reg_class ia64_secondary_reload_class (enum reg_class, 60 machine_mode, rtx); 61 extern const char *get_bundle_name (int); 62 extern const char *output_probe_stack_range (rtx, rtx); 63 64 extern void ia64_expand_vec_perm_even_odd (rtx, rtx, rtx, int); 65 extern void ia64_expand_vec_setv2sf (rtx op[3]); 66 #endif /* RTX_CODE */ 67 68 #ifdef TREE_CODE 69 #ifdef RTX_CODE 70 extern rtx ia64_expand_builtin (tree, rtx, rtx, machine_mode, int); 71 extern rtx ia64_va_arg (tree, tree); 72 #endif /* RTX_CODE */ 73 74 extern void ia64_asm_output_external (FILE *, tree, const char *); 75 extern void ia64_vms_output_aligned_decl_common (FILE *, tree, const char *, 76 unsigned HOST_WIDE_INT, 77 unsigned int); 78 extern void ia64_vms_elf_asm_named_section (const char *, unsigned int, tree); 79 extern void ia64_start_function (FILE *, const char *, tree); 80 #endif /* TREE_CODE */ 81 82 extern int ia64_epilogue_uses (int); 83 extern int ia64_eh_uses (int); 84 extern void emit_safe_across_calls (void); 85 extern void ia64_init_builtins (void); 86 extern int ia64_dbx_register_number (int); 87 88 extern rtx ia64_return_addr_rtx (HOST_WIDE_INT, rtx); 89 extern void ia64_split_return_addr_rtx (rtx); 90 91 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader *); 92 extern void ia64_output_function_profiler (FILE *, int); 93 extern void ia64_profile_hook (int); 94 95 extern void ia64_init_expanders (void); 96 97 extern rtx ia64_dconst_0_5 (void); 98 extern rtx ia64_dconst_0_375 (void); 99