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