1 /* Definitions of target machine for GNU compiler for IA-64.
2 Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2007
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 /* Functions defined in ia64.c */
23 extern int bundling_p
;
25 extern int ia64_st_address_bypass_p (rtx
, rtx
);
26 extern int ia64_ld_address_bypass_p (rtx
, rtx
);
27 extern int ia64_produce_address_p (rtx
);
29 extern bool ia64_legitimate_constant_p (rtx
);
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 (enum 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
, enum machine_mode
, rtx
[]);
42 extern void ia64_expand_widen_sum (rtx
[], bool);
43 extern void ia64_expand_dot_prod_v8qi (rtx
[], bool);
44 extern void ia64_expand_call (rtx
, rtx
, rtx
, int);
45 extern void ia64_split_call (rtx
, rtx
, rtx
, rtx
, rtx
, int, int);
46 extern void ia64_reload_gp (void);
47 extern void ia64_expand_atomic_op (enum rtx_code
, rtx
, rtx
, rtx
, rtx
);
49 extern HOST_WIDE_INT
ia64_initial_elimination_offset (int, int);
50 extern void ia64_expand_prologue (void);
51 extern void ia64_expand_epilogue (int);
53 extern int ia64_direct_return (void);
54 extern bool ia64_expand_load_address (rtx
, rtx
);
55 extern int ia64_hard_regno_rename_ok (int, int);
57 extern void ia64_print_operand_address (FILE *, rtx
);
58 extern void ia64_print_operand (FILE *, rtx
, int);
59 extern enum reg_class
ia64_preferred_reload_class (rtx
, enum reg_class
);
60 extern enum reg_class
ia64_secondary_reload_class (enum reg_class
,
61 enum machine_mode
, rtx
);
62 extern void process_for_unwind_directive (FILE *, rtx
);
63 extern const char *get_bundle_name (int);
68 extern rtx
ia64_function_arg (CUMULATIVE_ARGS
*, enum machine_mode
,
70 extern rtx
ia64_expand_builtin (tree
, rtx
, rtx
, enum machine_mode
, int);
71 extern rtx
ia64_va_arg (tree
, tree
);
72 extern rtx
ia64_function_value (const_tree
, const_tree
);
75 extern void ia64_function_arg_advance (CUMULATIVE_ARGS
*, enum machine_mode
,
77 extern int ia64_function_arg_boundary (enum machine_mode
, tree
);
78 extern void ia64_asm_output_external (FILE *, tree
, const char *);
79 extern void ia64_vms_output_aligned_decl_common (FILE *, tree
, const char *,
80 unsigned HOST_WIDE_INT
,
82 extern void ia64_vms_elf_asm_named_section (const char *, unsigned int, tree
);
83 #endif /* TREE_CODE */
85 extern int ia64_register_move_cost (enum machine_mode
, enum reg_class
,
87 extern int ia64_epilogue_uses (int);
88 extern int ia64_eh_uses (int);
89 extern void emit_safe_across_calls (void);
90 extern void ia64_init_builtins (void);
91 extern void ia64_override_options (void);
92 extern int ia64_dbx_register_number (int);
94 extern rtx
ia64_return_addr_rtx (HOST_WIDE_INT
, rtx
);
95 extern void ia64_split_return_addr_rtx (rtx
);
98 /* expr.h defines ARGS_SIZE_RTX and `enum direction'. */
99 extern enum direction
ia64_hpux_function_arg_padding (enum machine_mode
, const_tree
);
100 #endif /* ARGS_SIZE_RTX */
102 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader
*);
103 extern void ia64_output_function_profiler (FILE *, int);
104 extern void ia64_profile_hook (int);
106 extern void ia64_optimization_options (int, int);
107 extern void ia64_init_expanders (void);
109 extern rtx
ia64_dconst_0_5 (void);
110 extern rtx
ia64_dconst_0_375 (void);