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[official-gcc/Ramakrishna.git] / gcc / targhooks.h
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1 /* Default target hook functions.
2 Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 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 extern bool default_legitimate_address_p (enum machine_mode, rtx, bool);
23 extern void default_external_libcall (rtx);
24 extern rtx default_legitimize_address (rtx, rtx, enum machine_mode);
26 extern int default_unspec_may_trap_p (const_rtx, unsigned);
27 extern enum machine_mode default_promote_function_mode (const_tree, enum machine_mode,
28 int *, const_tree, int);
29 extern enum machine_mode default_promote_function_mode_always_promote
30 (const_tree, enum machine_mode, int *, const_tree, int);
32 extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
33 enum machine_mode);
35 extern bool default_return_in_memory (const_tree, const_tree);
37 extern rtx default_expand_builtin_saveregs (void);
38 extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
39 extern rtx default_builtin_setjmp_frame_value (void);
40 extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
42 extern enum machine_mode default_eh_return_filter_mode (void);
43 extern enum machine_mode default_libgcc_cmp_return_mode (void);
44 extern enum machine_mode default_libgcc_shift_count_mode (void);
45 extern enum machine_mode default_unwind_word_mode (void);
46 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
47 (enum machine_mode);
48 extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode);
49 extern int default_mode_rep_extended (enum machine_mode, enum machine_mode);
51 extern tree default_stack_protect_guard (void);
52 extern tree default_external_stack_protect_fail (void);
53 extern tree default_hidden_stack_protect_fail (void);
55 extern enum machine_mode default_mode_for_suffix (char);
57 extern tree default_cxx_guard_type (void);
58 extern tree default_cxx_get_cookie_size (tree);
60 extern bool hook_pass_by_reference_must_pass_in_stack
61 (CUMULATIVE_ARGS *, enum machine_mode mode, const_tree, bool);
62 extern bool hook_callee_copies_named
63 (CUMULATIVE_ARGS *ca, enum machine_mode, const_tree, bool);
65 extern void default_unwind_emit (FILE *, rtx);
67 extern bool default_scalar_mode_supported_p (enum machine_mode);
68 extern bool default_decimal_float_supported_p (void);
69 extern bool default_fixed_point_supported_p (void);
71 extern const char * default_invalid_within_doloop (const_rtx);
73 extern tree default_builtin_vectorized_function (unsigned int, tree, tree);
75 extern tree default_builtin_vectorized_conversion (unsigned int, tree);
77 extern tree default_builtin_reciprocal (unsigned int, bool, bool);
79 extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
81 /* These are here, and not in hooks.[ch], because not all users of
82 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
84 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
85 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
87 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
88 (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
89 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
90 (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
91 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
92 (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
93 extern const char *hook_invalid_arg_for_unprototyped_fn
94 (const_tree, const_tree, const_tree);
95 extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
96 extern rtx default_function_value (const_tree, const_tree, bool);
97 extern rtx default_libcall_value (enum machine_mode, rtx);
98 extern rtx default_internal_arg_pointer (void);
99 extern enum reg_class default_branch_target_register_class (void);
100 #ifdef IRA_COVER_CLASSES
101 extern const enum reg_class *default_ira_cover_classes (void);
102 #endif
103 extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class,
104 enum machine_mode,
105 secondary_reload_info *);
106 extern void hook_void_bitmap (bitmap);
107 extern bool default_handle_c_option (size_t, const char *, int);
108 extern int default_reloc_rw_mask (void);
109 extern tree default_mangle_decl_assembler_name (tree, tree);
110 extern tree default_emutls_var_fields (tree, tree *);
111 extern tree default_emutls_var_init (tree, tree, tree);
112 extern bool default_hard_regno_scratch_ok (unsigned int);
113 extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
114 extern bool default_target_option_pragma_parse (tree, tree);
115 extern bool default_target_can_inline_p (tree, tree);
116 extern unsigned int default_case_values_threshold (void);