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2010-06-29 Richard Guenther <rguenther@suse.de>
[thirdparty/gcc.git] / gcc / targhooks.h
CommitLineData
45550790 1/* Default target hook functions.
31ac7341 2 Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
906bb5c3 3 Free Software Foundation, Inc.
45550790 4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
8c4c00c1 9Software Foundation; either version 3, or (at your option) any later
45550790 10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
8c4c00c1 18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
45550790 20
fd50b071 21extern bool default_legitimate_address_p (enum machine_mode, rtx, bool);
22
864af209 23extern void default_external_libcall (rtx);
41e3a0c7 24extern rtx default_legitimize_address (rtx, rtx, enum machine_mode);
864af209 25
77ad8e5a 26extern int default_unspec_may_trap_p (const_rtx, unsigned);
3b2411a8 27extern enum machine_mode default_promote_function_mode (const_tree, enum machine_mode,
28 int *, const_tree, int);
29extern enum machine_mode default_promote_function_mode_always_promote
30 (const_tree, enum machine_mode, int *, const_tree, int);
77ad8e5a 31
124ac4e4 32extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
33 enum machine_mode);
34
fb80456a 35extern bool default_return_in_memory (const_tree, const_tree);
45550790 36
37extern rtx default_expand_builtin_saveregs (void);
38extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
e3e026e8 39extern rtx default_builtin_setjmp_frame_value (void);
45550790 40extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
4e00ee67 41
95215948 42extern enum machine_mode default_eh_return_filter_mode (void);
0ef89dfd 43extern enum machine_mode default_libgcc_cmp_return_mode (void);
44extern enum machine_mode default_libgcc_shift_count_mode (void);
1bd43494 45extern enum machine_mode default_unwind_word_mode (void);
c49547c4 46extern unsigned HOST_WIDE_INT default_shift_truncation_mask
47 (enum machine_mode);
ac70caad 48extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode);
4956440a 49extern int default_mode_rep_extended (enum machine_mode, enum machine_mode);
95215948 50
f1a0edff 51extern tree default_stack_protect_guard (void);
52extern tree default_external_stack_protect_fail (void);
53extern tree default_hidden_stack_protect_fail (void);
54
430be8e2 55extern enum machine_mode default_mode_for_suffix (char);
56
c1dc02de 57extern tree default_cxx_guard_type (void);
600f4be7 58extern tree default_cxx_get_cookie_size (tree);
b981d932 59
b981d932 60extern bool hook_pass_by_reference_must_pass_in_stack
fb80456a 61 (CUMULATIVE_ARGS *, enum machine_mode mode, const_tree, bool);
13f08ee7 62extern bool hook_callee_copies_named
fb80456a 63 (CUMULATIVE_ARGS *ca, enum machine_mode, const_tree, bool);
8ec87476 64
65extern void default_unwind_emit (FILE *, rtx);
182e98f4 66extern void default_print_operand (FILE *, rtx, int);
67extern void default_print_operand_address (FILE *, rtx);
68extern bool default_print_operand_punct_valid_p (unsigned char);
b2aef146 69
70extern bool default_scalar_mode_supported_p (enum machine_mode);
1398cbfd 71extern bool default_decimal_float_supported_p (void);
9421ebb9 72extern bool default_fixed_point_supported_p (void);
13f08ee7 73
a9f1838b 74extern const char * default_invalid_within_doloop (const_rtx);
7dfa5ce3 75
31ac7341 76extern tree default_builtin_vectorized_function (tree, tree, tree);
22c2f6bd 77
011d9d16 78extern tree default_builtin_vectorized_conversion (unsigned int, tree, tree);
9d8bf4aa 79
559093aa 80extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt);
81
d5b637fa 82extern tree default_builtin_reciprocal (unsigned int, bool, bool);
c3cc39c4 83
a9f1838b 84extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
c6b19c5f 85extern bool
86default_builtin_support_vector_misalignment (enum machine_mode mode,
87 const_tree,
48e1416a 88 int, bool);
5a2538e1 89
13f08ee7 90/* These are here, and not in hooks.[ch], because not all users of
91 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
92
93extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
94extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
95
96extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
fb80456a 97 (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
13f08ee7 98extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
fb80456a 99 (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
f054eb3c 100extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
101 (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
10fda9eb 102extern const char *hook_invalid_arg_for_unprototyped_fn
a9f1838b 103 (const_tree, const_tree, const_tree);
104extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
fb80456a 105extern rtx default_function_value (const_tree, const_tree, bool);
e5ce1073 106extern rtx default_libcall_value (enum machine_mode, const_rtx);
e1ce1485 107extern bool default_function_value_regno_p (const unsigned int);
567925e3 108extern rtx default_internal_arg_pointer (void);
82c7907c 109extern rtx default_static_chain (const_tree, bool);
82c7907c 110extern void default_trampoline_init (rtx, tree, rtx);
bc620c5c 111extern enum reg_class default_branch_target_register_class (void);
d9595a8c 112#ifdef IRA_COVER_CLASSES
113extern const enum reg_class *default_ira_cover_classes (void);
114#endif
4d58fa46 115extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class,
116 enum machine_mode,
117 secondary_reload_info *);
fcf2ad9f 118extern void hook_void_bitmap (bitmap);
b9fc964a 119extern bool default_handle_c_option (size_t, const char *, int);
4e151b05 120extern int default_reloc_rw_mask (void);
97a424bc 121extern tree default_mangle_decl_assembler_name (tree, tree);
38475469 122extern tree default_emutls_var_fields (tree, tree *);
123extern tree default_emutls_var_init (tree, tree, tree);
747bf50d 124extern bool default_hard_regno_scratch_ok (unsigned int);
98e22cb6 125extern bool default_mode_dependent_address_p (const_rtx addr);
46f8e3b0 126extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
24470055 127extern bool default_target_option_pragma_parse (tree, tree);
7c88e513 128extern bool default_target_can_inline_p (tree, tree);
98155838 129extern bool default_valid_pointer_mode (enum machine_mode);
130extern enum machine_mode default_addr_space_pointer_mode (addr_space_t);
131extern enum machine_mode default_addr_space_address_mode (addr_space_t);
132extern bool default_addr_space_valid_pointer_mode (enum machine_mode,
133 addr_space_t);
bd1a81f7 134extern bool default_addr_space_legitimate_address_p (enum machine_mode, rtx,
135 bool, addr_space_t);
136extern rtx default_addr_space_legitimize_address (rtx, rtx, enum machine_mode,
137 addr_space_t);
138extern bool default_addr_space_subset_p (addr_space_t, addr_space_t);
139extern rtx default_addr_space_convert (rtx, tree, tree);
906bb5c3 140extern unsigned int default_case_values_threshold (void);
751d3ba7 141extern bool default_have_conditional_execution (void);
251a613e 142extern int default_memory_move_cost (enum machine_mode, enum reg_class, bool);
e6078fbb 143extern int default_register_move_cost (enum machine_mode, enum reg_class,
144 enum reg_class);
145
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