1 /* Default target hook functions.
2 Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
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
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
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
,
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
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
);
66 extern void default_print_operand (FILE *, rtx
, int);
67 extern void default_print_operand_address (FILE *, rtx
);
68 extern bool default_print_operand_punct_valid_p (unsigned char);
70 extern bool default_scalar_mode_supported_p (enum machine_mode
);
71 extern bool default_decimal_float_supported_p (void);
72 extern bool default_fixed_point_supported_p (void);
74 extern const char * default_invalid_within_doloop (const_rtx
);
76 extern tree
default_builtin_vectorized_function (tree
, tree
, tree
);
78 extern tree
default_builtin_vectorized_conversion (unsigned int, tree
, tree
);
80 extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt
);
82 extern tree
default_builtin_reciprocal (unsigned int, bool, bool);
84 extern bool default_builtin_vector_alignment_reachable (const_tree
, bool);
86 default_builtin_support_vector_misalignment (enum machine_mode mode
,
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. */
93 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS
*);
94 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS
*);
96 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
97 (CUMULATIVE_ARGS
*, enum machine_mode
, const_tree
, bool);
98 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
99 (CUMULATIVE_ARGS
*, enum machine_mode
, const_tree
, bool);
100 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
101 (CUMULATIVE_ARGS
*, enum machine_mode
, tree
, bool);
102 extern const char *hook_invalid_arg_for_unprototyped_fn
103 (const_tree
, const_tree
, const_tree
);
104 extern bool hook_bool_const_rtx_commutative_p (const_rtx
, int);
105 extern rtx
default_function_value (const_tree
, const_tree
, bool);
106 extern rtx
default_libcall_value (enum machine_mode
, const_rtx
);
107 extern bool default_function_value_regno_p (const unsigned int);
108 extern rtx
default_internal_arg_pointer (void);
109 extern rtx
default_static_chain (const_tree
, bool);
110 extern void default_trampoline_init (rtx
, tree
, rtx
);
111 extern enum reg_class
default_branch_target_register_class (void);
112 #ifdef IRA_COVER_CLASSES
113 extern const enum reg_class
*default_ira_cover_classes (void);
115 extern enum reg_class
default_secondary_reload (bool, rtx
, enum reg_class
,
117 secondary_reload_info
*);
118 extern void hook_void_bitmap (bitmap
);
119 extern bool default_handle_c_option (size_t, const char *, int);
120 extern int default_reloc_rw_mask (void);
121 extern tree
default_mangle_decl_assembler_name (tree
, tree
);
122 extern tree
default_emutls_var_fields (tree
, tree
*);
123 extern tree
default_emutls_var_init (tree
, tree
, tree
);
124 extern bool default_hard_regno_scratch_ok (unsigned int);
125 extern bool default_mode_dependent_address_p (const_rtx addr
);
126 extern bool default_target_option_valid_attribute_p (tree
, tree
, tree
, int);
127 extern bool default_target_option_pragma_parse (tree
, tree
);
128 extern bool default_target_can_inline_p (tree
, tree
);
129 extern bool default_valid_pointer_mode (enum machine_mode
);
130 extern enum machine_mode
default_addr_space_pointer_mode (addr_space_t
);
131 extern enum machine_mode
default_addr_space_address_mode (addr_space_t
);
132 extern bool default_addr_space_valid_pointer_mode (enum machine_mode
,
134 extern bool default_addr_space_legitimate_address_p (enum machine_mode
, rtx
,
136 extern rtx
default_addr_space_legitimize_address (rtx
, rtx
, enum machine_mode
,
138 extern bool default_addr_space_subset_p (addr_space_t
, addr_space_t
);
139 extern rtx
default_addr_space_convert (rtx
, tree
, tree
);
140 extern unsigned int default_case_values_threshold (void);
141 extern bool default_have_conditional_execution (void);
142 extern int default_memory_move_cost (enum machine_mode
, enum reg_class
, bool);