1 /* Default target hook functions. 2 Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010 3 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 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. 11 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. 16 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/>. */ 20 21 extern bool default_legitimate_address_p (enum machine_mode, rtx, bool); 22 23 extern void default_external_libcall (rtx); 24 extern rtx default_legitimize_address (rtx, rtx, enum machine_mode); 25 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); 31 32 extern enum machine_mode default_cc_modes_compatible (enum machine_mode, 33 enum machine_mode); 34 35 extern bool default_return_in_memory (const_tree, const_tree); 36 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 *); 41 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); 50 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); 54 55 extern enum machine_mode default_mode_for_suffix (char); 56 57 extern tree default_cxx_guard_type (void); 58 extern tree default_cxx_get_cookie_size (tree); 59 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); 64 65 extern void default_unwind_emit (FILE *, rtx); 66 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); 70 71 extern const char * default_invalid_within_doloop (const_rtx); 72 73 extern tree default_builtin_vectorized_function (tree, tree, tree); 74 75 extern tree default_builtin_vectorized_conversion (unsigned int, tree); 76 77 extern tree default_builtin_reciprocal (unsigned int, bool, bool); 78 79 extern bool default_builtin_vector_alignment_reachable (const_tree, bool); 80 extern bool 81 default_builtin_support_vector_misalignment (enum machine_mode mode, 82 const_tree, 83 int, bool); 84 85 /* These are here, and not in hooks.[ch], because not all users of 86 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */ 87 88 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *); 89 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *); 90 91 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false 92 (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); 93 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true 94 (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool); 95 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0 96 (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); 97 extern const char *hook_invalid_arg_for_unprototyped_fn 98 (const_tree, const_tree, const_tree); 99 extern bool hook_bool_const_rtx_commutative_p (const_rtx, int); 100 extern rtx default_function_value (const_tree, const_tree, bool); 101 extern rtx default_libcall_value (enum machine_mode, const_rtx); 102 extern rtx default_internal_arg_pointer (void); 103 extern rtx default_static_chain (const_tree, bool); 104 extern void default_trampoline_init (rtx, tree, rtx); 105 extern enum reg_class default_branch_target_register_class (void); 106 #ifdef IRA_COVER_CLASSES 107 extern const enum reg_class *default_ira_cover_classes (void); 108 #endif 109 extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class, 110 enum machine_mode, 111 secondary_reload_info *); 112 extern void hook_void_bitmap (bitmap); 113 extern bool default_handle_c_option (size_t, const char *, int); 114 extern int default_reloc_rw_mask (void); 115 extern tree default_mangle_decl_assembler_name (tree, tree); 116 extern tree default_emutls_var_fields (tree, tree *); 117 extern tree default_emutls_var_init (tree, tree, tree); 118 extern bool default_hard_regno_scratch_ok (unsigned int); 119 extern bool default_target_option_valid_attribute_p (tree, tree, tree, int); 120 extern bool default_target_option_pragma_parse (tree, tree); 121 extern bool default_target_can_inline_p (tree, tree); 122 extern bool default_valid_pointer_mode (enum machine_mode); 123 extern enum machine_mode default_addr_space_pointer_mode (addr_space_t); 124 extern enum machine_mode default_addr_space_address_mode (addr_space_t); 125 extern bool default_addr_space_valid_pointer_mode (enum machine_mode, 126 addr_space_t); 127 extern bool default_addr_space_legitimate_address_p (enum machine_mode, rtx, 128 bool, addr_space_t); 129 extern rtx default_addr_space_legitimize_address (rtx, rtx, enum machine_mode, 130 addr_space_t); 131 extern bool default_addr_space_subset_p (addr_space_t, addr_space_t); 132 extern rtx default_addr_space_convert (rtx, tree, tree); 133 extern unsigned int default_case_values_threshold (void); 134 extern bool default_have_conditional_execution (void); 135