gcc/targhooks.h

   1 /* Default target hook functions.
   2    Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009
   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 void default_external_libcall (rtx);
  22 extern rtx default_legitimize_address (rtx, rtx, enum machine_mode);
  23
  24 extern int default_unspec_may_trap_p (const_rtx, unsigned);
  25
  26 extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
  27                                                       enum machine_mode);
  28
  29 extern bool default_return_in_memory (const_tree, const_tree);
  30
  31 extern rtx default_expand_builtin_saveregs (void);
  32 extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
  33 extern rtx default_builtin_setjmp_frame_value (void);
  34 extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
  35
  36 extern enum machine_mode default_eh_return_filter_mode (void);
  37 extern enum machine_mode default_libgcc_cmp_return_mode (void);
  38 extern enum machine_mode default_libgcc_shift_count_mode (void);
  39 extern enum machine_mode default_unwind_word_mode (void);
  40 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
  41   (enum machine_mode);
  42 extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode);
  43 extern int default_mode_rep_extended (enum machine_mode, enum machine_mode);
  44
  45 extern tree default_stack_protect_guard (void);
  46 extern tree default_external_stack_protect_fail (void);
  47 extern tree default_hidden_stack_protect_fail (void);
  48
  49 extern enum machine_mode default_mode_for_suffix (char);
  50
  51 extern tree default_cxx_guard_type (void);
  52 extern tree default_cxx_get_cookie_size (tree);
  53
  54 extern bool hook_pass_by_reference_must_pass_in_stack
  55   (CUMULATIVE_ARGS *, enum machine_mode mode, const_tree, bool);
  56 extern bool hook_callee_copies_named
  57   (CUMULATIVE_ARGS *ca, enum machine_mode, const_tree, bool);
  58
  59 extern void default_unwind_emit (FILE *, rtx);
  60
  61 extern bool default_scalar_mode_supported_p (enum machine_mode);
  62 extern bool default_decimal_float_supported_p (void);
  63 extern bool default_fixed_point_supported_p (void);
  64
  65 extern const char * default_invalid_within_doloop (const_rtx);
  66
  67 extern tree default_builtin_vectorized_function
  68   (enum built_in_function, tree, tree);
  69
  70 extern tree default_builtin_vectorized_conversion (enum tree_code, tree);
  71
  72 extern tree default_builtin_reciprocal (enum built_in_function, bool, bool);
  73
  74 extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
  75
  76 /* These are here, and not in hooks.[ch], because not all users of
  77    hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS.  */
  78
  79 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
  80 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
  81
  82 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
  83   (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
  84 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
  85   (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
  86 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
  87   (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
  88 extern const char *hook_invalid_arg_for_unprototyped_fn
  89   (const_tree, const_tree, const_tree);
  90 extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
  91 extern rtx default_function_value (const_tree, const_tree, bool);
  92 extern rtx default_internal_arg_pointer (void);
  93 extern enum reg_class default_branch_target_register_class (void);
  94 #ifdef IRA_COVER_CLASSES
  95 extern const enum reg_class *default_ira_cover_classes (void);
  96 #endif
  97 extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class,
  98                                                 enum machine_mode,
  99                                                 secondary_reload_info *);
 100 extern void hook_void_bitmap (bitmap);
 101 extern bool default_handle_c_option (size_t, const char *, int);
 102 extern int default_reloc_rw_mask (void);
 103 extern tree default_mangle_decl_assembler_name (tree, tree);
 104 extern tree default_emutls_var_fields (tree, tree *);
 105 extern tree default_emutls_var_init (tree, tree, tree);
 106 extern bool default_hard_regno_scratch_ok (unsigned int);
 107 extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
 108 extern bool default_target_option_pragma_parse (tree, tree);
 109 extern bool default_target_option_can_inline_p (tree, tree);
 110 extern unsigned int default_case_values_threshold (void);