gcc/targhooks.h

   1 /* Default target hook functions.
   2    Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 extern void default_external_libcall (rtx);
  21
  22 extern int default_unspec_may_trap_p (const_rtx, unsigned);
  23
  24 extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
  25                                                       enum machine_mode);
  26
  27 extern bool default_return_in_memory (const_tree, const_tree);
  28
  29 extern rtx default_expand_builtin_saveregs (void);
  30 extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
  31 extern rtx default_builtin_setjmp_frame_value (void);
  32 extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
  33
  34 extern enum machine_mode default_eh_return_filter_mode (void);
  35 extern enum machine_mode default_libgcc_cmp_return_mode (void);
  36 extern enum machine_mode default_libgcc_shift_count_mode (void);
  37 extern enum machine_mode default_unwind_word_mode (void);
  38 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
  39   (enum machine_mode);
  40 extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode);
  41 extern int default_mode_rep_extended (enum machine_mode, enum machine_mode);
  42
  43 extern tree default_stack_protect_guard (void);
  44 extern tree default_external_stack_protect_fail (void);
  45 extern tree default_hidden_stack_protect_fail (void);
  46
  47 extern enum machine_mode default_mode_for_suffix (char);
  48
  49 extern tree default_cxx_guard_type (void);
  50 extern tree default_cxx_get_cookie_size (tree);
  51
  52 extern bool hook_pass_by_reference_must_pass_in_stack
  53   (CUMULATIVE_ARGS *, enum machine_mode mode, const_tree, bool);
  54 extern bool hook_callee_copies_named
  55   (CUMULATIVE_ARGS *ca, enum machine_mode, const_tree, bool);
  56
  57 extern void default_unwind_emit (FILE *, rtx);
  58
  59 extern bool default_scalar_mode_supported_p (enum machine_mode);
  60 extern bool default_decimal_float_supported_p (void);
  61 extern bool default_fixed_point_supported_p (void);
  62
  63 extern const char * default_invalid_within_doloop (const_rtx);
  64
  65 extern tree default_builtin_vectorized_function
  66   (enum built_in_function, tree, tree);
  67
  68 extern tree default_builtin_vectorized_conversion (enum tree_code, tree);
  69
  70 extern tree default_builtin_reciprocal (enum built_in_function, bool, bool);
  71
  72 extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
  73
  74 /* These are here, and not in hooks.[ch], because not all users of
  75    hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS.  */
  76
  77 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
  78 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
  79
  80 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
  81   (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
  82 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
  83   (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
  84 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
  85   (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
  86 extern const char *hook_invalid_arg_for_unprototyped_fn
  87   (const_tree, const_tree, const_tree);
  88 extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
  89 extern rtx default_function_value (const_tree, const_tree, bool);
  90 extern rtx default_internal_arg_pointer (void);
  91 #ifdef IRA_COVER_CLASSES
  92 extern const enum reg_class *default_ira_cover_classes (void);
  93 #endif
  94 extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class,
  95                                                 enum machine_mode,
  96                                                 secondary_reload_info *);
  97 extern void hook_void_bitmap (bitmap);
  98 extern bool default_handle_c_option (size_t, const char *, int);
  99 extern int default_reloc_rw_mask (void);
 100 extern tree default_mangle_decl_assembler_name (tree, tree);
 101 extern tree default_emutls_var_fields (tree, tree *);
 102 extern tree default_emutls_var_init (tree, tree, tree);
 103 extern bool default_hard_regno_scratch_ok (unsigned int);
 104 extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
 105 extern bool default_target_option_pragma_parse (tree, tree);
 106 extern bool default_target_option_can_inline_p (tree, tree);