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/* Default target hook functions.
Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
extern void default_external_libcall (rtx);
extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
enum machine_mode);
extern bool default_return_in_memory (tree, tree);
extern rtx default_expand_builtin_saveregs (void);
extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
extern rtx default_builtin_setjmp_frame_value (void);
extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
extern enum machine_mode default_eh_return_filter_mode (void);
extern unsigned HOST_WIDE_INT default_shift_truncation_mask
(enum machine_mode);
extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode);
extern int default_mode_rep_extended (enum machine_mode, enum machine_mode);
extern tree default_stack_protect_guard (void);
extern tree default_external_stack_protect_fail (void);
extern tree default_hidden_stack_protect_fail (void);
extern tree default_cxx_guard_type (void);
extern tree default_cxx_get_cookie_size (tree);
extern bool hook_pass_by_reference_must_pass_in_stack
(CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool);
extern bool hook_callee_copies_named
(CUMULATIVE_ARGS *ca, enum machine_mode, tree, bool);
extern void default_unwind_emit (FILE *, rtx);
extern bool default_scalar_mode_supported_p (enum machine_mode);
extern bool default_decimal_float_supported_p (void);
extern const char * default_invalid_within_doloop (rtx);
extern bool default_narrow_bitfield (void);
/* These are here, and not in hooks.[ch], because not all users of
hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
(CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
(CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
(CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
extern const char *hook_invalid_arg_for_unprototyped_fn
(tree, tree, tree);
extern bool hook_bool_rtx_commutative_p (rtx, int);
extern rtx default_function_value (tree, tree, bool);
extern rtx default_internal_arg_pointer (void);
extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class,
enum machine_mode,
secondary_reload_info *);
extern void hook_void_bitmap (bitmap);
extern int default_reloc_rw_mask (void);
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