1 /* Default target hook functions.
2 Copyright (C) 2003, 2004 Free Software Foundation, Inc.
4 This file is part of GCC.
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 2, or (at your option) any later
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
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
21 extern void default_external_libcall (rtx
);
23 extern enum machine_mode
default_cc_modes_compatible (enum machine_mode
,
26 extern bool default_return_in_memory (tree
, tree
);
28 extern rtx
default_expand_builtin_saveregs (void);
29 extern void default_setup_incoming_varargs (CUMULATIVE_ARGS
*, enum machine_mode
, tree
, int *, int);
30 extern rtx
default_builtin_setjmp_frame_value (void);
31 extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS
*);
32 extern tree
default_fold_builtin (tree t
, bool ignore
);
34 extern enum machine_mode
default_eh_return_filter_mode (void);
35 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
38 extern tree
default_cxx_guard_type (void);
39 extern tree
default_cxx_get_cookie_size (tree
);
41 extern bool hook_pass_by_reference_must_pass_in_stack
42 (CUMULATIVE_ARGS
*, enum machine_mode mode
, tree
, bool);
43 extern bool hook_callee_copies_named
44 (CUMULATIVE_ARGS
*ca
, enum machine_mode
, tree
, bool);
46 extern void default_unwind_emit (FILE *, rtx
);
48 extern bool default_scalar_mode_supported_p (enum machine_mode
);
50 extern bool default_vect_misaligned_mem_ok (enum machine_mode
);
52 /* These are here, and not in hooks.[ch], because not all users of
53 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
55 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS
*);
56 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS
*);
58 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
59 (CUMULATIVE_ARGS
*, enum machine_mode
, tree
, bool);
60 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
61 (CUMULATIVE_ARGS
*, enum machine_mode
, tree
, bool);