1 /* General-purpose hooks.
2 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 3, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING3. If not see
17 <http://www.gnu.org/licenses/>.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding! */
23 /* This file contains generic hooks that can be used as defaults for
24 target or language-dependent hook initializers. */
28 #include "coretypes.h"
32 /* Generic hook that does absolutely zappo. */
38 /* Generic hook that takes no arguments and returns false. */
40 hook_bool_void_false (void)
45 /* Generic hook that takes no arguments and returns true. */
47 hook_bool_void_true (void)
52 /* Generic hook that takes (bool) and returns false. */
54 hook_bool_bool_false (bool a ATTRIBUTE_UNUSED
)
59 /* Generic hook that takes const int, const int) and returns true. */
60 bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED
,
61 const int b ATTRIBUTE_UNUSED
)
66 /* Generic hook that takes (enum machine_mode) and returns false. */
68 hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED
)
73 /* Generic hook that takes (enum machine_mode) and returns true. */
75 hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED
)
80 /* Generic hook that takes (enum machine_mode, rtx) and returns false. */
82 hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED
,
83 const_rtx value ATTRIBUTE_UNUSED
)
88 /* Generic hook that takes (enum machine_mode, rtx) and returns true. */
90 hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED
,
91 const_rtx value ATTRIBUTE_UNUSED
)
96 /* Generic hook that takes (FILE *, const char *) and does nothing. */
98 hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED
, const char *b ATTRIBUTE_UNUSED
)
102 /* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
104 hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED
,
105 HOST_WIDE_INT b ATTRIBUTE_UNUSED
,
106 HOST_WIDE_INT c ATTRIBUTE_UNUSED
,
107 const_tree d ATTRIBUTE_UNUSED
)
113 hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED
,
114 HOST_WIDE_INT b ATTRIBUTE_UNUSED
,
115 HOST_WIDE_INT c ATTRIBUTE_UNUSED
,
116 const_tree d ATTRIBUTE_UNUSED
)
122 hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED
,
123 const char *b ATTRIBUTE_UNUSED
,
124 int c ATTRIBUTE_UNUSED
)
130 default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED
,
131 HOST_WIDE_INT b ATTRIBUTE_UNUSED
,
133 const_tree d ATTRIBUTE_UNUSED
)
139 hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED
)
144 /* ??? Used for comp_type_attributes, which ought to return bool. */
146 hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED
, const_tree b ATTRIBUTE_UNUSED
)
152 hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED
)
158 hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED
, bool b ATTRIBUTE_UNUSED
)
164 hook_uint_void_0 (void)
170 hook_void_tree (tree a ATTRIBUTE_UNUSED
)
175 hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED
)
180 hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED
, tree
*b ATTRIBUTE_UNUSED
)
185 hook_bool_tree_false (tree a ATTRIBUTE_UNUSED
)
191 hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED
)
197 hook_bool_tree_true (tree a ATTRIBUTE_UNUSED
)
203 hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED
)
209 hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED
, tree b ATTRIBUTE_UNUSED
)
215 hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED
, tree b ATTRIBUTE_UNUSED
)
221 hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED
, bool b ATTRIBUTE_UNUSED
)
227 hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED
)
233 hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED
,
234 unsigned int *b ATTRIBUTE_UNUSED
)
240 hook_bool_rtx_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED
,
241 int b ATTRIBUTE_UNUSED
,
242 int c ATTRIBUTE_UNUSED
,
243 int *d ATTRIBUTE_UNUSED
,
244 bool speed_p ATTRIBUTE_UNUSED
)
249 /* Generic hook that takes an rtx and returns it. */
251 hook_rtx_rtx_identity (rtx x
)
256 /* Generic hook that takes an rtx and returns NULL_RTX. */
258 hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED
)
263 /* Generic hook that takes a tree and an int and returns NULL_RTX. */
265 hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED
, int b ATTRIBUTE_UNUSED
)
270 /* Generic hook that takes three trees and returns the last one as is. */
272 hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED
,
273 tree b ATTRIBUTE_UNUSED
, tree c
)
278 /* Generic hook that takes a tree and returns a NULL string. */
280 hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED
)
286 hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED
,
287 int i ATTRIBUTE_UNUSED
,
288 tree
*p ATTRIBUTE_UNUSED
,
289 bool ignore ATTRIBUTE_UNUSED
)
295 hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED
, tree t1 ATTRIBUTE_UNUSED
)
301 hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED
,
302 tree t1 ATTRIBUTE_UNUSED
,
303 tree t2 ATTRIBUTE_UNUSED
)
308 /* Generic hook that takes a rtx and returns a NULL string. */
310 hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED
)
316 hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED
,
317 const_tree t1 ATTRIBUTE_UNUSED
)
323 hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED
,
324 const_tree t0 ATTRIBUTE_UNUSED
)
330 hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED
,
331 const_tree t0 ATTRIBUTE_UNUSED
,
332 const_tree t1 ATTRIBUTE_UNUSED
)
337 /* Generic hook that takes a const_tree and returns NULL_TREE. */
339 hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED
)
344 /* Generic hook that takes a rtx and an int and returns a bool. */
347 hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED
, int mode ATTRIBUTE_UNUSED
)
352 /* Generic hook that takes a rtx and an int and returns void. */
355 hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED
, int mode ATTRIBUTE_UNUSED
)