1 /* General-purpose hooks.
2 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
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 (bool, struct gcc_options *) and returns false. */
61 hook_bool_bool_gcc_optionsp_false (bool a ATTRIBUTE_UNUSED,
62 struct gcc_options *opts ATTRIBUTE_UNUSED)
67 /* Generic hook that takes const int, const int) and returns true. */
68 bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED,
69 const int b ATTRIBUTE_UNUSED)
74 /* Generic hook that takes (enum machine_mode) and returns false. */
76 hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
81 /* Generic hook that takes (enum machine_mode) and returns true. */
83 hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED)
88 /* Generic hook that takes (enum machine_mode, const_rtx) and returns false. */
90 hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
91 const_rtx value ATTRIBUTE_UNUSED)
96 /* Generic hook that takes (enum machine_mode, const_rtx) and returns true. */
98 hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
99 const_rtx value ATTRIBUTE_UNUSED)
104 /* Generic hook that takes (enum machine_mode, rtx) and returns false. */
106 hook_bool_mode_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
107 rtx value ATTRIBUTE_UNUSED)
112 /* Generic hook that takes (enum machine_mode, rtx) and returns true. */
114 hook_bool_mode_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
115 rtx value ATTRIBUTE_UNUSED)
120 /* Generic hook that takes (enum machine_mode, unsigned HOST_WIDE_INT)
121 and returns false. */
123 hook_bool_mode_uhwi_false (enum machine_mode mode ATTRIBUTE_UNUSED,
124 unsigned HOST_WIDE_INT value ATTRIBUTE_UNUSED)
129 /* Generic hook that takes (FILE *, const char *) and does nothing. */
131 hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
135 /* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
137 hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED,
138 HOST_WIDE_INT b ATTRIBUTE_UNUSED,
139 HOST_WIDE_INT c ATTRIBUTE_UNUSED,
140 const_tree d ATTRIBUTE_UNUSED)
146 hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED,
147 HOST_WIDE_INT b ATTRIBUTE_UNUSED,
148 HOST_WIDE_INT c ATTRIBUTE_UNUSED,
149 const_tree d ATTRIBUTE_UNUSED)
155 default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED,
156 HOST_WIDE_INT b ATTRIBUTE_UNUSED,
158 const_tree d ATTRIBUTE_UNUSED)
164 hook_int_uint_mode_1 (unsigned int a ATTRIBUTE_UNUSED,
165 enum machine_mode b ATTRIBUTE_UNUSED)
171 hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED)
176 /* ??? Used for comp_type_attributes, which ought to return bool. */
178 hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED)
184 hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
190 hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
196 hook_uint_void_0 (void)
202 hook_void_tree (tree a ATTRIBUTE_UNUSED)
207 hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
212 hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
217 hook_void_int_int (int a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
222 hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
228 hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED)
234 hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
240 hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED)
246 hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
252 hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
258 hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
264 hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
270 hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
271 unsigned int *b ATTRIBUTE_UNUSED)
277 hook_bool_rtx_int_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED,
278 int b ATTRIBUTE_UNUSED,
279 int c ATTRIBUTE_UNUSED,
280 int d ATTRIBUTE_UNUSED,
281 int *e ATTRIBUTE_UNUSED,
282 bool speed_p ATTRIBUTE_UNUSED)
287 /* Generic hook that takes an rtx and returns it. */
289 hook_rtx_rtx_identity (rtx x)
294 /* Generic hook that takes an rtx and returns NULL_RTX. */
296 hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
301 /* Generic hook that takes a tree and an int and returns NULL_RTX. */
303 hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
308 /* Generic hook that takes three trees and returns the last one as is. */
310 hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
311 tree b ATTRIBUTE_UNUSED, tree c)
316 /* Generic hook that takes a tree and returns a NULL string. */
318 hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
324 hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED,
325 int i ATTRIBUTE_UNUSED,
326 tree *p ATTRIBUTE_UNUSED,
327 bool ignore ATTRIBUTE_UNUSED)
333 hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
339 hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
340 tree t1 ATTRIBUTE_UNUSED,
341 tree t2 ATTRIBUTE_UNUSED)
346 /* Generic hook that takes a rtx and returns a NULL string. */
348 hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED)
354 hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED,
355 const_tree t1 ATTRIBUTE_UNUSED)
361 hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED,
362 const_tree t0 ATTRIBUTE_UNUSED)
368 hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED,
369 const_tree t0 ATTRIBUTE_UNUSED,
370 const_tree t1 ATTRIBUTE_UNUSED)
375 /* Generic hook that takes a const_tree and returns NULL_TREE. */
377 hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
382 /* Generic hook that takes a rtx and an int and returns a bool. */
385 hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
390 /* Generic hook that takes a rtx and an int and returns void. */
393 hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
397 /* Generic hook that takes a struct gcc_options * and returns void. */
400 hook_void_gcc_optionsp (struct gcc_options *opts ATTRIBUTE_UNUSED)