OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [hooks.c] - Blame information for rev 731

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 684 jeremybenn 
/* General-purpose hooks.
2 
   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
3 
   Free Software Foundation, Inc.
4 
 
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
8 
   later version.
9 
 
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.
14 
 
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/>.
18 
 
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!  */
22 
 
23 
/* This file contains generic hooks that can be used as defaults for
24 
   target or language-dependent hook initializers.  */
25 
 
26 
#include "config.h"
27 
#include "system.h"
28 
#include "coretypes.h"
29 
#include "tm.h"
30 
#include "hooks.h"
31 
 
32 
/* Generic hook that does absolutely zappo.  */
33 
void
34 
hook_void_void (void)
35 
{
36 
}
37 
 
38 
/* Generic hook that takes no arguments and returns false.  */
39 
bool
40 
hook_bool_void_false (void)
41 
{
42 
  return false;
43 
}
44 
 
45 
/* Generic hook that takes no arguments and returns true.  */
46 
bool
47 
hook_bool_void_true (void)
48 
{
49 
  return true;
50 
}
51 
 
52 
/* Generic hook that takes (bool) and returns false.  */
53 
bool
54 
hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
55 
{
56 
  return false;
57 
}
58 
 
59 
/* Generic hook that takes (bool, struct gcc_options *) and returns false.  */
60 
bool
61 
hook_bool_bool_gcc_optionsp_false (bool a ATTRIBUTE_UNUSED,
62 
                                   struct gcc_options *opts ATTRIBUTE_UNUSED)
63 
{
64 
  return false;
65 
}
66 
 
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)
70 
{
71 
  return true;
72 
}
73 
 
74 
/* Generic hook that takes (enum machine_mode) and returns false.  */
75 
bool
76 
hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
77 
{
78 
  return false;
79 
}
80 
 
81 
/* Generic hook that takes (enum machine_mode) and returns true.  */
82 
bool
83 
hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED)
84 
{
85 
  return true;
86 
}
87 
 
88 
/* Generic hook that takes (enum machine_mode, const_rtx) and returns false.  */
89 
bool
90 
hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
91 
                                const_rtx value ATTRIBUTE_UNUSED)
92 
{
93 
  return false;
94 
}
95 
 
96 
/* Generic hook that takes (enum machine_mode, const_rtx) and returns true.  */
97 
bool
98 
hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
99 
                               const_rtx value ATTRIBUTE_UNUSED)
100 
{
101 
  return true;
102 
}
103 
 
104 
/* Generic hook that takes (enum machine_mode, rtx) and returns false.  */
105 
bool
106 
hook_bool_mode_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
107 
                          rtx value ATTRIBUTE_UNUSED)
108 
{
109 
  return false;
110 
}
111 
 
112 
/* Generic hook that takes (enum machine_mode, rtx) and returns true.  */
113 
bool
114 
hook_bool_mode_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
115 
                         rtx value ATTRIBUTE_UNUSED)
116 
{
117 
  return true;
118 
}
119 
 
120 
/* Generic hook that takes (enum machine_mode, unsigned HOST_WIDE_INT)
121 
   and returns false.  */
122 
bool
123 
hook_bool_mode_uhwi_false (enum machine_mode mode ATTRIBUTE_UNUSED,
124 
                           unsigned HOST_WIDE_INT value ATTRIBUTE_UNUSED)
125 
{
126 
  return false;
127 
}
128 
 
129 
/* Generic hook that takes (FILE *, const char *) and does nothing.  */
130 
void
131 
hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
132 
{
133 
}
134 
 
135 
/* Generic hook that takes (FILE *, rtx) and returns false.  */
136 
bool
137 
hook_bool_FILEptr_rtx_false (FILE *a ATTRIBUTE_UNUSED,
138 
                             rtx b ATTRIBUTE_UNUSED)
139 
{
140 
  return false;
141 
}
142 
 
143 
/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook.  */
144 
bool
145 
hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED,
146 
                                               HOST_WIDE_INT b ATTRIBUTE_UNUSED,
147 
                                               HOST_WIDE_INT c ATTRIBUTE_UNUSED,
148 
                                               const_tree d ATTRIBUTE_UNUSED)
149 
{
150 
  return false;
151 
}
152 
 
153 
bool
154 
hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED,
155 
                                              HOST_WIDE_INT b ATTRIBUTE_UNUSED,
156 
                                              HOST_WIDE_INT c ATTRIBUTE_UNUSED,
157 
                                              const_tree d ATTRIBUTE_UNUSED)
158 
{
159 
  return true;
160 
}
161 
 
162 
bool
163 
default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED,
164 
                                      HOST_WIDE_INT b ATTRIBUTE_UNUSED,
165 
                                      HOST_WIDE_INT c,
166 
                                      const_tree d ATTRIBUTE_UNUSED)
167 
{
168 
  return c == 0;
169 
}
170 
 
171 
int
172 
hook_int_uint_mode_1 (unsigned int a ATTRIBUTE_UNUSED,
173 
                      enum machine_mode b ATTRIBUTE_UNUSED)
174 
{
175 
  return 1;
176 
}
177 
 
178 
int
179 
hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED)
180 
{
181 
  return 0;
182 
}
183 
 
184 
/* ??? Used for comp_type_attributes, which ought to return bool.  */
185 
int
186 
hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED)
187 
{
188 
  return 1;
189 
}
190 
 
191 
int
192 
hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
193 
{
194 
  return 0;
195 
}
196 
 
197 
int
198 
hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
199 
{
200 
  return 0;
201 
}
202 
 
203 
unsigned int
204 
hook_uint_void_0 (void)
205 
{
206 
  return 0;
207 
}
208 
 
209 
void
210 
hook_void_tree (tree a ATTRIBUTE_UNUSED)
211 
{
212 
}
213 
 
214 
void
215 
hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
216 
{
217 
}
218 
 
219 
void
220 
hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
221 
{
222 
}
223 
 
224 
void
225 
hook_void_int_int (int a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
226 
{
227 
}
228 
 
229 
bool
230 
hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
231 
{
232 
  return false;
233 
}
234 
 
235 
bool
236 
hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED)
237 
{
238 
  return false;
239 
}
240 
 
241 
bool
242 
hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
243 
{
244 
  return true;
245 
}
246 
 
247 
bool
248 
hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED)
249 
{
250 
  return true;
251 
}
252 
 
253 
bool
254 
hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
255 
{
256 
  return false;
257 
}
258 
 
259 
bool
260 
hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
261 
{
262 
  return true;
263 
}
264 
 
265 
bool
266 
hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
267 
{
268 
  return false;
269 
}
270 
 
271 
bool
272 
hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
273 
{
274 
  return false;
275 
}
276 
 
277 
bool
278 
hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
279 
                             unsigned int *b ATTRIBUTE_UNUSED)
280 
{
281 
  return false;
282 
}
283 
 
284 
bool
285 
hook_bool_rtx_int_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED,
286 
                                           int b ATTRIBUTE_UNUSED,
287 
                                           int c ATTRIBUTE_UNUSED,
288 
                                           int d ATTRIBUTE_UNUSED,
289 
                                           int *e ATTRIBUTE_UNUSED,
290 
                                           bool speed_p ATTRIBUTE_UNUSED)
291 
{
292 
  return false;
293 
}
294 
 
295 
/* Generic hook that takes an rtx and returns it.  */
296 
rtx
297 
hook_rtx_rtx_identity (rtx x)
298 
{
299 
  return x;
300 
}
301 
 
302 
/* Generic hook that takes an rtx and returns NULL_RTX.  */
303 
rtx
304 
hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
305 
{
306 
  return NULL;
307 
}
308 
 
309 
/* Generic hook that takes a tree and an int and returns NULL_RTX.  */
310 
rtx
311 
hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
312 
{
313 
  return NULL;
314 
}
315 
 
316 
/* Generic hook that takes three trees and returns the last one as is.  */
317 
tree
318 
hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
319 
                                       tree b ATTRIBUTE_UNUSED, tree c)
320 
{
321 
  return c;
322 
}
323 
 
324 
/* Generic hook that takes a tree and returns a NULL string.  */
325 
const char *
326 
hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
327 
{
328 
  return NULL;
329 
}
330 
 
331 
tree
332 
hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED,
333 
                                    int i ATTRIBUTE_UNUSED,
334 
                                    tree *p ATTRIBUTE_UNUSED,
335 
                                    bool ignore ATTRIBUTE_UNUSED)
336 
{
337 
  return NULL;
338 
}
339 
 
340 
tree
341 
hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
342 
{
343 
  return NULL;
344 
}
345 
 
346 
tree
347 
hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
348 
                               tree t1 ATTRIBUTE_UNUSED,
349 
                               tree t2 ATTRIBUTE_UNUSED)
350 
{
351 
  return NULL;
352 
}
353 
 
354 
/* Generic hook that takes a rtx and returns a NULL string.  */
355 
const char *
356 
hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED)
357 
{
358 
  return NULL;
359 
}
360 
 
361 
const char *
362 
hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED,
363 
                                              const_tree t1 ATTRIBUTE_UNUSED)
364 
{
365 
  return NULL;
366 
}
367 
 
368 
const char *
369 
hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED,
370 
                                       const_tree t0 ATTRIBUTE_UNUSED)
371 
{
372 
  return NULL;
373 
}
374 
 
375 
const char *
376 
hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED,
377 
                                                  const_tree t0 ATTRIBUTE_UNUSED,
378 
                                                  const_tree t1 ATTRIBUTE_UNUSED)
379 
{
380 
  return NULL;
381 
}
382 
 
383 
/* Generic hook that takes a const_tree and returns NULL_TREE.  */
384 
tree
385 
hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
386 
{
387 
  return NULL;
388 
}
389 
 
390 
/* Generic hook that takes a rtx and an int and returns a bool.  */
391 
 
392 
bool
393 
hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
394 
{
395 
  return false;
396 
}
397 
 
398 
/* Generic hook that takes a rtx and an int and returns void.  */
399 
 
400 
void
401 
hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
402 
{
403 
}
404 
 
405 
/* Generic hook that takes a struct gcc_options * and returns void.  */
406 
 
407 
void
408 
hook_void_gcc_optionsp (struct gcc_options *opts ATTRIBUTE_UNUSED)
409 
{
410 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.