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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [hooks.c] - Blame information for rev 304

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

Line No. Rev Author Line
1 38 julius 
/* General-purpose hooks.
2 
   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
3 
 
4 
   This program is free software; you can redistribute it and/or modify it
5 
   under the terms of the GNU General Public License as published by the
6 
   Free Software Foundation; either version 3, or (at your option) any
7 
   later version.
8 
 
9 
   This program is distributed in the hope that it will be useful,
10 
   but WITHOUT ANY WARRANTY; without even the implied warranty of
11 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 
   GNU General Public License for more details.
13 
 
14 
   You should have received a copy of the GNU General Public License
15 
   along with this program; see the file COPYING3.  If not see
16 
   <http://www.gnu.org/licenses/>.
17 
 
18 
   In other words, you are welcome to use, share and improve this program.
19 
   You are forbidden to forbid anyone else to use, share and improve
20 
   what you give them.   Help stamp out software-hoarding!  */
21 
 
22 
/* This file contains generic hooks that can be used as defaults for
23 
   target or language-dependent hook initializers.  */
24 
 
25 
#include "config.h"
26 
#include "system.h"
27 
#include "coretypes.h"
28 
#include "tm.h"
29 
#include "hooks.h"
30 
 
31 
/* Generic hook that does absolutely zappo.  */
32 
void
33 
hook_void_void (void)
34 
{
35 
}
36 
 
37 
/* Generic hook that takes no arguments and returns false.  */
38 
bool
39 
hook_bool_void_false (void)
40 
{
41 
  return false;
42 
}
43 
 
44 
/* Generic hook that takes no arguments and returns true.  */
45 
bool
46 
hook_bool_void_true (void)
47 
{
48 
  return true;
49 
}
50 
 
51 
/* Generic hook that takes no arguments and returns NO_REGS.  */
52 
int
53 
hook_int_void_no_regs (void)
54 
{
55 
  return NO_REGS;
56 
}
57 
 
58 
/* Generic hook that takes (bool) and returns false.  */
59 
bool
60 
hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
61 
{
62 
  return false;
63 
}
64 
 
65 
/* Generic hook that takes (enum machine_mode) and returns false.  */
66 
bool
67 
hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
68 
{
69 
  return false;
70 
}
71 
 
72 
/* Generic hook that takes (enum machine_mode, rtx) and returns false.  */
73 
bool
74 
hook_bool_mode_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
75 
                          rtx value ATTRIBUTE_UNUSED)
76 
{
77 
  return false;
78 
}
79 
 
80 
/* Generic hook that takes (enum machine_mode, rtx) and returns true.  */
81 
bool
82 
hook_bool_mode_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
83 
                         rtx value ATTRIBUTE_UNUSED)
84 
{
85 
  return true;
86 
}
87 
 
88 
/* Generic hook that takes (FILE *, const char *) and does nothing.  */
89 
void
90 
hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
91 
{
92 
}
93 
 
94 
/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook.  */
95 
bool
96 
hook_bool_tree_hwi_hwi_tree_false (tree a ATTRIBUTE_UNUSED,
97 
                                   HOST_WIDE_INT b ATTRIBUTE_UNUSED,
98 
                                   HOST_WIDE_INT c ATTRIBUTE_UNUSED,
99 
                                   tree d ATTRIBUTE_UNUSED)
100 
{
101 
  return false;
102 
}
103 
 
104 
bool
105 
hook_bool_tree_hwi_hwi_tree_true (tree a ATTRIBUTE_UNUSED,
106 
                                  HOST_WIDE_INT b ATTRIBUTE_UNUSED,
107 
                                  HOST_WIDE_INT c ATTRIBUTE_UNUSED,
108 
                                  tree d ATTRIBUTE_UNUSED)
109 
{
110 
  return true;
111 
}
112 
 
113 
bool
114 
hook_bool_constcharptr_size_t_false (const char *a ATTRIBUTE_UNUSED,
115 
                                     size_t b ATTRIBUTE_UNUSED)
116 
{
117 
  return false;
118 
}
119 
 
120 
bool
121 
hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED,
122 
                                        const char *b ATTRIBUTE_UNUSED,
123 
                                        int c ATTRIBUTE_UNUSED)
124 
{
125 
  return true;
126 
}
127 
 
128 
bool
129 
default_can_output_mi_thunk_no_vcall (tree a ATTRIBUTE_UNUSED,
130 
                                      HOST_WIDE_INT b ATTRIBUTE_UNUSED,
131 
                                      HOST_WIDE_INT c,
132 
                                      tree d ATTRIBUTE_UNUSED)
133 
{
134 
  return c == 0;
135 
}
136 
 
137 
int
138 
hook_int_tree_0 (tree a ATTRIBUTE_UNUSED)
139 
{
140 
  return 0;
141 
}
142 
 
143 
/* ??? Used for comp_type_attributes, which ought to return bool.  */
144 
int
145 
hook_int_tree_tree_1 (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
146 
{
147 
  return 1;
148 
}
149 
 
150 
int
151 
hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
152 
{
153 
  return 0;
154 
}
155 
 
156 
int
157 
hook_int_size_t_constcharptr_int_0 (size_t a ATTRIBUTE_UNUSED,
158 
                                    const char *b ATTRIBUTE_UNUSED,
159 
                                    int c ATTRIBUTE_UNUSED)
160 
{
161 
  return 0;
162 
}
163 
 
164 
unsigned int
165 
hook_uint_uint_constcharptrptr_0 (unsigned int a ATTRIBUTE_UNUSED,
166 
                                  const char **b ATTRIBUTE_UNUSED)
167 
{
168 
  return 0;
169 
}
170 
 
171 
void
172 
hook_void_tree (tree a ATTRIBUTE_UNUSED)
173 
{
174 
}
175 
 
176 
void
177 
hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
178 
{
179 
}
180 
 
181 
void
182 
hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
183 
{
184 
}
185 
 
186 
bool
187 
hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
188 
{
189 
  return false;
190 
}
191 
 
192 
bool
193 
hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
194 
{
195 
  return true;
196 
}
197 
 
198 
bool
199 
hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
200 
{
201 
  return false;
202 
}
203 
 
204 
bool
205 
hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
206 
{
207 
  return false;
208 
}
209 
 
210 
bool
211 
hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
212 
{
213 
  return false;
214 
}
215 
 
216 
bool
217 
hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
218 
                             unsigned int *b ATTRIBUTE_UNUSED)
219 
{
220 
  return false;
221 
}
222 
 
223 
bool
224 
hook_bool_rtx_int_int_intp_false (rtx a ATTRIBUTE_UNUSED,
225 
                                  int b ATTRIBUTE_UNUSED,
226 
                                  int c ATTRIBUTE_UNUSED,
227 
                                  int *d ATTRIBUTE_UNUSED)
228 
{
229 
  return false;
230 
}
231 
 
232 
/* Generic hook that takes an rtx and returns it.  */
233 
rtx
234 
hook_rtx_rtx_identity (rtx x)
235 
{
236 
  return x;
237 
}
238 
 
239 
/* Generic hook that takes an rtx and returns NULL_RTX.  */
240 
rtx
241 
hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
242 
{
243 
  return NULL;
244 
}
245 
 
246 
/* Generic hook that takes a tree and an int and returns NULL_RTX.  */
247 
rtx
248 
hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
249 
{
250 
  return NULL;
251 
}
252 
 
253 
/* Generic hook that takes three trees and returns the last one as is.  */
254 
tree
255 
hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
256 
                                       tree b ATTRIBUTE_UNUSED, tree c)
257 
{
258 
  return c;
259 
}
260 
 
261 
/* Generic hook that takes a tree and returns a NULL string.  */
262 
const char *
263 
hook_constcharptr_tree_null (tree t ATTRIBUTE_UNUSED)
264 
{
265 
  return NULL;
266 
}
267 
 
268 
tree
269 
hook_tree_tree_tree_bool_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED,
270 
                               bool ignore ATTRIBUTE_UNUSED)
271 
{
272 
  return NULL;
273 
}
274 
 
275 
tree
276 
hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
277 
{
278 
  return NULL;
279 
}
280 
 
281 
/* Generic hook that takes a rtx and returns a NULL string.  */
282 
const char *
283 
hook_constcharptr_rtx_null (rtx r ATTRIBUTE_UNUSED)
284 
{
285 
  return NULL;
286 
}
287 
 
288 
const char *
289 
hook_constcharptr_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
290 
                                  tree t1 ATTRIBUTE_UNUSED)
291 
{
292 
  return NULL;
293 
}
294 
 
295 
const char *
296 
hook_constcharptr_int_tree_null (int i ATTRIBUTE_UNUSED,
297 
                                 tree t0 ATTRIBUTE_UNUSED)
298 
{
299 
  return NULL;
300 
}
301 
 
302 
const char *
303 
hook_constcharptr_int_tree_tree_null (int i ATTRIBUTE_UNUSED,
304 
                                      tree t0 ATTRIBUTE_UNUSED,
305 
                                      tree t1 ATTRIBUTE_UNUSED)
306 
{
307 
  return NULL;
308 
}

powered by: WebSVN 2.1.0

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