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b5beafbc 1/* Enumerate available IFUNC implementations of a function. PowerPC64 version.
f7a9f785 2 Copyright (C) 2013-2016 Free Software Foundation, Inc.
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3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library 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 GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <assert.h>
20#include <string.h>
21#include <wchar.h>
22#include <ldsodefs.h>
23#include <ifunc-impl-list.h>
24
25/* Maximum number of IFUNC implementations. */
26#define MAX_IFUNC 6
27
28size_t
29__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
30 size_t max)
31{
32 assert (max >= MAX_IFUNC);
33
34 size_t i = 0;
35
36 unsigned long int hwcap = GLRO(dl_hwcap);
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37 unsigned long int hwcap2 = GLRO(dl_hwcap2);
38
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39 /* hwcap contains only the latest supported ISA, the code checks which is
40 and fills the previous supported ones. */
41 if (hwcap & PPC_FEATURE_ARCH_2_06)
42 hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS |
43 PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
44 else if (hwcap & PPC_FEATURE_ARCH_2_05)
45 hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
46 else if (hwcap & PPC_FEATURE_POWER5_PLUS)
47 hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
48 else if (hwcap & PPC_FEATURE_POWER5)
49 hwcap |= PPC_FEATURE_POWER4;
50
51#ifdef SHARED
52 /* Support sysdeps/powerpc/powerpc64/multiarch/memcpy.c. */
53 IFUNC_IMPL (i, name, memcpy,
54 IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX,
55 __memcpy_power7)
56 IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06,
57 __memcpy_a2)
58 IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05,
59 __memcpy_power6)
60 IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE,
61 __memcpy_cell)
62 IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_POWER4,
63 __memcpy_power4)
64 IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
8a29a3d0 65
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66 /* Support sysdeps/powerpc/powerpc64/multiarch/memmove.c. */
67 IFUNC_IMPL (i, name, memmove,
68 IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_HAS_VSX,
69 __memmove_power7)
70 IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ppc))
71
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72 /* Support sysdeps/powerpc/powerpc64/multiarch/memset.c. */
73 IFUNC_IMPL (i, name, memset,
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74 IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07,
75 __memset_power8)
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76 IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
77 __memset_power7)
78 IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
79 __memset_power6)
80 IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
81 __memset_power4)
82 IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
a65f4904 83
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84 /* Support sysdeps/powerpc/powerpc64/multiarch/strcpy.c. */
85 IFUNC_IMPL (i, name, strcpy,
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86 IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
87 __strcpy_power8)
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88 IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_HAS_VSX,
89 __strcpy_power7)
90 IFUNC_IMPL_ADD (array, i, strcpy, 1,
91 __strcpy_ppc))
92
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93 /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c. */
94 IFUNC_IMPL (i, name, stpcpy,
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95 IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
96 __stpcpy_power8)
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97 IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_HAS_VSX,
98 __stpcpy_power7)
99 IFUNC_IMPL_ADD (array, i, stpcpy, 1,
100 __stpcpy_ppc))
101
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102 /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c. */
103 IFUNC_IMPL (i, name, strlen,
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104 IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
105 __strlen_power8)
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106 IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
107 __strlen_power7)
108 IFUNC_IMPL_ADD (array, i, strlen, 1,
109 __strlen_ppc))
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110
111 /* Support sysdeps/powerpc/powerpc64/multiarch/strncmp.c. */
112 IFUNC_IMPL (i, name, strncmp,
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113 IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
114 __strncmp_power8)
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115 IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX,
116 __strncmp_power7)
117 IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4,
118 __strncmp_power4)
119 IFUNC_IMPL_ADD (array, i, strncmp, 1,
120 __strncmp_ppc))
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121
122 /* Support sysdeps/powerpc/powerpc64/multiarch/strchr.c. */
123 IFUNC_IMPL (i, name, strchr,
124 IFUNC_IMPL_ADD (array, i, strchr,
125 hwcap & PPC_FEATURE_HAS_VSX,
126 __strchr_power7)
127 IFUNC_IMPL_ADD (array, i, strchr, 1,
128 __strchr_ppc))
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129
130 /* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c. */
131 IFUNC_IMPL (i, name, strchrnul,
132 IFUNC_IMPL_ADD (array, i, strchrnul,
133 hwcap & PPC_FEATURE_HAS_VSX,
134 __strchrnul_power7)
135 IFUNC_IMPL_ADD (array, i, strchrnul, 1,
136 __strchrnul_ppc))
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137#endif
138
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139 /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
140 IFUNC_IMPL (i, name, memcmp,
141 IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
142 __memcmp_power7)
143 IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_POWER4,
144 __memcmp_power4)
145 IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
146
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147 /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c. */
148 IFUNC_IMPL (i, name, bzero,
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149 IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07,
150 __bzero_power8)
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151 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
152 __bzero_power7)
153 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
154 __bzero_power6)
155 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
156 __bzero_power4)
157 IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
158
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159 /* Support sysdeps/powerpc/powerpc64/multiarch/bcopy.c. */
160 IFUNC_IMPL (i, name, bcopy,
161 IFUNC_IMPL_ADD (array, i, bcopy, hwcap & PPC_FEATURE_HAS_VSX,
162 __bcopy_power7)
163 IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ppc))
164
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165 /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c. */
166 IFUNC_IMPL (i, name, mempcpy,
167 IFUNC_IMPL_ADD (array, i, mempcpy,
168 hwcap & PPC_FEATURE_HAS_VSX,
169 __mempcpy_power7)
170 IFUNC_IMPL_ADD (array, i, mempcpy, 1,
171 __mempcpy_ppc))
172
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173 /* Support sysdeps/powerpc/powerpc64/multiarch/memchr.c. */
174 IFUNC_IMPL (i, name, memchr,
175 IFUNC_IMPL_ADD (array, i, memchr,
176 hwcap & PPC_FEATURE_HAS_VSX,
177 __memchr_power7)
178 IFUNC_IMPL_ADD (array, i, memchr, 1,
179 __memchr_ppc))
180
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181 /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c. */
182 IFUNC_IMPL (i, name, memrchr,
183 IFUNC_IMPL_ADD (array, i, memrchr,
184 hwcap & PPC_FEATURE_HAS_VSX,
185 __memrchr_power7)
186 IFUNC_IMPL_ADD (array, i, memrchr, 1,
187 __memrchr_ppc))
188
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189 /* Support sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c. */
190 IFUNC_IMPL (i, name, rawmemchr,
191 IFUNC_IMPL_ADD (array, i, rawmemchr,
192 hwcap & PPC_FEATURE_HAS_VSX,
193 __rawmemchr_power7)
194 IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
195 __rawmemchr_ppc))
196
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197 /* Support sysdeps/powerpc/powerpc64/multiarch/strnlen.c. */
198 IFUNC_IMPL (i, name, strnlen,
199 IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX,
200 __strnlen_power7)
201 IFUNC_IMPL_ADD (array, i, strnlen, 1,
202 __strnlen_ppc))
203
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204 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c. */
205 IFUNC_IMPL (i, name, strcasecmp,
c8376f3e 206 IFUNC_IMPL_ADD (array, i, strcasecmp,
207 hwcap2 & PPC_FEATURE2_ARCH_2_07,
208 __strcasecmp_power8)
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209 IFUNC_IMPL_ADD (array, i, strcasecmp,
210 hwcap & PPC_FEATURE_HAS_VSX,
211 __strcasecmp_power7)
212 IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc))
213
214 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c. */
215 IFUNC_IMPL (i, name, strcasecmp_l,
216 IFUNC_IMPL_ADD (array, i, strcasecmp_l,
217 hwcap & PPC_FEATURE_HAS_VSX,
218 __strcasecmp_l_power7)
219 IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
220 __strcasecmp_l_ppc))
221
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222 /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c. */
223 IFUNC_IMPL (i, name, strncasecmp,
c8376f3e 224 IFUNC_IMPL_ADD (array, i, strncasecmp,
225 hwcap2 & PPC_FEATURE2_ARCH_2_07,
226 __strncasecmp_power8)
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227 IFUNC_IMPL_ADD (array, i, strncasecmp,
228 hwcap & PPC_FEATURE_HAS_VSX,
229 __strncasecmp_power7)
230 IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))
231
232 /* Support sysdeps/powerpc/powerpc64/multiarch/strncase_l.c. */
233 IFUNC_IMPL (i, name, strncasecmp_l,
234 IFUNC_IMPL_ADD (array, i, strncasecmp_l,
235 hwcap & PPC_FEATURE_HAS_VSX,
236 __strncasecmp_l_power7)
237 IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
238 __strncasecmp_l_ppc))
239
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240 /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c. */
241 IFUNC_IMPL (i, name, wcschr,
242 IFUNC_IMPL_ADD (array, i, wcschr,
243 hwcap & PPC_FEATURE_HAS_VSX,
244 __wcschr_power7)
245 IFUNC_IMPL_ADD (array, i, wcschr,
246 hwcap & PPC_FEATURE_ARCH_2_05,
247 __wcschr_power6)
248 IFUNC_IMPL_ADD (array, i, wcschr, 1,
249 __wcschr_ppc))
250
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251 /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c. */
252 IFUNC_IMPL (i, name, wcsrchr,
253 IFUNC_IMPL_ADD (array, i, wcsrchr,
254 hwcap & PPC_FEATURE_HAS_VSX,
255 __wcsrchr_power7)
256 IFUNC_IMPL_ADD (array, i, wcsrchr,
257 hwcap & PPC_FEATURE_ARCH_2_05,
258 __wcsrchr_power6)
259 IFUNC_IMPL_ADD (array, i, wcsrchr, 1,
260 __wcsrchr_ppc))
261
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262 /* Support sysdeps/powerpc/powerpc64/multiarch/wcscpy.c. */
263 IFUNC_IMPL (i, name, wcscpy,
264 IFUNC_IMPL_ADD (array, i, wcscpy,
265 hwcap & PPC_FEATURE_HAS_VSX,
266 __wcscpy_power7)
267 IFUNC_IMPL_ADD (array, i, wcscpy,
268 hwcap & PPC_FEATURE_ARCH_2_05,
269 __wcscpy_power6)
270 IFUNC_IMPL_ADD (array, i, wcscpy, 1,
271 __wcscpy_ppc))
272
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273 /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c. */
274 IFUNC_IMPL (i, name, strrchr,
275 IFUNC_IMPL_ADD (array, i, strrchr,
276 hwcap & PPC_FEATURE_HAS_VSX,
277 __strrchr_power7)
278 IFUNC_IMPL_ADD (array, i, strrchr, 1,
279 __strrchr_ppc))
280
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281 /* Support sysdeps/powerpc/powerpc64/multiarch/strncat.c. */
282 IFUNC_IMPL (i, name, strncat,
283 IFUNC_IMPL_ADD (array, i, strncat,
284 hwcap & PPC_FEATURE_HAS_VSX,
285 __strncat_power7)
286 IFUNC_IMPL_ADD (array, i, strncat, 1,
287 __strncat_ppc))
288
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289 /* Support sysdeps/powerpc/powerpc64/multiarch/strncpy.c. */
290 IFUNC_IMPL (i, name, strncpy,
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291 IFUNC_IMPL_ADD (array, i, strncpy,
292 hwcap2 & PPC_FEATURE2_ARCH_2_07,
293 __strncpy_power8)
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294 IFUNC_IMPL_ADD (array, i, strncpy,
295 hwcap & PPC_FEATURE_HAS_VSX,
296 __strncpy_power7)
297 IFUNC_IMPL_ADD (array, i, strncpy, 1,
298 __strncpy_ppc))
299
300 /* Support sysdeps/powerpc/powerpc64/multiarch/stpncpy.c. */
301 IFUNC_IMPL (i, name, stpncpy,
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302 IFUNC_IMPL_ADD (array, i, stpncpy,
303 hwcap2 & PPC_FEATURE2_ARCH_2_07,
304 __stpncpy_power8)
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305 IFUNC_IMPL_ADD (array, i, stpncpy,
306 hwcap & PPC_FEATURE_HAS_VSX,
307 __stpncpy_power7)
308 IFUNC_IMPL_ADD (array, i, stpncpy, 1,
309 __stpncpy_ppc))
310
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311 /* Support sysdeps/powerpc/powerpc64/multiarch/strcmp.c. */
312 IFUNC_IMPL (i, name, strcmp,
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313 IFUNC_IMPL_ADD (array, i, strcmp,
314 hwcap2 & PPC_FEATURE2_ARCH_3_00,
315 __strcmp_power9)
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316 IFUNC_IMPL_ADD (array, i, strcmp,
317 hwcap2 & PPC_FEATURE2_ARCH_2_07,
318 __strcmp_power8)
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319 IFUNC_IMPL_ADD (array, i, strcmp,
320 hwcap & PPC_FEATURE_HAS_VSX,
321 __strcmp_power7)
322 IFUNC_IMPL_ADD (array, i, strcmp, 1,
323 __strcmp_ppc))
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324
325 /* Support sysdeps/powerpc/powerpc64/multiarch/strcat.c. */
326 IFUNC_IMPL (i, name, strcat,
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327 IFUNC_IMPL_ADD (array, i, strcat,
328 hwcap2 & PPC_FEATURE2_ARCH_2_07,
329 __strcat_power8)
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330 IFUNC_IMPL_ADD (array, i, strcat,
331 hwcap & PPC_FEATURE_HAS_VSX,
332 __strcat_power7)
333 IFUNC_IMPL_ADD (array, i, strcat, 1,
334 __strcat_ppc))
335
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336 /* Support sysdeps/powerpc/powerpc64/multiarch/strspn.c. */
337 IFUNC_IMPL (i, name, strspn,
338 IFUNC_IMPL_ADD (array, i, strspn,
339 hwcap2 & PPC_FEATURE2_ARCH_2_07,
340 __strspn_power8)
341 IFUNC_IMPL_ADD (array, i, strspn, 1,
342 __strspn_ppc))
343
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344 /* Support sysdeps/powerpc/powerpc64/multiarch/strcspn.c. */
345 IFUNC_IMPL (i, name, strcspn,
346 IFUNC_IMPL_ADD (array, i, strcspn,
347 hwcap2 & PPC_FEATURE2_ARCH_2_07,
348 __strcspn_power8)
349 IFUNC_IMPL_ADD (array, i, strcspn, 1,
350 __strcspn_ppc))
351
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352 /* Support sysdeps/powerpc/powerpc64/multiarch/strstr.c. */
353 IFUNC_IMPL (i, name, strstr,
354 IFUNC_IMPL_ADD (array, i, strstr,
355 hwcap & PPC_FEATURE_HAS_VSX,
356 __strstr_power7)
357 IFUNC_IMPL_ADD (array, i, strstr, 1,
358 __strstr_ppc))
359
360
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361 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasestr.c. */
362 IFUNC_IMPL (i, name, strcasestr,
363 IFUNC_IMPL_ADD (array, i, strcasestr,
364 hwcap2 & PPC_FEATURE2_ARCH_2_07,
365 __strcasestr_power8)
366 IFUNC_IMPL_ADD (array, i, strcasestr, 1,
367 __strcasestr_ppc))
368
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369 return i;
370}