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b5beafbc 1/* Enumerate available IFUNC implementations of a function. PowerPC64 version.
bfff8b1b 2 Copyright (C) 2013-2017 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
17762f66
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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_3_00,
114 __strncmp_power9)
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115 IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
116 __strncmp_power8)
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117 IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX,
118 __strncmp_power7)
119 IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4,
120 __strncmp_power4)
121 IFUNC_IMPL_ADD (array, i, strncmp, 1,
122 __strncmp_ppc))
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123
124 /* Support sysdeps/powerpc/powerpc64/multiarch/strchr.c. */
125 IFUNC_IMPL (i, name, strchr,
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126 IFUNC_IMPL_ADD (array, i, strchr,
127 hwcap2 & PPC_FEATURE2_ARCH_2_07,
128 __strchr_power8)
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129 IFUNC_IMPL_ADD (array, i, strchr,
130 hwcap & PPC_FEATURE_HAS_VSX,
131 __strchr_power7)
132 IFUNC_IMPL_ADD (array, i, strchr, 1,
133 __strchr_ppc))
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134
135 /* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c. */
136 IFUNC_IMPL (i, name, strchrnul,
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137 IFUNC_IMPL_ADD (array, i, strchrnul,
138 hwcap2 & PPC_FEATURE2_ARCH_2_07,
139 __strchrnul_power8)
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140 IFUNC_IMPL_ADD (array, i, strchrnul,
141 hwcap & PPC_FEATURE_HAS_VSX,
142 __strchrnul_power7)
143 IFUNC_IMPL_ADD (array, i, strchrnul, 1,
144 __strchrnul_ppc))
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145#endif
146
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147 /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
148 IFUNC_IMPL (i, name, memcmp,
149 IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
150 __memcmp_power7)
151 IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_POWER4,
152 __memcmp_power4)
153 IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
154
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155 /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c. */
156 IFUNC_IMPL (i, name, bzero,
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157 IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07,
158 __bzero_power8)
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159 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
160 __bzero_power7)
161 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
162 __bzero_power6)
163 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
164 __bzero_power4)
165 IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
166
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167 /* Support sysdeps/powerpc/powerpc64/multiarch/bcopy.c. */
168 IFUNC_IMPL (i, name, bcopy,
169 IFUNC_IMPL_ADD (array, i, bcopy, hwcap & PPC_FEATURE_HAS_VSX,
170 __bcopy_power7)
171 IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ppc))
172
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173 /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c. */
174 IFUNC_IMPL (i, name, mempcpy,
175 IFUNC_IMPL_ADD (array, i, mempcpy,
176 hwcap & PPC_FEATURE_HAS_VSX,
177 __mempcpy_power7)
178 IFUNC_IMPL_ADD (array, i, mempcpy, 1,
179 __mempcpy_ppc))
180
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181 /* Support sysdeps/powerpc/powerpc64/multiarch/memchr.c. */
182 IFUNC_IMPL (i, name, memchr,
183 IFUNC_IMPL_ADD (array, i, memchr,
184 hwcap & PPC_FEATURE_HAS_VSX,
185 __memchr_power7)
186 IFUNC_IMPL_ADD (array, i, memchr, 1,
187 __memchr_ppc))
188
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189 /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c. */
190 IFUNC_IMPL (i, name, memrchr,
191 IFUNC_IMPL_ADD (array, i, memrchr,
192 hwcap & PPC_FEATURE_HAS_VSX,
193 __memrchr_power7)
194 IFUNC_IMPL_ADD (array, i, memrchr, 1,
195 __memrchr_ppc))
196
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197 /* Support sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c. */
198 IFUNC_IMPL (i, name, rawmemchr,
199 IFUNC_IMPL_ADD (array, i, rawmemchr,
200 hwcap & PPC_FEATURE_HAS_VSX,
201 __rawmemchr_power7)
202 IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
203 __rawmemchr_ppc))
204
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205 /* Support sysdeps/powerpc/powerpc64/multiarch/strnlen.c. */
206 IFUNC_IMPL (i, name, strnlen,
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207 IFUNC_IMPL_ADD (array, i, strnlen,
208 hwcap2 & PPC_FEATURE2_ARCH_2_07,
209 __strnlen_power8)
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210 IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX,
211 __strnlen_power7)
212 IFUNC_IMPL_ADD (array, i, strnlen, 1,
213 __strnlen_ppc))
214
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215 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c. */
216 IFUNC_IMPL (i, name, strcasecmp,
c8376f3e 217 IFUNC_IMPL_ADD (array, i, strcasecmp,
218 hwcap2 & PPC_FEATURE2_ARCH_2_07,
219 __strcasecmp_power8)
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220 IFUNC_IMPL_ADD (array, i, strcasecmp,
221 hwcap & PPC_FEATURE_HAS_VSX,
222 __strcasecmp_power7)
223 IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc))
224
225 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c. */
226 IFUNC_IMPL (i, name, strcasecmp_l,
227 IFUNC_IMPL_ADD (array, i, strcasecmp_l,
228 hwcap & PPC_FEATURE_HAS_VSX,
229 __strcasecmp_l_power7)
230 IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
231 __strcasecmp_l_ppc))
232
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233 /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c. */
234 IFUNC_IMPL (i, name, strncasecmp,
c8376f3e 235 IFUNC_IMPL_ADD (array, i, strncasecmp,
236 hwcap2 & PPC_FEATURE2_ARCH_2_07,
237 __strncasecmp_power8)
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238 IFUNC_IMPL_ADD (array, i, strncasecmp,
239 hwcap & PPC_FEATURE_HAS_VSX,
240 __strncasecmp_power7)
241 IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))
242
243 /* Support sysdeps/powerpc/powerpc64/multiarch/strncase_l.c. */
244 IFUNC_IMPL (i, name, strncasecmp_l,
245 IFUNC_IMPL_ADD (array, i, strncasecmp_l,
246 hwcap & PPC_FEATURE_HAS_VSX,
247 __strncasecmp_l_power7)
248 IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
249 __strncasecmp_l_ppc))
250
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251 /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c. */
252 IFUNC_IMPL (i, name, wcschr,
253 IFUNC_IMPL_ADD (array, i, wcschr,
254 hwcap & PPC_FEATURE_HAS_VSX,
255 __wcschr_power7)
256 IFUNC_IMPL_ADD (array, i, wcschr,
257 hwcap & PPC_FEATURE_ARCH_2_05,
258 __wcschr_power6)
259 IFUNC_IMPL_ADD (array, i, wcschr, 1,
260 __wcschr_ppc))
261
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262 /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c. */
263 IFUNC_IMPL (i, name, wcsrchr,
264 IFUNC_IMPL_ADD (array, i, wcsrchr,
265 hwcap & PPC_FEATURE_HAS_VSX,
266 __wcsrchr_power7)
267 IFUNC_IMPL_ADD (array, i, wcsrchr,
268 hwcap & PPC_FEATURE_ARCH_2_05,
269 __wcsrchr_power6)
270 IFUNC_IMPL_ADD (array, i, wcsrchr, 1,
271 __wcsrchr_ppc))
272
92cacfce
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273 /* Support sysdeps/powerpc/powerpc64/multiarch/wcscpy.c. */
274 IFUNC_IMPL (i, name, wcscpy,
275 IFUNC_IMPL_ADD (array, i, wcscpy,
276 hwcap & PPC_FEATURE_HAS_VSX,
277 __wcscpy_power7)
278 IFUNC_IMPL_ADD (array, i, wcscpy,
279 hwcap & PPC_FEATURE_ARCH_2_05,
280 __wcscpy_power6)
281 IFUNC_IMPL_ADD (array, i, wcscpy, 1,
282 __wcscpy_ppc))
283
c7debbdf
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284 /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c. */
285 IFUNC_IMPL (i, name, strrchr,
286 IFUNC_IMPL_ADD (array, i, strrchr,
287 hwcap & PPC_FEATURE_HAS_VSX,
288 __strrchr_power7)
289 IFUNC_IMPL_ADD (array, i, strrchr, 1,
290 __strrchr_ppc))
291
ba9cc071
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292 /* Support sysdeps/powerpc/powerpc64/multiarch/strncat.c. */
293 IFUNC_IMPL (i, name, strncat,
249dcdb7
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294 IFUNC_IMPL_ADD (array, i, strncat,
295 hwcap2 & PPC_FEATURE2_ARCH_2_07,
296 __strncat_power8)
ba9cc071
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297 IFUNC_IMPL_ADD (array, i, strncat,
298 hwcap & PPC_FEATURE_HAS_VSX,
299 __strncat_power7)
300 IFUNC_IMPL_ADD (array, i, strncat, 1,
301 __strncat_ppc))
302
f360f94a
VR
303 /* Support sysdeps/powerpc/powerpc64/multiarch/strncpy.c. */
304 IFUNC_IMPL (i, name, strncpy,
f06a4faf
AZ
305 IFUNC_IMPL_ADD (array, i, strncpy,
306 hwcap2 & PPC_FEATURE2_ARCH_2_07,
307 __strncpy_power8)
f360f94a
VR
308 IFUNC_IMPL_ADD (array, i, strncpy,
309 hwcap & PPC_FEATURE_HAS_VSX,
310 __strncpy_power7)
311 IFUNC_IMPL_ADD (array, i, strncpy, 1,
312 __strncpy_ppc))
313
314 /* Support sysdeps/powerpc/powerpc64/multiarch/stpncpy.c. */
315 IFUNC_IMPL (i, name, stpncpy,
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AZ
316 IFUNC_IMPL_ADD (array, i, stpncpy,
317 hwcap2 & PPC_FEATURE2_ARCH_2_07,
318 __stpncpy_power8)
f360f94a
VR
319 IFUNC_IMPL_ADD (array, i, stpncpy,
320 hwcap & PPC_FEATURE_HAS_VSX,
321 __stpncpy_power7)
322 IFUNC_IMPL_ADD (array, i, stpncpy, 1,
323 __stpncpy_ppc))
324
e23d3d26
VR
325 /* Support sysdeps/powerpc/powerpc64/multiarch/strcmp.c. */
326 IFUNC_IMPL (i, name, strcmp,
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327 IFUNC_IMPL_ADD (array, i, strcmp,
328 hwcap2 & PPC_FEATURE2_ARCH_3_00,
329 __strcmp_power9)
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330 IFUNC_IMPL_ADD (array, i, strcmp,
331 hwcap2 & PPC_FEATURE2_ARCH_2_07,
332 __strcmp_power8)
e23d3d26
VR
333 IFUNC_IMPL_ADD (array, i, strcmp,
334 hwcap & PPC_FEATURE_HAS_VSX,
335 __strcmp_power7)
336 IFUNC_IMPL_ADD (array, i, strcmp, 1,
337 __strcmp_ppc))
bc8ea385
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338
339 /* Support sysdeps/powerpc/powerpc64/multiarch/strcat.c. */
340 IFUNC_IMPL (i, name, strcat,
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341 IFUNC_IMPL_ADD (array, i, strcat,
342 hwcap2 & PPC_FEATURE2_ARCH_2_07,
343 __strcat_power8)
bc8ea385
VR
344 IFUNC_IMPL_ADD (array, i, strcat,
345 hwcap & PPC_FEATURE_HAS_VSX,
346 __strcat_power7)
347 IFUNC_IMPL_ADD (array, i, strcat, 1,
348 __strcat_ppc))
349
25dba0ad
PM
350 /* Support sysdeps/powerpc/powerpc64/multiarch/strspn.c. */
351 IFUNC_IMPL (i, name, strspn,
352 IFUNC_IMPL_ADD (array, i, strspn,
353 hwcap2 & PPC_FEATURE2_ARCH_2_07,
354 __strspn_power8)
355 IFUNC_IMPL_ADD (array, i, strspn, 1,
356 __strspn_ppc))
357
8f1b841e
PM
358 /* Support sysdeps/powerpc/powerpc64/multiarch/strcspn.c. */
359 IFUNC_IMPL (i, name, strcspn,
360 IFUNC_IMPL_ADD (array, i, strcspn,
361 hwcap2 & PPC_FEATURE2_ARCH_2_07,
362 __strcspn_power8)
363 IFUNC_IMPL_ADD (array, i, strcspn, 1,
364 __strcspn_ppc))
365
b42f8cad
RS
366 /* Support sysdeps/powerpc/powerpc64/multiarch/strstr.c. */
367 IFUNC_IMPL (i, name, strstr,
368 IFUNC_IMPL_ADD (array, i, strstr,
369 hwcap & PPC_FEATURE_HAS_VSX,
370 __strstr_power7)
371 IFUNC_IMPL_ADD (array, i, strstr, 1,
372 __strstr_ppc))
373
374
e413b14e
RS
375 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasestr.c. */
376 IFUNC_IMPL (i, name, strcasestr,
377 IFUNC_IMPL_ADD (array, i, strcasestr,
378 hwcap2 & PPC_FEATURE2_ARCH_2_07,
379 __strcasestr_power8)
380 IFUNC_IMPL_ADD (array, i, strcasestr, 1,
381 __strcasestr_ppc))
382
b5beafbc
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383 return i;
384}