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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
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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,
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149 IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
150 __memcmp_power8)
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151 IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
152 __memcmp_power7)
153 IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_POWER4,
154 __memcmp_power4)
155 IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
156
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157 /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c. */
158 IFUNC_IMPL (i, name, bzero,
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159 IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07,
160 __bzero_power8)
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161 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
162 __bzero_power7)
163 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
164 __bzero_power6)
165 IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
166 __bzero_power4)
167 IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
168
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169 /* Support sysdeps/powerpc/powerpc64/multiarch/bcopy.c. */
170 IFUNC_IMPL (i, name, bcopy,
171 IFUNC_IMPL_ADD (array, i, bcopy, hwcap & PPC_FEATURE_HAS_VSX,
172 __bcopy_power7)
173 IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ppc))
174
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175 /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c. */
176 IFUNC_IMPL (i, name, mempcpy,
177 IFUNC_IMPL_ADD (array, i, mempcpy,
178 hwcap & PPC_FEATURE_HAS_VSX,
179 __mempcpy_power7)
180 IFUNC_IMPL_ADD (array, i, mempcpy, 1,
181 __mempcpy_ppc))
182
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183 /* Support sysdeps/powerpc/powerpc64/multiarch/memchr.c. */
184 IFUNC_IMPL (i, name, memchr,
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185 IFUNC_IMPL_ADD (array, i, memchr,
186 hwcap2 & PPC_FEATURE2_ARCH_2_07,
187 __memchr_power8)
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188 IFUNC_IMPL_ADD (array, i, memchr,
189 hwcap & PPC_FEATURE_HAS_VSX,
190 __memchr_power7)
191 IFUNC_IMPL_ADD (array, i, memchr, 1,
192 __memchr_ppc))
193
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194 /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c. */
195 IFUNC_IMPL (i, name, memrchr,
196 IFUNC_IMPL_ADD (array, i, memrchr,
197 hwcap & PPC_FEATURE_HAS_VSX,
198 __memrchr_power7)
199 IFUNC_IMPL_ADD (array, i, memrchr, 1,
200 __memrchr_ppc))
201
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202 /* Support sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c. */
203 IFUNC_IMPL (i, name, rawmemchr,
204 IFUNC_IMPL_ADD (array, i, rawmemchr,
205 hwcap & PPC_FEATURE_HAS_VSX,
206 __rawmemchr_power7)
207 IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
208 __rawmemchr_ppc))
209
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210 /* Support sysdeps/powerpc/powerpc64/multiarch/strnlen.c. */
211 IFUNC_IMPL (i, name, strnlen,
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212 IFUNC_IMPL_ADD (array, i, strnlen,
213 hwcap2 & PPC_FEATURE2_ARCH_2_07,
214 __strnlen_power8)
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215 IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX,
216 __strnlen_power7)
217 IFUNC_IMPL_ADD (array, i, strnlen, 1,
218 __strnlen_ppc))
219
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220 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c. */
221 IFUNC_IMPL (i, name, strcasecmp,
c8376f3e 222 IFUNC_IMPL_ADD (array, i, strcasecmp,
223 hwcap2 & PPC_FEATURE2_ARCH_2_07,
224 __strcasecmp_power8)
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225 IFUNC_IMPL_ADD (array, i, strcasecmp,
226 hwcap & PPC_FEATURE_HAS_VSX,
227 __strcasecmp_power7)
228 IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc))
229
230 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c. */
231 IFUNC_IMPL (i, name, strcasecmp_l,
232 IFUNC_IMPL_ADD (array, i, strcasecmp_l,
233 hwcap & PPC_FEATURE_HAS_VSX,
234 __strcasecmp_l_power7)
235 IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
236 __strcasecmp_l_ppc))
237
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238 /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c. */
239 IFUNC_IMPL (i, name, strncasecmp,
c8376f3e 240 IFUNC_IMPL_ADD (array, i, strncasecmp,
241 hwcap2 & PPC_FEATURE2_ARCH_2_07,
242 __strncasecmp_power8)
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243 IFUNC_IMPL_ADD (array, i, strncasecmp,
244 hwcap & PPC_FEATURE_HAS_VSX,
245 __strncasecmp_power7)
246 IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))
247
248 /* Support sysdeps/powerpc/powerpc64/multiarch/strncase_l.c. */
249 IFUNC_IMPL (i, name, strncasecmp_l,
250 IFUNC_IMPL_ADD (array, i, strncasecmp_l,
251 hwcap & PPC_FEATURE_HAS_VSX,
252 __strncasecmp_l_power7)
253 IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
254 __strncasecmp_l_ppc))
255
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256 /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c. */
257 IFUNC_IMPL (i, name, wcschr,
258 IFUNC_IMPL_ADD (array, i, wcschr,
259 hwcap & PPC_FEATURE_HAS_VSX,
260 __wcschr_power7)
261 IFUNC_IMPL_ADD (array, i, wcschr,
262 hwcap & PPC_FEATURE_ARCH_2_05,
263 __wcschr_power6)
264 IFUNC_IMPL_ADD (array, i, wcschr, 1,
265 __wcschr_ppc))
266
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267 /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c. */
268 IFUNC_IMPL (i, name, wcsrchr,
269 IFUNC_IMPL_ADD (array, i, wcsrchr,
270 hwcap & PPC_FEATURE_HAS_VSX,
271 __wcsrchr_power7)
272 IFUNC_IMPL_ADD (array, i, wcsrchr,
273 hwcap & PPC_FEATURE_ARCH_2_05,
274 __wcsrchr_power6)
275 IFUNC_IMPL_ADD (array, i, wcsrchr, 1,
276 __wcsrchr_ppc))
277
92cacfce
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278 /* Support sysdeps/powerpc/powerpc64/multiarch/wcscpy.c. */
279 IFUNC_IMPL (i, name, wcscpy,
280 IFUNC_IMPL_ADD (array, i, wcscpy,
281 hwcap & PPC_FEATURE_HAS_VSX,
282 __wcscpy_power7)
283 IFUNC_IMPL_ADD (array, i, wcscpy,
284 hwcap & PPC_FEATURE_ARCH_2_05,
285 __wcscpy_power6)
286 IFUNC_IMPL_ADD (array, i, wcscpy, 1,
287 __wcscpy_ppc))
288
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289 /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c. */
290 IFUNC_IMPL (i, name, strrchr,
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291 IFUNC_IMPL_ADD (array, i, strrchr,
292 hwcap2 & PPC_FEATURE2_ARCH_2_07,
293 __strrchr_power8)
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294 IFUNC_IMPL_ADD (array, i, strrchr,
295 hwcap & PPC_FEATURE_HAS_VSX,
296 __strrchr_power7)
297 IFUNC_IMPL_ADD (array, i, strrchr, 1,
298 __strrchr_ppc))
299
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300 /* Support sysdeps/powerpc/powerpc64/multiarch/strncat.c. */
301 IFUNC_IMPL (i, name, strncat,
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302 IFUNC_IMPL_ADD (array, i, strncat,
303 hwcap2 & PPC_FEATURE2_ARCH_2_07,
304 __strncat_power8)
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305 IFUNC_IMPL_ADD (array, i, strncat,
306 hwcap & PPC_FEATURE_HAS_VSX,
307 __strncat_power7)
308 IFUNC_IMPL_ADD (array, i, strncat, 1,
309 __strncat_ppc))
310
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311 /* Support sysdeps/powerpc/powerpc64/multiarch/strncpy.c. */
312 IFUNC_IMPL (i, name, strncpy,
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313 IFUNC_IMPL_ADD (array, i, strncpy,
314 hwcap2 & PPC_FEATURE2_ARCH_2_07,
315 __strncpy_power8)
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316 IFUNC_IMPL_ADD (array, i, strncpy,
317 hwcap & PPC_FEATURE_HAS_VSX,
318 __strncpy_power7)
319 IFUNC_IMPL_ADD (array, i, strncpy, 1,
320 __strncpy_ppc))
321
322 /* Support sysdeps/powerpc/powerpc64/multiarch/stpncpy.c. */
323 IFUNC_IMPL (i, name, stpncpy,
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324 IFUNC_IMPL_ADD (array, i, stpncpy,
325 hwcap2 & PPC_FEATURE2_ARCH_2_07,
326 __stpncpy_power8)
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327 IFUNC_IMPL_ADD (array, i, stpncpy,
328 hwcap & PPC_FEATURE_HAS_VSX,
329 __stpncpy_power7)
330 IFUNC_IMPL_ADD (array, i, stpncpy, 1,
331 __stpncpy_ppc))
332
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333 /* Support sysdeps/powerpc/powerpc64/multiarch/strcmp.c. */
334 IFUNC_IMPL (i, name, strcmp,
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335 IFUNC_IMPL_ADD (array, i, strcmp,
336 hwcap2 & PPC_FEATURE2_ARCH_3_00,
337 __strcmp_power9)
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338 IFUNC_IMPL_ADD (array, i, strcmp,
339 hwcap2 & PPC_FEATURE2_ARCH_2_07,
340 __strcmp_power8)
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341 IFUNC_IMPL_ADD (array, i, strcmp,
342 hwcap & PPC_FEATURE_HAS_VSX,
343 __strcmp_power7)
344 IFUNC_IMPL_ADD (array, i, strcmp, 1,
345 __strcmp_ppc))
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346
347 /* Support sysdeps/powerpc/powerpc64/multiarch/strcat.c. */
348 IFUNC_IMPL (i, name, strcat,
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349 IFUNC_IMPL_ADD (array, i, strcat,
350 hwcap2 & PPC_FEATURE2_ARCH_2_07,
351 __strcat_power8)
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352 IFUNC_IMPL_ADD (array, i, strcat,
353 hwcap & PPC_FEATURE_HAS_VSX,
354 __strcat_power7)
355 IFUNC_IMPL_ADD (array, i, strcat, 1,
356 __strcat_ppc))
357
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PM
358 /* Support sysdeps/powerpc/powerpc64/multiarch/strspn.c. */
359 IFUNC_IMPL (i, name, strspn,
360 IFUNC_IMPL_ADD (array, i, strspn,
361 hwcap2 & PPC_FEATURE2_ARCH_2_07,
362 __strspn_power8)
363 IFUNC_IMPL_ADD (array, i, strspn, 1,
364 __strspn_ppc))
365
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366 /* Support sysdeps/powerpc/powerpc64/multiarch/strcspn.c. */
367 IFUNC_IMPL (i, name, strcspn,
368 IFUNC_IMPL_ADD (array, i, strcspn,
369 hwcap2 & PPC_FEATURE2_ARCH_2_07,
370 __strcspn_power8)
371 IFUNC_IMPL_ADD (array, i, strcspn, 1,
372 __strcspn_ppc))
373
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374 /* Support sysdeps/powerpc/powerpc64/multiarch/strstr.c. */
375 IFUNC_IMPL (i, name, strstr,
376 IFUNC_IMPL_ADD (array, i, strstr,
377 hwcap & PPC_FEATURE_HAS_VSX,
378 __strstr_power7)
379 IFUNC_IMPL_ADD (array, i, strstr, 1,
380 __strstr_ppc))
381
382
e413b14e
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383 /* Support sysdeps/powerpc/powerpc64/multiarch/strcasestr.c. */
384 IFUNC_IMPL (i, name, strcasestr,
385 IFUNC_IMPL_ADD (array, i, strcasestr,
386 hwcap2 & PPC_FEATURE2_ARCH_2_07,
387 __strcasestr_power8)
388 IFUNC_IMPL_ADD (array, i, strcasestr, 1,
389 __strcasestr_ppc))
390
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391 return i;
392}