sysdeps/i386/i686/multiarch/ifunc-impl-list.c

   1 /* Enumerate available IFUNC implementations of a function.  i686 version.
   2    Copyright (C) 2012-2015 Free Software Foundation, Inc.
   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 <ifunc-impl-list.h>
  23 #include "init-arch.h"
  24
  25 /* Maximum number of IFUNC implementations.  */
  26 #define MAX_IFUNC       4
  27
  28 /* Fill ARRAY of MAX elements with IFUNC implementations for function
  29    NAME and return the number of valid entries.  */
  30
  31 size_t
  32 __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
  33                         size_t max)
  34 {
  35   assert (max >= MAX_IFUNC);
  36
  37   size_t i = 0;
  38
  39   /* Support sysdeps/i386/i686/multiarch/bcopy.S.  */
  40   IFUNC_IMPL (i, name, bcopy,
  41               IFUNC_IMPL_ADD (array, i, bcopy, HAS_SSSE3,
  42                               __bcopy_ssse3_rep)
  43               IFUNC_IMPL_ADD (array, i, bcopy, HAS_SSSE3, __bcopy_ssse3)
  44               IFUNC_IMPL_ADD (array, i, bcopy, HAS_SSE2,
  45                               __bcopy_sse2_unaligned)
  46               IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ia32))
  47
  48   /* Support sysdeps/i386/i686/multiarch/bzero.S.  */
  49   IFUNC_IMPL (i, name, bzero,
  50               IFUNC_IMPL_ADD (array, i, bzero, HAS_SSE2, __bzero_sse2_rep)
  51               IFUNC_IMPL_ADD (array, i, bzero, HAS_SSE2, __bzero_sse2)
  52               IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ia32))
  53
  54   /* Support sysdeps/i386/i686/multiarch/memchr.S.  */
  55   IFUNC_IMPL (i, name, memchr,
  56               IFUNC_IMPL_ADD (array, i, memchr, HAS_SSE2,
  57                               __memchr_sse2_bsf)
  58               IFUNC_IMPL_ADD (array, i, memchr, HAS_SSE2, __memchr_sse2)
  59               IFUNC_IMPL_ADD (array, i, memchr, 1, __memchr_ia32))
  60
  61   /* Support sysdeps/i386/i686/multiarch/memcmp.S.  */
  62   IFUNC_IMPL (i, name, memcmp,
  63               IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSE4_2,
  64                               __memcmp_sse4_2)
  65               IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSSE3, __memcmp_ssse3)
  66               IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ia32))
  67
  68   /* Support sysdeps/i386/i686/multiarch/memmove_chk.S.  */
  69   IFUNC_IMPL (i, name, __memmove_chk,
  70               IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
  71                               __memmove_chk_ssse3_rep)
  72               IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
  73                               __memmove_chk_ssse3)
  74               IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSE2,
  75                               __memmove_chk_sse2_unaligned)
  76               IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
  77                               __memmove_chk_ia32))
  78
  79   /* Support sysdeps/i386/i686/multiarch/memmove.S.  */
  80   IFUNC_IMPL (i, name, memmove,
  81               IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
  82                               __memmove_ssse3_rep)
  83               IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
  84                               __memmove_ssse3)
  85               IFUNC_IMPL_ADD (array, i, memmove, HAS_SSE2,
  86                               __memmove_sse2_unaligned)
  87               IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ia32))
  88
  89   /* Support sysdeps/i386/i686/multiarch/memrchr.S.  */
  90   IFUNC_IMPL (i, name, memrchr,
  91               IFUNC_IMPL_ADD (array, i, memrchr, HAS_SSE2,
  92                               __memrchr_sse2_bsf)
  93               IFUNC_IMPL_ADD (array, i, memrchr, HAS_SSE2, __memrchr_sse2)
  94               IFUNC_IMPL_ADD (array, i, memrchr, 1, __memrchr_ia32))
  95
  96   /* Support sysdeps/i386/i686/multiarch/memset_chk.S.  */
  97   IFUNC_IMPL (i, name, __memset_chk,
  98               IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_SSE2,
  99                               __memset_chk_sse2_rep)
 100               IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_SSE2,
 101                               __memset_chk_sse2)
 102               IFUNC_IMPL_ADD (array, i, __memset_chk, 1,
 103                               __memset_chk_ia32))
 104
 105   /* Support sysdeps/i386/i686/multiarch/memset.S.  */
 106   IFUNC_IMPL (i, name, memset,
 107               IFUNC_IMPL_ADD (array, i, memset, HAS_SSE2,
 108                               __memset_sse2_rep)
 109               IFUNC_IMPL_ADD (array, i, memset, HAS_SSE2, __memset_sse2)
 110               IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ia32))
 111
 112   /* Support sysdeps/i386/i686/multiarch/rawmemchr.S.  */
 113   IFUNC_IMPL (i, name, rawmemchr,
 114               IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE2,
 115                               __rawmemchr_sse2_bsf)
 116               IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE2,
 117                               __rawmemchr_sse2)
 118               IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_ia32))
 119
 120   /* Support sysdeps/i386/i686/multiarch/stpncpy.S.  */
 121   IFUNC_IMPL (i, name, stpncpy,
 122               IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSSE3,
 123                               __stpncpy_ssse3)
 124               IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSE2, __stpncpy_sse2)
 125               IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_ia32))
 126
 127   /* Support sysdeps/i386/i686/multiarch/stpcpy.S.  */
 128   IFUNC_IMPL (i, name, stpcpy,
 129               IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSSE3, __stpcpy_ssse3)
 130               IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSE2, __stpcpy_sse2)
 131               IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_ia32))
 132
 133   /* Support sysdeps/i386/i686/multiarch/strcasecmp.S.  */
 134   IFUNC_IMPL (i, name, strcasecmp,
 135               IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSE4_2,
 136                               __strcasecmp_sse4_2)
 137               IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSSE3,
 138                               __strcasecmp_ssse3)
 139               IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ia32))
 140
 141   /* Support sysdeps/i386/i686/multiarch/strcasecmp_l.S.  */
 142   IFUNC_IMPL (i, name, strcasecmp_l,
 143               IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSE4_2,
 144                               __strcasecmp_l_sse4_2)
 145               IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSSE3,
 146                               __strcasecmp_l_ssse3)
 147               IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
 148                               __strcasecmp_l_ia32))
 149
 150   /* Support sysdeps/i386/i686/multiarch/strcat.S.  */
 151   IFUNC_IMPL (i, name, strcat,
 152               IFUNC_IMPL_ADD (array, i, strcat, HAS_SSSE3, __strcat_ssse3)
 153               IFUNC_IMPL_ADD (array, i, strcat, HAS_SSE2, __strcat_sse2)
 154               IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_ia32))
 155
 156   /* Support sysdeps/i386/i686/multiarch/strchr.S.  */
 157   IFUNC_IMPL (i, name, strchr,
 158               IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE2,
 159                               __strchr_sse2_bsf)
 160               IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE2, __strchr_sse2)
 161               IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_ia32))
 162
 163   /* Support sysdeps/i386/i686/multiarch/strcmp.S.  */
 164   IFUNC_IMPL (i, name, strcmp,
 165               IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSE4_2,
 166                               __strcmp_sse4_2)
 167               IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSSE3, __strcmp_ssse3)
 168               IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_ia32))
 169
 170   /* Support sysdeps/i386/i686/multiarch/strcpy.S.  */
 171   IFUNC_IMPL (i, name, strcpy,
 172               IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSSE3, __strcpy_ssse3)
 173               IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSE2, __strcpy_sse2)
 174               IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ia32))
 175
 176   /* Support sysdeps/i386/i686/multiarch/strcspn.S.  */
 177   IFUNC_IMPL (i, name, strcspn,
 178               IFUNC_IMPL_ADD (array, i, strcspn, HAS_SSE4_2,
 179                               __strcspn_sse42)
 180               IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_ia32))
 181
 182   /* Support sysdeps/i386/i686/multiarch/strncase.S.  */
 183   IFUNC_IMPL (i, name, strncasecmp,
 184               IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSE4_2,
 185                               __strncasecmp_sse4_2)
 186               IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSSE3,
 187                               __strncasecmp_ssse3)
 188               IFUNC_IMPL_ADD (array, i, strncasecmp, 1,
 189                               __strncasecmp_ia32))
 190
 191   /* Support sysdeps/i386/i686/multiarch/strncase_l.S.  */
 192   IFUNC_IMPL (i, name, strncasecmp_l,
 193               IFUNC_IMPL_ADD (array, i, strncasecmp_l,
 194                               HAS_SSE4_2, __strncasecmp_l_sse4_2)
 195               IFUNC_IMPL_ADD (array, i, strncasecmp_l,
 196                               HAS_SSSE3, __strncasecmp_l_ssse3)
 197               IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
 198                               __strncasecmp_l_ia32))
 199
 200   /* Support sysdeps/i386/i686/multiarch/strncat.S.  */
 201   IFUNC_IMPL (i, name, strncat,
 202               IFUNC_IMPL_ADD (array, i, strncat, HAS_SSSE3,
 203                               __strncat_ssse3)
 204               IFUNC_IMPL_ADD (array, i, strncat, HAS_SSE2, __strncat_sse2)
 205               IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ia32))
 206
 207   /* Support sysdeps/i386/i686/multiarch/strncpy.S.  */
 208   IFUNC_IMPL (i, name, strncpy,
 209               IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSSE3,
 210                               __strncpy_ssse3)
 211               IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSE2, __strncpy_sse2)
 212               IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_ia32))
 213
 214   /* Support sysdeps/i386/i686/multiarch/strnlen.S.  */
 215   IFUNC_IMPL (i, name, strnlen,
 216               IFUNC_IMPL_ADD (array, i, strnlen, HAS_SSE2, __strnlen_sse2)
 217               IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_ia32))
 218
 219   /* Support sysdeps/i386/i686/multiarch/strpbrk.S.  */
 220   IFUNC_IMPL (i, name, strpbrk,
 221               IFUNC_IMPL_ADD (array, i, strpbrk, HAS_SSE4_2,
 222                               __strpbrk_sse42)
 223               IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_ia32))
 224
 225   /* Support sysdeps/i386/i686/multiarch/strrchr.S.  */
 226   IFUNC_IMPL (i, name, strrchr,
 227               IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE2,
 228                               __strrchr_sse2_bsf)
 229               IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE2, __strrchr_sse2)
 230               IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_ia32))
 231
 232   /* Support sysdeps/i386/i686/multiarch/strspn.S.  */
 233   IFUNC_IMPL (i, name, strspn,
 234               IFUNC_IMPL_ADD (array, i, strspn, HAS_SSE4_2, __strspn_sse42)
 235               IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_ia32))
 236
 237   /* Support sysdeps/i386/i686/multiarch/wcschr.S.  */
 238   IFUNC_IMPL (i, name, wcschr,
 239               IFUNC_IMPL_ADD (array, i, wcschr, HAS_SSE2, __wcschr_sse2)
 240               IFUNC_IMPL_ADD (array, i, wcschr, 1, __wcschr_ia32))
 241
 242   /* Support sysdeps/i386/i686/multiarch/wcscmp.S.  */
 243   IFUNC_IMPL (i, name, wcscmp,
 244               IFUNC_IMPL_ADD (array, i, wcscmp, HAS_SSE2, __wcscmp_sse2)
 245               IFUNC_IMPL_ADD (array, i, wcscmp, 1, __wcscmp_ia32))
 246
 247   /* Support sysdeps/i386/i686/multiarch/wcscpy.S.  */
 248   IFUNC_IMPL (i, name, wcscpy,
 249               IFUNC_IMPL_ADD (array, i, wcscpy, HAS_SSSE3, __wcscpy_ssse3)
 250               IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_ia32))
 251
 252   /* Support sysdeps/i386/i686/multiarch/wcslen.S.  */
 253   IFUNC_IMPL (i, name, wcslen,
 254               IFUNC_IMPL_ADD (array, i, wcslen, HAS_SSE2, __wcslen_sse2)
 255               IFUNC_IMPL_ADD (array, i, wcslen, 1, __wcslen_ia32))
 256
 257   /* Support sysdeps/i386/i686/multiarch/wcsrchr.S.  */
 258   IFUNC_IMPL (i, name, wcsrchr,
 259               IFUNC_IMPL_ADD (array, i, wcsrchr, HAS_SSE2, __wcsrchr_sse2)
 260               IFUNC_IMPL_ADD (array, i, wcsrchr, 1, __wcsrchr_ia32))
 261
 262   /* Support sysdeps/i386/i686/multiarch/wmemcmp.S.  */
 263   IFUNC_IMPL (i, name, wmemcmp,
 264               IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSE4_2,
 265                               __wmemcmp_sse4_2)
 266               IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSSE3,
 267                               __wmemcmp_ssse3)
 268               IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_ia32))
 269
 270 #ifdef SHARED
 271   /* Support sysdeps/i386/i686/multiarch/memcpy_chk.S.  */
 272   IFUNC_IMPL (i, name, __memcpy_chk,
 273               IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
 274                               __memcpy_chk_ssse3_rep)
 275               IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
 276                               __memcpy_chk_ssse3)
 277               IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSE2,
 278                               __memcpy_chk_sse2_unaligned)
 279               IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
 280                               __memcpy_chk_ia32))
 281
 282   /* Support sysdeps/i386/i686/multiarch/memcpy.S.  */
 283   IFUNC_IMPL (i, name, memcpy,
 284               IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3,
 285                               __memcpy_ssse3_rep)
 286               IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3, __memcpy_ssse3)
 287               IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSE2,
 288                               __memcpy_sse2_unaligned)
 289               IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ia32))
 290
 291   /* Support sysdeps/i386/i686/multiarch/mempcpy_chk.S.  */
 292   IFUNC_IMPL (i, name, __mempcpy_chk,
 293               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
 294                               __mempcpy_chk_ssse3_rep)
 295               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
 296                               __mempcpy_chk_ssse3)
 297               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSE2,
 298                               __mempcpy_chk_sse2_unaligned)
 299               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
 300                               __mempcpy_chk_ia32))
 301
 302   /* Support sysdeps/i386/i686/multiarch/mempcpy.S.  */
 303   IFUNC_IMPL (i, name, mempcpy,
 304               IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
 305                               __mempcpy_ssse3_rep)
 306               IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
 307                               __mempcpy_ssse3)
 308               IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSE2,
 309                               __mempcpy_sse2_unaligned)
 310               IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ia32))
 311
 312   /* Support sysdeps/i386/i686/multiarch/strlen.S.  */
 313   IFUNC_IMPL (i, name, strlen,
 314               IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE2,
 315                               __strlen_sse2_bsf)
 316               IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE2, __strlen_sse2)
 317               IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_ia32))
 318
 319   /* Support sysdeps/i386/i686/multiarch/strncmp.S.  */
 320   IFUNC_IMPL (i, name, strncmp,
 321               IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSE4_2,
 322                               __strncmp_sse4_2)
 323               IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSSE3,
 324                               __strncmp_ssse3)
 325               IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_ia32))
 326 #endif
 327
 328   return i;
 329 }