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

   1 /* Enumerate available IFUNC implementations of a function.  i686 version.
   2    Copyright (C) 2012-2014 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       3
  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, 1, __bcopy_ia32))
  45
  46   /* Support sysdeps/i386/i686/multiarch/bzero.S.  */
  47   IFUNC_IMPL (i, name, bzero,
  48               IFUNC_IMPL_ADD (array, i, bzero, HAS_SSE2, __bzero_sse2_rep)
  49               IFUNC_IMPL_ADD (array, i, bzero, HAS_SSE2, __bzero_sse2)
  50               IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ia32))
  51
  52   /* Support sysdeps/i386/i686/multiarch/memchr.S.  */
  53   IFUNC_IMPL (i, name, memchr,
  54               IFUNC_IMPL_ADD (array, i, memchr, HAS_SSE2,
  55                               __memchr_sse2_bsf)
  56               IFUNC_IMPL_ADD (array, i, memchr, HAS_SSE2, __memchr_sse2)
  57               IFUNC_IMPL_ADD (array, i, memchr, 1, __memchr_ia32))
  58
  59   /* Support sysdeps/i386/i686/multiarch/memcmp.S.  */
  60   IFUNC_IMPL (i, name, memcmp,
  61               IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSE4_2,
  62                               __memcmp_sse4_2)
  63               IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSSE3, __memcmp_ssse3)
  64               IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ia32))
  65
  66   /* Support sysdeps/i386/i686/multiarch/memmove_chk.S.  */
  67   IFUNC_IMPL (i, name, __memmove_chk,
  68               IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
  69                               __memmove_chk_ssse3_rep)
  70               IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
  71                               __memmove_chk_ssse3)
  72               IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
  73                               __memmove_chk_ia32))
  74
  75   /* Support sysdeps/i386/i686/multiarch/memmove.S.  */
  76   IFUNC_IMPL (i, name, memmove,
  77               IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
  78                               __memmove_ssse3_rep)
  79               IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
  80                               __memmove_ssse3)
  81               IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ia32))
  82
  83   /* Support sysdeps/i386/i686/multiarch/memrchr.S.  */
  84   IFUNC_IMPL (i, name, memrchr,
  85               IFUNC_IMPL_ADD (array, i, memrchr, HAS_SSE2,
  86                               __memrchr_sse2_bsf)
  87               IFUNC_IMPL_ADD (array, i, memrchr, HAS_SSE2, __memrchr_sse2)
  88               IFUNC_IMPL_ADD (array, i, memrchr, 1, __memrchr_ia32))
  89
  90   /* Support sysdeps/i386/i686/multiarch/memset_chk.S.  */
  91   IFUNC_IMPL (i, name, __memset_chk,
  92               IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_SSE2,
  93                               __memset_chk_sse2_rep)
  94               IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_SSE2,
  95                               __memset_chk_sse2)
  96               IFUNC_IMPL_ADD (array, i, __memset_chk, 1,
  97                               __memset_chk_ia32))
  98
  99   /* Support sysdeps/i386/i686/multiarch/memset.S.  */
 100   IFUNC_IMPL (i, name, memset,
 101               IFUNC_IMPL_ADD (array, i, memset, HAS_SSE2,
 102                               __memset_sse2_rep)
 103               IFUNC_IMPL_ADD (array, i, memset, HAS_SSE2, __memset_sse2)
 104               IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ia32))
 105
 106   /* Support sysdeps/i386/i686/multiarch/rawmemchr.S.  */
 107   IFUNC_IMPL (i, name, rawmemchr,
 108               IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE2,
 109                               __rawmemchr_sse2_bsf)
 110               IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE2,
 111                               __rawmemchr_sse2)
 112               IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_ia32))
 113
 114   /* Support sysdeps/i386/i686/multiarch/stpncpy.S.  */
 115   IFUNC_IMPL (i, name, stpncpy,
 116               IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSSE3,
 117                               __stpncpy_ssse3)
 118               IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSE2, __stpncpy_sse2)
 119               IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_ia32))
 120
 121   /* Support sysdeps/i386/i686/multiarch/stpcpy.S.  */
 122   IFUNC_IMPL (i, name, stpcpy,
 123               IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSSE3, __stpcpy_ssse3)
 124               IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSE2, __stpcpy_sse2)
 125               IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_ia32))
 126
 127   /* Support sysdeps/i386/i686/multiarch/strcasecmp.S.  */
 128   IFUNC_IMPL (i, name, strcasecmp,
 129               IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSE4_2,
 130                               __strcasecmp_sse4_2)
 131               IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSSE3,
 132                               __strcasecmp_ssse3)
 133               IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ia32))
 134
 135   /* Support sysdeps/i386/i686/multiarch/strcasecmp_l.S.  */
 136   IFUNC_IMPL (i, name, strcasecmp_l,
 137               IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSE4_2,
 138                               __strcasecmp_l_sse4_2)
 139               IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSSE3,
 140                               __strcasecmp_l_ssse3)
 141               IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
 142                               __strcasecmp_l_ia32))
 143
 144   /* Support sysdeps/i386/i686/multiarch/strcat.S.  */
 145   IFUNC_IMPL (i, name, strcat,
 146               IFUNC_IMPL_ADD (array, i, strcat, HAS_SSSE3, __strcat_ssse3)
 147               IFUNC_IMPL_ADD (array, i, strcat, HAS_SSE2, __strcat_sse2)
 148               IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_ia32))
 149
 150   /* Support sysdeps/i386/i686/multiarch/strchr.S.  */
 151   IFUNC_IMPL (i, name, strchr,
 152               IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE2,
 153                               __strchr_sse2_bsf)
 154               IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE2, __strchr_sse2)
 155               IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_ia32))
 156
 157   /* Support sysdeps/i386/i686/multiarch/strcmp.S.  */
 158   IFUNC_IMPL (i, name, strcmp,
 159               IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSE4_2,
 160                               __strcmp_sse4_2)
 161               IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSSE3, __strcmp_ssse3)
 162               IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_ia32))
 163
 164   /* Support sysdeps/i386/i686/multiarch/strcpy.S.  */
 165   IFUNC_IMPL (i, name, strcpy,
 166               IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSSE3, __strcpy_ssse3)
 167               IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSE2, __strcpy_sse2)
 168               IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ia32))
 169
 170   /* Support sysdeps/i386/i686/multiarch/strcspn.S.  */
 171   IFUNC_IMPL (i, name, strcspn,
 172               IFUNC_IMPL_ADD (array, i, strcspn, HAS_SSE4_2,
 173                               __strcspn_sse42)
 174               IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_ia32))
 175
 176   /* Support sysdeps/i386/i686/multiarch/strncase.S.  */
 177   IFUNC_IMPL (i, name, strncasecmp,
 178               IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSE4_2,
 179                               __strncasecmp_sse4_2)
 180               IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSSE3,
 181                               __strncasecmp_ssse3)
 182               IFUNC_IMPL_ADD (array, i, strncasecmp, 1,
 183                               __strncasecmp_ia32))
 184
 185   /* Support sysdeps/i386/i686/multiarch/strncase_l.S.  */
 186   IFUNC_IMPL (i, name, strncasecmp_l,
 187               IFUNC_IMPL_ADD (array, i, strncasecmp_l,
 188                               HAS_SSE4_2, __strncasecmp_l_sse4_2)
 189               IFUNC_IMPL_ADD (array, i, strncasecmp_l,
 190                               HAS_SSSE3, __strncasecmp_l_ssse3)
 191               IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
 192                               __strncasecmp_l_ia32))
 193
 194   /* Support sysdeps/i386/i686/multiarch/strncat.S.  */
 195   IFUNC_IMPL (i, name, strncat,
 196               IFUNC_IMPL_ADD (array, i, strncat, HAS_SSSE3,
 197                               __strncat_ssse3)
 198               IFUNC_IMPL_ADD (array, i, strncat, HAS_SSE2, __strncat_sse2)
 199               IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ia32))
 200
 201   /* Support sysdeps/i386/i686/multiarch/strncpy.S.  */
 202   IFUNC_IMPL (i, name, strncpy,
 203               IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSSE3,
 204                               __strncpy_ssse3)
 205               IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSE2, __strncpy_sse2)
 206               IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_ia32))
 207
 208   /* Support sysdeps/i386/i686/multiarch/strnlen.S.  */
 209   IFUNC_IMPL (i, name, strnlen,
 210               IFUNC_IMPL_ADD (array, i, strnlen, HAS_SSE2, __strnlen_sse2)
 211               IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_ia32))
 212
 213   /* Support sysdeps/i386/i686/multiarch/strpbrk.S.  */
 214   IFUNC_IMPL (i, name, strpbrk,
 215               IFUNC_IMPL_ADD (array, i, strpbrk, HAS_SSE4_2,
 216                               __strpbrk_sse42)
 217               IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_ia32))
 218
 219   /* Support sysdeps/i386/i686/multiarch/strrchr.S.  */
 220   IFUNC_IMPL (i, name, strrchr,
 221               IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE2,
 222                               __strrchr_sse2_bsf)
 223               IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE2, __strrchr_sse2)
 224               IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_ia32))
 225
 226   /* Support sysdeps/i386/i686/multiarch/strspn.S.  */
 227   IFUNC_IMPL (i, name, strspn,
 228               IFUNC_IMPL_ADD (array, i, strspn, HAS_SSE4_2, __strspn_sse42)
 229               IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_ia32))
 230
 231   /* Support sysdeps/i386/i686/multiarch/wcschr.S.  */
 232   IFUNC_IMPL (i, name, wcschr,
 233               IFUNC_IMPL_ADD (array, i, wcschr, HAS_SSE2, __wcschr_sse2)
 234               IFUNC_IMPL_ADD (array, i, wcschr, 1, __wcschr_ia32))
 235
 236   /* Support sysdeps/i386/i686/multiarch/wcscmp.S.  */
 237   IFUNC_IMPL (i, name, wcscmp,
 238               IFUNC_IMPL_ADD (array, i, wcscmp, HAS_SSE2, __wcscmp_sse2)
 239               IFUNC_IMPL_ADD (array, i, wcscmp, 1, __wcscmp_ia32))
 240
 241   /* Support sysdeps/i386/i686/multiarch/wcscpy.S.  */
 242   IFUNC_IMPL (i, name, wcscpy,
 243               IFUNC_IMPL_ADD (array, i, wcscpy, HAS_SSSE3, __wcscpy_ssse3)
 244               IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_ia32))
 245
 246   /* Support sysdeps/i386/i686/multiarch/wcslen.S.  */
 247   IFUNC_IMPL (i, name, wcslen,
 248               IFUNC_IMPL_ADD (array, i, wcslen, HAS_SSE2, __wcslen_sse2)
 249               IFUNC_IMPL_ADD (array, i, wcslen, 1, __wcslen_ia32))
 250
 251   /* Support sysdeps/i386/i686/multiarch/wcsrchr.S.  */
 252   IFUNC_IMPL (i, name, wcsrchr,
 253               IFUNC_IMPL_ADD (array, i, wcsrchr, HAS_SSE2, __wcsrchr_sse2)
 254               IFUNC_IMPL_ADD (array, i, wcsrchr, 1, __wcsrchr_ia32))
 255
 256   /* Support sysdeps/i386/i686/multiarch/wmemcmp.S.  */
 257   IFUNC_IMPL (i, name, wmemcmp,
 258               IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSE4_2,
 259                               __wmemcmp_sse4_2)
 260               IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSSE3,
 261                               __wmemcmp_ssse3)
 262               IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_ia32))
 263
 264 #ifdef SHARED
 265   /* Support sysdeps/i386/i686/multiarch/memcpy_chk.S.  */
 266   IFUNC_IMPL (i, name, __memcpy_chk,
 267               IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
 268                               __memcpy_chk_ssse3_rep)
 269               IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
 270                               __memcpy_chk_ssse3)
 271               IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
 272                               __memcpy_chk_ia32))
 273
 274   /* Support sysdeps/i386/i686/multiarch/memcpy.S.  */
 275   IFUNC_IMPL (i, name, memcpy,
 276               IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3,
 277                               __memcpy_ssse3_rep)
 278               IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3, __memcpy_ssse3)
 279               IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ia32))
 280
 281   /* Support sysdeps/i386/i686/multiarch/mempcpy_chk.S.  */
 282   IFUNC_IMPL (i, name, __mempcpy_chk,
 283               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
 284                               __mempcpy_chk_ssse3_rep)
 285               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
 286                               __mempcpy_chk_ssse3)
 287               IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
 288                               __mempcpy_chk_ia32))
 289
 290   /* Support sysdeps/i386/i686/multiarch/mempcpy.S.  */
 291   IFUNC_IMPL (i, name, mempcpy,
 292               IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
 293                               __mempcpy_ssse3_rep)
 294               IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
 295                               __mempcpy_ssse3)
 296               IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ia32))
 297
 298   /* Support sysdeps/i386/i686/multiarch/strlen.S.  */
 299   IFUNC_IMPL (i, name, strlen,
 300               IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE2,
 301                               __strlen_sse2_bsf)
 302               IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE2, __strlen_sse2)
 303               IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_ia32))
 304
 305   /* Support sysdeps/i386/i686/multiarch/strncmp.S.  */
 306   IFUNC_IMPL (i, name, strncmp,
 307               IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSE4_2,
 308                               __strncmp_sse4_2)
 309               IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSSE3,
 310                               __strncmp_ssse3)
 311               IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_ia32))
 312 #endif
 313
 314   return i;
 315 }