sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c

   1 /* Enumerate available IFUNC implementations of a function.  PowerPC32 version.
   2    Copyright (C) 2013-2023 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    <https://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 size_t
  26 __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
  27                         size_t max)
  28 {
  29   size_t i = max;
  30
  31   unsigned long int hwcap = GLRO(dl_hwcap);
  32   /* hwcap contains only the latest supported ISA, the code checks which is
  33      and fills the previous supported ones.  */
  34   if (hwcap & PPC_FEATURE_ARCH_2_06)
  35     hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS |
  36              PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
  37   else if (hwcap & PPC_FEATURE_ARCH_2_05)
  38     hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
  39   else if (hwcap & PPC_FEATURE_POWER5_PLUS)
  40     hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
  41   else if (hwcap & PPC_FEATURE_POWER5)
  42     hwcap |= PPC_FEATURE_POWER4;
  43
  44 #ifdef SHARED
  45   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c.  */
  46   IFUNC_IMPL (i, name, memcpy,
  47               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX,
  48                               __memcpy_power7)
  49               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06,
  50                               __memcpy_a2)
  51               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05,
  52                               __memcpy_power6)
  53               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE,
  54                               __memcpy_cell)
  55               IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
  56
  57   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c.  */
  58   IFUNC_IMPL (i, name, memmove,
  59               IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_HAS_VSX,
  60                               __memmove_power7)
  61               IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ppc))
  62
  63   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memset.c.  */
  64   IFUNC_IMPL (i, name, memset,
  65               IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
  66                               __memset_power7)
  67               IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
  68                               __memset_power6)
  69               IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
  70
  71   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c.  */
  72   IFUNC_IMPL (i, name, strlen,
  73               IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
  74                               __strlen_power7)
  75               IFUNC_IMPL_ADD (array, i, strlen, 1,
  76                               __strlen_ppc))
  77
  78   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c.  */
  79   IFUNC_IMPL (i, name, strnlen,
  80               IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX,
  81                               __strnlen_power7)
  82               IFUNC_IMPL_ADD (array, i, strnlen, 1,
  83                               __strnlen_ppc))
  84
  85   /* Support sysdeps/powerpc/powerpc32/multiarch/strncmp.c.  */
  86   IFUNC_IMPL (i, name, strncmp,
  87               IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX,
  88                               __strncmp_power7)
  89               IFUNC_IMPL_ADD (array, i, strncmp, 1,
  90                               __strncmp_ppc))
  91 #endif
  92
  93   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c.  */
  94   IFUNC_IMPL (i, name, memcmp,
  95               IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
  96                               __memcmp_power7)
  97               IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
  98
  99   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c.  */
 100   IFUNC_IMPL (i, name, mempcpy,
 101               IFUNC_IMPL_ADD (array, i, mempcpy,
 102                               hwcap & PPC_FEATURE_HAS_VSX,
 103                               __mempcpy_power7)
 104               IFUNC_IMPL_ADD (array, i, mempcpy, 1,
 105                               __mempcpy_ppc))
 106
 107   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c.  */
 108   IFUNC_IMPL (i, name, memchr,
 109               IFUNC_IMPL_ADD (array, i, memchr,
 110                               hwcap & PPC_FEATURE_HAS_VSX,
 111                               __memchr_power7)
 112               IFUNC_IMPL_ADD (array, i, memchr, 1,
 113                               __memchr_ppc))
 114
 115   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c.  */
 116   IFUNC_IMPL (i, name, memrchr,
 117               IFUNC_IMPL_ADD (array, i, memrchr,
 118                               hwcap & PPC_FEATURE_HAS_VSX,
 119                               __memrchr_power7)
 120               IFUNC_IMPL_ADD (array, i, memrchr, 1,
 121                               __memrchr_ppc))
 122
 123   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c.  */
 124   IFUNC_IMPL (i, name, rawmemchr,
 125               IFUNC_IMPL_ADD (array, i, rawmemchr,
 126                               hwcap & PPC_FEATURE_HAS_VSX,
 127                               __rawmemchr_power7)
 128               IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
 129                               __rawmemchr_ppc))
 130
 131   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp.c.  */
 132   IFUNC_IMPL (i, name, strcasecmp,
 133               IFUNC_IMPL_ADD (array, i, strcasecmp,
 134                               hwcap & PPC_FEATURE_HAS_VSX,
 135                               __strcasecmp_power7)
 136               IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc))
 137
 138   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp_l.c.  */
 139   IFUNC_IMPL (i, name, strcasecmp_l,
 140               IFUNC_IMPL_ADD (array, i, strcasecmp_l,
 141                               hwcap & PPC_FEATURE_HAS_VSX,
 142                               __strcasecmp_l_power7)
 143               IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
 144                               __strcasecmp_l_ppc))
 145
 146   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strncase.c.  */
 147   IFUNC_IMPL (i, name, strncasecmp,
 148               IFUNC_IMPL_ADD (array, i, strncasecmp,
 149                               hwcap & PPC_FEATURE_HAS_VSX,
 150                               __strncasecmp_power7)
 151               IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))
 152
 153   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strncase_l.c.  */
 154   IFUNC_IMPL (i, name, strncasecmp_l,
 155               IFUNC_IMPL_ADD (array, i, strncasecmp_l,
 156                               hwcap & PPC_FEATURE_HAS_VSX,
 157                               __strncasecmp_l_power7)
 158               IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
 159                               __strncasecmp_l_ppc))
 160
 161   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c.  */
 162   IFUNC_IMPL (i, name, strchrnul,
 163               IFUNC_IMPL_ADD (array, i, strchrnul,
 164                               hwcap & PPC_FEATURE_HAS_VSX,
 165                               __strchrnul_power7)
 166               IFUNC_IMPL_ADD (array, i, strchrnul, 1,
 167                               __strchrnul_ppc))
 168
 169   /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c.  */
 170   IFUNC_IMPL (i, name, strchr,
 171               IFUNC_IMPL_ADD (array, i, strchr,
 172                               hwcap & PPC_FEATURE_HAS_VSX,
 173                               __strchr_power7)
 174               IFUNC_IMPL_ADD (array, i, strchr, 1,
 175                               __strchr_ppc))
 176
 177   return 0;
 178 }