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284 lines
11 KiB
C
284 lines
11 KiB
C
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/* Enumerate available IFUNC implementations of a function. x86-64 version.
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Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <string.h>
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#include <wchar.h>
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#include <ifunc-impl-list.h>
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#include "init-arch.h"
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/* Maximum number of IFUNC implementations. */
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#define MAX_IFUNC 4
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/* Fill ARRAY of MAX elements with IFUNC implementations for function
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NAME supported on target machine and return the number of valid
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entries. */
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size_t
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__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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size_t max)
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{
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assert (max >= MAX_IFUNC);
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size_t i = 0;
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/* Support sysdeps/x86_64/multiarch/memcmp.S. */
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IFUNC_IMPL (i, name, memcmp,
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IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSE4_1,
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__memcmp_sse4_1)
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IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSSE3, __memcmp_ssse3)
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IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_sse2))
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/* Support sysdeps/x86_64/multiarch/memmove_chk.S. */
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IFUNC_IMPL (i, name, __memmove_chk,
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IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
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__memmove_chk_ssse3_back)
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IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3,
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__memmove_chk_ssse3)
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IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
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__memmove_chk_sse2))
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/* Support sysdeps/x86_64/multiarch/memmove.S. */
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IFUNC_IMPL (i, name, memmove,
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IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
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__memmove_ssse3_back)
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IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3,
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__memmove_ssse3)
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IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_sse2))
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/* Support sysdeps/x86_64/multiarch/memset_chk.S. */
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IFUNC_IMPL (i, name, __memset_chk,
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IFUNC_IMPL_ADD (array, i, __memset_chk, 1, __memset_chk_sse2)
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IFUNC_IMPL_ADD (array, i, __memset_chk, 1,
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__memset_chk_x86_64))
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/* Support sysdeps/x86_64/multiarch/memset.S. */
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IFUNC_IMPL (i, name, memset,
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IFUNC_IMPL_ADD (array, i, memset, 1, __memset_sse2)
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IFUNC_IMPL_ADD (array, i, memset, 1, __memset_x86_64))
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/* Support sysdeps/x86_64/multiarch/rawmemchr.S. */
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IFUNC_IMPL (i, name, rawmemchr,
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IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE4_2,
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__rawmemchr_sse42)
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IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_sse2))
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/* Support sysdeps/x86_64/multiarch/stpncpy.S. */
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IFUNC_IMPL (i, name, stpncpy,
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IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSSE3,
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__stpncpy_ssse3)
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IFUNC_IMPL_ADD (array, i, stpncpy, 1,
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__stpncpy_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_sse2))
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/* Support sysdeps/x86_64/multiarch/stpcpy.S. */
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IFUNC_IMPL (i, name, stpcpy,
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IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSSE3, __stpcpy_ssse3)
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IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_sse2))
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/* Support sysdeps/x86_64/multiarch/strcasecmp_l.S. */
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IFUNC_IMPL (i, name, strcasecmp,
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IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_AVX,
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__strcasecmp_avx)
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IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSE4_2,
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__strcasecmp_sse42)
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IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSSE3,
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__strcasecmp_ssse3)
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IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_sse2))
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/* Support sysdeps/x86_64/multiarch/strcasecmp_l.S. */
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IFUNC_IMPL (i, name, strcasecmp_l,
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IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_AVX,
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__strcasecmp_l_avx)
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IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSE4_2,
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__strcasecmp_l_sse42)
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IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSSE3,
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__strcasecmp_l_ssse3)
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IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
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__strcasecmp_l_sse2))
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/* Support sysdeps/x86_64/multiarch/strcasestr.c. */
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IFUNC_IMPL (i, name, strcasestr,
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IFUNC_IMPL_ADD (array, i, strcasestr, HAS_SSE4_2,
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__strcasestr_sse42)
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IFUNC_IMPL_ADD (array, i, strcasestr, 1, __strcasestr_sse2))
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/* Support sysdeps/x86_64/multiarch/strcat.S. */
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IFUNC_IMPL (i, name, strcat,
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IFUNC_IMPL_ADD (array, i, strcat, HAS_SSSE3, __strcat_ssse3)
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IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_sse2))
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/* Support sysdeps/x86_64/multiarch/strchr.S. */
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IFUNC_IMPL (i, name, strchr,
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IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE4_2, __strchr_sse42)
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IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_sse2_no_bsf)
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IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_sse2))
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/* Support sysdeps/x86_64/multiarch/strcmp.S. */
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IFUNC_IMPL (i, name, strcmp,
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IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSE4_2, __strcmp_sse42)
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IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSSE3, __strcmp_ssse3)
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IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_sse2))
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/* Support sysdeps/x86_64/multiarch/strcpy.S. */
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IFUNC_IMPL (i, name, strcpy,
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IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSSE3, __strcpy_ssse3)
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IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_sse2))
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/* Support sysdeps/x86_64/multiarch/strcspn.S. */
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IFUNC_IMPL (i, name, strcspn,
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IFUNC_IMPL_ADD (array, i, strcspn, HAS_SSE4_2,
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__strcspn_sse42)
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IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_sse2))
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/* Support sysdeps/x86_64/multiarch/strncase_l.S. */
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IFUNC_IMPL (i, name, strncasecmp,
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IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_AVX,
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__strncasecmp_avx)
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IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSE4_2,
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__strncasecmp_sse42)
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IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSSE3,
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__strncasecmp_ssse3)
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IFUNC_IMPL_ADD (array, i, strncasecmp, 1,
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__strncasecmp_sse2))
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/* Support sysdeps/x86_64/multiarch/strncase_l.S. */
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IFUNC_IMPL (i, name, strncasecmp_l,
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IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_AVX,
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__strncasecmp_l_avx)
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IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_SSE4_2,
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__strncasecmp_l_sse42)
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IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_SSSE3,
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__strncasecmp_l_ssse3)
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IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
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__strncasecmp_l_sse2))
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/* Support sysdeps/x86_64/multiarch/strncat.S. */
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IFUNC_IMPL (i, name, strncat,
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IFUNC_IMPL_ADD (array, i, strncat, HAS_SSSE3,
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__strncat_ssse3)
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IFUNC_IMPL_ADD (array, i, strncat, 1,
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__strncat_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_sse2))
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/* Support sysdeps/x86_64/multiarch/strncpy.S. */
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IFUNC_IMPL (i, name, strncpy,
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IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSSE3,
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__strncpy_ssse3)
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IFUNC_IMPL_ADD (array, i, strncpy, 1,
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__strncpy_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_sse2))
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/* Support sysdeps/x86_64/multiarch/strnlen.S. */
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IFUNC_IMPL (i, name, strnlen,
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IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_sse2_no_bsf)
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IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_sse2))
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/* Support sysdeps/x86_64/multiarch/strpbrk.S. */
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IFUNC_IMPL (i, name, strpbrk,
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IFUNC_IMPL_ADD (array, i, strpbrk, HAS_SSE4_2,
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__strpbrk_sse42)
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IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_sse2))
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/* Support sysdeps/x86_64/multiarch/strrchr.S. */
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IFUNC_IMPL (i, name, strrchr,
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IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE4_2,
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__strrchr_sse42)
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IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_sse2_no_bsf)
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IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_sse2))
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/* Support sysdeps/x86_64/multiarch/strspn.S. */
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IFUNC_IMPL (i, name, strspn,
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IFUNC_IMPL_ADD (array, i, strspn, HAS_SSE4_2, __strspn_sse42)
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IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_sse2))
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/* Support sysdeps/x86_64/multiarch/strstr-c.c. */
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IFUNC_IMPL (i, name, strstr,
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IFUNC_IMPL_ADD (array, i, strstr, HAS_SSE4_2, __strstr_sse42)
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IFUNC_IMPL_ADD (array, i, strstr, 1, __strstr_sse2))
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/* Support sysdeps/x86_64/multiarch/wcscpy.S. */
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IFUNC_IMPL (i, name, wcscpy,
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IFUNC_IMPL_ADD (array, i, wcscpy, HAS_SSSE3, __wcscpy_ssse3)
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IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_sse2))
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/* Support sysdeps/x86_64/multiarch/wmemcmp.S. */
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IFUNC_IMPL (i, name, wmemcmp,
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IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSE4_1,
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__wmemcmp_sse4_1)
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IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSSE3,
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__wmemcmp_ssse3)
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IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_sse2))
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#ifdef SHARED
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/* Support sysdeps/x86_64/multiarch/memcpy_chk.S. */
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IFUNC_IMPL (i, name, __memcpy_chk,
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IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
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__memcpy_chk_ssse3_back)
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IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3,
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__memcpy_chk_ssse3)
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IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
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__memcpy_chk_sse2))
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/* Support sysdeps/x86_64/multiarch/memcpy.S. */
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IFUNC_IMPL (i, name, memcpy,
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IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3,
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__memcpy_ssse3_back)
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IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3, __memcpy_ssse3)
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IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2))
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/* Support sysdeps/x86_64/multiarch/mempcpy_chk.S. */
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IFUNC_IMPL (i, name, __mempcpy_chk,
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IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
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__mempcpy_chk_ssse3_back)
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IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3,
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__mempcpy_chk_ssse3)
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IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
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__mempcpy_chk_sse2))
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/* Support sysdeps/x86_64/multiarch/mempcpy.S. */
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IFUNC_IMPL (i, name, mempcpy,
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IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
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__mempcpy_ssse3_back)
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IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3,
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__mempcpy_ssse3)
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IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_sse2))
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/* Support sysdeps/x86_64/multiarch/strlen.S. */
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IFUNC_IMPL (i, name, strlen,
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IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE4_2, __strlen_sse42)
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IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2_pminub)
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IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2_no_bsf)
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IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2)
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IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2))
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/* Support sysdeps/x86_64/multiarch/strncmp.S. */
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IFUNC_IMPL (i, name, strncmp,
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IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSE4_2,
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__strncmp_sse42)
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IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSSE3,
|
||
|
|
__strncmp_ssse3)
|
||
|
|
IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_sse2))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return i;
|
||
|
|
}
|