/* Enumerate available IFUNC implementations of a function. i686 version. Copyright (C) 2012-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include #include #include "init-arch.h" /* Fill ARRAY of MAX elements with IFUNC implementations for function NAME and return the number of valid entries. */ size_t __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, size_t max) { size_t i = max; /* Support sysdeps/i386/i686/multiarch/memchr.S. */ IFUNC_IMPL (i, name, memchr, IFUNC_IMPL_ADD (array, i, memchr, CPU_FEATURE_USABLE (SSE2), __memchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, memchr, CPU_FEATURE_USABLE (SSE2), __memchr_sse2) IFUNC_IMPL_ADD (array, i, memchr, 1, __memchr_ia32)) /* Support sysdeps/i386/i686/multiarch/memcmp.S. */ IFUNC_IMPL (i, name, memcmp, IFUNC_IMPL_ADD (array, i, memcmp, CPU_FEATURE_USABLE (SSE4_2), __memcmp_sse4_2) IFUNC_IMPL_ADD (array, i, memcmp, CPU_FEATURE_USABLE (SSSE3), __memcmp_ssse3) IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ia32)) #ifdef SHARED /* Support sysdeps/i386/i686/multiarch/memmove_chk.S. */ IFUNC_IMPL (i, name, __memmove_chk, IFUNC_IMPL_ADD (array, i, __memmove_chk, CPU_FEATURE_USABLE (SSSE3), __memmove_chk_ssse3_rep) IFUNC_IMPL_ADD (array, i, __memmove_chk, CPU_FEATURE_USABLE (SSSE3), __memmove_chk_ssse3) IFUNC_IMPL_ADD (array, i, __memmove_chk, CPU_FEATURE_USABLE (SSE2), __memmove_chk_sse2_unaligned) IFUNC_IMPL_ADD (array, i, __memmove_chk, 1, __memmove_chk_ia32)) /* Support sysdeps/i386/i686/multiarch/memmove.S. */ IFUNC_IMPL (i, name, memmove, IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSSE3), __memmove_ssse3_rep) IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSSE3), __memmove_ssse3) IFUNC_IMPL_ADD (array, i, memmove, CPU_FEATURE_USABLE (SSE2), __memmove_sse2_unaligned) IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ia32)) #endif /* Support sysdeps/i386/i686/multiarch/memrchr.S. */ IFUNC_IMPL (i, name, memrchr, IFUNC_IMPL_ADD (array, i, memrchr, CPU_FEATURE_USABLE (SSE2), __memrchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, memrchr, CPU_FEATURE_USABLE (SSE2), __memrchr_sse2) IFUNC_IMPL_ADD (array, i, memrchr, 1, __memrchr_ia32)) #ifdef SHARED /* Support sysdeps/i386/i686/multiarch/memset_chk.S. */ IFUNC_IMPL (i, name, __memset_chk, IFUNC_IMPL_ADD (array, i, __memset_chk, CPU_FEATURE_USABLE (SSE2), __memset_chk_sse2_rep) IFUNC_IMPL_ADD (array, i, __memset_chk, CPU_FEATURE_USABLE (SSE2), __memset_chk_sse2) IFUNC_IMPL_ADD (array, i, __memset_chk, 1, __memset_chk_ia32)) #endif /* Support sysdeps/i386/i686/multiarch/memset.S. */ IFUNC_IMPL (i, name, memset, IFUNC_IMPL_ADD (array, i, memset, CPU_FEATURE_USABLE (SSE2), __memset_sse2_rep) IFUNC_IMPL_ADD (array, i, memset, CPU_FEATURE_USABLE (SSE2), __memset_sse2) IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ia32)) /* Support sysdeps/i386/i686/multiarch/rawmemchr.S. */ IFUNC_IMPL (i, name, rawmemchr, IFUNC_IMPL_ADD (array, i, rawmemchr, CPU_FEATURE_USABLE (SSE2), __rawmemchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, rawmemchr, CPU_FEATURE_USABLE (SSE2), __rawmemchr_sse2) IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_ia32)) /* Support sysdeps/i386/i686/multiarch/stpncpy.S. */ IFUNC_IMPL (i, name, stpncpy, IFUNC_IMPL_ADD (array, i, stpncpy, CPU_FEATURE_USABLE (SSSE3), __stpncpy_ssse3) IFUNC_IMPL_ADD (array, i, stpncpy, CPU_FEATURE_USABLE (SSE2), __stpncpy_sse2) IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_ia32)) /* Support sysdeps/i386/i686/multiarch/stpcpy.S. */ IFUNC_IMPL (i, name, stpcpy, IFUNC_IMPL_ADD (array, i, stpcpy, CPU_FEATURE_USABLE (SSSE3), __stpcpy_ssse3) IFUNC_IMPL_ADD (array, i, stpcpy, CPU_FEATURE_USABLE (SSE2), __stpcpy_sse2) IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_ia32)) /* Support sysdeps/i386/i686/multiarch/strcasecmp.S. */ IFUNC_IMPL (i, name, strcasecmp, IFUNC_IMPL_ADD (array, i, strcasecmp, CPU_FEATURE_USABLE (SSE4_2), __strcasecmp_sse4_2) IFUNC_IMPL_ADD (array, i, strcasecmp, CPU_FEATURE_USABLE (SSSE3), __strcasecmp_ssse3) IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ia32)) /* Support sysdeps/i386/i686/multiarch/strcasecmp_l.S. */ IFUNC_IMPL (i, name, strcasecmp_l, IFUNC_IMPL_ADD (array, i, strcasecmp_l, CPU_FEATURE_USABLE (SSE4_2), __strcasecmp_l_sse4_2) IFUNC_IMPL_ADD (array, i, strcasecmp_l, CPU_FEATURE_USABLE (SSSE3), __strcasecmp_l_ssse3) IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1, __strcasecmp_l_ia32)) /* Support sysdeps/i386/i686/multiarch/strcat.S. */ IFUNC_IMPL (i, name, strcat, IFUNC_IMPL_ADD (array, i, strcat, CPU_FEATURE_USABLE (SSSE3), __strcat_ssse3) IFUNC_IMPL_ADD (array, i, strcat, CPU_FEATURE_USABLE (SSE2), __strcat_sse2) IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_ia32)) /* Support sysdeps/i386/i686/multiarch/strchr.S. */ IFUNC_IMPL (i, name, strchr, IFUNC_IMPL_ADD (array, i, strchr, CPU_FEATURE_USABLE (SSE2), __strchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, strchr, CPU_FEATURE_USABLE (SSE2), __strchr_sse2) IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_ia32)) /* Support sysdeps/i386/i686/multiarch/strcmp.S. */ IFUNC_IMPL (i, name, strcmp, IFUNC_IMPL_ADD (array, i, strcmp, CPU_FEATURE_USABLE (SSE4_2), __strcmp_sse4_2) IFUNC_IMPL_ADD (array, i, strcmp, CPU_FEATURE_USABLE (SSSE3), __strcmp_ssse3) IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_ia32)) /* Support sysdeps/i386/i686/multiarch/strcpy.S. */ IFUNC_IMPL (i, name, strcpy, IFUNC_IMPL_ADD (array, i, strcpy, CPU_FEATURE_USABLE (SSSE3), __strcpy_ssse3) IFUNC_IMPL_ADD (array, i, strcpy, CPU_FEATURE_USABLE (SSE2), __strcpy_sse2) IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ia32)) /* Support sysdeps/i386/i686/multiarch/strcspn.S. */ IFUNC_IMPL (i, name, strcspn, IFUNC_IMPL_ADD (array, i, strcspn, CPU_FEATURE_USABLE (SSE4_2), __strcspn_sse42) IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_ia32)) /* Support sysdeps/i386/i686/multiarch/strncase.S. */ IFUNC_IMPL (i, name, strncasecmp, IFUNC_IMPL_ADD (array, i, strncasecmp, CPU_FEATURE_USABLE (SSE4_2), __strncasecmp_sse4_2) IFUNC_IMPL_ADD (array, i, strncasecmp, CPU_FEATURE_USABLE (SSSE3), __strncasecmp_ssse3) IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ia32)) /* Support sysdeps/i386/i686/multiarch/strncase_l.S. */ IFUNC_IMPL (i, name, strncasecmp_l, IFUNC_IMPL_ADD (array, i, strncasecmp_l, CPU_FEATURE_USABLE (SSE4_2), __strncasecmp_l_sse4_2) IFUNC_IMPL_ADD (array, i, strncasecmp_l, CPU_FEATURE_USABLE (SSSE3), __strncasecmp_l_ssse3) IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1, __strncasecmp_l_ia32)) /* Support sysdeps/i386/i686/multiarch/strncat.S. */ IFUNC_IMPL (i, name, strncat, IFUNC_IMPL_ADD (array, i, strncat, CPU_FEATURE_USABLE (SSSE3), __strncat_ssse3) IFUNC_IMPL_ADD (array, i, strncat, CPU_FEATURE_USABLE (SSE2), __strncat_sse2) IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_ia32)) /* Support sysdeps/i386/i686/multiarch/strncpy.S. */ IFUNC_IMPL (i, name, strncpy, IFUNC_IMPL_ADD (array, i, strncpy, CPU_FEATURE_USABLE (SSSE3), __strncpy_ssse3) IFUNC_IMPL_ADD (array, i, strncpy, CPU_FEATURE_USABLE (SSE2), __strncpy_sse2) IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_ia32)) /* Support sysdeps/i386/i686/multiarch/strnlen.S. */ IFUNC_IMPL (i, name, strnlen, IFUNC_IMPL_ADD (array, i, strnlen, CPU_FEATURE_USABLE (SSE2), __strnlen_sse2) IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_ia32)) /* Support sysdeps/i386/i686/multiarch/strpbrk.S. */ IFUNC_IMPL (i, name, strpbrk, IFUNC_IMPL_ADD (array, i, strpbrk, CPU_FEATURE_USABLE (SSE4_2), __strpbrk_sse42) IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_ia32)) /* Support sysdeps/i386/i686/multiarch/strrchr.S. */ IFUNC_IMPL (i, name, strrchr, IFUNC_IMPL_ADD (array, i, strrchr, CPU_FEATURE_USABLE (SSE2), __strrchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, strrchr, CPU_FEATURE_USABLE (SSE2), __strrchr_sse2) IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_ia32)) /* Support sysdeps/i386/i686/multiarch/strspn.S. */ IFUNC_IMPL (i, name, strspn, IFUNC_IMPL_ADD (array, i, strspn, CPU_FEATURE_USABLE (SSE4_2), __strspn_sse42) IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_ia32)) /* Support sysdeps/i386/i686/multiarch/wcschr.S. */ IFUNC_IMPL (i, name, wcschr, IFUNC_IMPL_ADD (array, i, wcschr, CPU_FEATURE_USABLE (SSE2), __wcschr_sse2) IFUNC_IMPL_ADD (array, i, wcschr, 1, __wcschr_ia32)) /* Support sysdeps/i386/i686/multiarch/wcscmp.S. */ IFUNC_IMPL (i, name, wcscmp, IFUNC_IMPL_ADD (array, i, wcscmp, CPU_FEATURE_USABLE (SSE2), __wcscmp_sse2) IFUNC_IMPL_ADD (array, i, wcscmp, 1, __wcscmp_ia32)) /* Support sysdeps/i386/i686/multiarch/wcscpy.S. */ IFUNC_IMPL (i, name, wcscpy, IFUNC_IMPL_ADD (array, i, wcscpy, CPU_FEATURE_USABLE (SSSE3), __wcscpy_ssse3) IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_ia32)) /* Support sysdeps/i386/i686/multiarch/wcslen.S. */ IFUNC_IMPL (i, name, wcslen, IFUNC_IMPL_ADD (array, i, wcslen, CPU_FEATURE_USABLE (SSE2), __wcslen_sse2) IFUNC_IMPL_ADD (array, i, wcslen, 1, __wcslen_ia32)) /* Support sysdeps/i386/i686/multiarch/wcsrchr.S. */ IFUNC_IMPL (i, name, wcsrchr, IFUNC_IMPL_ADD (array, i, wcsrchr, CPU_FEATURE_USABLE (SSE2), __wcsrchr_sse2) IFUNC_IMPL_ADD (array, i, wcsrchr, 1, __wcsrchr_ia32)) /* Support sysdeps/i386/i686/multiarch/wmemcmp.S. */ IFUNC_IMPL (i, name, wmemcmp, IFUNC_IMPL_ADD (array, i, wmemcmp, CPU_FEATURE_USABLE (SSE4_2), __wmemcmp_sse4_2) IFUNC_IMPL_ADD (array, i, wmemcmp, CPU_FEATURE_USABLE (SSSE3), __wmemcmp_ssse3) IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_ia32)) #ifdef SHARED /* Support sysdeps/i386/i686/multiarch/memcpy_chk.S. */ IFUNC_IMPL (i, name, __memcpy_chk, IFUNC_IMPL_ADD (array, i, __memcpy_chk, CPU_FEATURE_USABLE (SSSE3), __memcpy_chk_ssse3_rep) IFUNC_IMPL_ADD (array, i, __memcpy_chk, CPU_FEATURE_USABLE (SSSE3), __memcpy_chk_ssse3) IFUNC_IMPL_ADD (array, i, __memcpy_chk, CPU_FEATURE_USABLE (SSE2), __memcpy_chk_sse2_unaligned) IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1, __memcpy_chk_ia32)) /* Support sysdeps/i386/i686/multiarch/memcpy.S. */ IFUNC_IMPL (i, name, memcpy, IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSSE3), __memcpy_ssse3_rep) IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSSE3), __memcpy_ssse3) IFUNC_IMPL_ADD (array, i, memcpy, CPU_FEATURE_USABLE (SSE2), __memcpy_sse2_unaligned) IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ia32)) /* Support sysdeps/i386/i686/multiarch/mempcpy_chk.S. */ IFUNC_IMPL (i, name, __mempcpy_chk, IFUNC_IMPL_ADD (array, i, __mempcpy_chk, CPU_FEATURE_USABLE (SSSE3), __mempcpy_chk_ssse3_rep) IFUNC_IMPL_ADD (array, i, __mempcpy_chk, CPU_FEATURE_USABLE (SSSE3), __mempcpy_chk_ssse3) IFUNC_IMPL_ADD (array, i, __mempcpy_chk, CPU_FEATURE_USABLE (SSE2), __mempcpy_chk_sse2_unaligned) IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1, __mempcpy_chk_ia32)) /* Support sysdeps/i386/i686/multiarch/mempcpy.S. */ IFUNC_IMPL (i, name, mempcpy, IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSSE3), __mempcpy_ssse3_rep) IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSSE3), __mempcpy_ssse3) IFUNC_IMPL_ADD (array, i, mempcpy, CPU_FEATURE_USABLE (SSE2), __mempcpy_sse2_unaligned) IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ia32)) /* Support sysdeps/i386/i686/multiarch/strlen.S. */ IFUNC_IMPL (i, name, strlen, IFUNC_IMPL_ADD (array, i, strlen, CPU_FEATURE_USABLE (SSE2), __strlen_sse2_bsf) IFUNC_IMPL_ADD (array, i, strlen, CPU_FEATURE_USABLE (SSE2), __strlen_sse2) IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_ia32)) /* Support sysdeps/i386/i686/multiarch/strncmp.S. */ IFUNC_IMPL (i, name, strncmp, IFUNC_IMPL_ADD (array, i, strncmp, CPU_FEATURE_USABLE (SSE4_2), __strncmp_sse4_2) IFUNC_IMPL_ADD (array, i, strncmp, CPU_FEATURE_USABLE (SSSE3), __strncmp_ssse3) IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_ia32)) #endif return 0; }