diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/ifunc-impl-list.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/ifunc-impl-list.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c new file mode 100644 index 0000000000..332a60d9c5 --- /dev/null +++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c @@ -0,0 +1,283 @@ +/* Enumerate available IFUNC implementations of a function. x86-64 version. + Copyright (C) 2012 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 + <http://www.gnu.org/licenses/>. */ + +#include <assert.h> +#include <string.h> +#include <wchar.h> +#include <ifunc-impl-list.h> +#include "init-arch.h" + +/* Maximum number of IFUNC implementations. */ +#define MAX_IFUNC 4 + +/* Fill ARRAY of MAX elements with IFUNC implementations for function + NAME supported on target machine and return the number of valid + entries. */ + +size_t +__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, + size_t max) +{ + assert (max >= MAX_IFUNC); + + size_t i = 0; + + /* Support sysdeps/x86_64/multiarch/memcmp.S. */ + IFUNC_IMPL (i, name, memcmp, + IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSE4_1, + __memcmp_sse4_1) + IFUNC_IMPL_ADD (array, i, memcmp, HAS_SSSE3, __memcmp_ssse3) + IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_sse2)) + + /* Support sysdeps/x86_64/multiarch/memmove_chk.S. */ + IFUNC_IMPL (i, name, __memmove_chk, + IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3, + __memmove_chk_ssse3_back) + IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_SSSE3, + __memmove_chk_ssse3) + IFUNC_IMPL_ADD (array, i, __memmove_chk, 1, + __memmove_chk_sse2)) + + /* Support sysdeps/x86_64/multiarch/memmove.S. */ + IFUNC_IMPL (i, name, memmove, + IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3, + __memmove_ssse3_back) + IFUNC_IMPL_ADD (array, i, memmove, HAS_SSSE3, + __memmove_ssse3) + IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_sse2)) + + /* Support sysdeps/x86_64/multiarch/memset_chk.S. */ + IFUNC_IMPL (i, name, __memset_chk, + IFUNC_IMPL_ADD (array, i, __memset_chk, 1, __memset_chk_sse2) + IFUNC_IMPL_ADD (array, i, __memset_chk, 1, + __memset_chk_x86_64)) + + /* Support sysdeps/x86_64/multiarch/memset.S. */ + IFUNC_IMPL (i, name, memset, + IFUNC_IMPL_ADD (array, i, memset, 1, __memset_sse2) + IFUNC_IMPL_ADD (array, i, memset, 1, __memset_x86_64)) + + /* Support sysdeps/x86_64/multiarch/rawmemchr.S. */ + IFUNC_IMPL (i, name, rawmemchr, + IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE4_2, + __rawmemchr_sse42) + IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_sse2)) + + /* Support sysdeps/x86_64/multiarch/stpncpy.S. */ + IFUNC_IMPL (i, name, stpncpy, + IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSSE3, + __stpncpy_ssse3) + IFUNC_IMPL_ADD (array, i, stpncpy, 1, + __stpncpy_sse2_unaligned) + IFUNC_IMPL_ADD (array, i, stpncpy, 1, __stpncpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/stpcpy.S. */ + IFUNC_IMPL (i, name, stpcpy, + IFUNC_IMPL_ADD (array, i, stpcpy, HAS_SSSE3, __stpcpy_ssse3) + IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_sse2_unaligned) + IFUNC_IMPL_ADD (array, i, stpcpy, 1, __stpcpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcasecmp_l.S. */ + IFUNC_IMPL (i, name, strcasecmp, + IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_AVX, + __strcasecmp_avx) + IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSE4_2, + __strcasecmp_sse42) + IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_SSSE3, + __strcasecmp_ssse3) + IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcasecmp_l.S. */ + IFUNC_IMPL (i, name, strcasecmp_l, + IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_AVX, + __strcasecmp_l_avx) + IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSE4_2, + __strcasecmp_l_sse42) + IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_SSSE3, + __strcasecmp_l_ssse3) + IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1, + __strcasecmp_l_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcasestr.c. */ + IFUNC_IMPL (i, name, strcasestr, + IFUNC_IMPL_ADD (array, i, strcasestr, HAS_SSE4_2, + __strcasestr_sse42) + IFUNC_IMPL_ADD (array, i, strcasestr, 1, __strcasestr_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcat.S. */ + IFUNC_IMPL (i, name, strcat, + IFUNC_IMPL_ADD (array, i, strcat, HAS_SSSE3, __strcat_ssse3) + IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_sse2_unaligned) + IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_sse2)) + + /* Support sysdeps/x86_64/multiarch/strchr.S. */ + IFUNC_IMPL (i, name, strchr, + IFUNC_IMPL_ADD (array, i, strchr, HAS_SSE4_2, __strchr_sse42) + IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_sse2_no_bsf) + IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcmp.S. */ + IFUNC_IMPL (i, name, strcmp, + IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSE4_2, __strcmp_sse42) + IFUNC_IMPL_ADD (array, i, strcmp, HAS_SSSE3, __strcmp_ssse3) + IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcpy.S. */ + IFUNC_IMPL (i, name, strcpy, + IFUNC_IMPL_ADD (array, i, strcpy, HAS_SSSE3, __strcpy_ssse3) + IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_sse2_unaligned) + IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/strcspn.S. */ + IFUNC_IMPL (i, name, strcspn, + IFUNC_IMPL_ADD (array, i, strcspn, HAS_SSE4_2, + __strcspn_sse42) + IFUNC_IMPL_ADD (array, i, strcspn, 1, __strcspn_sse2)) + + /* Support sysdeps/x86_64/multiarch/strncase_l.S. */ + IFUNC_IMPL (i, name, strncasecmp, + IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_AVX, + __strncasecmp_avx) + IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSE4_2, + __strncasecmp_sse42) + IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_SSSE3, + __strncasecmp_ssse3) + IFUNC_IMPL_ADD (array, i, strncasecmp, 1, + __strncasecmp_sse2)) + + /* Support sysdeps/x86_64/multiarch/strncase_l.S. */ + IFUNC_IMPL (i, name, strncasecmp_l, + IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_AVX, + __strncasecmp_l_avx) + IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_SSE4_2, + __strncasecmp_l_sse42) + IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_SSSE3, + __strncasecmp_l_ssse3) + IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1, + __strncasecmp_l_sse2)) + + /* Support sysdeps/x86_64/multiarch/strncat.S. */ + IFUNC_IMPL (i, name, strncat, + IFUNC_IMPL_ADD (array, i, strncat, HAS_SSSE3, + __strncat_ssse3) + IFUNC_IMPL_ADD (array, i, strncat, 1, + __strncat_sse2_unaligned) + IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_sse2)) + + /* Support sysdeps/x86_64/multiarch/strncpy.S. */ + IFUNC_IMPL (i, name, strncpy, + IFUNC_IMPL_ADD (array, i, strncpy, HAS_SSSE3, + __strncpy_ssse3) + IFUNC_IMPL_ADD (array, i, strncpy, 1, + __strncpy_sse2_unaligned) + IFUNC_IMPL_ADD (array, i, strncpy, 1, __strncpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/strnlen.S. */ + IFUNC_IMPL (i, name, strnlen, + IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_sse2_no_bsf) + IFUNC_IMPL_ADD (array, i, strnlen, 1, __strnlen_sse2)) + + /* Support sysdeps/x86_64/multiarch/strpbrk.S. */ + IFUNC_IMPL (i, name, strpbrk, + IFUNC_IMPL_ADD (array, i, strpbrk, HAS_SSE4_2, + __strpbrk_sse42) + IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_sse2)) + + /* Support sysdeps/x86_64/multiarch/strrchr.S. */ + IFUNC_IMPL (i, name, strrchr, + IFUNC_IMPL_ADD (array, i, strrchr, HAS_SSE4_2, + __strrchr_sse42) + IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_sse2_no_bsf) + IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_sse2)) + + /* Support sysdeps/x86_64/multiarch/strspn.S. */ + IFUNC_IMPL (i, name, strspn, + IFUNC_IMPL_ADD (array, i, strspn, HAS_SSE4_2, __strspn_sse42) + IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_sse2)) + + /* Support sysdeps/x86_64/multiarch/strstr-c.c. */ + IFUNC_IMPL (i, name, strstr, + IFUNC_IMPL_ADD (array, i, strstr, HAS_SSE4_2, __strstr_sse42) + IFUNC_IMPL_ADD (array, i, strstr, 1, __strstr_sse2)) + + /* Support sysdeps/x86_64/multiarch/wcscpy.S. */ + IFUNC_IMPL (i, name, wcscpy, + IFUNC_IMPL_ADD (array, i, wcscpy, HAS_SSSE3, __wcscpy_ssse3) + IFUNC_IMPL_ADD (array, i, wcscpy, 1, __wcscpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/wmemcmp.S. */ + IFUNC_IMPL (i, name, wmemcmp, + IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSE4_1, + __wmemcmp_sse4_1) + IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_SSSE3, + __wmemcmp_ssse3) + IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_sse2)) + +#ifdef SHARED + /* Support sysdeps/x86_64/multiarch/memcpy_chk.S. */ + IFUNC_IMPL (i, name, __memcpy_chk, + IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3, + __memcpy_chk_ssse3_back) + IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_SSSE3, + __memcpy_chk_ssse3) + IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1, + __memcpy_chk_sse2)) + + /* Support sysdeps/x86_64/multiarch/memcpy.S. */ + IFUNC_IMPL (i, name, memcpy, + IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3, + __memcpy_ssse3_back) + IFUNC_IMPL_ADD (array, i, memcpy, HAS_SSSE3, __memcpy_ssse3) + IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/mempcpy_chk.S. */ + IFUNC_IMPL (i, name, __mempcpy_chk, + IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3, + __mempcpy_chk_ssse3_back) + IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_SSSE3, + __mempcpy_chk_ssse3) + IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1, + __mempcpy_chk_sse2)) + + /* Support sysdeps/x86_64/multiarch/mempcpy.S. */ + IFUNC_IMPL (i, name, mempcpy, + IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3, + __mempcpy_ssse3_back) + IFUNC_IMPL_ADD (array, i, mempcpy, HAS_SSSE3, + __mempcpy_ssse3) + IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_sse2)) + + /* Support sysdeps/x86_64/multiarch/strlen.S. */ + IFUNC_IMPL (i, name, strlen, + IFUNC_IMPL_ADD (array, i, strlen, HAS_SSE4_2, __strlen_sse42) + IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2_pminub) + IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2_no_bsf) + IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2) + IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_sse2)) + + /* Support sysdeps/x86_64/multiarch/strncmp.S. */ + IFUNC_IMPL (i, name, strncmp, + IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSE4_2, + __strncmp_sse42) + IFUNC_IMPL_ADD (array, i, strncmp, HAS_SSSE3, + __strncmp_ssse3) + IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_sse2)) +#endif + + return i; +} |