static int
do_test (int argc, char **argv)
{
int fails;
get_cpuinfo ();
fails = check_proc ("avx", HAS_ARCH_FEATURE (AVX_Usable),
"HAS_ARCH_FEATURE (AVX_Usable)");
fails += check_proc ("fma4", HAS_ARCH_FEATURE (FMA4_Usable),
"HAS_ARCH_FEATURE (FMA4_Usable)");
fails += check_proc ("sse4_2", HAS_CPU_FEATURE (SSE4_2),
"HAS_CPU_FEATURE (SSE4_2)");
fails += check_proc ("sse4_1", HAS_CPU_FEATURE (SSE4_1)
, "HAS_CPU_FEATURE (SSE4_1)");
fails += check_proc ("ssse3", HAS_CPU_FEATURE (SSSE3),
"HAS_CPU_FEATURE (SSSE3)");
fails += check_proc ("popcnt", HAS_CPU_FEATURE (POPCOUNT),
"HAS_CPU_FEATURE (POPCOUNT)");
printf ("%d differences between /proc/cpuinfo and glibc code.\n", fails);
return (fails != 0);
}
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 <config.h> #include <math.h> #include <init-arch.h> extern float __fmaf_ia32 (float x, float y, float z) attribute_hidden; extern float __fmaf_fma (float x, float y, float z) attribute_hidden; libm_ifunc (__fmaf, HAS_ARCH_FEATURE (FMA_Usable) ? __fmaf_fma : __fmaf_ia32); weak_alias (__fmaf, fmaf) #define __fmaf __fmaf_ia32 #include <sysdeps/ieee754/dbl-64/s_fmaf.c>
mismatch with the IFUNC selector in strong_alias, below. */ #undef strstr #define strstr __redirect_strstr #include <string.h> #undef strstr #define STRSTR __strstr_sse2 #ifdef SHARED # undef libc_hidden_builtin_def # define libc_hidden_builtin_def(name) \ __hidden_ver1 (__strstr_sse2, __GI_strstr, __strstr_sse2); #endif #include "string/strstr.c" extern __typeof (__redirect_strstr) __strstr_sse2_unaligned attribute_hidden; extern __typeof (__redirect_strstr) __strstr_sse2 attribute_hidden; #include "init-arch.h" /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle ifunc symbol properly. */ extern __typeof (__redirect_strstr) __libc_strstr; libc_ifunc (__libc_strstr, HAS_ARCH_FEATURE (Fast_Unaligned_Load) ? __strstr_sse2_unaligned : __strstr_sse2) #undef strstr strong_alias (__libc_strstr, strstr)
#ifdef HAVE_FMA4_SUPPORT # include <init-arch.h> # include <math.h> # include <math_private.h> extern double __ieee754_pow_sse2 (double, double); extern double __ieee754_pow_fma4 (double, double); libm_ifunc (__ieee754_pow, HAS_ARCH_FEATURE (FMA4_Usable) ? __ieee754_pow_fma4 : __ieee754_pow_sse2); strong_alias (__ieee754_pow, __pow_finite) # define __ieee754_pow __ieee754_pow_sse2 #endif #include <sysdeps/ieee754/dbl-64/e_pow.c>
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_CPU_FEATURE (SSE4_1),
__memcmp_sse4_1)
IFUNC_IMPL_ADD (array, i, memcmp, HAS_CPU_FEATURE (SSSE3),
__memcmp_ssse3)
IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_sse2))
/* Support sysdeps/x86_64/multiarch/memmove_chk.c. */
IFUNC_IMPL (i, name, __memmove_chk,
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memmove_chk_avx512_no_vzeroupper)
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memmove_chk_avx512_unaligned_2)
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memmove_chk_avx512_unaligned_erms)
#endif
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__memmove_chk_avx_unaligned)
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__memmove_chk_avx_unaligned_2)
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__memmove_chk_avx_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_CPU_FEATURE (SSSE3),
__memmove_chk_ssse3_back)
IFUNC_IMPL_ADD (array, i, __memmove_chk,
HAS_CPU_FEATURE (SSSE3),
__memmove_chk_ssse3)
IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
__memmove_chk_sse2_unaligned_2)
IFUNC_IMPL_ADD (array, i, __memmove_chk, 1,
__memmove_chk_sse2_unaligned_erms)
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_ARCH_FEATURE (AVX_Usable),
__memmove_avx_unaligned)
IFUNC_IMPL_ADD (array, i, memmove,
HAS_ARCH_FEATURE (AVX_Usable),
__memmove_avx_unaligned_2)
IFUNC_IMPL_ADD (array, i, memmove,
HAS_ARCH_FEATURE (AVX_Usable),
__memmove_avx_unaligned_erms)
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, memmove,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memmove_avx512_no_vzeroupper)
IFUNC_IMPL_ADD (array, i, memmove,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memmove_avx512_unaligned_2)
IFUNC_IMPL_ADD (array, i, memmove,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memmove_avx512_unaligned_erms)
#endif
IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSSE3),
__memmove_ssse3_back)
IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSSE3),
__memmove_ssse3)
IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_erms)
IFUNC_IMPL_ADD (array, i, memmove, 1,
__memmove_sse2_unaligned_2)
IFUNC_IMPL_ADD (array, i, memmove, 1,
__memmove_sse2_unaligned_erms)
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_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, __memset_chk, 1,
__memset_chk_sse2_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __memset_chk,
HAS_ARCH_FEATURE (AVX2_Usable),
__memset_chk_avx2)
IFUNC_IMPL_ADD (array, i, __memset_chk,
HAS_ARCH_FEATURE (AVX2_Usable),
__memset_chk_avx2_unaligned)
IFUNC_IMPL_ADD (array, i, __memset_chk,
HAS_ARCH_FEATURE (AVX2_Usable),
__memset_chk_avx2_unaligned_erms)
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, __memset_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memset_chk_avx512_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __memset_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memset_chk_avx512_unaligned)
IFUNC_IMPL_ADD (array, i, __memset_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memset_chk_avx512_no_vzeroupper)
#endif
)
/* 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_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, memset, 1,
__memset_sse2_unaligned_erms)
IFUNC_IMPL_ADD (array, i, memset, 1, __memset_erms)
IFUNC_IMPL_ADD (array, i, memset,
HAS_ARCH_FEATURE (AVX2_Usable),
__memset_avx2)
IFUNC_IMPL_ADD (array, i, memset,
HAS_ARCH_FEATURE (AVX2_Usable),
__memset_avx2_unaligned)
IFUNC_IMPL_ADD (array, i, memset,
HAS_ARCH_FEATURE (AVX2_Usable),
__memset_avx2_unaligned_erms)
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, memset,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memset_avx512_unaligned_erms)
IFUNC_IMPL_ADD (array, i, memset,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memset_avx512_unaligned)
IFUNC_IMPL_ADD (array, i, memset,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memset_avx512_no_vzeroupper)
#endif
)
/* Support sysdeps/x86_64/multiarch/stpncpy.S. */
IFUNC_IMPL (i, name, stpncpy,
IFUNC_IMPL_ADD (array, i, stpncpy, HAS_CPU_FEATURE (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_CPU_FEATURE (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_ARCH_FEATURE (AVX_Usable),
__strcasecmp_avx)
IFUNC_IMPL_ADD (array, i, strcasecmp,
HAS_CPU_FEATURE (SSE4_2),
__strcasecmp_sse42)
IFUNC_IMPL_ADD (array, i, strcasecmp,
HAS_CPU_FEATURE (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_ARCH_FEATURE (AVX_Usable),
__strcasecmp_l_avx)
IFUNC_IMPL_ADD (array, i, strcasecmp_l,
HAS_CPU_FEATURE (SSE4_2),
__strcasecmp_l_sse42)
IFUNC_IMPL_ADD (array, i, strcasecmp_l,
HAS_CPU_FEATURE (SSSE3),
__strcasecmp_l_ssse3)
IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
__strcasecmp_l_sse2))
/* Support sysdeps/x86_64/multiarch/strcat.S. */
IFUNC_IMPL (i, name, strcat,
IFUNC_IMPL_ADD (array, i, strcat, HAS_CPU_FEATURE (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, 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_CPU_FEATURE (SSE4_2),
__strcmp_sse42)
IFUNC_IMPL_ADD (array, i, strcmp, HAS_CPU_FEATURE (SSSE3),
__strcmp_ssse3)
IFUNC_IMPL_ADD (array, i, strcmp, 1, __strcmp_sse2_unaligned)
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_CPU_FEATURE (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_CPU_FEATURE (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_ARCH_FEATURE (AVX_Usable),
__strncasecmp_avx)
IFUNC_IMPL_ADD (array, i, strncasecmp,
HAS_CPU_FEATURE (SSE4_2),
__strncasecmp_sse42)
IFUNC_IMPL_ADD (array, i, strncasecmp,
HAS_CPU_FEATURE (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_ARCH_FEATURE (AVX_Usable),
__strncasecmp_l_avx)
IFUNC_IMPL_ADD (array, i, strncasecmp_l,
HAS_CPU_FEATURE (SSE4_2),
__strncasecmp_l_sse42)
IFUNC_IMPL_ADD (array, i, strncasecmp_l,
HAS_CPU_FEATURE (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_CPU_FEATURE (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_CPU_FEATURE (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/strpbrk.S. */
IFUNC_IMPL (i, name, strpbrk,
IFUNC_IMPL_ADD (array, i, strpbrk, HAS_CPU_FEATURE (SSE4_2),
__strpbrk_sse42)
IFUNC_IMPL_ADD (array, i, strpbrk, 1, __strpbrk_sse2))
/* Support sysdeps/x86_64/multiarch/strspn.S. */
IFUNC_IMPL (i, name, strspn,
IFUNC_IMPL_ADD (array, i, strspn, HAS_CPU_FEATURE (SSE4_2),
__strspn_sse42)
IFUNC_IMPL_ADD (array, i, strspn, 1, __strspn_sse2))
/* Support sysdeps/x86_64/multiarch/strstr.c. */
IFUNC_IMPL (i, name, strstr,
IFUNC_IMPL_ADD (array, i, strstr, 1, __strstr_sse2_unaligned)
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_CPU_FEATURE (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_CPU_FEATURE (SSE4_1),
__wmemcmp_sse4_1)
IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_CPU_FEATURE (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,
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memcpy_chk_avx512_no_vzeroupper)
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memcpy_chk_avx512_unaligned_2)
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memcpy_chk_avx512_unaligned_erms)
#endif
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__memcpy_chk_avx_unaligned)
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__memcpy_chk_avx_unaligned_2)
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__memcpy_chk_avx_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_CPU_FEATURE (SSSE3),
__memcpy_chk_ssse3_back)
IFUNC_IMPL_ADD (array, i, __memcpy_chk,
HAS_CPU_FEATURE (SSSE3),
__memcpy_chk_ssse3)
IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
__memcpy_chk_sse2_unaligned_2)
IFUNC_IMPL_ADD (array, i, __memcpy_chk, 1,
__memcpy_chk_sse2_unaligned_erms)
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_ARCH_FEATURE (AVX_Usable),
__memcpy_avx_unaligned)
IFUNC_IMPL_ADD (array, i, memcpy,
HAS_ARCH_FEATURE (AVX_Usable),
__memcpy_avx_unaligned_2)
IFUNC_IMPL_ADD (array, i, memcpy,
HAS_ARCH_FEATURE (AVX_Usable),
__memcpy_avx_unaligned_erms)
IFUNC_IMPL_ADD (array, i, memcpy, HAS_CPU_FEATURE (SSSE3),
__memcpy_ssse3_back)
IFUNC_IMPL_ADD (array, i, memcpy, HAS_CPU_FEATURE (SSSE3),
__memcpy_ssse3)
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, memcpy,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memcpy_avx512_no_vzeroupper)
IFUNC_IMPL_ADD (array, i, memcpy,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memcpy_avx512_unaligned_2)
IFUNC_IMPL_ADD (array, i, memcpy,
HAS_ARCH_FEATURE (AVX512F_Usable),
__memcpy_avx512_unaligned_erms)
#endif
IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, memcpy, 1,
__memcpy_sse2_unaligned_2)
IFUNC_IMPL_ADD (array, i, memcpy, 1,
__memcpy_sse2_unaligned_erms)
IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_erms)
IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2))
/* Support sysdeps/x86_64/multiarch/mempcpy_chk.S. */
IFUNC_IMPL (i, name, __mempcpy_chk,
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__mempcpy_chk_avx512_no_vzeroupper)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__mempcpy_chk_avx512_unaligned_2)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_ARCH_FEATURE (AVX512F_Usable),
__mempcpy_chk_avx512_unaligned_erms)
#endif
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__mempcpy_chk_avx_unaligned)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__mempcpy_chk_avx_unaligned_2)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_ARCH_FEATURE (AVX_Usable),
__mempcpy_chk_avx_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_CPU_FEATURE (SSSE3),
__mempcpy_chk_ssse3_back)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
HAS_CPU_FEATURE (SSSE3),
__mempcpy_chk_ssse3)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
__mempcpy_chk_sse2_unaligned_2)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
__mempcpy_chk_sse2_unaligned_erms)
IFUNC_IMPL_ADD (array, i, __mempcpy_chk, 1,
__mempcpy_chk_sse2))
/* Support sysdeps/x86_64/multiarch/mempcpy.S. */
IFUNC_IMPL (i, name, mempcpy,
#ifdef HAVE_AVX512_ASM_SUPPORT
IFUNC_IMPL_ADD (array, i, mempcpy,
HAS_ARCH_FEATURE (AVX512F_Usable),
__mempcpy_avx512_no_vzeroupper)
IFUNC_IMPL_ADD (array, i, mempcpy,
HAS_ARCH_FEATURE (AVX512F_Usable),
__mempcpy_avx512_unaligned_2)
IFUNC_IMPL_ADD (array, i, mempcpy,
HAS_ARCH_FEATURE (AVX512F_Usable),
__mempcpy_avx512_unaligned_erms)
#endif
IFUNC_IMPL_ADD (array, i, mempcpy,
HAS_ARCH_FEATURE (AVX_Usable),
__mempcpy_avx_unaligned)
IFUNC_IMPL_ADD (array, i, mempcpy,
HAS_ARCH_FEATURE (AVX_Usable),
__mempcpy_avx_unaligned_2)
IFUNC_IMPL_ADD (array, i, mempcpy,
HAS_ARCH_FEATURE (AVX_Usable),
__mempcpy_avx_unaligned_erms)
IFUNC_IMPL_ADD (array, i, mempcpy, HAS_CPU_FEATURE (SSSE3),
__mempcpy_ssse3_back)
IFUNC_IMPL_ADD (array, i, mempcpy, HAS_CPU_FEATURE (SSSE3),
__mempcpy_ssse3)
IFUNC_IMPL_ADD (array, i, mempcpy, 1,
__mempcpy_sse2_unaligned_2)
IFUNC_IMPL_ADD (array, i, mempcpy, 1,
__mempcpy_sse2_unaligned_erms)
IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_erms)
IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_sse2))
/* Support sysdeps/x86_64/multiarch/strncmp.S. */
IFUNC_IMPL (i, name, strncmp,
IFUNC_IMPL_ADD (array, i, strncmp, HAS_CPU_FEATURE (SSE4_2),
__strncmp_sse42)
IFUNC_IMPL_ADD (array, i, strncmp, HAS_CPU_FEATURE (SSSE3),
__strncmp_ssse3)
IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_sse2))
#endif
return i;
}
extern __typeof (__redirect_memmove) __memmove_sse2 attribute_hidden; extern __typeof (__redirect_memmove) __memmove_ssse3 attribute_hidden; extern __typeof (__redirect_memmove) __memmove_ssse3_back attribute_hidden; extern __typeof (__redirect_memmove) __memmove_avx_unaligned attribute_hidden; #endif #include "string/memmove.c" #if IS_IN (libc) # include <shlib-compat.h> # include "init-arch.h" /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle ifunc symbol properly. */ extern __typeof (__redirect_memmove) __libc_memmove; libc_ifunc (__libc_memmove, HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load) ? __memmove_avx_unaligned : (HAS_CPU_FEATURE (SSSE3) ? (HAS_ARCH_FEATURE (Fast_Copy_Backward) ? __memmove_ssse3_back : __memmove_ssse3) : __memmove_sse2)); strong_alias (__libc_memmove, memmove) # if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14) compat_symbol (libc, memmove, memcpy, GLIBC_2_2_5); # endif #endif
#include <init-arch.h> #include <math.h> #undef NAN extern double __cos_sse2 (double); extern double __sin_sse2 (double); extern double __cos_avx (double); extern double __sin_avx (double); extern double __cos_fma4 (double); extern double __sin_fma4 (double); libm_ifunc (__cos, (HAS_ARCH_FEATURE (FMA4_Usable) ? __cos_fma4 : HAS_ARCH_FEATURE (AVX_Usable) ? __cos_avx : __cos_sse2)); weak_alias (__cos, cos) libm_ifunc (__sin, (HAS_ARCH_FEATURE (FMA4_Usable) ? __sin_fma4 : HAS_ARCH_FEATURE (AVX_Usable) ? __sin_avx : __sin_sse2)); weak_alias (__sin, sin) #define __cos __cos_sse2 #define __sin __sin_sse2 #include <sysdeps/ieee754/dbl-64/s_sin.c>
# endif #endif #include "string/memmove.c" #if IS_IN (libc) # include <shlib-compat.h> # include "init-arch.h" /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle ifunc symbol properly. */ extern __typeof (__redirect_memmove) __libc_memmove; libc_ifunc (__libc_memmove, #ifdef HAVE_AVX512_ASM_SUPPORT HAS_ARCH_FEATURE (AVX512F_Usable) && HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER) ? __memmove_avx512_no_vzeroupper : #endif (HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load) ? __memmove_avx_unaligned : (HAS_CPU_FEATURE (SSSE3) ? (HAS_ARCH_FEATURE (Fast_Copy_Backward) ? __memmove_ssse3_back : __memmove_ssse3) : __memmove_sse2))); strong_alias (__libc_memmove, memmove) # if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14) compat_symbol (libc, memmove, memcpy, GLIBC_2_2_5);
