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); }
/* Force elision for all new locks. This is used to decide whether existing DEFAULT locks should be automatically upgraded to elision in pthread_mutex_lock(). Disabled for suid programs. Only used when elision is available. */ int __pthread_force_elision attribute_hidden; /* Initialize elison. */ static void elision_init (int argc __attribute__ ((unused)), char **argv __attribute__ ((unused)), char **environ) { __elision_available = HAS_CPU_FEATURE (RTM); #ifdef ENABLE_LOCK_ELISION __pthread_force_elision = __libc_enable_secure ? 0 : __elision_available; #endif if (!HAS_CPU_FEATURE (RTM)) __elision_aconf.retry_try_xbegin = 0; /* Disable elision on rwlocks */ } #ifdef SHARED # define INIT_SECTION ".init_array" #else # define INIT_SECTION ".preinit_array" #endif void (*const __pthread_init_array []) (int, char **, char **) __attribute__ ((section (INIT_SECTION), aligned (sizeof (void *)))) =
static int do_test (void) { const struct cpu_features *cpu_features = __get_cpu_features (); switch (cpu_features->basic.kind) { case arch_kind_intel: case arch_kind_amd: case arch_kind_other: printf ("Vendor: %s\n", cpu_kinds[cpu_features->basic.kind]); printf ("Family: 0x%x\n", cpu_features->basic.family); printf ("Model: 0x%x\n", cpu_features->basic.model); printf ("Stepping: 0x%x\n", cpu_features->basic.stepping); break; default: abort (); } #ifdef __SSE2__ TEST_VERIFY_EXIT (HAS_CPU_FEATURE (SSE2)); #endif printf ("CPU features:\n"); CHECK_CPU_FEATURE (SSE3); CHECK_CPU_FEATURE (PCLMULQDQ); CHECK_CPU_FEATURE (DTES64); CHECK_CPU_FEATURE (MONITOR); CHECK_CPU_FEATURE (DS_CPL); CHECK_CPU_FEATURE (VMX); CHECK_CPU_FEATURE (SMX); CHECK_CPU_FEATURE (EST); CHECK_CPU_FEATURE (TM2); CHECK_CPU_FEATURE (SSSE3); CHECK_CPU_FEATURE (CNXT_ID); CHECK_CPU_FEATURE (SDBG); CHECK_CPU_FEATURE (FMA); CHECK_CPU_FEATURE (CMPXCHG16B); CHECK_CPU_FEATURE (XTPRUPDCTRL); CHECK_CPU_FEATURE (PDCM); CHECK_CPU_FEATURE (PCID); CHECK_CPU_FEATURE (DCA); CHECK_CPU_FEATURE (SSE4_1); CHECK_CPU_FEATURE (SSE4_2); CHECK_CPU_FEATURE (X2APIC); CHECK_CPU_FEATURE (MOVBE); CHECK_CPU_FEATURE (POPCNT); CHECK_CPU_FEATURE (TSC_DEADLINE); CHECK_CPU_FEATURE (AES); CHECK_CPU_FEATURE (XSAVE); CHECK_CPU_FEATURE (OSXSAVE); CHECK_CPU_FEATURE (AVX); CHECK_CPU_FEATURE (F16C); CHECK_CPU_FEATURE (RDRAND); CHECK_CPU_FEATURE (FPU); CHECK_CPU_FEATURE (VME); CHECK_CPU_FEATURE (DE); CHECK_CPU_FEATURE (PSE); CHECK_CPU_FEATURE (TSC); CHECK_CPU_FEATURE (MSR); CHECK_CPU_FEATURE (PAE); CHECK_CPU_FEATURE (MCE); CHECK_CPU_FEATURE (CX8); CHECK_CPU_FEATURE (APIC); CHECK_CPU_FEATURE (SEP); CHECK_CPU_FEATURE (MTRR); CHECK_CPU_FEATURE (PGE); CHECK_CPU_FEATURE (MCA); CHECK_CPU_FEATURE (CMOV); CHECK_CPU_FEATURE (PAT); CHECK_CPU_FEATURE (PSE_36); CHECK_CPU_FEATURE (PSN); CHECK_CPU_FEATURE (CLFSH); CHECK_CPU_FEATURE (DS); CHECK_CPU_FEATURE (ACPI); CHECK_CPU_FEATURE (MMX); CHECK_CPU_FEATURE (FXSR); CHECK_CPU_FEATURE (SSE); CHECK_CPU_FEATURE (SSE2); CHECK_CPU_FEATURE (SS); CHECK_CPU_FEATURE (HTT); CHECK_CPU_FEATURE (TM); CHECK_CPU_FEATURE (PBE); CHECK_CPU_FEATURE (FSGSBASE); CHECK_CPU_FEATURE (TSC_ADJUST); CHECK_CPU_FEATURE (SGX); CHECK_CPU_FEATURE (BMI1); CHECK_CPU_FEATURE (HLE); CHECK_CPU_FEATURE (AVX2); CHECK_CPU_FEATURE (SMEP); CHECK_CPU_FEATURE (BMI2); CHECK_CPU_FEATURE (ERMS); CHECK_CPU_FEATURE (INVPCID); CHECK_CPU_FEATURE (RTM); CHECK_CPU_FEATURE (PQM); CHECK_CPU_FEATURE (MPX); CHECK_CPU_FEATURE (PQE); CHECK_CPU_FEATURE (AVX512F); CHECK_CPU_FEATURE (AVX512DQ); CHECK_CPU_FEATURE (RDSEED); CHECK_CPU_FEATURE (ADX); CHECK_CPU_FEATURE (SMAP); CHECK_CPU_FEATURE (AVX512_IFMA); CHECK_CPU_FEATURE (CLFLUSHOPT); CHECK_CPU_FEATURE (CLWB); CHECK_CPU_FEATURE (TRACE); CHECK_CPU_FEATURE (AVX512PF); CHECK_CPU_FEATURE (AVX512ER); CHECK_CPU_FEATURE (AVX512CD); CHECK_CPU_FEATURE (SHA); CHECK_CPU_FEATURE (AVX512BW); CHECK_CPU_FEATURE (AVX512VL); CHECK_CPU_FEATURE (PREFETCHWT1); CHECK_CPU_FEATURE (AVX512_VBMI); CHECK_CPU_FEATURE (UMIP); CHECK_CPU_FEATURE (PKU); CHECK_CPU_FEATURE (OSPKE); CHECK_CPU_FEATURE (WAITPKG); CHECK_CPU_FEATURE (AVX512_VBMI2); CHECK_CPU_FEATURE (SHSTK); CHECK_CPU_FEATURE (GFNI); CHECK_CPU_FEATURE (VAES); CHECK_CPU_FEATURE (VPCLMULQDQ); CHECK_CPU_FEATURE (AVX512_VNNI); CHECK_CPU_FEATURE (AVX512_BITALG); CHECK_CPU_FEATURE (AVX512_VPOPCNTDQ); CHECK_CPU_FEATURE (RDPID); CHECK_CPU_FEATURE (CLDEMOTE); CHECK_CPU_FEATURE (MOVDIRI); CHECK_CPU_FEATURE (MOVDIR64B); CHECK_CPU_FEATURE (SGX_LC); CHECK_CPU_FEATURE (AVX512_4VNNIW); CHECK_CPU_FEATURE (AVX512_4FMAPS); CHECK_CPU_FEATURE (FSRM); CHECK_CPU_FEATURE (PCONFIG); CHECK_CPU_FEATURE (IBT); CHECK_CPU_FEATURE (IBRS_IBPB); CHECK_CPU_FEATURE (STIBP); CHECK_CPU_FEATURE (CAPABILITIES); CHECK_CPU_FEATURE (SSBD); CHECK_CPU_FEATURE (LAHF64_SAHF64); CHECK_CPU_FEATURE (SVM); CHECK_CPU_FEATURE (LZCNT); CHECK_CPU_FEATURE (SSE4A); CHECK_CPU_FEATURE (PREFETCHW); CHECK_CPU_FEATURE (XOP); CHECK_CPU_FEATURE (LWP); CHECK_CPU_FEATURE (FMA4); CHECK_CPU_FEATURE (TBM); CHECK_CPU_FEATURE (SYSCALL_SYSRET); CHECK_CPU_FEATURE (NX); CHECK_CPU_FEATURE (PAGE1GB); CHECK_CPU_FEATURE (RDTSCP); CHECK_CPU_FEATURE (LM); CHECK_CPU_FEATURE (XSAVEOPT); CHECK_CPU_FEATURE (XSAVEC); CHECK_CPU_FEATURE (XGETBV_ECX_1); CHECK_CPU_FEATURE (XSAVES); CHECK_CPU_FEATURE (INVARIANT_TSC); CHECK_CPU_FEATURE (WBNOINVD); printf ("Usable CPU features:\n"); CHECK_CPU_FEATURE_USABLE (SSE3); CHECK_CPU_FEATURE_USABLE (PCLMULQDQ); CHECK_CPU_FEATURE_USABLE (SSSE3); CHECK_CPU_FEATURE_USABLE (FMA); CHECK_CPU_FEATURE_USABLE (CMPXCHG16B); CHECK_CPU_FEATURE_USABLE (SSE4_1); CHECK_CPU_FEATURE_USABLE (SSE4_2); CHECK_CPU_FEATURE_USABLE (MOVBE); CHECK_CPU_FEATURE_USABLE (POPCNT); CHECK_CPU_FEATURE_USABLE (AES); CHECK_CPU_FEATURE_USABLE (XSAVE); CHECK_CPU_FEATURE_USABLE (OSXSAVE); CHECK_CPU_FEATURE_USABLE (AVX); CHECK_CPU_FEATURE_USABLE (F16C); CHECK_CPU_FEATURE_USABLE (RDRAND); CHECK_CPU_FEATURE_USABLE (FPU); CHECK_CPU_FEATURE_USABLE (TSC); CHECK_CPU_FEATURE_USABLE (MSR); CHECK_CPU_FEATURE_USABLE (CX8); CHECK_CPU_FEATURE_USABLE (SEP); CHECK_CPU_FEATURE_USABLE (CMOV); CHECK_CPU_FEATURE_USABLE (CLFSH); CHECK_CPU_FEATURE_USABLE (MMX); CHECK_CPU_FEATURE_USABLE (FXSR); CHECK_CPU_FEATURE_USABLE (SSE); CHECK_CPU_FEATURE_USABLE (SSE2); CHECK_CPU_FEATURE_USABLE (FSGSBASE); CHECK_CPU_FEATURE_USABLE (BMI1); CHECK_CPU_FEATURE_USABLE (HLE); CHECK_CPU_FEATURE_USABLE (AVX2); CHECK_CPU_FEATURE_USABLE (BMI2); CHECK_CPU_FEATURE_USABLE (ERMS); CHECK_CPU_FEATURE_USABLE (AVX512F); CHECK_CPU_FEATURE_USABLE (AVX512DQ); CHECK_CPU_FEATURE_USABLE (RDSEED); CHECK_CPU_FEATURE_USABLE (ADX); CHECK_CPU_FEATURE_USABLE (AVX512_IFMA); CHECK_CPU_FEATURE_USABLE (CLFLUSHOPT); CHECK_CPU_FEATURE_USABLE (CLWB); CHECK_CPU_FEATURE_USABLE (AVX512PF); CHECK_CPU_FEATURE_USABLE (AVX512ER); CHECK_CPU_FEATURE_USABLE (AVX512CD); CHECK_CPU_FEATURE_USABLE (SHA); CHECK_CPU_FEATURE_USABLE (AVX512BW); CHECK_CPU_FEATURE_USABLE (AVX512VL); CHECK_CPU_FEATURE_USABLE (PREFETCHWT1); CHECK_CPU_FEATURE_USABLE (AVX512_VBMI); CHECK_CPU_FEATURE_USABLE (AVX512_VBMI2); CHECK_CPU_FEATURE_USABLE (GFNI); CHECK_CPU_FEATURE_USABLE (VAES); CHECK_CPU_FEATURE_USABLE (VPCLMULQDQ); CHECK_CPU_FEATURE_USABLE (AVX512_VNNI); CHECK_CPU_FEATURE_USABLE (AVX512_BITALG); CHECK_CPU_FEATURE_USABLE (AVX512_VPOPCNTDQ); CHECK_CPU_FEATURE_USABLE (RDPID); CHECK_CPU_FEATURE_USABLE (CLDEMOTE); CHECK_CPU_FEATURE_USABLE (MOVDIRI); CHECK_CPU_FEATURE_USABLE (MOVDIR64B); CHECK_CPU_FEATURE_USABLE (AVX512_4VNNIW); CHECK_CPU_FEATURE_USABLE (AVX512_4FMAPS); CHECK_CPU_FEATURE_USABLE (FSRM); CHECK_CPU_FEATURE_USABLE (LAHF64_SAHF64); CHECK_CPU_FEATURE_USABLE (LZCNT); CHECK_CPU_FEATURE_USABLE (SSE4A); CHECK_CPU_FEATURE_USABLE (PREFETCHW); CHECK_CPU_FEATURE_USABLE (XOP); CHECK_CPU_FEATURE_USABLE (FMA4); CHECK_CPU_FEATURE_USABLE (TBM); CHECK_CPU_FEATURE_USABLE (SYSCALL_SYSRET); CHECK_CPU_FEATURE_USABLE (RDTSCP); CHECK_CPU_FEATURE_USABLE (XSAVEOPT); CHECK_CPU_FEATURE_USABLE (XSAVEC); CHECK_CPU_FEATURE_USABLE (XGETBV_ECX_1); CHECK_CPU_FEATURE_USABLE (XSAVES); CHECK_CPU_FEATURE_USABLE (INVARIANT_TSC); CHECK_CPU_FEATURE_USABLE (WBNOINVD); return 0; }
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
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 <sched.h> #include "init-arch.h" #define __sched_cpucount static generic_cpucount #include <posix/sched_cpucount.c> #undef __sched_cpucount #define POPCNT(l) \ ({ __cpu_mask r; \ asm ("popcnt %1, %0" : "=r" (r) : "0" (l));\ r; }) #define __sched_cpucount static popcount_cpucount #include <posix/sched_cpucount.c> #undef __sched_cpucount libc_ifunc (__sched_cpucount, HAS_CPU_FEATURE (POPCNT) ? popcount_cpucount : generic_cpucount);
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/i386/i686/multiarch/bcopy.S. */ IFUNC_IMPL (i, name, bcopy, IFUNC_IMPL_ADD (array, i, bcopy, HAS_CPU_FEATURE (SSSE3), __bcopy_ssse3_rep) IFUNC_IMPL_ADD (array, i, bcopy, HAS_CPU_FEATURE (SSSE3), __bcopy_ssse3) IFUNC_IMPL_ADD (array, i, bcopy, HAS_CPU_FEATURE (SSE2), __bcopy_sse2_unaligned) IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ia32)) /* Support sysdeps/i386/i686/multiarch/bzero.S. */ IFUNC_IMPL (i, name, bzero, IFUNC_IMPL_ADD (array, i, bzero, HAS_CPU_FEATURE (SSE2), __bzero_sse2_rep) IFUNC_IMPL_ADD (array, i, bzero, HAS_CPU_FEATURE (SSE2), __bzero_sse2) IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ia32)) /* Support sysdeps/i386/i686/multiarch/memchr.S. */ IFUNC_IMPL (i, name, memchr, IFUNC_IMPL_ADD (array, i, memchr, HAS_CPU_FEATURE (SSE2), __memchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, memchr, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __memcmp_sse4_2) IFUNC_IMPL_ADD (array, i, memcmp, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __memmove_chk_ssse3_rep) IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_CPU_FEATURE (SSSE3), __memmove_chk_ssse3) IFUNC_IMPL_ADD (array, i, __memmove_chk, HAS_CPU_FEATURE (SSE2), __memmove_chk_sse2_unaligned) IFUNC_IMPL_ADD (array, i, __memmove_chk, 1, __memmove_chk_ia32)) #endif /* Support sysdeps/i386/i686/multiarch/memmove.S. */ IFUNC_IMPL (i, name, memmove, IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSSE3), __memmove_ssse3_rep) IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSSE3), __memmove_ssse3) IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSE2), __memmove_sse2_unaligned) IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ia32)) /* Support sysdeps/i386/i686/multiarch/memrchr.S. */ IFUNC_IMPL (i, name, memrchr, IFUNC_IMPL_ADD (array, i, memrchr, HAS_CPU_FEATURE (SSE2), __memrchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, memrchr, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE2), __memset_chk_sse2_rep) IFUNC_IMPL_ADD (array, i, __memset_chk, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE2), __memset_sse2_rep) IFUNC_IMPL_ADD (array, i, memset, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE2), __rawmemchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __stpncpy_ssse3) IFUNC_IMPL_ADD (array, i, stpncpy, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __stpcpy_ssse3) IFUNC_IMPL_ADD (array, i, stpcpy, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __strcasecmp_sse4_2) IFUNC_IMPL_ADD (array, i, strcasecmp, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __strcasecmp_l_sse4_2) IFUNC_IMPL_ADD (array, i, strcasecmp_l, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __strcat_ssse3) IFUNC_IMPL_ADD (array, i, strcat, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE2), __strchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, strchr, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __strcmp_sse4_2) IFUNC_IMPL_ADD (array, i, strcmp, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __strcpy_ssse3) IFUNC_IMPL_ADD (array, i, strcpy, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __strncasecmp_sse4_2) IFUNC_IMPL_ADD (array, i, strncasecmp, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __strncasecmp_l_sse4_2) IFUNC_IMPL_ADD (array, i, strncasecmp_l, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __strncat_ssse3) IFUNC_IMPL_ADD (array, i, strncat, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __strncpy_ssse3) IFUNC_IMPL_ADD (array, i, strncpy, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE2), __strrchr_sse2_bsf) IFUNC_IMPL_ADD (array, i, strrchr, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __wmemcmp_sse4_2) IFUNC_IMPL_ADD (array, i, wmemcmp, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __memcpy_chk_ssse3_rep) IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_CPU_FEATURE (SSSE3), __memcpy_chk_ssse3) IFUNC_IMPL_ADD (array, i, __memcpy_chk, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __memcpy_ssse3_rep) IFUNC_IMPL_ADD (array, i, memcpy, HAS_CPU_FEATURE (SSSE3), __memcpy_ssse3) IFUNC_IMPL_ADD (array, i, memcpy, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __mempcpy_chk_ssse3_rep) IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_CPU_FEATURE (SSSE3), __mempcpy_chk_ssse3) IFUNC_IMPL_ADD (array, i, __mempcpy_chk, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSSE3), __mempcpy_ssse3_rep) IFUNC_IMPL_ADD (array, i, mempcpy, HAS_CPU_FEATURE (SSSE3), __mempcpy_ssse3) IFUNC_IMPL_ADD (array, i, mempcpy, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE2), __strlen_sse2_bsf) IFUNC_IMPL_ADD (array, i, strlen, HAS_CPU_FEATURE (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, HAS_CPU_FEATURE (SSE4_2), __strncmp_sse4_2) IFUNC_IMPL_ADD (array, i, strncmp, HAS_CPU_FEATURE (SSSE3), __strncmp_ssse3) IFUNC_IMPL_ADD (array, i, strncmp, 1, __strncmp_ia32)) #endif return i; }
/* Multiple versions of sincosf Copyright (C) 2012-2015 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 <init-arch.h> extern void __sincosf_sse2 (float, float *, float *); extern void __sincosf_ia32 (float, float *, float *); void __sincosf (float, float *, float *); libm_ifunc (__sincosf, HAS_CPU_FEATURE (SSE2) ? __sincosf_sse2 : __sincosf_ia32); weak_alias (__sincosf, sincosf); #define SINCOSF __sincosf_ia32 #include <sysdeps/ieee754/flt-32/s_sincosf.c>
/* Multiple versions of sinf Copyright (C) 2012-2017 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 <init-arch.h> extern float __sinf_sse2 (float); extern float __sinf_ia32 (float); float __sinf (float); libm_ifunc (__sinf, HAS_CPU_FEATURE (SSE2) ? __sinf_sse2 : __sinf_ia32); weak_alias (__sinf, sinf); #define SINF __sinf_ia32 #include <sysdeps/ieee754/flt-32/s_sinf.c>