From b9d83bf3eb57e1cf8ef785f1a58e13ddf162b6f3 Mon Sep 17 00:00:00 2001 From: Raphael M Zinsly Date: Thu, 12 Nov 2020 13:12:24 -0300 Subject: powerpc: Add optimized strncpy for POWER9 Similar to the strcpy P9 optimization, this version uses VSX to improve performance. Reviewed-by: Matheus Castanho Reviewed-by: Tulio Magno Quites Machado Filho --- sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c') diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index dd54e7d6bb..135326c97a 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -301,6 +301,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strncpy.c. */ IFUNC_IMPL (i, name, strncpy, +#ifdef __LITTLE_ENDIAN__ + IFUNC_IMPL_ADD (array, i, strncpy, + (hwcap2 & PPC_FEATURE2_ARCH_3_00) + && (hwcap & PPC_FEATURE_HAS_VSX), + __strncpy_power9) +#endif IFUNC_IMPL_ADD (array, i, strncpy, hwcap2 & PPC_FEATURE2_ARCH_2_07, __strncpy_power8) -- cgit 1.4.1