diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch')
4 files changed, 44 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index cd2b47b403..f46bf50732 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -33,7 +33,7 @@ sysdep_routines += memcpy-power8-cached memcpy-power7 memcpy-a2 memcpy-power6 \ ifneq (,$(filter %le,$(config-machine))) sysdep_routines += strcmp-power9 strncmp-power9 strcpy-power9 stpcpy-power9 \ - rawmemchr-power9 strlen-power9 strncpy-power9 + rawmemchr-power9 strlen-power9 strncpy-power9 stpncpy-power9 endif CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index 135326c97a..8e19ebbf09 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -318,6 +318,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/stpncpy.c. */ IFUNC_IMPL (i, name, stpncpy, +#ifdef __LITTLE_ENDIAN__ + IFUNC_IMPL_ADD (array, i, stpncpy, + (hwcap2 & PPC_FEATURE2_ARCH_3_00) + && (hwcap & PPC_FEATURE_HAS_VSX), + __stpncpy_power9) +#endif IFUNC_IMPL_ADD (array, i, stpncpy, hwcap2 & PPC_FEATURE2_ARCH_2_07, __stpncpy_power8) diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpncpy-power9.S b/sysdeps/powerpc/powerpc64/multiarch/stpncpy-power9.S new file mode 100644 index 0000000000..1188bd0894 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/stpncpy-power9.S @@ -0,0 +1,29 @@ +/* Optimized stpncpy implementation for POWER9 LE. + Copyright (C) 2020 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 + <https://www.gnu.org/licenses/>. */ + +#define STPNCPY __stpncpy_power9 + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#define MEMSET __memset_power8 +#ifdef SHARED +# define MEMSET_is_local +#endif + +#include <sysdeps/powerpc/powerpc64/le/power9/stpncpy.S> diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c index 17df886431..3758f29ad1 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c +++ b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c @@ -26,10 +26,18 @@ extern __typeof (__stpncpy) __stpncpy_ppc attribute_hidden; extern __typeof (__stpncpy) __stpncpy_power7 attribute_hidden; extern __typeof (__stpncpy) __stpncpy_power8 attribute_hidden; +# ifdef __LITTLE_ENDIAN__ +extern __typeof (__stpncpy) __stpncpy_power9 attribute_hidden; +# endif # undef stpncpy # undef __stpncpy libc_ifunc_redirected (__redirect___stpncpy, __stpncpy, +# ifdef __LITTLE_ENDIAN__ + (hwcap2 & PPC_FEATURE2_ARCH_3_00) && + (hwcap & PPC_FEATURE_HAS_VSX) + ? __stpncpy_power9 : +# endif (hwcap2 & PPC_FEATURE2_ARCH_2_07) ? __stpncpy_power8 : (hwcap & PPC_FEATURE_HAS_VSX) |