diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 3 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/strcmp-power8.S | 40 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/strcmp.c | 7 |
4 files changed, 49 insertions, 3 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index 18d337843c..ec4fca7c59 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -18,7 +18,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ strrchr-power7 strrchr-ppc64 strncat-power7 strncat-ppc64 \ strncpy-power7 strncpy-ppc64 \ stpncpy-power8 stpncpy-power7 stpncpy-ppc64 \ - strcmp-power7 strcmp-ppc64 \ + strcmp-power8 strcmp-power7 strcmp-ppc64 \ strcat-power8 strcat-power7 strcat-ppc64 memmove-power7 \ memmove-ppc64 bcopy-ppc64 strncpy-power8 diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index 132cb13eac..2c03060d4e 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -301,6 +301,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/strcmp.c. */ IFUNC_IMPL (i, name, strcmp, IFUNC_IMPL_ADD (array, i, strcmp, + hwcap2 & PPC_FEATURE2_ARCH_2_07, + __strcmp_power8) + IFUNC_IMPL_ADD (array, i, strcmp, hwcap & PPC_FEATURE_HAS_VSX, __strcmp_power7) IFUNC_IMPL_ADD (array, i, strcmp, 1, diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp-power8.S b/sysdeps/powerpc/powerpc64/multiarch/strcmp-power8.S new file mode 100644 index 0000000000..dc4bfac9ee --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp-power8.S @@ -0,0 +1,40 @@ +/* Optimized strcmp implementation for POWER8/PPC64. + Copyright (C) 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 <sysdep.h> + +#undef EALIGN +#define EALIGN(name, alignt, words) \ + .section ".text"; \ + ENTRY_2(__strcmp_power8) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + BODY_LABEL(__strcmp_power8): \ + cfi_startproc; \ + LOCALENTRY(__strcmp_power8) + +#undef END +#define END(name) \ + cfi_endproc; \ + TRACEBACK(__strcmp_power8) \ + END_2(__strcmp_power8) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include <sysdeps/powerpc/powerpc64/power8/strcmp.S> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c index 9b2922f644..b45ba1f54d 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c +++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c @@ -23,9 +23,12 @@ extern __typeof (strcmp) __strcmp_ppc attribute_hidden; extern __typeof (strcmp) __strcmp_power7 attribute_hidden; +extern __typeof (strcmp) __strcmp_power8 attribute_hidden; libc_ifunc (strcmp, - (hwcap & PPC_FEATURE_HAS_VSX) - ? __strcmp_power7 + (hwcap2 & PPC_FEATURE2_ARCH_2_07) + ? __strcmp_power8 : + (hwcap & PPC_FEATURE_HAS_VSX) + ? __strcmp_power7 : __strcmp_ppc); #endif |