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| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2017-05-18 11:21:20 +0530 |
|---|---|---|
| committer | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2017-05-18 11:21:20 +0530 |
| commit | dec4a7105edcdbabdcac5f358f5bc5dca4f4ed1b (patch) | |
| tree | c78b15dd4749c73465a65cd087ff26ebbff93d3c /sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | |
| parent | 477bf19a590b6e6de65f326cb00dcb8999fa8b26 (diff) | |
| download | glibc-dec4a7105edcdbabdcac5f358f5bc5dca4f4ed1b.tar.gz glibc-dec4a7105edcdbabdcac5f358f5bc5dca4f4ed1b.tar.xz glibc-dec4a7105edcdbabdcac5f358f5bc5dca4f4ed1b.zip | |
powerpc: Improve memcmp performance for POWER8
Vectorization improves performance over the current implementation. Tested on powerpc64 and powerpc64le.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index 107ffe6416..eb173f8b05 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -146,6 +146,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */ IFUNC_IMPL (i, name, memcmp, + IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07, + __memcmp_power8) IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX, __memcmp_power7) IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_POWER4, |