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| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2017-06-21 10:55:12 +0530 |
|---|---|---|
| committer | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2017-06-21 10:55:12 +0530 |
| commit | 43e0ac24c836eed627a75ca932eb7e64698407c6 (patch) | |
| tree | e6d7b37c70e41ff802ab3f3787657de114277f76 /sysdeps/powerpc/powerpc64/multiarch/memchr.c | |
| parent | 99c3eb0f73f8d111efefa82a40910a75691983c6 (diff) | |
| download | glibc-43e0ac24c836eed627a75ca932eb7e64698407c6.tar.gz glibc-43e0ac24c836eed627a75ca932eb7e64698407c6.tar.xz glibc-43e0ac24c836eed627a75ca932eb7e64698407c6.zip | |
powerpc: Optimize memchr for power8
Vectorized loops are used for sizes greater than 32B to improve performance over power7 optimiztion.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch/memchr.c')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/memchr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memchr.c b/sysdeps/powerpc/powerpc64/multiarch/memchr.c index f6f4babc09..fa2cfd5ea6 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/memchr.c +++ b/sysdeps/powerpc/powerpc64/multiarch/memchr.c @@ -23,10 +23,13 @@ extern __typeof (__memchr) __memchr_ppc attribute_hidden; extern __typeof (__memchr) __memchr_power7 attribute_hidden; +extern __typeof (__memchr) __memchr_power8 attribute_hidden; /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle ifunc symbol properly. */ libc_ifunc (__memchr, + (hwcap2 & PPC_FEATURE2_ARCH_2_07) + ? __memchr_power8 : (hwcap & PPC_FEATURE_HAS_VSX) ? __memchr_power7 : __memchr_ppc); |