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| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2014-03-03 08:06:41 -0600 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-03-03 08:06:41 -0600 |
| commit | c7debbdfacbef150aaf9113eb05ccaf2b9e7af6c (patch) | |
| tree | baf78c9b58faa86b3996ae3745cb81fd50e2fb58 /ChangeLog | |
| parent | 235eed8644eb2deebf839b13b418dbd47bb14c5a (diff) | |
| download | glibc-c7debbdfacbef150aaf9113eb05ccaf2b9e7af6c.tar.gz glibc-c7debbdfacbef150aaf9113eb05ccaf2b9e7af6c.tar.xz glibc-c7debbdfacbef150aaf9113eb05ccaf2b9e7af6c.zip | |
PowerPC: strrchr optimization for POWER7/PPC64
This patch optimizes strrchr() for ppc64. It uses aligned memory access along with cmpb instruction and CPU prefetch to avoid cache misses for speed improvement.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 45eb5ab5a5..b4a7daacbe 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,15 @@ +2014-03-03 Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> + + * sysdeps/powerpc/powerpc64/power7/strrchr.S: New file. + * sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strrchr multiarch + implementation. + * sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c: + (__libc_ifunc_impl_list): Likewise. + * sysdeps/powerpc/powerpc64/multiarch/strrchr.c: New file. + * sysdeps/powerpc/powerpc64/multiarch/strrchr-ppc64.c: New file. + * sysdeps/powerpc/powerpc64/multiarch/strrchr-power7.S: New file. + * string/strrchr.c: Define STRRCHR. + 2014-02-28 Ondřej Bílka <neleai@seznam.cz> * benchtest/bench-strtok.c (simple_strtok): Delete. |