| commit | c7debbdfacbef150aaf9113eb05ccaf2b9e7af6c | |
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | |
| Mon, 3 Mar 2014 14:06:41 +0000 (3 08:06 -0600) | ||
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | |
| Mon, 3 Mar 2014 14:06:41 +0000 (3 08:06 -0600) | ||
| tree | baf78c9b58faa86b3996ae3745cb81fd50e2fb58 | treesnapshot (tar.gz zip) |
| parent | 235eed8644eb2deebf839b13b418dbd47bb14c5a | commitdiff |
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.
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.
| ChangeLog | diffblobblamehistory | |
| string/strrchr.c | diffblobblamehistory | |
| sysdeps/powerpc/powerpc64/multiarch/Makefile | diffblobblamehistory | |
| sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | diffblobblamehistory | |
| sysdeps/powerpc/powerpc64/multiarch/strrchr-power7.S | [copied from string/strrchr.c with 55% similarity] | diffblobblamehistory |
| sysdeps/powerpc/powerpc64/multiarch/strrchr-ppc64.c | [copied from string/strrchr.c with 58% similarity] | diffblobblamehistory |
| sysdeps/powerpc/powerpc64/multiarch/strrchr.c | [copied from string/strrchr.c with 56% similarity] | diffblobblamehistory |
| sysdeps/powerpc/powerpc64/power7/strrchr.S | [new file with mode: 0644] | blob |