powerpc: strcmp optimization for power9
authorRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Thu, 1 Dec 2016 06:05:43 +0000 (11:35 +0530)
committerRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Thu, 1 Dec 2016 06:05:43 +0000 (11:35 +0530)
commit80ab6401a9bb566de940cc6a5fb7a6af650f17b9
treec0fa2ad29f79c73d307241efca599a43834b71c1
parentb2491db6c814d614acdef9d7a4e44a8c3b3ae9dc
powerpc: strcmp optimization for power9

Vectorized loops are used for strings > 32B when compared
to power8 optimization.

Tested on power9 ppc64le simulator.
ChangeLog
sysdeps/powerpc/powerpc64/multiarch/Makefile
sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
sysdeps/powerpc/powerpc64/multiarch/strcmp-power9.S [new file with mode: 0644]
sysdeps/powerpc/powerpc64/multiarch/strcmp.c
sysdeps/powerpc/powerpc64/power9/strcmp.S [new file with mode: 0644]