From e23d3d2690bf63207b1a47e83a94693daebbbfe5 Mon Sep 17 00:00:00 2001 From: Vidya Ranganathan Date: Fri, 6 Jun 2014 07:56:07 -0500 Subject: PowerPC: Optimized strcmp for PPC64/POWER7 Optimization is achieved on 8 byte aligned strings with double word comparison using cmpb instruction. On unaligned strings loop unrolling is applied for Power7 gain. --- ChangeLog | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index 85e631e1f1..4be5547f76 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,15 @@ +2014-06-11 Vidya Ranganathan + + * sysdeps/powerpc/powerpc64/power7/strcmp.S: New file: Optimization. + * sysdeps/powerpc/powerpc64/multiarch/strcmp.c: New file: + multiarch strcmp for PPC64. + * sysdeps/powerpc/powerpc64/multiarch/strcmp-ppc64.S: New file. + * sysdeps/powerpc/powerpc64/multiarch/strcmp-power7.S: New file. + * sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strcmp + multiarch optimizations. + * sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c: + (__libc_ifunc_impl_list): Likewise. + 2014-06-11 Siddhesh Poyarekar * benchtests/scripts/validate_benchout.py: New script. -- cgit v1.2.3