From c8376f3e07602aaef9cb843bb73cb5f2b860634a Mon Sep 17 00:00:00 2001 From: raji Date: Tue, 14 Jun 2016 14:51:16 +0530 Subject: powerpc: strcasecmp/strncasecmp optmization for power8 This implementation utilizes vectors to improve performance compared to current byte by byte implementation for POWER7. The performance improvement is upto 4x. This patch is tested on powerpc64 and powerpc64le. --- .../powerpc/powerpc64/multiarch/strncase-ppc64.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncase-ppc64.c (limited to 'sysdeps/powerpc/powerpc64/multiarch/strncase-ppc64.c') diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase-ppc64.c b/sysdeps/powerpc/powerpc64/multiarch/strncase-ppc64.c new file mode 100644 index 0000000000..c245d775b9 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strncase-ppc64.c @@ -0,0 +1,21 @@ +/* Multiarch strncasecmp for PPC64. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define strncasecmp __strncasecmp_ppc + +#include -- cgit v1.2.3-70-g09d2