From d183b96ee6dc694e95f212c9272a178163351b19 Mon Sep 17 00:00:00 2001 From: Stefan Liebler Date: Wed, 26 Aug 2015 10:26:21 +0200 Subject: S390: Optimize strncpy and wcsncpy. This patch provides optimized versions of strncpy and wcsncpy with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/strncpy-vx.S: New File. * sysdeps/s390/multiarch/strncpy.c: Likewise. * sysdeps/s390/multiarch/wcsncpy-c.c: Likewise. * sysdeps/s390/multiarch/wcsncpy-vx.S: Likewise. * sysdeps/s390/multiarch/wcsncpy.c: Likewise. * sysdeps/s390/s390-32/multiarch/strncpy.c: Likewise. * sysdeps/s390/s390-64/multiarch/strncpy.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strncpy and wcsncpy functions. * wcsmbs/wcsncpy.c: Use WCSNCPY if defined. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for strncpy, wcsncpy. * string/test-strncpy.c: Add wcsncpy support. * wcsmbs/test-wcsncpy.c: New File. * wcsmbs/Makefile (strop-tests): Add wcsncpy. * benchtests/bench-strncpy.c: Add wcsncpy support. * benchtests/bench-wcsncpy.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcsncpy --- sysdeps/s390/s390-64/multiarch/strncpy.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 sysdeps/s390/s390-64/multiarch/strncpy.c (limited to 'sysdeps/s390/s390-64/multiarch') diff --git a/sysdeps/s390/s390-64/multiarch/strncpy.c b/sysdeps/s390/s390-64/multiarch/strncpy.c new file mode 100644 index 0000000..bc9c336 --- /dev/null +++ b/sysdeps/s390/s390-64/multiarch/strncpy.c @@ -0,0 +1,21 @@ +/* Multiple versions of strncpy. + Copyright (C) 2015 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 + . */ + +/* This wrapper-file is needed, because otherwise file + sysdeps/s390/s390-[32|64]/strncpy.S will be used. */ +#include -- cgit v1.1