glibc/sysdeps/s390/multiarch/stpncpy.c
Stefan Liebler b3a0c176d1 S390: Optimize stpncpy and wcpncpy.
This patch provides optimized versions of stpncpy and wcpncpy with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/stpncpy-c.c: New File.
	* sysdeps/s390/multiarch/stpncpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/stpncpy.c: Likewise.
	* sysdeps/s390/multiarch/wcpncpy-c.c: Likewise.
	* sysdeps/s390/multiarch/wcpncpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcpncpy.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpncpy and
	wcpncpy functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for stpncpy, wcpncpy.
	* wcsmbs/wcpncpy.c: Use WCPNCPY if defined.
	* string/test-stpncpy.c: Add wcpncpy support.
	* wcsmbs/test-wcpncpy.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcpncpy.
	* benchtests/bench-stpncpy.c: Add wcpncpy support.
	* benchtests/bench-wcpncpy.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcpncpy.
2015-08-26 10:26:21 +02:00

29 lines
1.1 KiB
C

/* Multiple versions of stpncpy.
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
<http://www.gnu.org/licenses/>. */
#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
# include <string.h>
# include <ifunc-resolve.h>
s390_vx_libc_ifunc (__stpncpy)
weak_alias (__stpncpy, stpncpy)
#else
# include <string/stpncpy.c>
#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */