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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:23 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:23 +0200 |
| commit | d23d4ef19f1f5463745f2af205acb8c4975fd680 (patch) | |
| tree | 3be88b35f969e9163d18731b5db13e1bf398f737 /sysdeps/s390/multiarch/strchrnul.c | |
| parent | cf150d45a97c6bb8410d6d3acf6e1560e8fe96cc (diff) | |
| download | glibc-d23d4ef19f1f5463745f2af205acb8c4975fd680.tar.gz glibc-d23d4ef19f1f5463745f2af205acb8c4975fd680.tar.xz glibc-d23d4ef19f1f5463745f2af205acb8c4975fd680.zip | |
S390: Optimize strchrnul and wcschrnul.
This patch provides optimized versions of strchrnul and wcschrnul with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/strchrnul-c.c: New File. * sysdeps/s390/multiarch/strchrnul-vx.S: Likewise. * sysdeps/s390/multiarch/strchrnul.c: Likewise. * sysdeps/s390/multiarch/wcschrnul-c.c: Likewise. * sysdeps/s390/multiarch/wcschrnul-vx.S: Likewise. * sysdeps/s390/multiarch/wcschrnul.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strchrnul and wcschrnul functions. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for strchrnul, wcschrnul. * wcsmbs/wcschrnul.c: Use WCSCHRNUL if defined. * string/test-strchr.c: Add wcschrnul support. * wcsmbs/test-wcschrnul.c: New File. * wcsmbs/Makefile (strop-tests): Add wcschrnul. * benchtests/bench-strchr.c: Add wcschrnul support. * benchtests/bench-wcschrnul.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcschrnul.
Diffstat (limited to 'sysdeps/s390/multiarch/strchrnul.c')
| -rw-r--r-- | sysdeps/s390/multiarch/strchrnul.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/strchrnul.c b/sysdeps/s390/multiarch/strchrnul.c new file mode 100644 index 0000000000..652d517948 --- /dev/null +++ b/sysdeps/s390/multiarch/strchrnul.c @@ -0,0 +1,28 @@ +/* Multiple versions of strchrnul. + 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 (__strchrnul) +weak_alias (__strchrnul, strchrnul) + +#else +# include <string/strchrnul.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |