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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:24 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:24 +0200 |
| commit | 88eefd344b3cf4a41284a1dfdaca61667e3a1b4b (patch) | |
| tree | e6df6d058a7fe251cadaed11918374df46ca7bb9 /sysdeps/s390/multiarch/rawmemchr-c.c | |
| parent | b4c21601b147efc3c2b0e679e4ffc554b3987f0b (diff) | |
S390: Optimize memchr, rawmemchr and wmemchr.
This patch provides optimized versions of memchr, rawmemchr and wmemchr with the
z13 vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/memchr-vx.S: New File.
* sysdeps/s390/multiarch/memchr.c: Likewise.
* sysdeps/s390/multiarch/rawmemchr-c.c: Likewise.
* sysdeps/s390/multiarch/rawmemchr-vx.S: Likewise.
* sysdeps/s390/multiarch/rawmemchr.c: Likewise.
* sysdeps/s390/multiarch/wmemchr-c.c: Likewise.
* sysdeps/s390/multiarch/wmemchr-vx.S: Likewise.
* sysdeps/s390/multiarch/wmemchr.c: Likewise.
* sysdeps/s390/s390-32/multiarch/memchr.c: Likewise.
* sysdeps/s390/s390-64/multiarch/memchr.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add memchr, wmemchr
and rawmemchr functions.
* sysdeps/s390/multiarch/ifunc-impl-list-common.c
(__libc_ifunc_impl_list_common): Add ifunc test for memchr, rawmemchr
and wmemchr.
* wcsmbs/wmemchr.c: Use WMEMCHR if defined.
* string/test-memchr.c: Add wmemchr support.
* wcsmbs/test-wmemchr.c: New File.
* wcsmbs/Makefile (strop-tests): Add wmemchr.
* benchtests/bench-memchr.c: Add wmemchr support.
* benchtests/bench-wmemchr.c: New File.
* benchtests/Makefile (wcsmbs-bench): wmemchr.
Diffstat (limited to 'sysdeps/s390/multiarch/rawmemchr-c.c')
| -rw-r--r-- | sysdeps/s390/multiarch/rawmemchr-c.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/rawmemchr-c.c b/sysdeps/s390/multiarch/rawmemchr-c.c new file mode 100644 index 0000000000..a85e83f8c0 --- /dev/null +++ b/sysdeps/s390/multiarch/rawmemchr-c.c @@ -0,0 +1,34 @@ +/* Default rawmemchr implementation for S/390. + 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> + +# define RAWMEMCHR __rawmemchr_c +# undef weak_alias +# define weak_alias(a, b) +# ifdef SHARED +# undef libc_hidden_def +# define libc_hidden_def(name) \ + __hidden_ver1 (__rawmemchr_c, __GI___rawmemchr, __rawmemchr_c); +# endif /* SHARED */ + +extern __typeof (rawmemchr) __rawmemchr_c attribute_hidden; + +# include <string/rawmemchr.c> +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */ |