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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:24 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:24 +0200
commit88eefd344b3cf4a41284a1dfdaca61667e3a1b4b (patch)
treee6df6d058a7fe251cadaed11918374df46ca7bb9 /wcsmbs/wmemchr.c
parentb4c21601b147efc3c2b0e679e4ffc554b3987f0b (diff)
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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 'wcsmbs/wmemchr.c')
-rw-r--r--wcsmbs/wmemchr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/wcsmbs/wmemchr.c b/wcsmbs/wmemchr.c
index 266950c84b..9e8d57bd5d 100644
--- a/wcsmbs/wmemchr.c
+++ b/wcsmbs/wmemchr.c
@@ -18,6 +18,10 @@
#include <wchar.h>
+#ifdef WMEMCHR
+# define __wmemchr WMEMCHR
+#endif
+
wchar_t *
__wmemchr (s, c, n)
const wchar_t *s;