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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:21 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:21 +0200
commit8ade3db78db17e0112648d302f98eda115949cd5 (patch)
tree787e1a2e0d2dd3bc7ad4d7bf067ebb39ec760c05 /wcsmbs
parent680df122ab8a07806cb38d044292896334f76c01 (diff)
downloadglibc-8ade3db78db17e0112648d302f98eda115949cd5.tar.gz
S390: Optimize stpcpy and wcpcpy.
This patch provides optimized versions of stpcpy and wcpcpy with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/stpcpy-c.c: New File. * sysdeps/s390/multiarch/stpcpy-vx.S: Likewise. * sysdeps/s390/multiarch/stpcpy.c: Likewise. * sysdeps/s390/multiarch/wcpcpy-c.c: Likewise. * sysdeps/s390/multiarch/wcpcpy-vx.S: Likewise. * sysdeps/s390/multiarch/wcpcpy.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpcpy and wcpcpy functions. * string/stpcpy.c: Use STPCPY if defined. * wcsmbs/wcpcpy.c: Use WCPCPY if defined. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for stpcpy, wcpcpy. * string/test-stpcpy.c: Add wcpcpy support. * wcsmbs/test-wcpcpy.c: New File. * wcsmbs/Makefile (strop-tests): Add wcpcpy. * benchtests/bench-stpcpy.c: Add wcpcpy support. * benchtests/bench-wcpcpy.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcpcpy.
Diffstat (limited to 'wcsmbs')
-rw-r--r--wcsmbs/Makefile3
-rw-r--r--wcsmbs/test-wcpcpy.c20
-rw-r--r--wcsmbs/wcpcpy.c6
3 files changed, 27 insertions, 2 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 3858d7416f..1112e05a62 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -42,7 +42,8 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
isoc99_swscanf isoc99_vswscanf \
mbrtoc16 c16rtomb
-strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen
+strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \
+ wcpcpy
tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \
tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests))
diff --git a/wcsmbs/test-wcpcpy.c b/wcsmbs/test-wcpcpy.c
new file mode 100644
index 0000000000..2cf91a11ca
--- /dev/null
+++ b/wcsmbs/test-wcpcpy.c
@@ -0,0 +1,20 @@
+/* Test wcspcpy functions.
+ 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/>. */
+
+#define WIDE 1
+#include "../string/test-stpcpy.c"
diff --git a/wcsmbs/wcpcpy.c b/wcsmbs/wcpcpy.c
index 1c05bca157..0c8ded32e0 100644
--- a/wcsmbs/wcpcpy.c
+++ b/wcsmbs/wcpcpy.c
@@ -21,7 +21,9 @@
#define __need_ptrdiff_t
#include <stddef.h>
-
+#ifdef WCPCPY
+# define __wcpcpy WCPCPY
+#endif
/* Copy SRC to DEST, returning the address of the terminating L'\0' in
DEST. */
wchar_t *
@@ -43,4 +45,6 @@ __wcpcpy (dest, src)
return wcp;
}
+#ifndef WCPCPY
weak_alias (__wcpcpy, wcpcpy)
+#endif