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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 /sysdeps/s390/multiarch/wcpcpy.c
parent680df122ab8a07806cb38d044292896334f76c01 (diff)
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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 'sysdeps/s390/multiarch/wcpcpy.c')
-rw-r--r--sysdeps/s390/multiarch/wcpcpy.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/s390/multiarch/wcpcpy.c b/sysdeps/s390/multiarch/wcpcpy.c
new file mode 100644
index 0000000000..53c444486d
--- /dev/null
+++ b/sysdeps/s390/multiarch/wcpcpy.c
@@ -0,0 +1,28 @@
+/* Multiple versions of wcpcpy.
+ 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 <wchar.h>
+# include <ifunc-resolve.h>
+
+s390_vx_libc_ifunc (__wcpcpy)
+weak_alias (__wcpcpy, wcpcpy)
+
+#else
+# include <wcsmbs/wcpcpy.c>
+#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */