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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:25 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:25 +0200
commit9b593dc3055d44a4179c03050be58a437ae385a1 (patch)
treed27011625b9a9bd1c58e6af469c63c8ad63bbc08 /string/memccpy.c
parent88eefd344b3cf4a41284a1dfdaca61667e3a1b4b (diff)
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S390: Optimize memccpy.
This patch provides optimized versions of memccpy with the z13 vector
instructions.

ChangeLog:

	* sysdeps/s390/multiarch/memccpy-c.c: New File.
	* sysdeps/s390/multiarch/memccpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/memccpy.c: Likewise.
	* sysdeps/s390/multiarch/Makefile
	(sysdep_routines): Add memccpy functions.
	* sysdeps/s390/multiarch/ifunc-impl-list-common.c
	(__libc_ifunc_impl_list_common): Add ifunc test for memccpy.
	* string/memccpy.c: Use MEMCCPY if defined.
Diffstat (limited to 'string/memccpy.c')
-rw-r--r--string/memccpy.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/string/memccpy.c b/string/memccpy.c
index 0987c84aa0..f10dafdb78 100644
--- a/string/memccpy.c
+++ b/string/memccpy.c
@@ -20,6 +20,10 @@
 #undef __memccpy
 #undef memccpy
 
+#ifdef MEMCCPY
+# define __memccpy MEMCCPY
+#endif
+
 /* Copy no more than N bytes of SRC to DEST, stopping when C is found.
    Return the position in DEST one byte past where C was copied, or
    NULL if C was not found in the first N bytes of SRC.  */