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S390: Optimize strcpy and wcscpy.

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This patch provides optimized versions of strcpy and wcscpy with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strcpy-vx.S: New File.
	* sysdeps/s390/multiarch/strcpy.c: Likewise.
	* sysdeps/s390/multiarch/wcscpy-c.c: Likewise.
	* sysdeps/s390/multiarch/wcscpy-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcscpy.c: Likewise.
	* sysdeps/s390/s390-32/multiarch/strcpy.c: Likewise.
	* sysdeps/s390/s390-64/multiarch/strcpy.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strcpy and
	wcscpy functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strcpy, wcscpy.
	* benchtests/bench-wcscpy.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcscpy.
This commit is contained in:
Stefan Liebler
2015-08-26 10:26:20 +02:00
committed by Andreas Krebbel
parent fcf40ebe26
commit 680df122ab
12 changed files with 382 additions and 3 deletions
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3
sysdeps/s390/multiarch/ifunc-impl-list.c
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@@ -85,6 +85,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
IFUNC_VX_IMPL (strnlen);
IFUNC_VX_IMPL (wcsnlen);
IFUNC_VX_IMPL (strcpy);
IFUNC_VX_IMPL (wcscpy);
#endif /* HAVE_S390_VX_ASM_SUPPORT */
return i;