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S390: Optimize stpcpy and wcpcpy.

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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.
This commit is contained in:
Stefan Liebler
2015-08-26 10:26:21 +02:00
committed by Andreas Krebbel
parent 680df122ab
commit 8ade3db78d
16 changed files with 455 additions and 18 deletions
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3
sysdeps/s390/multiarch/ifunc-impl-list.c
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@@ -88,6 +88,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
IFUNC_VX_IMPL (strcpy);
IFUNC_VX_IMPL (wcscpy);
IFUNC_VX_IMPL (stpcpy);
IFUNC_VX_IMPL (wcpcpy);
#endif /* HAVE_S390_VX_ASM_SUPPORT */
return i;