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S390: Optimize strncat wcsncat.

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This patch provides optimized versions of strncat and wcsncat with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strncat-c.c: New File.
	* sysdeps/s390/multiarch/strncat-vx.S: Likewise.
	* sysdeps/s390/multiarch/strncat.c: Likewise.
	* sysdeps/s390/multiarch/wcsncat-c.c: Likewise.
	* sysdeps/s390/multiarch/wcsncat-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcsncat.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strncat and
	wcsncat functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strncat, wcsncat.
	* wcsmbs/wcsncat.c (WCSNCAT): Define and use macro.
	* string/test-strncat.c: Add wcsncat support.
	* wcsmbs/test-wcsncat.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcsncat.
	* benchtests/bench-strncat.c: Add wcsncat support.
	* benchtests/bench-wcsncat.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcsncat.
This commit is contained in:
Stefan Liebler
2015-08-26 10:26:22 +02:00
committed by Andreas Krebbel
parent d626a24f23
commit e1fe91180e
16 changed files with 824 additions and 91 deletions
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3
sysdeps/s390/multiarch/ifunc-impl-list.c
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@@ -100,6 +100,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
IFUNC_VX_IMPL (strcat);
IFUNC_VX_IMPL (wcscat);
IFUNC_VX_IMPL (strncat);
IFUNC_VX_IMPL (wcsncat);
#endif /* HAVE_S390_VX_ASM_SUPPORT */
return i;