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| author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2015-08-26 10:26:21 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2015-08-26 10:26:21 +0200 |
| commit | b3a0c176d1185621c4dd2bb3a51ec961bdb29123 (patch) | |
| tree | f8eebf88cc8fc83747864ac8c3d2bdc174db84f2 /string | |
| parent | d183b96ee6dc694e95f212c9272a178163351b19 (diff) | |
| download | glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.gz glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.tar.bz2 glibc-b3a0c176d1185621c4dd2bb3a51ec961bdb29123.zip | |
S390: Optimize stpncpy and wcpncpy.
This patch provides optimized versions of stpncpy and wcpncpy with the z13
vector instructions.
ChangeLog:
* sysdeps/s390/multiarch/stpncpy-c.c: New File.
* sysdeps/s390/multiarch/stpncpy-vx.S: Likewise.
* sysdeps/s390/multiarch/stpncpy.c: Likewise.
* sysdeps/s390/multiarch/wcpncpy-c.c: Likewise.
* sysdeps/s390/multiarch/wcpncpy-vx.S: Likewise.
* sysdeps/s390/multiarch/wcpncpy.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpncpy and
wcpncpy functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for stpncpy, wcpncpy.
* wcsmbs/wcpncpy.c: Use WCPNCPY if defined.
* string/test-stpncpy.c: Add wcpncpy support.
* wcsmbs/test-wcpncpy.c: New File.
* wcsmbs/Makefile (strop-tests): Add wcpncpy.
* benchtests/bench-stpncpy.c: Add wcpncpy support.
* benchtests/bench-wcpncpy.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcpncpy.
Diffstat (limited to 'string')
| -rw-r--r-- | string/test-stpncpy.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/string/test-stpncpy.c b/string/test-stpncpy.c index 1adab34e57..8624bba119 100644 --- a/string/test-stpncpy.c +++ b/string/test-stpncpy.c @@ -19,18 +19,36 @@ #define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len))) #define TEST_MAIN -#define TEST_NAME "stpncpy" +#ifndef WIDE +# define TEST_NAME "stpncpy" +#else +# define TEST_NAME "wcpncpy" +#endif /* WIDE */ #include "test-string.h" +#ifndef WIDE +# define CHAR char +# define SIMPLE_STPNCPY simple_stpncpy +# define STUPID_STPNCPY stupid_stpncpy +# define STPNCPY stpncpy +# define STRNLEN strnlen +#else +# include <wchar.h> +# define CHAR wchar_t +# define SIMPLE_STPNCPY simple_wcpncpy +# define STUPID_STPNCPY stupid_wcpncpy +# define STPNCPY wcpncpy +# define STRNLEN wcsnlen +#endif /* WIDE */ -char *simple_stpncpy (char *, const char *, size_t); -char *stupid_stpncpy (char *, const char *, size_t); +CHAR *SIMPLE_STPNCPY (CHAR *, const CHAR *, size_t); +CHAR *STUPID_STPNCPY (CHAR *, const CHAR *, size_t); -IMPL (stupid_stpncpy, 0) -IMPL (simple_stpncpy, 0) -IMPL (stpncpy, 1) +IMPL (STUPID_STPNCPY, 0) +IMPL (SIMPLE_STPNCPY, 0) +IMPL (STPNCPY, 1) -char * -simple_stpncpy (char *dst, const char *src, size_t n) +CHAR * +SIMPLE_STPNCPY (CHAR *dst, const CHAR *src, size_t n) { while (n--) if ((*dst++ = *src++) == '\0') @@ -44,10 +62,10 @@ simple_stpncpy (char *dst, const char *src, size_t n) return dst; } -char * -stupid_stpncpy (char *dst, const char *src, size_t n) +CHAR * +STUPID_STPNCPY (CHAR *dst, const CHAR *src, size_t n) { - size_t nc = strnlen (src, n); + size_t nc = STRNLEN (src, n); size_t i; for (i = 0; i < nc; ++i) @@ -57,4 +75,5 @@ stupid_stpncpy (char *dst, const char *src, size_t n) return dst + nc; } +#undef CHAR #include "test-strncpy.c" |