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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-06-07 09:04:40 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-06-07 09:04:40 -0700 |
| commit | 2e87c7d1582461044f8cd983fd9be121cf23803f (patch) | |
| tree | 8354d220ba35192e861e604a6650daaf1976e6e1 /sysdeps/x86_64/multiarch/wcsnlen.c | |
| parent | 8f0a947cf55f3b0c4ebdf06953c57eff67a22fa9 (diff) | |
| download | glibc-2e87c7d1582461044f8cd983fd9be121cf23803f.tar.gz glibc-2e87c7d1582461044f8cd983fd9be121cf23803f.tar.xz glibc-2e87c7d1582461044f8cd983fd9be121cf23803f.zip | |
x86-64: Fold ifunc-sse4_1.h into wcsnlen.c
Since ifunc-sse4_1.h is included only by wcsnlen.c, we can fold it into wcsnlen.c. No code changes in wcsnlen.o. 2017-06-07 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/x86_64/multiarch/ifunc-sse4_1.h: Removed and folded into ... * sysdeps/x86_64/multiarch/wcsnlen.c: Here. Don't include ifunc-sse4_1.h.
Diffstat (limited to 'sysdeps/x86_64/multiarch/wcsnlen.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/wcsnlen.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sysdeps/x86_64/multiarch/wcsnlen.c b/sysdeps/x86_64/multiarch/wcsnlen.c index 5f74d2ce82..304f62eec3 100644 --- a/sysdeps/x86_64/multiarch/wcsnlen.c +++ b/sysdeps/x86_64/multiarch/wcsnlen.c @@ -24,7 +24,21 @@ # undef __wcsnlen # define SYMBOL_NAME wcsnlen -# include "ifunc-sse4_1.h" +# include <init-arch.h> + +extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden; +extern __typeof (REDIRECT_NAME) OPTIMIZE (sse4_1) attribute_hidden; + +static inline void * +IFUNC_SELECTOR (void) +{ + const struct cpu_features* cpu_features = __get_cpu_features (); + + if (CPU_FEATURES_CPU_P (cpu_features, SSE4_1)) + return OPTIMIZE (sse4_1); + + return OPTIMIZE (sse2); +} libc_ifunc_redirected (__redirect_wcsnlen, __wcsnlen, IFUNC_SELECTOR ()); weak_alias (__wcsnlen, wcsnlen); |