Add x86-32 optimized wcscmp

git-mirror · Sep 5, 2011 · 1b48c53 · 1b48c53
1 parent 109715e
commit 1b48c53
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Showing 7 changed files with 1,090 additions and 4 deletions.
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,12 @@
+2011-08-29  Liubov Dmitrieva  <liubov.dmitrieva@gmail.com>
+
+	* sysdeps/i386/i686/multiarch/Makefile: (sysdep_routines): Add
+	wcscmp-c wcscmp-sse2
+	* sysdeps/i386/i686/multiarch/wcscmp-c.c: New file.
+	* sysdeps/i386/i686/multiarch/wcscmp.S: New file.
+	* sysdeps/i386/i686/multiarch/wcscmp-sse2.S: New file.
+	* wcsmbs/wcscmp.c: Allow renaming.
+
 2011-09-05  David S. Miller  <davem@davemloft.net>
 
 	* sysdeps/sparc/sparc32/fpu/s_fabsf.S: Use first argument

diff --git a/NEWS b/NEWS
@@ -25,7 +25,7 @@ Version 2.15
 * Improved strcpy, strncpy, stpcpy, stpncpy for SSE2 and SSSE3 on x86-64.
   Contributed by HJ Lu.
 
-* Optimized strcat and strncat on x86-64.
+* Optimized strcat and strncat on x86-64 and optimized wcscmp on x86-32.
   Contributed by Liubov Dmitrieva.
 
 * New interfaces: scandirat, scandirat64

diff --git a/sysdeps/i386/i686/multiarch/Makefile b/sysdeps/i386/i686/multiarch/Makefile
@@ -13,7 +13,8 @@ sysdep_routines += bzero-sse2 memset-sse2 memcpy-ssse3 mempcpy-ssse3 \
 		   strlen-sse2 strlen-sse2-bsf strncpy-c strcpy-ssse3 \
 		   strncpy-ssse3 stpcpy-ssse3 stpncpy-ssse3 strcpy-sse2 \
 		   strncpy-sse2 stpcpy-sse2 stpncpy-sse2 strcat-ssse3 \
-		   strcat-sse2 strncat-ssse3 strncat-sse2 strncat-c
+		   strcat-sse2 strncat-ssse3 strncat-sse2 strncat-c \
+			wcscmp-sse2 wcscmp-c
 ifeq (yes,$(config-cflags-sse4))
 sysdep_routines += strcspn-c strpbrk-c strspn-c strstr-c strcasestr-c
 CFLAGS-varshift.c += -msse4

diff --git a/sysdeps/i386/i686/multiarch/wcscmp-c.c b/sysdeps/i386/i686/multiarch/wcscmp-c.c
@@ -0,0 +1,11 @@
+#ifndef  NOT_IN_libc
+
+# define WCSCMP __wcscmp_ia32
+
+# undef libc_hidden_def
+# define libc_hidden_def(name) \
+  __hidden_ver1 (__wcscmp_ia32, __GI_wcscmp, __wcscmp_ia32);
+#endif
+
+#include "wcsmbs/wcscmp.c"
+