Improved st{r,p}{,n}cpy for SSE2 and SSSE3 on x86-64

git-mirror · Jun 24, 2011 · 8912479 · 8912479
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,20 @@
+2011-06-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add
+	strcpy-ssse3 strncpy-ssse3 stpcpy-ssse3 stpncpy-ssse3
+	strcpy-sse2-unaligned strncpy-sse2-unaligned
+	stpcpy-sse2-unaligned stpncpy-sse2-unaligned.
+	* sysdeps/x86_64/multiarch/stpcpy-sse2-unaligned.S: New file.
+	* sysdeps/x86_64/multiarch/stpcpy-ssse3.S: New file.
+	* sysdeps/x86_64/multiarch/stpncpy-sse2-unaligned.S: New file.
+	* sysdeps/x86_64/multiarch/stpncpy-ssse3.S: New file.
+	* sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: New file.
+	* sysdeps/x86_64/multiarch/strcpy-ssse3.S: New file.
+	* sysdeps/x86_64/multiarch/strncpy-sse2-unaligned.S: New file.
+	* sysdeps/x86_64/multiarch/strncpy-ssse3.S: New file.
+	* sysdeps/x86_64/multiarch/strcpy.S: Remove strcpy with SSSE3.
+	(STRCPY): Support SSE2 and SSSE3 versions.
+
 2011-06-24  Ulrich Drepper  <drepper@gmail.com>
 
 	[BZ #12874]

diff --git a/NEWS b/NEWS
@@ -20,6 +20,9 @@ Version 2.15
 
 * Optimized strcpy, strncpy, stpcpy, stpncpy for SSE2 and SSSE3 on x86-32.
   Contributed by HJ Lu.
+
+* Improved strcpy, strncpy, stpcpy, stpncpy for SSE2 and SSSE3 on x86-64.
+  Contributed by HJ Lu.
 
 Version 2.14
 

diff --git a/sysdeps/x86_64/multiarch/Makefile b/sysdeps/x86_64/multiarch/Makefile
@@ -4,12 +4,15 @@ gen-as-const-headers += ifunc-defines.sym
 endif
 
 ifeq ($(subdir),string)
+
 sysdep_routines += stpncpy-c strncpy-c strcmp-ssse3 strncmp-ssse3 \
 		   strend-sse4 memcmp-sse4 memcpy-ssse3 mempcpy-ssse3 \
 		   memmove-ssse3 memcpy-ssse3-back mempcpy-ssse3-back \
 		   memmove-ssse3-back strcasestr-nonascii strcasecmp_l-ssse3 \
-		   strncase_l-ssse3 strlen-sse4 strlen-no-bsf \
-		   memset-x86-64
+		   strncase_l-ssse3 strlen-sse4 strlen-no-bsf memset-x86-64 \
+		   strcpy-ssse3 strncpy-ssse3 stpcpy-ssse3 stpncpy-ssse3 \
+		   strcpy-sse2-unaligned strncpy-sse2-unaligned \
+		   stpcpy-sse2-unaligned stpncpy-sse2-unaligned
 ifeq (yes,$(config-cflags-sse4))
 sysdep_routines += strcspn-c strpbrk-c strspn-c strstr-c strcasestr-c varshift
 CFLAGS-varshift.c += -msse4

diff --git a/sysdeps/x86_64/multiarch/stpcpy-sse2-unaligned.S b/sysdeps/x86_64/multiarch/stpcpy-sse2-unaligned.S
@@ -0,0 +1,3 @@
+#define USE_AS_STPCPY
+#define STRCPY __stpcpy_sse2_unaligned
+#include "strcpy-sse2-unaligned.S"
diff --git a/sysdeps/x86_64/multiarch/stpcpy-ssse3.S b/sysdeps/x86_64/multiarch/stpcpy-ssse3.S
@@ -0,0 +1,3 @@
+#define USE_AS_STPCPY
+#define STRCPY __stpcpy_ssse3
+#include "strcpy-ssse3.S"
diff --git a/sysdeps/x86_64/multiarch/stpncpy-sse2-unaligned.S b/sysdeps/x86_64/multiarch/stpncpy-sse2-unaligned.S
@@ -0,0 +1,4 @@
+#define USE_AS_STPCPY
+#define USE_AS_STRNCPY
+#define STRCPY __stpncpy_sse2_unaligned
+#include "strcpy-sse2-unaligned.S"
diff --git a/sysdeps/x86_64/multiarch/stpncpy-ssse3.S b/sysdeps/x86_64/multiarch/stpncpy-ssse3.S
@@ -0,0 +1,4 @@
+#define USE_AS_STPCPY
+#define USE_AS_STRNCPY
+#define STRCPY __stpncpy_ssse3
+#include "strcpy-ssse3.S"