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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2015-07-28 17:12:25 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.com>2015-08-11 10:03:10 -0300
commit142e0a9953059bcf5667921f2670efec377be3d5 (patch)
treef24f484833deeee796a02f02a56cc6f89c6ffcae /ChangeLog
parent14362ef154136223b0f77cb0351c31be865ab826 (diff)
downloadglibc-142e0a9953059bcf5667921f2670efec377be3d5.tar.gz
glibc-142e0a9953059bcf5667921f2670efec377be3d5.tar.xz
glibc-142e0a9953059bcf5667921f2670efec377be3d5.zip
powerpc: Use default strcpy optimization for POWER7
This patches uses the default strcpy/stpcpy implementation for
POWER7/PPC64.  This is faster in mostly inputs for benchtests
and for multiarch the implementation uses the POWER7 strlen and
memcpy.

	* string/stpcpy.c (__stpcpy): Use STPCPY to redefine symbol name and
	cleanup macro usage.
	* string/strcpy.c (strcpt): Use STRCPY to redefine symbol name.
	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.S: Remove file.
	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S: Likewise.
	* sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.S: Likewise.
	* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S: Likewise.
	* sysdeps/powerpc/powerpc64/power7/stpcpy.S: Likewise.
	* sysdeps/powerpc/powerpc64/power7/strcpy.S: Likewise.
	* sysdeps/powerpc/powerpc64/power7/strcpy.c: Likewise.
	* sysdeps/powerpc/powerpc64/stpcpy.S: Likewise.
	* sysdeps/powerpc/powerpc64/strcpy.S: Likewise.
	* sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
	[SHARED && IS_IN (libc)]: Include <string/strcpy.c>.
	* sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
	[SHARED && IS_IN (libc)]: Include <string/stpcpy.c>.
	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.c: New file.
	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.c: Likewise.
	* sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.c: Likewise.
	* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.c: Likewise.
	* sysdeps/powerpc/powerpc64/power7/strcpy.c: Likewise.
Diffstat (limited to 'ChangeLog')
-rw-r--r--ChangeLog22
1 files changed, 22 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 3c1f2edeea..9e5db83214 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,27 @@
 2015-08-10  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 
+	* string/stpcpy.c (__stpcpy): Use STPCPY to redefine symbol name and
+	cleanup macro usage.
+	* string/strcpy.c (strcpt): Use STRCPY to redefine symbol name.
+	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.S: Remove file.
+	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S: Likewise.
+	* sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.S: Likewise.
+	* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S: Likewise.
+	* sysdeps/powerpc/powerpc64/power7/stpcpy.S: Likewise.
+	* sysdeps/powerpc/powerpc64/power7/strcpy.S: Likewise.
+	* sysdeps/powerpc/powerpc64/power7/strcpy.c: Likewise.
+	* sysdeps/powerpc/powerpc64/stpcpy.S: Likewise.
+	* sysdeps/powerpc/powerpc64/strcpy.S: Likewise.
+	* sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
+	[SHARED && IS_IN (libc)]: Include <string/strcpy.c>.
+	* sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
+	[SHARED && IS_IN (libc)]: Include <string/stpcpy.c>.
+	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.c: New file.
+	* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.c: Likewise.
+	* sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.c: Likewise.
+	* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.c: Likewise.
+	* sysdeps/powerpc/powerpc64/power7/strcpy.c: Likewise.
+
 	* sysdeps/powerpc/powerpc64/power7/strnlen.S (__strnlen): Add
 	libc_hidden_def.
 	(strnlen): Remove libc_hidden_builtin_def and add libc_hidden_def.