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[2/6] powerpc: Simplify bcopy default implementation

Message ID 54BFD075.5040005@linux.vnet.ibm.com
State New
Headers show

Commit Message

Adhemerval Zanella Jan. 21, 2015, 4:14 p.m. UTC 
This patch simplify the default bcopy symbol for powerpc64 by just using
memmove instead of implementing using the default bcopy.  Since the
symbol is deprecated, it trades speed by code size.

Tested on powerpc64 and powerpc64le.

--

	* sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c (__bcopy_ppc):
	Rewrite to call __memmove_ppc instead of include default
	implementation.

--
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Patch

diff --git a/sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c b/sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c
index 14ecb9f..eb182b2 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c
@@ -18,8 +18,10 @@ 
 
 #include <string.h>
 
-extern __typeof (bcopy) __bcopy_ppc attribute_hidden;
+extern __typeof (bcopy)   __bcopy_ppc attribute_hidden;
+extern __typeof (memmove) __memmove_ppc attribute_hidden;
 
-#define bcopy __bcopy_ppc
-
-#include <string/bcopy.c>
+void __bcopy_ppc (const void *src, void *dest, size_t n)
+{
+  __memmove_ppc (dest, src, n);
+}