X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Flib%2FU1memcpy.S;h=fffec2e3cef8ea7887e183003fe096537aec4f08;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=06a5bd262643bf20027aab7e83d5157013bc75ea;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/arch/sparc64/lib/U1memcpy.S b/arch/sparc64/lib/U1memcpy.S
index 06a5bd262..fffec2e3c 100644
--- a/arch/sparc64/lib/U1memcpy.S
+++ b/arch/sparc64/lib/U1memcpy.S
@@ -119,6 +119,9 @@
 	.globl		FUNC_NAME
 	.type		FUNC_NAME,#function
 FUNC_NAME:		/* %o0=dst, %o1=src, %o2=len */
+	srlx		%o2, 31, %g2
+	cmp		%g2, 0
+	tne		%xcc, 5
 	PREAMBLE
 	mov		%o0, %g5
 	cmp		%o2, 0