X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Flib%2FU3memcpy.S;h=8fe195a10bbadd6b437e508bf77928ed9d093a37;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=5cde95446e67d10cf9c389bead0dcc0e49ea0b59;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/arch/sparc64/lib/U3memcpy.S b/arch/sparc64/lib/U3memcpy.S
index 5cde95446..8fe195a10 100644
--- a/arch/sparc64/lib/U3memcpy.S
+++ b/arch/sparc64/lib/U3memcpy.S
@@ -80,6 +80,9 @@
 	.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