diff --git a/arch/sparc64/lib/memmove.S b/arch/sparc64/lib/memmove.S
new file mode 100644
index 0000000..9739580
--- /dev/null
+++ b/arch/sparc64/lib/memmove.S
@@ -0,0 +1,31 @@
+/* memmove.S: Simple memmove implementation.
+ *
+ * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1996, 1997, 1998, 1999 Jakub Jelinek (jj@ultra.linux.cz)
+ */
+
+	.text
+	.align		32
+	.globl		memmove
+	.type		memmove,#function
+memmove:		/* o0=dst o1=src o2=len */
+	mov		%o0, %g1
+	cmp		%o0, %o1
+	bleu,pt		%xcc, memcpy
+	 add		%o1, %o2, %g7
+	cmp		%g7, %o0
+	bleu,pt		%xcc, memcpy
+	 add		%o0, %o2, %o5
+	sub		%g7, 1, %o1
+
+	sub		%o5, 1, %o0
+1:	ldub		[%o1], %g7
+	subcc		%o2, 1, %o2
+	sub		%o1, 1, %o1
+	stb		%g7, [%o0]
+	bne,pt		%icc, 1b
+	 sub		%o0, 1, %o0
+
+	retl
+	 mov		%g1, %o0
+	.size		memmove, .-memmove