Unbreak memcpy(). memcpy() is defined to return the dst argument.

By using r8 instead of r14 to do the swap, we put the dst argument
in the return register. Since bcopy() doesn't clobber r8, we don't
have to do anything else. This fixes ports/textproc/aspell.

lib/libc/ia64/string/memcpy.S

@@ -28,10 +28,9 @@
 __FBSDID("$FreeBSD$");
 
 ENTRY(memcpy,3)
-	
-	mov	r14=in0 ;;
-	mov	in0=in1 ;;
-	mov	in1=r14
-	br.cond.sptk.few bcopy
-	
+	mov	r8 = in0
+	mov	in0 = in1
+	;;
+	mov	in1 = r8
+	br.sptk.few bcopy
 END(memcpy)