1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * String handling functions for PowerPC.
5 * Copyright (C) 1996 Paul Mackerras.
7 #include <ppc_asm.tmpl>
8 #include <linux/errno.h>
30 bdnzf 2,1b /* dec ctr, branch if ctr != 0 && !cr0.eq */
80 rlwinm r0,r5,32-2,2,31
102 rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
105 beq 2f /* if less than 8 bytes to do */
106 andi. r0,r6,3 /* get dest word aligned */
137 rlwinm. r7,r5,32-3,3,31
142 .globl backwards_memcpy
144 rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
174 rlwinm. r7,r5,32-3,3,31