2 * string.S - String handling functions for PowerPC.
4 * Copyright (C) 1996 Paul Mackerras.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include "asm/processor.h"
22 #include "asm/ppc_asm.tmpl"
44 bdnzf 2,1b /* dec ctr, branch if ctr != 0 && !cr0.eq */
85 bdnzt 2,1b /* dec ctr, branch if ctr != 0 && cr0.eq */
132 rlwinm r0,r5,32-2,2,31
167 rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
170 beq 2f /* if less than 8 bytes to do */
171 andi. r0,r6,3 /* get dest word aligned */
202 rlwinm. r7,r5,32-3,3,31
207 .globl backwards_memcpy
209 rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
239 rlwinm. r7,r5,32-3,3,31