diff options
Diffstat (limited to 'lib/libc/arm/string/strncmp.S')
-rw-r--r-- | lib/libc/arm/string/strncmp.S | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/lib/libc/arm/string/strncmp.S b/lib/libc/arm/string/strncmp.S deleted file mode 100644 index fce0159..0000000 --- a/lib/libc/arm/string/strncmp.S +++ /dev/null @@ -1,54 +0,0 @@ -/* $NetBSD: strncmp.S,v 1.2 2003/04/05 23:08:52 bjh21 Exp $ */ - -/* - * Copyright (c) 2002 ARM Ltd - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the company may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <machine/asm.h> - -__FBSDID("$FreeBSD$"); - -ENTRY(strncmp) -/* if (len == 0) return 0 */ - cmp r2, #0 - moveq r0, #0 - moveq pc, lr - -/* ip == last src address to compare */ - adds ip, r0, r2 -/* Use last possible address on overflow. */ - movcs ip, #0 - sub ip, ip, #1 -1: - ldrb r2, [r0], #1 - ldrb r3, [r1], #1 - cmp ip, r0 - cmpcs r2, #1 - cmpcs r2, r3 - beq 1b - sub r0, r2, r3 - RET |