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Makefile.inc
(139 B)
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bcopy.S
(144 B)
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bzero.S
(1.62 KB)
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ffs.S
(3.14 KB)
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memcmp.S
(6.08 KB)
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memcpy.S
(224 B)
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memcpy_arm.S
(8.28 KB)
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memcpy_xscale.S
(43.22 KB)
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memmove.S
(13.27 KB)
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memset.S
(7.56 KB)
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strcmp.S
(1.71 KB)
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strlen.S
(2.24 KB)
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strncmp.S
(1.94 KB)
Editing: strncmp.S
/* $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 itt eq moveq r0, #0 moveq pc, lr /* ip == last src address to compare */ adds ip, r0, r2 /* Use last possible address on overflow. */ it cs movcs ip, #0 sub ip, ip, #1 1: ldrb r2, [r0], #1 ldrb r3, [r1], #1 cmp ip, r0 itt cs cmpcs r2, #1 cmpcs r2, r3 beq 1b sub r0, r2, r3 RET END(strncmp) .section .note.GNU-stack,"",%progbits
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