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/* $OpenBSD: index.S,v 1.4 2005/08/07 11:30:38 espie Exp $ */
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <machine/asm.h>
#ifdef STRCHR
ENTRY(strchr)
#else
ENTRY(index)
#endif
movl 4(%esp),%eax
movb 8(%esp),%cl
.align 2,0x90
L1:
movb (%eax),%dl
cmpb %dl,%cl /* found char??? */
je L2
incl %eax
testb %dl,%dl /* null terminator??? */
jnz L1
xorl %eax,%eax
L2:
ret
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