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