34 lines
479 B
ArmAsm
34 lines
479 B
ArmAsm
/*
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* Written by Matthias Pfaller, 1996
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* Public domain.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: strncmp.S,v 1.1 1996/11/07 07:36:29 matthias Exp $")
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#endif
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/*
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* int
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* strncmp(const char *s1, const char *s2, size_t len)
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*/
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ENTRY(strncmp)
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enter [r4],0
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movd B_ARG2,r0
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cmpqd 0,r0
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beq 1f
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movd B_ARG0,r1
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movd B_ARG1,r2
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movqd 0,r4
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cmpsb u
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bfc 0f
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cmpb 0(r1),0(r2)
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0: movqd 0,r0
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beq 1f
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movqd -1,r0
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blo 1f
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movqd 1,r0
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1: exit [r4]
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ret 0
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