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WebSVN – planix.SVN – Blame – /os/branches/feature_fixcpp/sys/src/libc/386/strcpy.s – Rev 2

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	TEXT	strcpy(SB),$0
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	MOVL	$0, AX
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	MOVL	$-1, CX
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	CLD
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/*
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 * find end of second string
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 */
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	MOVL	p2+4(FP), DI
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	REPN;	SCASB
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	MOVL	DI, BX
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	SUBL	p2+4(FP), BX
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/*
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 * copy the memory
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 */
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	MOVL	p1+0(FP), DI
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	MOVL	p2+4(FP), SI
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/*
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 * copy whole longs
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 */
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	MOVL	BX, CX
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	SHRL	$2, CX
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	REP;	MOVSL
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/*
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 * copy the rest, by bytes
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 */
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	ANDL	$3, BX
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	MOVL	BX, CX
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	REP;	MOVSB
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	MOVL	p1+0(FP), AX
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	RET