Charles.Forsyth20060303a828770d19 years agoHistory
35 lines · 396 B · Assembly
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	TEXT	memset(SB),$0 	CLD	MOVL	p+0(FP), DI	MOVBLZX	c+4(FP), AX	MOVL	n+8(FP), BX/* * if not enough bytes, just copy */	CMPL	BX, $9	JLS	c3/* * build word in AX */	MOVB	AL, AH	MOVL	AX, CX	SHLL	$16, CX	ORL	CX, AX/* * copy whole longs */c1:	MOVL	BX, CX	SHRL	$2, CX	ANDL	$3, BX	REP;	STOSL/* * copy the rest, by bytes */c3:	MOVL	BX, CX	REP;	STOSBret:	MOVL	p+0(FP),AX	RET