TEXT memmove(SB), $0	MOVQ	RARG, DI	MOVQ	DI, AX			/* return value */	MOVQ	p2+8(FP), SI	MOVL	n+16(FP), BX	CMPL	BX, $0	JGT	_ok	JEQ	_return			/* nothing to do if n == 0 */	MOVL	$0, SI			/* fault if n < 0 */ /* * check and set for backwards: *	(p2 < p1) && ((p2+n) > p1) */_ok:	CMPQ	SI, DI	JGT	_forward	JEQ	_return			/* nothing to do if p2 == p1 */	MOVQ	SI, DX	ADDQ	BX, DX	CMPQ	DX, DI	JGT	_back /* * copy whole longs if aligned */_forward:	CLD	MOVQ	SI, DX	ORQ	DI, DX	ANDL	$3, DX	JNE	c3f	MOVQ	BX, CX	SHRQ	$2, CX	ANDL	$3, BX	REP;	MOVSL /* * copy the rest, by bytes */	JEQ	_return			/* flags set by above ANDL */c3f:	MOVL	BX, CX	REP;	MOVSB 	RET /* * whole thing backwards has * adjusted addresses */_back:	ADDQ	BX, DI	ADDQ	BX, SI	STD	SUBQ	$4, DI	SUBQ	$4, SI/* * copy whole longs, if aligned */	MOVQ	DI, DX	ORQ	SI, DX	ANDL	$3, DX	JNE	c3b	MOVL	BX, CX	SHRQ	$2, CX	ANDL	$3, BX	REP;	MOVSL/* * copy the rest, by bytes */	JEQ	_return			/* flags set by above ANDL */ c3b:	ADDQ	$3, DI	ADDQ	$3, SI	MOVL	BX, CX	REP;	MOVSB _return:	RET