TEXT	strcpy(SB), $0 	MOVW	s2+4(FP),R2		/* R2 is from pointer */	MOVW	R1, R3			/* R3 is to pointer */ /* * align 'from' pointer */l1:	AND	$3, R2, R5	ADDU	$1, R2	BEQ	R5, l2	MOVB	-1(R2), R5	ADDU	$1, R3	MOVB	R5, -1(R3)	BNE	R5, l1	RET /* * test if 'to' is also alligned */l2:	AND	$3,R3, R5	BEQ	R5, l4 /* * copy 4 at a time, 'to' not aligned */l3:	MOVW	-1(R2), R4	ADD	$4, R2	ADD	$4, R3	SRL	$24,R4, R5	MOVB	R5, -4(R3)	BEQ	R5, out 	SRL	$16,R4, R5	AND	$0xff, R5	MOVB	R5, -3(R3)	BEQ	R5, out 	SRL	$8,R4, R5	AND	$0xff, R5	MOVB	R5, -2(R3)	BEQ	R5, out 	AND	$0xff,R4, R5	MOVB	R5, -1(R3)	BNE	R5, l3 out:	RET /* * word at a time both aligned */l4:	MOVW	$0xff000000, R7	MOVW	$0x00ff0000, R8 l5:	ADDU	$4, R3	MOVW	-1(R2), R4	/* fetch */ 	ADDU	$4, R2	AND	R7,R4, R5	/* is it byte 0 */	AND	R8,R4, R6	/* is it byte 1 */	BEQ	R5, b0 	AND	$0xff00,R4, R5	/* is it byte 2 */	BEQ	R6, b1 	AND	$0xff,R4, R6	/* is it byte 3 */	BEQ	R5, b2 	MOVW	R4, -4(R3)	/* store */	BNE	R6, l5	JMP	out b0:	MOVB	$0, -4(R3)	JMP	out b1:	SRL	$24, R4	MOVB	R4, -4(R3)	MOVB	$0, -3(R3)	JMP	out b2:	SRL	$24,R4, R5	MOVB	R5, -4(R3)	SRL	$16, R4	MOVB	R4, -3(R3)	MOVB	$0, -2(R3)	JMP	out