shithub: riscv

ref: c3938067180ed707828cdbcd0b2d430a13323dd9
dir: /sys/src/ape/lib/ap/68020/memcmp.s/

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	TEXT	memcmp(SB),$0
	MOVL	n+8(FP),R0
	BEQ	ret
	MOVL	s1+0(FP),A2
	MOVL	s2+4(FP),A1

l1:	CMPB	(A1)+,(A2)+
	BNE	neq
	SUBL	$1,R0
	BNE	l1
	RTS

neq:	BCS	gtr
	MOVL	$-1,R0
	RTS

gtr:	MOVL	$1,R0
ret:	RTS