shithub: riscv

ref: 990ceeef3bfd9d56e2e6dd39cf5ac185b1a2de08
dir: /sys/src/ape/lib/ap/mips/strcmp.s/

View raw version
TEXT	strcmp(SB), $0

	MOVW	s2+4(FP), R2

l1:
	MOVB	(R2), R3
	MOVB	(R1), R4
	ADDU	$1, R1
	BEQ	R3, end
	ADDU	$1, R2
	BEQ	R3, R4, l1

	SGTU	R4, R3, R1
	BNE	R1, ret
	MOVW	$-1, R1
	RET

end:
	SGTU	R4, R3, R1
ret:
	RET