ref: a08bf6831f5122fc9bfc6dccf77096f6ac2e4d03
dir: /sys/src/libc/sparc/strcmp.s/
TEXT strcmp(SB), $0 MOVW s2+4(FP), R10 l1: MOVB 0(R7), R8 MOVB 0(R10), R9 ADD $1, R7 ADD $1, R10 CMP R8, R9 BNE l2 CMP R8, $0 BNE l1 MOVW R0, R7 RETURN l2: BLEU l3 MOVW $1, R7 RETURN l3: MOVW $-1, R7 RETURN