ref: c4646d63cd5125a9d56058d4e4ada0ab7e2246d5
dir: /sys/src/libc/68020/strcmp.s/
TEXT strcmp(SB), $0 MOVL s1+0(FP), A2 MOVL s2+4(FP), A1 l1: MOVB (A1)+, R0 BEQ end CMPB R0, (A2)+ BEQ l1 BCS gtr MOVL $-1, R0 RTS gtr: MOVL $1, R0 RTS end: TSTB (A2) BNE gtr CLRL R0 RTS