ref: f0ac2d01765f938a4f3656efef440cf2c1bca69d dir: /sys/src/libc/68020/strcat.s/
TEXT strcat(SB), $0 MOVL s1+0(FP), A2 MOVL s2+4(FP), A1 l1: TSTB (A2)+ BNE l1 MOVB (A1)+, -1(A2) BEQ done l2: MOVB (A1)+, (A2)+ BNE l2 done: MOVL s1+0(FP), R0 RTS