ref: d46099e3afa9681a4f98e0d2574c2ad65820ed7e 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