1 /* 2 * Return the length of an array. 3 */ 4 lsr w1, wINST, #12 // w1<- B 5 ubfx w2, wINST, #8, #4 // w2<- A 6 GET_VREG w0, w1 // w0<- vB (object ref) 7 cbz w0, common_errNullObject // yup, fail 8 FETCH_ADVANCE_INST 1 // advance rPC, load rINST 9 ldr w3, [x0, #MIRROR_ARRAY_LENGTH_OFFSET] // w3<- array length 10 GET_INST_OPCODE ip // extract opcode from rINST 11 SET_VREG w3, w2 // vB<- length 12 GOTO_OPCODE ip // jump to next instruction 13
