1 /* 2 * Return the length of an array. 3 */ 4 mov r1, rINST, lsr #12 @ r1<- B 5 ubfx r2, rINST, #8, #4 @ r2<- A 6 GET_VREG r0, r1 @ r0<- vB (object ref) 7 cmp r0, #0 @ is object null? 8 beq common_errNullObject @ yup, fail 9 FETCH_ADVANCE_INST 1 @ advance rPC, load rINST 10 ldr r3, [r0, #MIRROR_ARRAY_LENGTH_OFFSET] @ r3<- array length 11 GET_INST_OPCODE ip @ extract opcode from rINST 12 SET_VREG r3, r2 @ vB<- length 13 GOTO_OPCODE ip @ jump to next instruction 14
