1 /* 2 * Array get, 64 bits. vAA <- vBB[vCC]. 3 * 4 */ 5 /* aget-wide vAA, vBB, vCC */ 6 lbu a2, 2(rPC) # a2 <- BB 7 lbu a3, 3(rPC) # a3 <- CC 8 srl a4, rINST, 8 # a4 <- AA 9 GET_VREG_U a0, a2 # a0 <- vBB (array object) 10 GET_VREG a1, a3 # a1 <- vCC (requested index) 11 beqz a0, common_errNullObject # bail if null array object 12 lw a3, MIRROR_ARRAY_LENGTH_OFFSET(a0) # a3 <- arrayObj->length 13 dlsa a0, a1, a0, 3 # a0 <- arrayObj + index*width 14 bgeu a1, a3, common_errArrayIndex # unsigned compare: index >= length, bail 15 FETCH_ADVANCE_INST 2 # advance rPC, load rINST 16 lw a2, MIRROR_WIDE_ARRAY_DATA_OFFSET(a0) 17 lw a3, (MIRROR_WIDE_ARRAY_DATA_OFFSET+4)(a0) 18 dinsu a2, a3, 32, 32 # a2 <- vBB[vCC] 19 GET_INST_OPCODE v0 # extract opcode from rINST 20 SET_VREG_WIDE a2, a4 # vAA <- a2 21 GOTO_OPCODE v0 # jump to next instruction 22
