1 %default { "store":"str", "shift":"2", "data_offset":"MIRROR_INT_ARRAY_DATA_OFFSET" } 2 /* 3 * Array put, 32 bits or less. vBB[vCC] <- vAA. 4 * 5 * Note: using the usual FETCH/and/shift stuff, this fits in exactly 17 6 * instructions. We use a pair of FETCH_Bs instead. 7 * 8 * for: aput, aput-boolean, aput-byte, aput-char, aput-short 9 * 10 * NOTE: this assumes data offset for arrays is the same for all non-wide types. 11 * If this changes, specialize. 12 */ 13 /* op vAA, vBB, vCC */ 14 FETCH_B w2, 1, 0 // w2<- BB 15 lsr w9, wINST, #8 // w9<- AA 16 FETCH_B w3, 1, 1 // w3<- CC 17 GET_VREG w0, w2 // w0<- vBB (array object) 18 GET_VREG w1, w3 // w1<- vCC (requested index) 19 cbz w0, common_errNullObject // bail if null 20 ldr w3, [x0, #MIRROR_ARRAY_LENGTH_OFFSET] // w3<- arrayObj->length 21 add x0, x0, w1, lsl #$shift // w0<- arrayObj + index*width 22 cmp w1, w3 // compare unsigned index, length 23 bcs common_errArrayIndex // index >= length, bail 24 FETCH_ADVANCE_INST 2 // advance rPC, load rINST 25 GET_VREG w2, w9 // w2<- vAA 26 GET_INST_OPCODE ip // extract opcode from rINST 27 $store w2, [x0, #$data_offset] // vBB[vCC]<- w2 28 GOTO_OPCODE ip // jump to next instruction 29
