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