| %def op_check_cast(): | |
| /* | |
| * Check to see if a cast from one class to another is allowed. | |
| */ | |
| /* check-cast vAA, class//BBBB */ | |
| EXPORT_PC | |
| FETCH w0, 1 // w0<- BBBB | |
| lsr w1, wINST, #8 // w1<- AA | |
| VREG_INDEX_TO_ADDR x1, w1 // w1<- &object | |
| ldr x2, [xFP, #OFF_FP_METHOD] // w2<- method | |
| mov x3, xSELF // w3<- self | |
| bl MterpCheckCast // (index, &obj, method, self) | |
| PREFETCH_INST 2 | |
| cbnz w0, MterpPossibleException | |
| ADVANCE 2 | |
| GET_INST_OPCODE ip // extract opcode from rINST | |
| GOTO_OPCODE ip // jump to next instruction |