Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/macro.cpp
src/share/vm/opto/macro.cpp
- changeset 3398
- 9c87bcb3b4dd
- parent 3396
- d12a66fa3820
- child 3406
- e9a5e0a812c8
equal
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inserted
replaced
| 3397:8940fd98d540 | 3398:9c87bcb3b4dd |
|---|---|
| 1501 } | 1501 } |
| 1502 | 1502 |
| 1503 // if we generated only a slow call, we are done | 1503 // if we generated only a slow call, we are done |
| 1504 if (always_slow) { | 1504 if (always_slow) { |
| 1505 // Now we can unhook i_o. | 1505 // Now we can unhook i_o. |
| 1506 call->set_req(TypeFunc::I_O, top()); | 1506 if (result_phi_i_o->outcnt() > 1) { |
| 1507 if (result_phi_i_o->outcnt() == 0) | 1507 call->set_req(TypeFunc::I_O, top()); |
| 1508 _igvn.remove_dead_node(result_phi_i_o); | 1508 } else { |
| 1509 assert(result_phi_i_o->unique_ctrl_out() == call, ""); | |
| 1510 // Case of new array with negative size known during compilation. | |
| 1511 // AllocateArrayNode::Ideal() optimization disconnect unreachable | |
| 1512 // following code since call to runtime will throw exception. | |
| 1513 // As result there will be no users of i_o after the call. | |
| 1514 // Leave i_o attached to this call to avoid problems in preceding graph. | |
| 1515 } | |
| 1509 return; | 1516 return; |
| 1510 } | 1517 } |
| 1511 | 1518 |
| 1512 | 1519 |
| 1513 if (_fallthroughcatchproj != NULL) { | 1520 if (_fallthroughcatchproj != NULL) { |
