Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/loopUnswitch.cpp
src/share/vm/opto/loopUnswitch.cpp
- changeset 2665
- 9dc311b8473e
- parent 2314
- f95d63e2154a
- child 2708
- 1d1603768966
- child 2727
- 08eb13460b3a
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| 2664:3ef1a1866a60 | 2665:9dc311b8473e |
|---|---|
| 107 // Find first invariant test that doesn't exit the loop | 107 // Find first invariant test that doesn't exit the loop |
| 108 LoopNode *head = loop->_head->as_Loop(); | 108 LoopNode *head = loop->_head->as_Loop(); |
| 109 | 109 |
| 110 IfNode* unswitch_iff = find_unswitching_candidate((const IdealLoopTree *)loop); | 110 IfNode* unswitch_iff = find_unswitching_candidate((const IdealLoopTree *)loop); |
| 111 assert(unswitch_iff != NULL, "should be at least one"); | 111 assert(unswitch_iff != NULL, "should be at least one"); |
| 112 | |
| 113 #ifndef PRODUCT | |
| 114 if (TraceLoopOpts) { | |
| 115 tty->print("Unswitch %d ", head->unswitch_count()+1); | |
| 116 loop->dump_head(); | |
| 117 } | |
| 118 #endif | |
| 112 | 119 |
| 113 // Need to revert back to normal loop | 120 // Need to revert back to normal loop |
| 114 if (head->is_CountedLoop() && !head->as_CountedLoop()->is_normal_loop()) { | 121 if (head->is_CountedLoop() && !head->as_CountedLoop()->is_normal_loop()) { |
| 115 head->as_CountedLoop()->set_normal_loop(); | 122 head->as_CountedLoop()->set_normal_loop(); |
| 116 } | 123 } |
