Mercurial > hg > truffle
comparison src/share/vm/opto/parse1.cpp @ 12966:b2ee5dc63353
8024070: C2 needs some form of type speculation
Summary: record unused type profile information with type system, propagate and use it.
Reviewed-by: kvn, twisti
| author | roland |
|---|---|
| date | Wed, 23 Oct 2013 12:40:23 +0200 |
| parents | 3213ba4d3dff |
| children | de6a9e811145 2113136690bc |
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| 12965:8b4bbba322d3 | 12966:b2ee5dc63353 |
|---|---|
| 1099 // Clear out dead values from the debug info. | 1099 // Clear out dead values from the debug info. |
| 1100 kill_dead_locals(); | 1100 kill_dead_locals(); |
| 1101 // Build the FastLockNode | 1101 // Build the FastLockNode |
| 1102 _synch_lock = shared_lock(lock_obj); | 1102 _synch_lock = shared_lock(lock_obj); |
| 1103 } | 1103 } |
| 1104 | |
| 1105 // Feed profiling data for parameters to the type system so it can | |
| 1106 // propagate it as speculative types | |
| 1107 record_profiled_parameters_for_speculation(); | |
| 1104 | 1108 |
| 1105 if (depth() == 1) { | 1109 if (depth() == 1) { |
| 1106 increment_and_test_invocation_counter(Tier2CompileThreshold); | 1110 increment_and_test_invocation_counter(Tier2CompileThreshold); |
| 1107 } | 1111 } |
| 1108 } | 1112 } |