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Type:
Bug
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Resolution: Fixed
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Priority:
P3
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Affects Version/s: 8u60, 9
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Component/s: hotspot
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b64
| Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
|---|---|---|---|---|---|---|
| JDK-8082629 | emb-9 | Vladimir Ivanov | P3 | Resolved | Fixed | team |
| JDK-8086498 | 8u65 | Vladimir Ivanov | P3 | Resolved | Fixed | b01 |
| JDK-8074549 | 8u60 | Vladimir Ivanov | P3 | Resolved | Fixed | b14 |
| JDK-8137543 | emb-8u65 | Unassigned | P3 | Resolved | Fixed | b01 |
| JDK-8079946 | emb-8u60 | Vladimir Ivanov | P3 | Resolved | Fixed | team |
MethodHandleImpl::profileBoolean doesn't update never-taken branch count when hitting a deopt on it.
As a result, for rarely taken branches consequent compilations consider them as never-taken and prune them again, causing repeated deopts. It severely affects peak performance.
As a result, for rarely taken branches consequent compilations consider them as never-taken and prune them again, causing repeated deopts. It severely affects peak performance.
- backported by
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JDK-8074549 Never-taken branches cause repeated deopts in MHs.GWT case
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- Resolved
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- Resolved
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- Resolved
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- Resolved
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- Resolved
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