JDK-8212243 : More gc interface tweaks for arraycopy
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 12
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2018-10-16
- Updated: 2019-10-22
- Resolved: 2018-11-06
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| JDK 12 |
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12 b19Fixed  |
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Description
- when an arraycopy is turned into loads/stores and the field or element being copied is a reference. In that case, barriers may have to be applied. - when a clone is expanded into a stub call. In that case a postbarrier may be required. That one is only required when a reference field or element may be encountered. That's where the ciInstanceKlass changes come in.
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