JDK-8141633 : Implement VarHandles/Unsafe intrinsics on AArch64
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2015-11-06
- Updated: 2016-08-11
- Resolved: 2016-07-07
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| JDK 9 |
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9 b131Fixed  |
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Description
We need to check and implement the missing intrinsics for AArch64. Most intrinsics are handled by platform-independent code, but we need to implement at least CompareAndExchange. See JDK-8148146 for x86 C2 implementation. See JDK-8152753 for x86 C1 implementation. Run hotspot/test/compiler/unsafe/ and jdk/test/java/lang/invoke/VarHandles/ jtregs to verify functionality. See JDK-8080605 for benchmarks to sanity test VarHandles/unsafe performance.
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