JDK-8033792 : AltHashing used jint for imprecise bit shifting
- Type: Bug
- Component: hotspot
- Sub-Component: runtime
- Affected Version: 7,8,9
- Priority: P4
- Status: Closed
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2014-02-06
- Updated: 2014-08-18
- Resolved: 2014-02-11
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| JDK 8 | JDK 9 |
|---|---|
| 8-repo-arm64Fixed | 9 b04Fixed  |
Description
It is not precise when do bit shifting with signed int (jint). In AltHashing, conversion between jint and 'unsigned int' could cause loss of precision. The solution is using juint for operation and before return cast result to jint.
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