JDK-6941938 : Improve array equals intrinsic on SPARC
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Affected Version: hs18,9
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: solaris_10
- CPU: sparc
- Submitted: 2010-04-08
- Updated: 2016-05-26
- Resolved: 2016-04-28
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| JDK 9 |
|---|
9 b120Fixed  |
Related Reports
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Description
MacroAssembler::array_equals() currently emits a 4-byte array comparison loop on SPARC but we can do a 8-byte comparison if the array addresses are doubleword aligned. The intrinsic is used for byte/char Arrays.equals() and String.equals().
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