JDK-7059034 : Use movxtod/movdtox on T4
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Affected Version: hs23
- Priority: P4
- Status: Closed
- Resolution: Fixed
- OS: generic
- CPU: sparc
- Submitted: 2011-06-24
- Updated: 2011-11-25
- Resolved: 2011-09-30
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Unresolved : Release in which this issue/RFE will be addressed.
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Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
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| JDK 7 | JDK 8 | Other |
|---|---|---|
7u2Fixed  |
8Fixed |
hs22Fixed |
Description
Use movxtod/movdtox on T4 to move data between general and float registers. The latency of these instructions is only one cycle on T4. Currently VM uses stack for such moves on Sparc.
Comments
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