JDK-8274889 : Intrinsify Vector.expand/compress APIs for X86
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 18
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: x86_64
  • Submitted: 2021-10-07
  • Updated: 2022-04-19
  • Resolved: 2021-10-12
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Other
tbdFixed
Related Reports
Duplicate :  
JDK-8274992 - Apply intrinsic for compress API
Relates :  
JDK-8285041 - [x86] Add mid-end and backend support for crosslane compress and expand operations.
Description
- Common C2 compiler entry point for compress/expand APIs.
- Inline expansion handling and C2 graph creation.
- For X86 current backed support is added for AVX512 which offers direct compress/expand instructions.