JDK-8325467 : Support methods with many arguments in C2
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 23,25
  • Priority: P4
  • Status: In Progress
  • Resolution: Unresolved
  • Submitted: 2024-02-08
  • Updated: 2025-06-26
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Other
tbdUnresolved
Related Reports
Duplicate :  
JDK-8346707 - String concat with many fields will cause c2 compilation failure
Duplicate :  
JDK-8324839 - Return address mask creation fails with assert(reg < CHUNK_SIZE) failed: sanity
Relates :  
JDK-8342156 - C2: Compilation failure with fewer arguments after JDK-8329032
Relates :  
JDK-8325497 - Investigate C2 issues identified by the "JVM Performance Comparison for JDK 21"
Relates :  
JDK-8237900 - CTW: C2 compilation bails with "unsupported calling sequence" due to too many outgoing arguments
Relates :  
JDK-8360701 - Add bailout when the register allocator interference graph grows unreasonably large
Description
If a method has a large number of arguments, we currently bail out from C2 compilation. See JDK-8237900.
Comments
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/20404 Date: 2024-07-31 12:36:38 +0000
07-08-2024