JDK-8309204 : Obsolete DoReserveCopyInSuperWord
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 21
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2023-05-31
  • Updated: 2023-10-12
  • Resolved: 2023-10-05
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JDK 22
22 b19Fixed
Related Reports
CSR :  
JDK-8317419 - Obsolete DoReserveCopyInSuperWord
Relates :  
JDK-8308917 - C2 SuperWord::output: assert before bailout with CountedLoopReserveKit
Description
As discussed for JDK-8308917 in:
https://github.com/openjdk/jdk/pull/14168

Should wait for JDK-8308994, as this currently requires CountedLoopReserveKit there.

Requires a CSR for removal of DoReserveCopyInSuperWord: JDK-8317419
Comments
Changeset: 1ed9c76e Author: Emanuel Peter <epeter@openjdk.org> Date: 2023-10-05 07:01:18 +0000 URL: https://git.openjdk.org/jdk/commit/1ed9c76ec8a76592203ce35f240f8753ba49307c
05-10-2023
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/16022 Date: 2023-10-03 07:33:10 +0000
03-10-2023
We can now do this, since the last real usage is removed JDK-8311691: https://github.com/openjdk/jdk/pull/14824/files#diff-8f29dd005a0f949d108687dabb7379c73dfd85cd782da453509dc9b6cb8c9f81L2638
19-09-2023