git: openjdk/jdk: master: 8352587: C2 SuperWord: we must avoid Multiversioning for PeelMainPost loops

[Emanuel Peter]

Changeset: c856b342
Branch: master
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2025-03-25 16:08:57 +0000
URL:       https://git.openjdk.org/jdk/commit/c856b3425a70d2aecb6c5c44da36396a5d74b00d

8352587: C2 SuperWord: we must avoid Multiversioning for PeelMainPost loops

Reviewed-by: chagedorn, kvn

! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/loopopts/superword/TestMultiversionWithPeelMainPost.java
+ test/hotspot/jtreg/compiler/loopopts/superword/TestPeelMainPostNoMultiversioning.java