git: openjdk/jdk: master: 8366490: C2 SuperWord: wrong result because CastP2X is missing ctrl and floats over SafePoint creating stale oops

[Emanuel Peter]

Changeset: 2527e9e5
Branch: master
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2025-09-04 06:53:35 +0000
URL:       https://git.openjdk.org/jdk/commit/2527e9e58d770c50e6d807bf1483c6bb07dd3de7

8366490: C2 SuperWord: wrong result because CastP2X is missing ctrl and floats over SafePoint creating stale oops

Reviewed-by: thartmann, chagedorn, mhaessig

! src/hotspot/share/opto/vectorization.cpp
! src/hotspot/share/opto/vectorization.hpp
! src/hotspot/share/opto/vtransform.cpp
! src/hotspot/share/opto/vtransform.hpp
+ test/hotspot/jtreg/compiler/loopopts/superword/TestAliasingCastP2XCtrl.java