git: openjdk/jdk: master: 8355094: Performance drop in auto-vectorized kernel due to split store

[Emanuel Peter]

Changeset: 277bb208
Branch: master
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2025-05-20 13:51:47 +0000
URL:       https://git.openjdk.org/jdk/commit/277bb208a2c6de888c57285854b6f5d030021f94

8355094: Performance drop in auto-vectorized kernel due to split store

Reviewed-by: vlivanov, thartmann

! src/hotspot/share/opto/c2_globals.hpp
! src/hotspot/share/opto/superword.cpp
+ test/micro/org/openjdk/bench/vm/compiler/VectorAutoAlignment.java
+ test/micro/org/openjdk/bench/vm/compiler/VectorAutoAlignmentVisualization.java