git: openjdk/jdk: 8308606: C2 SuperWord: remove alignment checks when not required

[Emanuel Peter]

Changeset: 886ac1c2
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2023-06-21 06:40:50 +0000
URL:       https://git.openjdk.org/jdk/commit/886ac1c261a1b7e91e3981e32810c405a0d90329

8308606: C2 SuperWord: remove alignment checks when not required

Reviewed-by: fgao, kvn, pli

! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/opto/superword.hpp
! test/hotspot/jtreg/compiler/loopopts/superword/TestDependencyOffsets.java
! test/hotspot/jtreg/compiler/vectorization/runner/LoopArrayIndexComputeTest.java
+ test/micro/org/openjdk/bench/vm/compiler/VectorAlignment.java