git: openjdk/jdk: master: 8340093: C2 SuperWord: implement cost model

[Emanuel Peter]

Changeset: 72989e0f
Branch: master
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2025-11-10 15:56:49 +0000
URL:       https://git.openjdk.org/jdk/commit/72989e0fac7dae1bfec40e3017ba89aa201cc8ee

8340093: C2 SuperWord: implement cost model

Reviewed-by: kvn, qamai

! src/hotspot/cpu/aarch64/aarch64_vector.ad
! src/hotspot/cpu/aarch64/aarch64_vector_ad.m4
! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/opto/superword.hpp
! src/hotspot/share/opto/traceAutoVectorizationTag.hpp
! 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/c2/cr7200264/TestIntVect.java
! test/hotspot/jtreg/compiler/loopopts/superword/TestAutoVectorizationOverrideProfitability.java
+ test/hotspot/jtreg/compiler/loopopts/superword/TestReductions.java
! test/micro/org/openjdk/bench/vm/compiler/VectorReduction2.java