git: openjdk/jdk: 8318650: Optimized subword gather for x86 targets.

[Jatin Bhateja]

Changeset: 185e711b
Author:    Jatin Bhateja <jbhateja at openjdk.org>
Date:      2024-04-21 23:21:17 +0000
URL:       https://git.openjdk.org/jdk/commit/185e711bfe4c4d013b56e867f85cfb4177b3a2cf

8318650: Optimized subword gather for x86 targets.

Reviewed-by: sviswanathan, epeter, psandoz

! src/hotspot/cpu/aarch64/aarch64_vector.ad
! src/hotspot/cpu/aarch64/matcher_aarch64.hpp
! src/hotspot/cpu/arm/matcher_arm.hpp
! src/hotspot/cpu/ppc/matcher_ppc.hpp
! src/hotspot/cpu/riscv/matcher_riscv.hpp
! src/hotspot/cpu/riscv/riscv_v.ad
! src/hotspot/cpu/s390/matcher_s390.hpp
! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/assembler_x86.hpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp
! src/hotspot/cpu/x86/matcher_x86.hpp
! src/hotspot/cpu/x86/x86.ad
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/vectorIntrinsics.cpp
! src/hotspot/share/opto/vectornode.hpp
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte128Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte256Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte512Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Byte64Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ByteMaxVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ByteVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Short128Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Short256Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Short512Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Short64Vector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ShortMaxVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ShortVector.java
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/X-Vector.java.template
! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/X-VectorBits.java.template
+ test/micro/org/openjdk/bench/jdk/incubator/vector/GatherOperationsBenchmark.java