git: openjdk/jdk: master: 8345125: Aarch64: Add aarch64 backend for Float16 scalar operations

[Hao Sun]

Changeset: 3140de41
Branch: master
Author:    Bhavana Kilambi <bkilambi at openjdk.org>
Committer: Hao Sun <haosun at openjdk.org>
Date:      2025-04-28 08:08:42 +0000
URL:       https://git.openjdk.org/jdk/commit/3140de411bb55604f8a9e2484798098d9d141002

8345125: Aarch64: Add aarch64 backend for Float16 scalar operations

Reviewed-by: aph, haosun

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/aarch64/assembler_aarch64.hpp
! src/hotspot/cpu/aarch64/matcher_aarch64.hpp
! src/hotspot/cpu/aarch64/vm_version_aarch64.hpp
! src/hotspot/os_cpu/linux_aarch64/vm_version_linux_aarch64.cpp
! src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/aarch64/AArch64.java
! test/hotspot/gtest/aarch64/aarch64-asmtest.py
! test/hotspot/gtest/aarch64/asmtest.out.h
! test/hotspot/jtreg/compiler/c2/irTests/ConvF2HFIdealizationTests.java
! test/hotspot/jtreg/compiler/c2/irTests/MulHFNodeIdealizationTests.java
! test/hotspot/jtreg/compiler/c2/irTests/TestFloat16ScalarOperations.java
! test/hotspot/jtreg/compiler/floatingpoint/TestSubNodeFloatDoubleNegation.java
! test/hotspot/jtreg/compiler/lib/ir_framework/test/IREncodingPrinter.java
! test/hotspot/jtreg/compiler/vectorization/TestFloat16VectorConvChain.java