git: openjdk/jdk: master: 8320725: AArch64: C2: Add "requires_strict_order" flag for floating-point add and mul reduction

[Emanuel Peter]

Changeset: 0e4d4a0c
Author:    Bhavana Kilambi <bkilambi at openjdk.org>
Committer: Emanuel Peter <epeter at openjdk.org>
Date:      2024-06-11 07:16:56 +0000
URL:       https://git.openjdk.org/jdk/commit/0e4d4a0c3150c01d927bd69cc578cea053cf16b3

8320725: AArch64: C2: Add "requires_strict_order" flag for floating-point add and mul reduction

Co-authored-by: Eric Liu <eliu at openjdk.org>
Reviewed-by: gli, epeter, aph

! src/hotspot/cpu/aarch64/aarch64_vector.ad
! src/hotspot/cpu/aarch64/aarch64_vector_ad.m4
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/opto/vectorIntrinsics.cpp
! src/hotspot/share/opto/vectornode.cpp
! src/hotspot/share/opto/vectornode.hpp
+ test/hotspot/jtreg/compiler/loopopts/superword/TestVectorFPReduction.java
+ test/hotspot/jtreg/compiler/vectorapi/TestVectorAddMulReduction.java