git: openjdk/jdk: 8282711: Accelerate Math.signum function for AVX and AVX512 target.

[Jatin Bhateja]

Changeset: e4066628
Author:    Jatin Bhateja <jbhateja at openjdk.org>
Date:      2022-04-29 06:34:09 +0000
URL:       https://git.openjdk.java.net/jdk/commit/e4066628ad7765082391433d64461eef66b5f508

8282711: Accelerate Math.signum function for AVX and AVX512 target.

Reviewed-by: sviswanathan, thartmann

! src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp
! src/hotspot/cpu/x86/x86.ad
! src/hotspot/share/adlc/formssel.cpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/opto/vectornode.cpp
! src/hotspot/share/opto/vectornode.hpp
! test/hotspot/jtreg/compiler/c2/cr6340864/TestDoubleVect.java
! test/hotspot/jtreg/compiler/c2/cr6340864/TestFloatVect.java
+ test/hotspot/jtreg/compiler/vectorization/TestSignumVector.java
+ test/micro/org/openjdk/bench/java/math/VectorSignum.java