git: openjdk/jdk: 8269878: Handle redundant reg-2-reg moves in X86 backend

[Jatin Bhateja]

Changeset: c3a42edd
Author:    Jatin Bhateja <jbhateja at openjdk.org>
Date:      2021-07-12 11:36:14 +0000
URL:       https://git.openjdk.java.net/jdk/commit/c3a42eddecf29b203a6397519b5643d5f3e2fd28

8269878: Handle redundant reg-2-reg moves in X86 backend

Reviewed-by: kvn, vlivanov

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/arm/arm.ad
! src/hotspot/cpu/ppc/ppc.ad
! src/hotspot/cpu/s390/s390.ad
! src/hotspot/cpu/x86/x86.ad
! src/hotspot/cpu/x86/x86_32.ad
! src/hotspot/cpu/x86/x86_64.ad
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/matcher.hpp