hg: jdk-updates/jdk11u-dev: 8221092: UseAVX=3 has performance degredation on Skylake (X7) processors

[rwestrel at redhat.com]

Changeset: 643e5a73d48a
Author:    vdeshpande
Date:      2019-11-04 10:12 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/643e5a73d48a

8221092: UseAVX=3 has performance degredation on Skylake (X7) processors
Summary: Fix for UseAVX=3 has performance degredation on Skylake (X7) processors
Reviewed-by: kvn

! src/hotspot/cpu/x86/globals_x86.hpp
! src/hotspot/cpu/x86/macroAssembler_x86.cpp
! src/hotspot/cpu/x86/stubGenerator_x86_64.cpp
! src/hotspot/cpu/x86/vm_version_x86.cpp
! src/hotspot/cpu/x86/vm_version_x86.hpp
! src/hotspot/cpu/x86/x86.ad