hg: jdk/sandbox: 8235510: java.util.zip.CRC32 performance drop after 8200067

[chris.hegarty at oracle.com]

Changeset: c9adad6d7055
Author:    sviswanathan
Date:      2019-12-06 16:03 -0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/c9adad6d7055

8235510: java.util.zip.CRC32 performance drop after 8200067
Summary: backout 8200067 optimization
Reviewed-by: kvn

! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/macroAssembler_x86.cpp
! src/hotspot/cpu/x86/vm_version_x86.cpp
! src/hotspot/cpu/x86/vm_version_x86.hpp