hg: jdk9/hs-comp/hotspot: 8157726: VarHandles/Unsafe should support sub-word atomic ops

[aleksey.shipilev at oracle.com]

Changeset: aa5cd232c161
Author:    shade
Date:      2016-06-15 11:21 +0300
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/aa5cd232c161

8157726: VarHandles/Unsafe should support sub-word atomic ops
Reviewed-by: psandoz, vlivanov, lagergren

! src/cpu/x86/vm/assembler_x86.cpp
! src/cpu/x86/vm/assembler_x86.hpp
! src/cpu/x86/vm/x86_32.ad
! src/cpu/x86/vm/x86_64.ad
! src/share/vm/adlc/formssel.cpp
! src/share/vm/classfile/vmSymbols.hpp
! src/share/vm/opto/c2compiler.cpp
! src/share/vm/opto/classes.hpp
! src/share/vm/opto/compile.cpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/loopTransform.cpp
! src/share/vm/opto/matcher.cpp
! src/share/vm/opto/memnode.hpp
! src/share/vm/runtime/vmStructs.cpp
! test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestBoolean.java
! test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestByte.java
! test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestChar.java
! test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestInt.java
! test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestLong.java
! test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestShort.java
! test/compiler/unsafe/SunMiscUnsafeAccessTestByte.java
! test/compiler/unsafe/SunMiscUnsafeAccessTestChar.java
! test/compiler/unsafe/SunMiscUnsafeAccessTestInt.java
! test/compiler/unsafe/SunMiscUnsafeAccessTestLong.java
! test/compiler/unsafe/SunMiscUnsafeAccessTestShort.java
! test/compiler/unsafe/X-UnsafeAccessTest.java.template
! test/compiler/unsafe/generate-unsafe-access-tests.sh