hg: hsx/jdk7u/hotspot: 6653795: C2 intrinsic for Unsafe.getAddress performs pointer sign extension on 32-bit systems

[poonam.bajaj at oracle.com]

Changeset: d6e1e8271665
Author:    poonam
Date:      2014-03-20 03:52 -0700
URL:       http://hg.openjdk.java.net/hsx/jdk7u/hotspot/rev/d6e1e8271665

6653795: C2 intrinsic for Unsafe.getAddress performs pointer sign extension on 32-bit systems
Summary: Native pointers less than 64 bits wide should be extended as an unsigned number.
Reviewed-by: kvn, kevinw, roland

! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/graphKit.hpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/type.hpp
+ test/compiler/6653795/UnsafeGetAddressTest.java