hg: hsx/hotspot-comp/hotspot: 8000805: JMM issue: short loads are non-atomic

[vladimir.kozlov at oracle.com]

Changeset: 67f4c477c9ab
Author:    vlivanov
Date:      2012-10-22 11:44 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/67f4c477c9ab

8000805: JMM issue: short loads are non-atomic
Summary: perform transforms during IGVN phase when Load has a single user.
Reviewed-by: jrose, kvn, twisti

! src/share/vm/opto/mulnode.cpp
+ test/compiler/8000805/Test8000805.java