hg: hsx/hotspot-comp/hotspot: 8011901: Unsafe.getAndAddLong(obj, off, delta) does not work properly with long deltas

[roland.westrelin at oracle.com]

Changeset: 35c15dad89ea
Author:    roland
Date:      2013-04-16 17:06 +0200
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/35c15dad89ea

8011901: Unsafe.getAndAddLong(obj, off, delta) does not work properly with long deltas
Summary: instruct xaddL_no_res shouldn't allow 64 bit constants.
Reviewed-by: kvn

! src/cpu/x86/vm/x86_64.ad
+ test/compiler/8011901/Test8011901.java