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changeset 11324:ec05367f211c

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Remove overly conservative anchoring of lowered hub access.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 16 Aug 2013 16:00:22 +0200
parents e9a22338d2ce
children 961846eb85b4
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java
diffstat 1 files changed, 0 insertions(+), 5 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Fri Aug 16 14:28:12 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Fri Aug 16 16:00:22 2013 +0200
@@ -667,11 +667,6 @@
             assert loadHub.kind() == wordKind;
             ValueNode object = loadHub.object();
             GuardingNode guard = loadHub.getGuard();
-            // A hub read must not float outside its block otherwise
-            // it may float above an explicit null check on its object.
-            if (guard == null) {
-                guard = AbstractBeginNode.prevBegin(tool.lastFixedNode());
-            }
             FloatingReadNode hub = createReadHub(graph, wordKind, object, guard);
             graph.replaceFloating(loadHub, hub);
         } else if (n instanceof LoadMethodNode) {