Mercurial > hg > truffle
diff graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java @ 9377:0f4041cc6be1
First draft of node for loading a method from the vtable of a hub.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 27 Apr 2013 22:03:54 +0200 |
parents | ee75b4f569ed |
children | ee8cd087a731 |
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--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java Sat Apr 27 21:41:44 2013 +0200 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java Sat Apr 27 22:03:54 2013 +0200 @@ -674,6 +674,18 @@ ReadNode hub = graph.add(new ReadNode(object, location, StampFactory.forKind(wordKind()))); tool.createNullCheckGuard(hub.dependencies(), object); graph.replaceFixed(loadHub, hub); + } else if (n instanceof LoadMethodNode) { + LoadMethodNode loadMethodNode = (LoadMethodNode) n; + HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) loadMethodNode.getMethod(); + assert !hsMethod.getDeclaringClass().isInterface(); + + int vtableEntryOffset = hsMethod.vtableEntryOffset(); + assert vtableEntryOffset > 0; + // We use LocationNode.ANY_LOCATION for the reads that access the vtable + // entry as HotSpot does not guarantee that this is a final value. + ReadNode metaspaceMethod = graph.add(new ReadNode(loadMethodNode.getHub(), ConstantLocationNode.create(LocationNode.ANY_LOCATION, wordKind, vtableEntryOffset, graph), + StampFactory.forKind(wordKind()))); + graph.replaceFixed(loadMethodNode, metaspaceMethod); } else if (n instanceof FixedGuardNode) { FixedGuardNode node = (FixedGuardNode) n; ValueAnchorNode newAnchor = graph.add(new ValueAnchorNode(tool.createGuard(node.condition(), node.getReason(), node.getAction(), node.isNegated())));