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changeset 11216:a7b2dc8e05a0

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Ordinal check for unsafe load lowering
author Christos Kotselidis <christos.kotselidis@oracle.com>
date Tue, 06 Aug 2013 14:00:49 +0200
parents 19648527ec72
children 9f647712f984
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java
diffstat 1 files changed, 4 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Mon Aug 05 10:44:46 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Tue Aug 06 14:00:49 2013 +0200
@@ -636,11 +636,11 @@
             graph.replaceFixedWithFixed(storeIndexed, memoryWrite);
 
         } else if (n instanceof UnsafeLoadNode) {
-            if (tool.getLoweringType() != LoweringType.BEFORE_GUARDS) {
+            if (tool.getLoweringType().ordinal() > LoweringType.BEFORE_GUARDS.ordinal()) {
                 UnsafeLoadNode load = (UnsafeLoadNode) n;
                 assert load.kind() != Kind.Illegal;
                 boolean compressible = (!load.object().isNullConstant() && load.accessKind() == Kind.Object);
-                if (addReadBarrier(load, tool)) {
+                if (addReadBarrier(load)) {
                     unsafeLoadSnippets.lower(load, tool);
                 } else {
                     IndexedLocationNode location = IndexedLocationNode.create(ANY_LOCATION, load.accessKind(), load.displacement(), load.offset(), graph, 1);
@@ -849,9 +849,9 @@
         }
     }
 
-    private static boolean addReadBarrier(UnsafeLoadNode load, LoweringTool tool) {
+    private static boolean addReadBarrier(UnsafeLoadNode load) {
         return useG1GC() && load.object().kind() == Kind.Object && load.accessKind() == Kind.Object && !load.object().objectStamp().alwaysNull() && load.object().objectStamp().type() != null &&
-                        !(load.object().objectStamp().type().isArray()) && tool.getLoweringType() == LoweringType.BEFORE_GUARDS;
+                        !(load.object().objectStamp().type().isArray());
     }
 
     private static ReadNode createReadVirtualMethod(StructuredGraph graph, Kind wordKind, ValueNode hub, ResolvedJavaMethod method) {