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changeset 11769:427cbe2bd615

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SerialWriteBarrier: use GC_CARD_LOCATION instead of ANY_LOCATION
author Bernhard Urban <bernhard.urban@jku.at>
date Tue, 24 Sep 2013 14:11:34 +0200
parents e53399f1b2cd
children 7c4595b7ef3a
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/WriteBarrierSnippets.java
diffstat 1 files changed, 3 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/WriteBarrierSnippets.java	Tue Sep 24 14:11:33 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/WriteBarrierSnippets.java	Tue Sep 24 14:11:34 2013 +0200
@@ -62,6 +62,8 @@
     private static final SnippetCounter g1EffectiveRefFieldBarrierCounter = new SnippetCounter(countersWriteBarriers, "g1EffectiveRefFieldBarrierCounter",
                     "Number of G1 effective Ref Field Read Barriers");
 
+    private static final LocationIdentity GC_CARD_LOCATION = new NamedLocationIdentity("GC-Card");
+
     @Snippet
     public static void serialWriteBarrier(Object object, Object location, @ConstantParameter boolean usePrecise, @ConstantParameter boolean alwaysNull) {
         // No barriers are added if we are always storing a null.
@@ -85,7 +87,7 @@
         } else {
             base = base.add(Word.unsigned(cardTableStart()));
         }
-        base.writeByte(displacement, (byte) 0);
+        base.writeByte(displacement, (byte) 0, GC_CARD_LOCATION);
     }
 
     @Snippet