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diff graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneSnippets.java @ 9316:5e1465ec46d6

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Change the way branch probabilities are injected. Update all snippets.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 25 Apr 2013 21:34:00 +0200
parents b6491ee579d3
children 106f0a0acafa 659bb6cf930c
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line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneSnippets.java	Thu Apr 25 20:10:49 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneSnippets.java	Thu Apr 25 21:34:00 2013 +0200
@@ -84,7 +84,6 @@
     private static Word getAndCheckHub(Object src) {
         Word hub = loadHub(src);
         if (!(src instanceof Cloneable)) {
-            probability(DEOPT_PATH_PROBABILITY);
             DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
         }
         return hub;
@@ -110,8 +109,7 @@
         genericCloneCounter.inc();
         Word hub = getAndCheckHub(src);
         int layoutHelper = hub.readInt(layoutHelperOffset(), FINAL_LOCATION);
-        if (layoutHelper < 0) {
-            probability(LIKELY_PROBABILITY);
+        if (probability(LIKELY_PROBABILITY, layoutHelper < 0)) {
             genericArrayCloneCounter.inc();
             return arrayClone(src, hub, layoutHelper);
         } else {