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diff graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ComputeProbabilityPhase.java @ 7392:42b6e0905881

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Merge.
author Christian Haeubl <haeubl@ssw.jku.at>
date Wed, 16 Jan 2013 09:08:24 +0100
parents 36dafe48bc38 8db89ad23965
children 4cc0efe5cffe bbf97d6688d3
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--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ComputeProbabilityPhase.java	Wed Jan 16 09:05:48 2013 +0100
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ComputeProbabilityPhase.java	Wed Jan 16 09:08:24 2013 +0100
@@ -72,6 +72,9 @@
     private void correctLoopFrequencies(Loop loop, double parentFrequency, BitSet visitedBlocks) {
         LoopBeginNode loopBegin = ((LoopBeginNode) loop.header.getBeginNode());
         double frequency = parentFrequency * loopBegin.loopFrequency();
+        if (frequency < 1) {
+            frequency = 1;
+        }
         for (Loop child : loop.children) {
             correctLoopFrequencies(child, frequency, visitedBlocks);
         }