Mercurial > hg > graal-compiler
changeset 7347:8db89ad23965
Put 1 as lower bound for loop frequency.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Sat, 12 Jan 2013 17:25:41 +0100 |
parents | 5ce0743ba6d8 |
children | 9f69799a1768 |
files | graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ComputeProbabilityPhase.java |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ComputeProbabilityPhase.java Sat Jan 12 14:50:48 2013 +0100 +++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ComputeProbabilityPhase.java Sat Jan 12 17:25:41 2013 +0100 @@ -70,6 +70,9 @@ 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); }