[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Anton Korobeynikov]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

SelectionDAGISel.cpp updated: 1.411 -> 1.412
---
Log message:

Use integer log for metric calculation


---
Diffs of the changes:  (+2 -2)

 SelectionDAGISel.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.411 
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.412
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.411    Mon Apr  9 
09:32:59 2007
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp  Mon Apr  9 16:57:03 2007
@@ -1604,7 +1604,7 @@
     assert((RBegin-LEnd>=1) && "Invalid case distance");
     double LDensity = (double)LSize / (double)((LEnd - First) + 1ULL);
     double RDensity = (double)RSize / (double)((Last - RBegin) + 1ULL);
-    double Metric = log(double(RBegin-LEnd))*(LDensity+RDensity);
+    double Metric = Log2_64(RBegin-LEnd)*(LDensity+RDensity);
     // Should always split in some non-trivial place
     DOUT <<"=>Step\n"
          << "LEnd: " << LEnd << ", RBegin: " << RBegin << "\n"
@@ -1620,7 +1620,7 @@
     RSize -= J->size();
   }
   // If our case is dense we *really* should handle it earlier!
-  assert((FMetric != 0) && "Should handle dense range earlier!");
+  assert((FMetric > 0) && "Should handle dense range earlier!");
   
   CaseRange LHSR(CR.Range.first, Pivot);
   CaseRange RHSR(Pivot, CR.Range.second);



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