[llvm-commits] [llvm] r41372 - in /llvm/trunk: include/llvm/CodeGen/SelectionDAGNodes.h lib/CodeGen/SelectionDAG/SelectionDAG.cpp

[Dale Johannesen]

Author: johannes
Date: Fri Aug 24 15:59:15 2007
New Revision: 41372

URL: http://llvm.org/viewvc/llvm-project?rev=41372&view=rev
Log:
Use APFloat internally for ConstantFPSDNode.


Modified:
    llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h?rev=41372&r1=41371&r2=41372&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h Fri Aug 24 15:59:15 2007
@@ -23,6 +23,7 @@
 #include "llvm/ADT/FoldingSet.h"
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/iterator"
+#include "llvm/ADT/APFloat.h"
 #include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/Support/DataTypes.h"
 #include <cassert>
@@ -1144,17 +1145,17 @@
 };
 
 class ConstantFPSDNode : public SDNode {
-  double Value;
+  APFloat Value;
   virtual void ANCHOR();  // Out-of-line virtual method to give class a home.
 protected:
   friend class SelectionDAG;
   ConstantFPSDNode(bool isTarget, double val, MVT::ValueType VT)
     : SDNode(isTarget ? ISD::TargetConstantFP : ISD::ConstantFP,
-             getSDVTList(VT)), Value(val) {
+             getSDVTList(VT)), Value(APFloat(val)) {
   }
 public:
 
-  double getValue() const { return Value; }
+  double getValue() const { return Value.convertToDouble(); }
 
   /// isExactlyValue - We don't rely on operator== working on double values, as
   /// it returns true for things that are clearly not equal, like -0.0 and 0.0.

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=41372&r1=41371&r2=41372&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Fri Aug 24 15:59:15 2007
@@ -49,7 +49,7 @@
 /// As such, this method can be used to do an exact bit-for-bit comparison of
 /// two floating point values.
 bool ConstantFPSDNode::isExactlyValue(double V) const {
-  return DoubleToBits(V) == DoubleToBits(Value);
+  return Value == APFloat(V);
 }
 
 //===----------------------------------------------------------------------===//