[llvm-commits] CVS: llvm/include/llvm/CodeGen/SelectionDAGNodes.h

[Jim Laskey]

Changes in directory llvm/include/llvm/CodeGen:

SelectionDAGNodes.h updated: 1.54 -> 1.55
---
Log message:

Culling out use of unions for converting FP to bits and vice versa.



---
Diffs of the changes:  (+2 -11)

 SelectionDAGNodes.h |   13 ++-----------
 1 files changed, 2 insertions(+), 11 deletions(-)


Index: llvm/include/llvm/CodeGen/SelectionDAGNodes.h
diff -u llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1.54 llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1.55
--- llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1.54	Wed Aug 17 13:58:38 2005
+++ llvm/include/llvm/CodeGen/SelectionDAGNodes.h	Wed Aug 17 14:20:43 2005
@@ -25,6 +25,7 @@
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/iterator"
 #include "llvm/Support/DataTypes.h"
+#include "llvm/Support/MathExtras.h"
 #include <cassert>
 #include <vector>
 
@@ -742,17 +743,7 @@
   /// As such, this method can be used to do an exact bit-for-bit comparison of
   /// two floating point values.
   bool isExactlyValue(double V) const {
-    union {
-      double V;
-      uint64_t I;
-    } T1;
-    T1.V = Value;
-    union {
-      double V;
-      uint64_t I;
-    } T2;
-    T2.V = V;
-    return T1.I == T2.I;
+    return DoubleToBits(V) == DoubleToBits(Value);
   }
 
   static bool classof(const ConstantFPSDNode *) { return true; }