[llvm-commits] [llvm] r45320 - in /llvm/trunk: include/llvm/CodeGen/SelectionDAGNodes.h lib/CodeGen/SelectionDAG/TargetLowering.cpp

[Chris Lattner]

Author: lattner
Date: Sat Dec 22 14:47:56 2007
New Revision: 45320

URL: http://llvm.org/viewvc/llvm-project?rev=45320&view=rev
Log:
Add a new FGETSIGN operation, which defaults to expand on all
targets.

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

Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h?rev=45320&r1=45319&r2=45320&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h Sat Dec 22 14:47:56 2007
@@ -271,6 +271,10 @@
     // FCOPYSIGN(f32, f64) is allowed.
     FCOPYSIGN,
 
+    // INT = FGETSIGN(FP) - Return the sign bit of the specified floating point
+    // value as an integer 0/1 value.
+    FGETSIGN,
+    
     /// BUILD_VECTOR(ELT0, ELT1, ELT2, ELT3,...) - Return a vector
     /// with the specified, possibly variable, elements.  The number of elements
     /// is required to be a power of two.

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=45320&r1=45319&r2=45320&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Sat Dec 22 14:47:56 2007
@@ -155,13 +155,17 @@
   memset(&IndexedModeActions, 0, sizeof(IndexedModeActions));
   memset(&ConvertActions, 0, sizeof(ConvertActions));
 
-  // Set all indexed load / store to expand.
+  // Set default actions for various operations.
   for (unsigned VT = 0; VT != (unsigned)MVT::LAST_VALUETYPE; ++VT) {
+    // Default all indexed load / store to expand.
     for (unsigned IM = (unsigned)ISD::PRE_INC;
          IM != (unsigned)ISD::LAST_INDEXED_MODE; ++IM) {
       setIndexedLoadAction(IM, (MVT::ValueType)VT, Expand);
       setIndexedStoreAction(IM, (MVT::ValueType)VT, Expand);
     }
+    
+    // These operations default to expand.
+    setOperationAction(ISD::FGETSIGN, (MVT::ValueType)VT, Expand);
   }
 
   IsLittleEndian = TD->isLittleEndian();