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();
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
