From 83b3473dd84107f85de35be5ce03b108bc446ef6 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 9 Mar 2008 07:47:22 +0000 Subject: extend fp values with FP_EXTEND not FP_ROUND. llvm-svn: 48097 --- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'llvm/lib') diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 1140e20a440..97e12a4a0e9 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -759,9 +759,12 @@ static SDOperand getCopyFromParts(SelectionDAG &DAG, } } - if (MVT::isFloatingPoint(PartVT) && MVT::isFloatingPoint(ValueVT)) - return DAG.getNode(ISD::FP_ROUND, ValueVT, Val, - DAG.getIntPtrConstant(TruncExact)); + if (MVT::isFloatingPoint(PartVT) && MVT::isFloatingPoint(ValueVT)) { + if (ValueVT < Val.getValueType()) + return DAG.getNode(ISD::FP_ROUND, ValueVT, Val, + DAG.getIntPtrConstant(TruncExact)); + return DAG.getNode(ISD::FP_EXTEND, ValueVT, Val); + } if (MVT::getSizeInBits(PartVT) == MVT::getSizeInBits(ValueVT)) return DAG.getNode(ISD::BIT_CONVERT, ValueVT, Val); -- cgit v1.2.3