diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 1aca833c3c..667dca14a5 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -352,10 +352,13 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL, assert(NumParts == 1 && "Do not know what to promote to!"); Val = DAG.getNode(ISD::FP_EXTEND, DL, PartVT, Val); } else { - assert(PartVT.isInteger() && ValueVT.isInteger() && + assert((PartVT.isInteger() || PartVT == MVT::x86mmx) && + ValueVT.isInteger() && "Unknown mismatch!"); ValueVT = EVT::getIntegerVT(*DAG.getContext(), NumParts * PartBits); Val = DAG.getNode(ExtendKind, DL, ValueVT, Val); + if (PartVT == MVT::x86mmx) + Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val); } } else if (PartBits == ValueVT.getSizeInBits()) { // Different types of the same size. @@ -363,10 +366,13 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc DL, Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val); } else if (NumParts * PartBits < ValueVT.getSizeInBits()) { // If the parts cover less bits than value has, truncate the value. - assert(PartVT.isInteger() && ValueVT.isInteger() && + assert((PartVT.isInteger() || PartVT == MVT::x86mmx) && + ValueVT.isInteger() && "Unknown mismatch!"); ValueVT = EVT::getIntegerVT(*DAG.getContext(), NumParts * PartBits); Val = DAG.getNode(ISD::TRUNCATE, DL, ValueVT, Val); + if (PartVT == MVT::x86mmx) + Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val); } // The value may have changed - recompute ValueVT. |