diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 5998bc03f4..23d132bb09 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -5930,6 +5930,15 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); break; } + if (HasMULHU) { + Lo = DAG.getNode(ISD::MUL, NVT, LL, RL); + Hi = DAG.getNode(ISD::MULHU, NVT, LL, RL); + RH = DAG.getNode(ISD::MUL, NVT, LL, RH); + LH = DAG.getNode(ISD::MUL, NVT, LH, RL); + Hi = DAG.getNode(ISD::ADD, NVT, Hi, RH); + Hi = DAG.getNode(ISD::ADD, NVT, Hi, LH); + break; + } } // If nothing else, we can make a libcall. |