diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp index 09b22215173..a892fccc8a1 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp @@ -831,6 +831,13 @@ SDValue VectorLegalizer::Expand(SDValue Op) { case ISD::SMULFIX: case ISD::UMULFIX: return ExpandFixedPointMul(Op); + case ISD::SMULFIXSAT: + // FIXME: We do not expand SMULFIXSAT here yet, not sure why. Maybe it + // results in worse codegen compared to the default unroll? This should + // probably be investigated. And if we still prefer to unroll an explanation + // could be helpful, otherwise it just looks like something that hasn't been + // "implemented" yet. + return DAG.UnrollVectorOp(Op.getNode()); case ISD::STRICT_FADD: case ISD::STRICT_FSUB: case ISD::STRICT_FMUL: |
