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Implement the fpowi now by lowering to a libcall 

llvm-svn: 30225
This commit is contained in:
Chris Lattner 2006-09-09 06:03:30 +00:00
parent a4b7de8669
commit f0359b343a
3 changed files with 16 additions and 1 deletions
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9
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -2581,7 +2581,14 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
break;
}
break;
case ISD::FPOWI: {
// We always lower FPOWI into a libcall. No target support it yet.
const char *FnName = Node->getValueType(0) == MVT::f32
? "__powisf2" : "__powidf2";
SDOperand Dummy;
Result = ExpandLibCall(FnName, Node, Dummy);
break;
}
case ISD::BIT_CONVERT:
if (!isTypeLegal(Node->getOperand(0).getValueType())) {
Result = ExpandBIT_CONVERT(Node->getValueType(0), Node->getOperand(0));

1
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -2404,6 +2404,7 @@ const char *SDNode::getOperationName(const SelectionDAG *G) const {
case ISD::FSQRT: return "fsqrt";
case ISD::FSIN: return "fsin";
case ISD::FCOS: return "fcos";
case ISD::FPOWI: return "fpowi";
// Binary operators
case ISD::ADD: return "add";

7
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@ -1620,6 +1620,13 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
getValue(I.getOperand(1)).getValueType(),
getValue(I.getOperand(1))));
return 0;
case Intrinsic::powi_f32:
case Intrinsic::powi_f64:
setValue(&I, DAG.getNode(ISD::FPOWI,
getValue(I.getOperand(1)).getValueType(),
getValue(I.getOperand(1)),
getValue(I.getOperand(2))));
return 0;
case Intrinsic::pcmarker: {
SDOperand Tmp = getValue(I.getOperand(1));
DAG.setRoot(DAG.getNode(ISD::PCMARKER, MVT::Other, getRoot(), Tmp));