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emit FMR instructions to convert f64<->f32 instructions, so things like

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STOREs, know the right type to store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23139 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-30 00:30:43 +00:00
parent 915fb302b1
commit 8f838720ad
1 changed files with 15 additions and 8 deletions
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23
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
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@ -1113,14 +1113,13 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
CurDAG->SelectNodeTo(N, PPC::FABS, N->getValueType(0),
Select(N->getOperand(0)));
break;
case ISD::FP_EXTEND: {
case ISD::FP_EXTEND:
assert(MVT::f64 == N->getValueType(0) &&
MVT::f32 == N->getOperand(0).getValueType() && "Illegal FP_EXTEND");
std::vector<SDOperand> Tmp;
Tmp.push_back(Select(N->getOperand(0)));
CurDAG->ReplaceAllUsesWith(N, Tmp); // Just use the operand as the result.
return Tmp[0];
}
// We need to emit an FMR to make sure that the result has the right value
// type.
CurDAG->SelectNodeTo(N, PPC::FMR, MVT::f64, Select(N->getOperand(0)));
break;
case ISD::FP_ROUND:
assert(MVT::f32 == N->getValueType(0) &&
MVT::f64 == N->getOperand(0).getValueType() && "Illegal FP_ROUND");
@ -1560,7 +1559,12 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
case MVT::f32:
case MVT::f64:
Chain = CurDAG->getCopyFromReg(Chain, PPC::F1, MVT::f64).getValue(1);
CallResults.push_back(Chain.getValue(0));
if (N->getValueType(0) == MVT::f64)
CallResults.push_back(Chain.getValue(0));
else
// Insert an FMR to convert the result to f32 from f64.
CallResults.push_back(CurDAG->getTargetNode(PPC::FMR, MVT::f32,
Chain.getValue(0)));
break;
}
@ -1575,8 +1579,11 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
SDOperand Val = Select(N->getOperand(1));
switch (N->getOperand(1).getValueType()) {
default: assert(0 && "Unknown return type!");
case MVT::f64:
case MVT::f32:
// Insert a copy to get the type right.
Val = CurDAG->getTargetNode(PPC::FMR, MVT::f64, Val);
// FALL THROUGH
case MVT::f64:
Chain = CurDAG->getCopyToReg(Chain, PPC::F1, Val);
break;
case MVT::i32: