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Expand fsqrt, fsin, and fcos to libcalls.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32526 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-12-13 02:38:13 +00:00
parent 3162691f69
commit 98ff3b979a
1 changed files with 25 additions and 10 deletions
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35
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -4951,23 +4951,38 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
case ISD::FP_ROUND:
Lo = ExpandLibCall("__truncdfsf2", Node, Hi);
break;
case ISD::SINT_TO_FP:
case ISD::SINT_TO_FP: {
const char *FnName = 0;
if (Node->getOperand(0).getValueType() == MVT::i64)
Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatdisf" : "__floatdidf"),
Node, Hi);
FnName = (VT == MVT::f32) ? "__floatdisf" : "__floatdidf";
else
Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatsisf" : "__floatsidf"),
Node, Hi);
FnName = (VT == MVT::f32) ? "__floatsisf" : "__floatsidf";
Lo = ExpandLibCall(FnName, Node, Hi);
break;
case ISD::UINT_TO_FP:
}
case ISD::UINT_TO_FP: {
const char *FnName = 0;
if (Node->getOperand(0).getValueType() == MVT::i64)
Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatundisf" : "__floatundidf"),
Node, Hi);
FnName = (VT == MVT::f32) ? "__floatundisf" : "__floatundidf";
else
Lo = ExpandLibCall(((VT == MVT::f32) ? "__floatunsisf" : "__floatunsidf"),
Node, Hi);
FnName = (VT == MVT::f32) ? "__floatunsisf" : "__floatunsidf";
Lo = ExpandLibCall(FnName, Node, Hi);
break;
}
case ISD::FSQRT:
case ISD::FSIN:
case ISD::FCOS: {
const char *FnName = 0;
switch(Node->getOpcode()) {
case ISD::FSQRT: FnName = (VT == MVT::f32) ? "sqrtf" : "sqrt"; break;
case ISD::FSIN: FnName = (VT == MVT::f32) ? "sinf" : "sin"; break;
case ISD::FCOS: FnName = (VT == MVT::f32) ? "cosf" : "cos"; break;
default: assert(0 && "Unreachable!");
}
Lo = ExpandLibCall(FnName, Node, Hi);
break;
}
}
// Make sure the resultant values have been legalized themselves, unless this
// is a type that requires multi-step expansion.