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LegalizeTypes soft float support for FP_TO_SINT and

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FP_TO_UINT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-07-09 11:13:46 +00:00
parent 851b1ee83f
commit f8568b464f
2 changed files with 134 additions and 4 deletions
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136
lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
View File

@ -380,10 +380,12 @@ bool DAGTypeLegalizer::SoftenFloatOperand(SDNode *N, unsigned OpNo) {
case ISD::BIT_CONVERT: Res = SoftenFloatOp_BIT_CONVERT(N); break;
case ISD::BR_CC: Res = SoftenFloatOp_BR_CC(N); break;
case ISD::SELECT_CC: Res = SoftenFloatOp_SELECT_CC(N); break;
case ISD::SETCC: Res = SoftenFloatOp_SETCC(N); break;
case ISD::STORE: Res = SoftenFloatOp_STORE(N, OpNo); break;
case ISD::BR_CC: Res = SoftenFloatOp_BR_CC(N); break;
case ISD::FP_TO_SINT: Res = SoftenFloatOp_FP_TO_SINT(N); break;
case ISD::FP_TO_UINT: Res = SoftenFloatOp_FP_TO_UINT(N); break;
case ISD::SELECT_CC: Res = SoftenFloatOp_SELECT_CC(N); break;
case ISD::SETCC: Res = SoftenFloatOp_SETCC(N); break;
case ISD::STORE: Res = SoftenFloatOp_STORE(N, OpNo); break;
}
// If the result is null, the sub-method took care of registering results etc.
@ -514,6 +516,132 @@ SDOperand DAGTypeLegalizer::SoftenFloatOp_BR_CC(SDNode *N) {
N->getOperand(4));
}
SDOperand DAGTypeLegalizer::SoftenFloatOp_FP_TO_SINT(SDNode *N) {
MVT SVT = N->getOperand(0).getValueType();
MVT RVT = N->getValueType(0);
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
switch (RVT.getSimpleVT()) {
case MVT::i32:
switch (SVT.getSimpleVT()) {
case MVT::f32:
LC = RTLIB::FPTOSINT_F32_I32;
break;
case MVT::f64:
LC = RTLIB::FPTOSINT_F64_I32;
break;
default:
break;
}
break;
case MVT::i64:
switch (SVT.getSimpleVT()) {
case MVT::f32:
LC = RTLIB::FPTOSINT_F32_I64;
break;
case MVT::f64:
LC = RTLIB::FPTOSINT_F64_I64;
break;
case MVT::f80:
LC = RTLIB::FPTOSINT_F80_I64;
break;
case MVT::ppcf128:
LC = RTLIB::FPTOSINT_PPCF128_I64;
break;
default:
break;
}
break;
case MVT::i128:
switch (SVT.getSimpleVT()) {
case MVT::f32:
LC = RTLIB::FPTOSINT_F32_I128;
break;
case MVT::f64:
LC = RTLIB::FPTOSINT_F64_I128;
break;
case MVT::f80:
LC = RTLIB::FPTOSINT_F80_I128;
break;
case MVT::ppcf128:
LC = RTLIB::FPTOSINT_PPCF128_I128;
break;
default:
break;
}
break;
default:
break;
}
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_SINT!");
SDOperand Op = GetSoftenedFloat(N->getOperand(0));
return MakeLibCall(LC, RVT, &Op, 1, false);
}
SDOperand DAGTypeLegalizer::SoftenFloatOp_FP_TO_UINT(SDNode *N) {
MVT SVT = N->getOperand(0).getValueType();
MVT RVT = N->getValueType(0);
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
switch (RVT.getSimpleVT()) {
case MVT::i32:
switch (SVT.getSimpleVT()) {
case MVT::f32:
LC = RTLIB::FPTOUINT_F32_I32;
break;
case MVT::f64:
LC = RTLIB::FPTOUINT_F64_I32;
break;
default:
break;
}
break;
case MVT::i64:
switch (SVT.getSimpleVT()) {
case MVT::f32:
LC = RTLIB::FPTOUINT_F32_I64;
break;
case MVT::f64:
LC = RTLIB::FPTOUINT_F64_I64;
break;
case MVT::f80:
LC = RTLIB::FPTOUINT_F80_I64;
break;
case MVT::ppcf128:
LC = RTLIB::FPTOUINT_PPCF128_I64;
break;
default:
break;
}
break;
case MVT::i128:
switch (SVT.getSimpleVT()) {
case MVT::f32:
LC = RTLIB::FPTOUINT_F32_I128;
break;
case MVT::f64:
LC = RTLIB::FPTOUINT_F64_I128;
break;
case MVT::f80:
LC = RTLIB::FPTOUINT_F80_I128;
break;
case MVT::ppcf128:
LC = RTLIB::FPTOUINT_PPCF128_I128;
break;
default:
break;
}
break;
default:
break;
}
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_UINT!");
SDOperand Op = GetSoftenedFloat(N->getOperand(0));
return MakeLibCall(LC, RVT, &Op, 1, false);
}
SDOperand DAGTypeLegalizer::SoftenFloatOp_SELECT_CC(SDNode *N) {
SDOperand NewLHS = N->getOperand(0), NewRHS = N->getOperand(1);
ISD::CondCode CCCode = cast<CondCodeSDNode>(N->getOperand(4))->get();

2
lib/CodeGen/SelectionDAG/LegalizeTypes.h
View File

@ -347,6 +347,8 @@ private:
bool SoftenFloatOperand(SDNode *N, unsigned OpNo);
SDOperand SoftenFloatOp_BIT_CONVERT(SDNode *N);
SDOperand SoftenFloatOp_BR_CC(SDNode *N);
SDOperand SoftenFloatOp_FP_TO_SINT(SDNode *N);
SDOperand SoftenFloatOp_FP_TO_UINT(SDNode *N);
SDOperand SoftenFloatOp_SELECT_CC(SDNode *N);
SDOperand SoftenFloatOp_SETCC(SDNode *N);
SDOperand SoftenFloatOp_STORE(SDNode *N, unsigned OpNo);