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path: root/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
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Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp137
1 files changed, 66 insertions, 71 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index 8f928747fc..5d23f525f7 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -59,19 +59,18 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) {
case ISD::ConstantFP:
R = SoftenFloatRes_ConstantFP(cast<ConstantFPSDNode>(N));
break;
+ case ISD::FADD: R = SoftenFloatRes_FADD(N); break;
case ISD::FCOPYSIGN: R = SoftenFloatRes_FCOPYSIGN(N); break;
+ case ISD::FMUL: R = SoftenFloatRes_FMUL(N); break;
case ISD::FP_EXTEND: R = SoftenFloatRes_FP_EXTEND(N); break;
case ISD::FP_ROUND: R = SoftenFloatRes_FP_ROUND(N); break;
+ case ISD::FPOWI: R = SoftenFloatRes_FPOWI(N); break;
+ case ISD::FSUB: R = SoftenFloatRes_FSUB(N); break;
case ISD::LOAD: R = SoftenFloatRes_LOAD(N); break;
case ISD::SELECT: R = SoftenFloatRes_SELECT(N); break;
case ISD::SELECT_CC: R = SoftenFloatRes_SELECT_CC(N); break;
case ISD::SINT_TO_FP: R = SoftenFloatRes_SINT_TO_FP(N); break;
case ISD::UINT_TO_FP: R = SoftenFloatRes_UINT_TO_FP(N); break;
-
- case ISD::FADD: R = SoftenFloatRes_FADD(N); break;
- case ISD::FMUL: R = SoftenFloatRes_FMUL(N); break;
- case ISD::FPOWI: R = SoftenFloatRes_FPOWI(N); break;
- case ISD::FSUB: R = SoftenFloatRes_FSUB(N); break;
}
// If R is null, the sub-method took care of registering the result.
@@ -385,13 +384,12 @@ bool DAGTypeLegalizer::SoftenFloatOperand(SDNode *N, unsigned OpNo) {
abort();
case ISD::BIT_CONVERT: Res = SoftenFloatOp_BIT_CONVERT(N); 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;
+ 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.
@@ -983,17 +981,14 @@ bool DAGTypeLegalizer::ExpandFloatOperand(SDNode *N, unsigned OpNo) {
case ISD::BUILD_VECTOR: Res = ExpandOp_BUILD_VECTOR(N); break;
case ISD::EXTRACT_ELEMENT: Res = ExpandOp_EXTRACT_ELEMENT(N); break;
- case ISD::BR_CC: Res = ExpandFloatOp_BR_CC(N); break;
- case ISD::SELECT_CC: Res = ExpandFloatOp_SELECT_CC(N); break;
- case ISD::SETCC: Res = ExpandFloatOp_SETCC(N); break;
-
+ case ISD::BR_CC: Res = ExpandFloatOp_BR_CC(N); break;
case ISD::FP_ROUND: Res = ExpandFloatOp_FP_ROUND(N); break;
case ISD::FP_TO_SINT: Res = ExpandFloatOp_FP_TO_SINT(N); break;
case ISD::FP_TO_UINT: Res = ExpandFloatOp_FP_TO_UINT(N); break;
-
- case ISD::STORE:
- Res = ExpandFloatOp_STORE(cast<StoreSDNode>(N), OpNo);
- break;
+ case ISD::SELECT_CC: Res = ExpandFloatOp_SELECT_CC(N); break;
+ case ISD::SETCC: Res = ExpandFloatOp_SETCC(N); break;
+ case ISD::STORE: Res = ExpandFloatOp_STORE(cast<StoreSDNode>(N),
+ OpNo); break;
}
}
@@ -1062,39 +1057,34 @@ SDOperand DAGTypeLegalizer::ExpandFloatOp_BR_CC(SDNode *N) {
N->getOperand(4));
}
-SDOperand DAGTypeLegalizer::ExpandFloatOp_SELECT_CC(SDNode *N) {
- SDOperand NewLHS = N->getOperand(0), NewRHS = N->getOperand(1);
- ISD::CondCode CCCode = cast<CondCodeSDNode>(N->getOperand(4))->get();
- FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode);
-
- // If ExpandSetCCOperands returned a scalar, we need to compare the result
- // against zero to select between true and false values.
- if (NewRHS.Val == 0) {
- NewRHS = DAG.getConstant(0, NewLHS.getValueType());
- CCCode = ISD::SETNE;
- }
-
- // Update N to have the operands specified.
- return DAG.UpdateNodeOperands(SDOperand(N, 0), NewLHS, NewRHS,
- N->getOperand(2), N->getOperand(3),
- DAG.getCondCode(CCCode));
+SDOperand DAGTypeLegalizer::ExpandFloatOp_FP_ROUND(SDNode *N) {
+ assert(N->getOperand(0).getValueType() == MVT::ppcf128 &&
+ "Logic only correct for ppcf128!");
+ SDOperand Lo, Hi;
+ GetExpandedFloat(N->getOperand(0), Lo, Hi);
+ // Round it the rest of the way (e.g. to f32) if needed.
+ return DAG.getNode(ISD::FP_ROUND, N->getValueType(0), Hi, N->getOperand(1));
}
-SDOperand DAGTypeLegalizer::ExpandFloatOp_SETCC(SDNode *N) {
- SDOperand NewLHS = N->getOperand(0), NewRHS = N->getOperand(1);
- ISD::CondCode CCCode = cast<CondCodeSDNode>(N->getOperand(2))->get();
- FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode);
+SDOperand DAGTypeLegalizer::ExpandFloatOp_FP_TO_SINT(SDNode *N) {
+ assert(N->getOperand(0).getValueType() == MVT::ppcf128 &&
+ "Unsupported FP_TO_SINT!");
- // If ExpandSetCCOperands returned a scalar, use it.
- if (NewRHS.Val == 0) {
- assert(NewLHS.getValueType() == N->getValueType(0) &&
- "Unexpected setcc expansion!");
- return NewLHS;
+ RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
+ switch (N->getValueType(0).getSimpleVT()) {
+ default:
+ assert(false && "Unsupported FP_TO_SINT!");
+ case MVT::i32:
+ LC = RTLIB::FPTOSINT_PPCF128_I32;
+ case MVT::i64:
+ LC = RTLIB::FPTOSINT_PPCF128_I64;
+ break;
+ case MVT::i128:
+ LC = RTLIB::FPTOSINT_PPCF128_I64;
+ break;
}
- // Otherwise, update N to have the operands specified.
- return DAG.UpdateNodeOperands(SDOperand(N, 0), NewLHS, NewRHS,
- DAG.getCondCode(CCCode));
+ return MakeLibCall(LC, N->getValueType(0), &N->getOperand(0), 1, false);
}
SDOperand DAGTypeLegalizer::ExpandFloatOp_FP_TO_UINT(SDNode *N) {
@@ -1119,34 +1109,39 @@ SDOperand DAGTypeLegalizer::ExpandFloatOp_FP_TO_UINT(SDNode *N) {
return MakeLibCall(LC, N->getValueType(0), &N->getOperand(0), 1, false);
}
-SDOperand DAGTypeLegalizer::ExpandFloatOp_FP_TO_SINT(SDNode *N) {
- assert(N->getOperand(0).getValueType() == MVT::ppcf128 &&
- "Unsupported FP_TO_SINT!");
+SDOperand DAGTypeLegalizer::ExpandFloatOp_SELECT_CC(SDNode *N) {
+ SDOperand NewLHS = N->getOperand(0), NewRHS = N->getOperand(1);
+ ISD::CondCode CCCode = cast<CondCodeSDNode>(N->getOperand(4))->get();
+ FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode);
- RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
- switch (N->getValueType(0).getSimpleVT()) {
- default:
- assert(false && "Unsupported FP_TO_SINT!");
- case MVT::i32:
- LC = RTLIB::FPTOSINT_PPCF128_I32;
- case MVT::i64:
- LC = RTLIB::FPTOSINT_PPCF128_I64;
- break;
- case MVT::i128:
- LC = RTLIB::FPTOSINT_PPCF128_I64;
- break;
+ // If ExpandSetCCOperands returned a scalar, we need to compare the result
+ // against zero to select between true and false values.
+ if (NewRHS.Val == 0) {
+ NewRHS = DAG.getConstant(0, NewLHS.getValueType());
+ CCCode = ISD::SETNE;
}
- return MakeLibCall(LC, N->getValueType(0), &N->getOperand(0), 1, false);
+ // Update N to have the operands specified.
+ return DAG.UpdateNodeOperands(SDOperand(N, 0), NewLHS, NewRHS,
+ N->getOperand(2), N->getOperand(3),
+ DAG.getCondCode(CCCode));
}
-SDOperand DAGTypeLegalizer::ExpandFloatOp_FP_ROUND(SDNode *N) {
- assert(N->getOperand(0).getValueType() == MVT::ppcf128 &&
- "Logic only correct for ppcf128!");
- SDOperand Lo, Hi;
- GetExpandedFloat(N->getOperand(0), Lo, Hi);
- // Round it the rest of the way (e.g. to f32) if needed.
- return DAG.getNode(ISD::FP_ROUND, N->getValueType(0), Hi, N->getOperand(1));
+SDOperand DAGTypeLegalizer::ExpandFloatOp_SETCC(SDNode *N) {
+ SDOperand NewLHS = N->getOperand(0), NewRHS = N->getOperand(1);
+ ISD::CondCode CCCode = cast<CondCodeSDNode>(N->getOperand(2))->get();
+ FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode);
+
+ // If ExpandSetCCOperands returned a scalar, use it.
+ if (NewRHS.Val == 0) {
+ assert(NewLHS.getValueType() == N->getValueType(0) &&
+ "Unexpected setcc expansion!");
+ return NewLHS;
+ }
+
+ // Otherwise, update N to have the operands specified.
+ return DAG.UpdateNodeOperands(SDOperand(N, 0), NewLHS, NewRHS,
+ DAG.getCondCode(CCCode));
}
SDOperand DAGTypeLegalizer::ExpandFloatOp_STORE(SDNode *N, unsigned OpNo) {
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-15 18:30:52 +0000