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Fix some ppcf128 regressions: make ExpandFloatRes_LOAD
work correctly, and bring over a late change to ppcf128 SetCC handling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58642 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -885,16 +885,16 @@ void DAGTypeLegalizer::ExpandFloatRes_LOAD(SDNode *N, SDValue &Lo,
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assert(NVT.isByteSized() && "Expanded type not byte sized!");
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assert(NVT.isByteSized() && "Expanded type not byte sized!");
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assert(LD->getMemoryVT().bitsLE(NVT) && "Float type not round?");
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assert(LD->getMemoryVT().bitsLE(NVT) && "Float type not round?");
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Lo = DAG.getExtLoad(LD->getExtensionType(), NVT, Chain, Ptr,
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Hi = DAG.getExtLoad(LD->getExtensionType(), NVT, Chain, Ptr,
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LD->getSrcValue(), LD->getSrcValueOffset(),
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LD->getSrcValue(), LD->getSrcValueOffset(),
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LD->getMemoryVT(),
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LD->getMemoryVT(),
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LD->isVolatile(), LD->getAlignment());
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LD->isVolatile(), LD->getAlignment());
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// Remember the chain.
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// Remember the chain.
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Chain = Lo.getValue(1);
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Chain = Hi.getValue(1);
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// The high part is undefined.
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// The low part is zero.
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Hi = DAG.getNode(ISD::UNDEF, NVT);
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Lo = DAG.getConstantFP(APFloat(APInt(NVT.getSizeInBits(), 0)), NVT);
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// Modified the chain - switch anything that used the old chain to use the
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// Modified the chain - switch anything that used the old chain to use the
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// new one.
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// new one.
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@ -1039,15 +1039,15 @@ void DAGTypeLegalizer::FloatExpandSetCCOperands(SDValue &NewLHS,
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assert(VT == MVT::ppcf128 && "Unsupported setcc type!");
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assert(VT == MVT::ppcf128 && "Unsupported setcc type!");
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// FIXME: This generated code sucks. We want to generate
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// FIXME: This generated code sucks. We want to generate
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// FCMP crN, hi1, hi2
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// FCMPU crN, hi1, hi2
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// BNE crN, L:
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// BNE crN, L:
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// FCMP crN, lo1, lo2
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// FCMPU crN, lo1, lo2
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// The following can be improved, but not that much.
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// The following can be improved, but not that much.
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SDValue Tmp1, Tmp2, Tmp3;
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SDValue Tmp1, Tmp2, Tmp3;
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Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, ISD::SETEQ);
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Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, ISD::SETOEQ);
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Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, CCCode);
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Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, CCCode);
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Tmp3 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2);
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Tmp3 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2);
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Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, ISD::SETNE);
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Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, ISD::SETUNE);
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Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, CCCode);
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Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, CCCode);
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Tmp1 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2);
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Tmp1 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2);
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NewLHS = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp3);
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NewLHS = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp3);
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