case MipsISD::Sync: return "MipsISD::Sync";
case MipsISD::Ext: return "MipsISD::Ext";
case MipsISD::Ins: return "MipsISD::Ins";
+ case MipsISD::LWL: return "MipsISD::LWL";
+ case MipsISD::LWR: return "MipsISD::LWR";
+ case MipsISD::SWL: return "MipsISD::SWL";
+ case MipsISD::SWR: return "MipsISD::SWR";
+ case MipsISD::LDL: return "MipsISD::LDL";
+ case MipsISD::LDR: return "MipsISD::LDR";
+ case MipsISD::SDL: return "MipsISD::SDL";
+ case MipsISD::SDR: return "MipsISD::SDR";
default: return NULL;
}
}
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
setOperationAction(ISD::MEMBARRIER, MVT::Other, Custom);
setOperationAction(ISD::ATOMIC_FENCE, MVT::Other, Custom);
+ setOperationAction(ISD::LOAD, MVT::i32, Custom);
+ setOperationAction(ISD::STORE, MVT::i32, Custom);
if (!TM.Options.NoNaNsFPMath) {
setOperationAction(ISD::FABS, MVT::f32, Custom);
setOperationAction(ISD::ConstantPool, MVT::i64, Custom);
setOperationAction(ISD::SELECT, MVT::i64, Custom);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Custom);
+ setOperationAction(ISD::LOAD, MVT::i64, Custom);
+ setOperationAction(ISD::STORE, MVT::i64, Custom);
}
if (!HasMips64) {
setOperationAction(ISD::BSWAP, MVT::i64, Expand);
}
+ if (HasMips64) {
+ setLoadExtAction(ISD::SEXTLOAD, MVT::i32, Custom);
+ setLoadExtAction(ISD::ZEXTLOAD, MVT::i32, Custom);
+ setLoadExtAction(ISD::EXTLOAD, MVT::i32, Custom);
+ setTruncStoreAction(MVT::i64, MVT::i32, Custom);
+ }
+
setTargetDAGCombine(ISD::ADDE);
setTargetDAGCombine(ISD::SUBE);
setTargetDAGCombine(ISD::SDIVREM);
case ISD::SHL_PARTS: return LowerShiftLeftParts(Op, DAG);
case ISD::SRA_PARTS: return LowerShiftRightParts(Op, DAG, true);
case ISD::SRL_PARTS: return LowerShiftRightParts(Op, DAG, false);
+ case ISD::LOAD: return LowerLOAD(Op, DAG);
+ case ISD::STORE: return LowerSTORE(Op, DAG);
}
return SDValue();
}
TLSModel::Model model = getTargetMachine().getTLSModel(GV);
if (model == TLSModel::GeneralDynamic || model == TLSModel::LocalDynamic) {
- // General Dynamic TLS Model
- bool LocalDynamic = GV->hasInternalLinkage();
- unsigned Flag = LocalDynamic ? MipsII::MO_TLSLDM :MipsII::MO_TLSGD;
+ // General Dynamic and Local Dynamic TLS Model.
+ unsigned Flag = (model == TLSModel::LocalDynamic) ? MipsII::MO_TLSLDM
+ : MipsII::MO_TLSGD;
+
SDValue TGA = DAG.getTargetGlobalAddress(GV, dl, PtrVT, 0, Flag);
SDValue Argument = DAG.getNode(MipsISD::Wrapper, dl, PtrVT,
GetGlobalReg(DAG, PtrVT), TGA);
return DAG.getMergeValues(Ops, 2, DL);
}
+static SDValue CreateLoadLR(unsigned Opc, SelectionDAG &DAG, LoadSDNode *LD,
+ SDValue Chain, SDValue Src, unsigned Offset) {
+ SDValue BasePtr = LD->getBasePtr(), Ptr;
+ EVT VT = LD->getValueType(0), MemVT = LD->getMemoryVT();
+ EVT BasePtrVT = BasePtr.getValueType();
+ DebugLoc DL = LD->getDebugLoc();
+ SDVTList VTList = DAG.getVTList(VT, MVT::Other);
+
+ if (Offset)
+ Ptr = DAG.getNode(ISD::ADD, DL, BasePtrVT, BasePtr,
+ DAG.getConstant(Offset, BasePtrVT));
+ else
+ Ptr = BasePtr;
+
+ SDValue Ops[] = { Chain, Ptr, Src };
+ return DAG.getMemIntrinsicNode(Opc, DL, VTList, Ops, 3, MemVT,
+ LD->getMemOperand());
+}
+
+// Expand an unaligned 32 or 64-bit integer load node.
+SDValue MipsTargetLowering::LowerLOAD(SDValue Op, SelectionDAG &DAG) const {
+ LoadSDNode *LD = cast<LoadSDNode>(Op);
+ EVT MemVT = LD->getMemoryVT();
+
+ // Return if load is aligned or if MemVT is neither i32 nor i64.
+ if ((LD->getAlignment() >= MemVT.getSizeInBits() / 8) ||
+ ((MemVT != MVT::i32) && (MemVT != MVT::i64)))
+ return SDValue();
+
+ bool IsLittle = Subtarget->isLittle();
+ EVT VT = Op.getValueType();
+ ISD::LoadExtType ExtType = LD->getExtensionType();
+ SDValue Chain = LD->getChain(), Undef = DAG.getUNDEF(VT);
+
+ assert((VT == MVT::i32) || (VT == MVT::i64));
+
+ // Expand
+ // (set dst, (i64 (load baseptr)))
+ // to
+ // (set tmp, (ldl (add baseptr, 7), undef))
+ // (set dst, (ldr baseptr, tmp))
+ if ((VT == MVT::i64) && (ExtType == ISD::NON_EXTLOAD)) {
+ SDValue LDL = CreateLoadLR(MipsISD::LDL, DAG, LD, Chain, Undef,
+ IsLittle ? 7 : 0);
+ return CreateLoadLR(MipsISD::LDR, DAG, LD, LDL.getValue(1), LDL,
+ IsLittle ? 0 : 7);
+ }
+
+ SDValue LWL = CreateLoadLR(MipsISD::LWL, DAG, LD, Chain, Undef,
+ IsLittle ? 3 : 0);
+ SDValue LWR = CreateLoadLR(MipsISD::LWR, DAG, LD, LWL.getValue(1), LWL,
+ IsLittle ? 0 : 3);
+
+ // Expand
+ // (set dst, (i32 (load baseptr))) or
+ // (set dst, (i64 (sextload baseptr))) or
+ // (set dst, (i64 (extload baseptr)))
+ // to
+ // (set tmp, (lwl (add baseptr, 3), undef))
+ // (set dst, (lwr baseptr, tmp))
+ if ((VT == MVT::i32) || (ExtType == ISD::SEXTLOAD) ||
+ (ExtType == ISD::EXTLOAD))
+ return LWR;
+
+ assert((VT == MVT::i64) && (ExtType == ISD::ZEXTLOAD));
+
+ // Expand
+ // (set dst, (i64 (zextload baseptr)))
+ // to
+ // (set tmp0, (lwl (add baseptr, 3), undef))
+ // (set tmp1, (lwr baseptr, tmp0))
+ // (set tmp2, (shl tmp1, 32))
+ // (set dst, (srl tmp2, 32))
+ DebugLoc DL = LD->getDebugLoc();
+ SDValue Const32 = DAG.getConstant(32, MVT::i32);
+ SDValue SLL = DAG.getNode(ISD::SHL, DL, MVT::i64, LWR, Const32);
+ SDValue SRL = DAG.getNode(ISD::SRL, DL, MVT::i64, SLL, Const32);
+ SDValue Ops[] = { SRL, LWR.getValue(1) };
+ return DAG.getMergeValues(Ops, 2, DL);
+}
+
+static SDValue CreateStoreLR(unsigned Opc, SelectionDAG &DAG, StoreSDNode *SD,
+ SDValue Chain, unsigned Offset) {
+ SDValue BasePtr = SD->getBasePtr(), Ptr, Value = SD->getValue();
+ EVT MemVT = SD->getMemoryVT();
+ EVT BasePtrVT = BasePtr.getValueType();
+ DebugLoc DL = SD->getDebugLoc();
+ SDVTList VTList = DAG.getVTList(MVT::Other);
+
+ if (Offset)
+ Ptr = DAG.getNode(ISD::ADD, DL, BasePtrVT, BasePtr,
+ DAG.getConstant(Offset, BasePtrVT));
+ else
+ Ptr = BasePtr;
+
+ SDValue Ops[] = { Chain, Value, Ptr };
+ return DAG.getMemIntrinsicNode(Opc, DL, VTList, Ops, 3, MemVT,
+ SD->getMemOperand());
+}
+
+// Expand an unaligned 32 or 64-bit integer store node.
+SDValue MipsTargetLowering::LowerSTORE(SDValue Op, SelectionDAG &DAG) const {
+ StoreSDNode *SD = cast<StoreSDNode>(Op);
+ EVT MemVT = SD->getMemoryVT();
+
+ // Return if store is aligned or if MemVT is neither i32 nor i64.
+ if ((SD->getAlignment() >= MemVT.getSizeInBits() / 8) ||
+ ((MemVT != MVT::i32) && (MemVT != MVT::i64)))
+ return SDValue();
+
+ bool IsLittle = Subtarget->isLittle();
+ SDValue Value = SD->getValue(), Chain = SD->getChain();
+ EVT VT = Value.getValueType();
+
+ // Expand
+ // (store val, baseptr) or
+ // (truncstore val, baseptr)
+ // to
+ // (swl val, (add baseptr, 3))
+ // (swr val, baseptr)
+ if ((VT == MVT::i32) || SD->isTruncatingStore()) {
+ SDValue SWL = CreateStoreLR(MipsISD::SWL, DAG, SD, Chain,
+ IsLittle ? 3 : 0);
+ return CreateStoreLR(MipsISD::SWR, DAG, SD, SWL, IsLittle ? 0 : 3);
+ }
+
+ assert(VT == MVT::i64);
+
+ // Expand
+ // (store val, baseptr)
+ // to
+ // (sdl val, (add baseptr, 7))
+ // (sdr val, baseptr)
+ SDValue SDL = CreateStoreLR(MipsISD::SDL, DAG, SD, Chain, IsLittle ? 7 : 0);
+ return CreateStoreLR(MipsISD::SDR, DAG, SD, SDL, IsLittle ? 0 : 7);
+}
+
//===----------------------------------------------------------------------===//
// Calling Convention Implementation
//===----------------------------------------------------------------------===//
CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
getTargetMachine(), ArgLocs, *DAG.getContext());
- if (IsO32)
+ if (CallConv == CallingConv::Fast)
+ CCInfo.AnalyzeCallOperands(Outs, CC_Mips_FastCC);
+ else if (IsO32)
CCInfo.AnalyzeCallOperands(Outs, CC_MipsO32);
else if (HasMips64)
AnalyzeMips64CallOperands(CCInfo, Outs);
// Update size of the maximum argument space.
// For O32, a minimum of four words (16 bytes) of argument space is
// allocated.
- if (IsO32)
+ if (IsO32 && (CallConv != CallingConv::Fast))
NextStackOffset = std::max(NextStackOffset, (unsigned)16);
unsigned MaxCallFrameSize = MipsFI->getMaxCallFrameSize();
CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
getTargetMachine(), ArgLocs, *DAG.getContext());
- if (IsO32)
+ if (CallConv == CallingConv::Fast)
+ CCInfo.AnalyzeFormalArguments(Ins, CC_Mips_FastCC);
+ else if (IsO32)
CCInfo.AnalyzeFormalArguments(Ins, CC_MipsO32);
else
CCInfo.AnalyzeFormalArguments(Ins, CC_Mips);
projects / oota-llvm.git / blobdiff