setSetCCResultType(MVT::i64);
setSetCCResultContents(ZeroOrOneSetCCResult);
+ setUsesGlobalOffsetTable(true);
+
addRegisterClass(MVT::i64, Alpha::GPRCRegisterClass);
addRegisterClass(MVT::f64, Alpha::F8RCRegisterClass);
addRegisterClass(MVT::f32, Alpha::F4RCRegisterClass);
- setOperationAction(ISD::BRIND, MVT::i64, Expand);
- setOperationAction(ISD::BR_CC, MVT::Other, Expand);
- setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
+ setLoadXAction(ISD::EXTLOAD, MVT::i1, Promote);
+ setLoadXAction(ISD::EXTLOAD, MVT::f32, Expand);
- setOperationAction(ISD::EXTLOAD, MVT::i1, Promote);
- setOperationAction(ISD::EXTLOAD, MVT::f32, Expand);
+ setLoadXAction(ISD::ZEXTLOAD, MVT::i1, Promote);
+ setLoadXAction(ISD::ZEXTLOAD, MVT::i32, Expand);
- setOperationAction(ISD::ZEXTLOAD, MVT::i1, Promote);
- setOperationAction(ISD::ZEXTLOAD, MVT::i32, Expand);
+ setLoadXAction(ISD::SEXTLOAD, MVT::i1, Promote);
+ setLoadXAction(ISD::SEXTLOAD, MVT::i8, Expand);
+ setLoadXAction(ISD::SEXTLOAD, MVT::i16, Expand);
- setOperationAction(ISD::SEXTLOAD, MVT::i1, Promote);
- setOperationAction(ISD::SEXTLOAD, MVT::i8, Expand);
- setOperationAction(ISD::SEXTLOAD, MVT::i16, Expand);
+ // setOperationAction(ISD::BRIND, MVT::i64, Expand);
+ setOperationAction(ISD::BR_CC, MVT::Other, Expand);
+ setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
setOperationAction(ISD::TRUNCSTORE, MVT::i1, Promote);
+ setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
+
setOperationAction(ISD::FREM, MVT::f32, Expand);
setOperationAction(ISD::FREM, MVT::f64, Expand);
setOperationAction(ISD::FSQRT, MVT::f64, Expand);
setOperationAction(ISD::FSQRT, MVT::f32, Expand);
- // FIXME: Alpha supports fcopysign natively!?
- setOperationAction(ISD::FCOPYSIGN, MVT::f64, Expand);
- setOperationAction(ISD::FCOPYSIGN, MVT::f32, Expand);
-
setOperationAction(ISD::SETCC, MVT::f32, Promote);
// We don't have line number support yet.
setOperationAction(ISD::RET, MVT::Other, Custom);
+ setOperationAction(ISD::JumpTable, MVT::i64, Custom);
+ setOperationAction(ISD::JumpTable, MVT::i32, Custom);
+
setStackPointerRegisterToSaveRestore(Alpha::R30);
setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
addLegalFPImmediate(+0.0); //F31
addLegalFPImmediate(-0.0); //-F31
+ setJumpBufSize(272);
+ setJumpBufAlignment(16);
+
computeRegisterProperties();
useITOF = TM.getSubtarget<AlphaSubtarget>().hasF2I();
case AlphaISD::GPRelHi: return "Alpha::GPRelHi";
case AlphaISD::GPRelLo: return "Alpha::GPRelLo";
case AlphaISD::RelLit: return "Alpha::RelLit";
- case AlphaISD::GlobalBaseReg: return "Alpha::GlobalBaseReg";
case AlphaISD::GlobalRetAddr: return "Alpha::GlobalRetAddr";
case AlphaISD::CALL: return "Alpha::CALL";
case AlphaISD::DivCall: return "Alpha::DivCall";
}
}
-//http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PY8AC-TET1_html/callCH3.html#BLOCK21
+static SDOperand LowerJumpTable(SDOperand Op, SelectionDAG &DAG) {
+ MVT::ValueType PtrVT = Op.getValueType();
+ JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
+ SDOperand JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
+ SDOperand Zero = DAG.getConstant(0, PtrVT);
+
+ const TargetMachine &TM = DAG.getTarget();
+
+ SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi, MVT::i64, JTI,
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
+ SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, JTI, Hi);
+ return Lo;
+}
+
+//http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/
+//AA-PY8AC-TET1_html/callCH3.html#BLOCK21
//For now, just use variable size stack frame format
static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
int &VarArgsBase,
- int &VarArgsOffset,
- unsigned int &GP,
- unsigned int &RA) {
+ int &VarArgsOffset) {
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
SSARegMap *RegMap = MF.getSSARegMap();
std::vector<SDOperand> ArgValues;
SDOperand Root = Op.getOperand(0);
- GP = AddLiveIn(MF, Alpha::R29, &Alpha::GPRCRegClass);
- RA = AddLiveIn(MF, Alpha::R26, &Alpha::GPRCRegClass);
+ AddLiveIn(MF, Alpha::R29, &Alpha::GPRCRegClass); //GP
+ AddLiveIn(MF, Alpha::R26, &Alpha::GPRCRegClass); //RA
unsigned args_int[] = {
Alpha::R16, Alpha::R17, Alpha::R18, Alpha::R19, Alpha::R20, Alpha::R21};
// Create the SelectionDAG nodes corresponding to a load
//from this parameter
SDOperand FIN = DAG.getFrameIndex(FI, MVT::i64);
- ArgVal = DAG.getLoad(ObjectVT, Root, FIN, DAG.getSrcValue(NULL));
+ ArgVal = DAG.getLoad(ObjectVT, Root, FIN, NULL, 0);
}
ArgValues.push_back(ArgVal);
}
int FI = MFI->CreateFixedObject(8, -8 * (6 - i));
if (i == 0) VarArgsBase = FI;
SDOperand SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getNode(ISD::STORE, MVT::Other, Root, argt,
- SDFI, DAG.getSrcValue(NULL)));
+ LS.push_back(DAG.getStore(Root, argt, SDFI, DAG.getSrcValue(NULL)));
if (MRegisterInfo::isPhysicalRegister(args_float[i]))
args_float[i] = AddLiveIn(MF, args_float[i], &Alpha::F8RCRegClass);
argt = DAG.getCopyFromReg(Root, args_float[i], MVT::f64);
FI = MFI->CreateFixedObject(8, - 8 * (12 - i));
SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getNode(ISD::STORE, MVT::Other, Root, argt,
- SDFI, DAG.getSrcValue(NULL)));
+ LS.push_back(DAG.getStore(Root, argt, SDFI, DAG.getSrcValue(NULL)));
}
//Set up a token factor with all the stack traffic
- Root = DAG.getNode(ISD::TokenFactor, MVT::Other, LS);
+ Root = DAG.getNode(ISD::TokenFactor, MVT::Other, &LS[0], LS.size());
}
ArgValues.push_back(Root);
// Return the new list of results.
std::vector<MVT::ValueType> RetVT(Op.Val->value_begin(),
Op.Val->value_end());
- return DAG.getNode(ISD::MERGE_VALUES, RetVT, ArgValues);
+ return DAG.getNode(ISD::MERGE_VALUES, RetVT, &ArgValues[0], ArgValues.size());
}
-static SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG, unsigned int RA) {
+static SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG) {
SDOperand Copy = DAG.getCopyToReg(Op.getOperand(0), Alpha::R26,
- DAG.getNode(AlphaISD::GlobalRetAddr, MVT::i64),
+ DAG.getNode(AlphaISD::GlobalRetAddr,
+ MVT::i64),
SDOperand());
switch (Op.getNumOperands()) {
default:
Ops.push_back(Chain);
Ops.push_back(Callee);
Ops.insert(Ops.end(), args_to_use.begin(), args_to_use.end());
- SDOperand TheCall = DAG.getNode(AlphaISD::CALL, RetVals, Ops);
+ SDOperand TheCall = DAG.getNode(AlphaISD::CALL, RetVals, &Ops[0], Ops.size());
Chain = TheCall.getValue(RetTyVT != MVT::isVoid);
Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
DAG.getConstant(NumBytes, getPointerTy()));
return std::make_pair(RetVal, Chain);
}
-void AlphaTargetLowering::restoreGP(MachineBasicBlock* BB)
-{
- BuildMI(BB, Alpha::BIS, 2, Alpha::R29).addReg(GP).addReg(GP);
-}
-void AlphaTargetLowering::restoreRA(MachineBasicBlock* BB)
-{
- BuildMI(BB, Alpha::BIS, 2, Alpha::R26).addReg(RA).addReg(RA);
-}
-
static int getUID()
{
static int id = 0;
default: assert(0 && "Wasn't expecting to be able to lower this!");
case ISD::FORMAL_ARGUMENTS: return LowerFORMAL_ARGUMENTS(Op, DAG,
VarArgsBase,
- VarArgsOffset,
- GP, RA);
- case ISD::RET: return LowerRET(Op,DAG, getVRegRA());
+ VarArgsOffset);
+
+ case ISD::RET: return LowerRET(Op,DAG);
+ case ISD::JumpTable: return LowerJumpTable(Op, DAG);
+
case ISD::SINT_TO_FP: {
assert(MVT::i64 == Op.getOperand(0).getValueType() &&
"Unhandled SINT_TO_FP type in custom expander!");
int FrameIdx =
DAG.getMachineFunction().getFrameInfo()->CreateStackObject(8, 8);
SDOperand FI = DAG.getFrameIndex(FrameIdx, MVT::i64);
- SDOperand ST = DAG.getNode(ISD::STORE, MVT::Other, DAG.getEntryNode(),
- Op.getOperand(0), FI, DAG.getSrcValue(0));
- LD = DAG.getLoad(MVT::f64, ST, FI, DAG.getSrcValue(0));
+ SDOperand ST = DAG.getStore(DAG.getEntryNode(),
+ Op.getOperand(0), FI, DAG.getSrcValue(0));
+ LD = DAG.getLoad(MVT::f64, ST, FI, NULL, 0);
}
SDOperand FP = DAG.getNode(isDouble?AlphaISD::CVTQT_:AlphaISD::CVTQS_,
isDouble?MVT::f64:MVT::f32, LD);
int FrameIdx =
DAG.getMachineFunction().getFrameInfo()->CreateStackObject(8, 8);
SDOperand FI = DAG.getFrameIndex(FrameIdx, MVT::i64);
- SDOperand ST = DAG.getNode(ISD::STORE, MVT::Other, DAG.getEntryNode(),
- src, FI, DAG.getSrcValue(0));
- return DAG.getLoad(MVT::i64, ST, FI, DAG.getSrcValue(0));
+ SDOperand ST = DAG.getStore(DAG.getEntryNode(),
+ src, FI, DAG.getSrcValue(0));
+ return DAG.getLoad(MVT::i64, ST, FI, NULL, 0);
}
}
case ISD::ConstantPool: {
ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
- Constant *C = CP->get();
+ Constant *C = CP->getConstVal();
SDOperand CPI = DAG.getTargetConstantPool(C, MVT::i64, CP->getAlignment());
SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi, MVT::i64, CPI,
- DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, CPI, Hi);
return Lo;
}
// if (!GV->hasWeakLinkage() && !GV->isExternal() && !GV->hasLinkOnceLinkage()) {
if (GV->hasInternalLinkage()) {
SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi, MVT::i64, GA,
- DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, GA, Hi);
return Lo;
} else
- return DAG.getNode(AlphaISD::RelLit, MVT::i64, GA, DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ return DAG.getNode(AlphaISD::RelLit, MVT::i64, GA,
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
}
case ISD::ExternalSymbol: {
return DAG.getNode(AlphaISD::RelLit, MVT::i64,
- DAG.getTargetExternalSymbol(cast<ExternalSymbolSDNode>(Op)->getSymbol(), MVT::i64),
- DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ DAG.getTargetExternalSymbol(cast<ExternalSymbolSDNode>(Op)
+ ->getSymbol(), MVT::i64),
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
}
case ISD::UREM:
case ISD::VAARG: {
SDOperand Chain = Op.getOperand(0);
SDOperand VAListP = Op.getOperand(1);
- SDOperand VAListS = Op.getOperand(2);
+ SrcValueSDNode *VAListS = cast<SrcValueSDNode>(Op.getOperand(2));
- SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAListP, VAListS);
+ SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAListP, VAListS->getValue(),
+ VAListS->getOffset());
SDOperand Tmp = DAG.getNode(ISD::ADD, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
SDOperand Offset = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Base.getValue(1),
- Tmp, DAG.getSrcValue(0), MVT::i32);
+ Tmp, NULL, 0, MVT::i32);
SDOperand DataPtr = DAG.getNode(ISD::ADD, MVT::i64, Base, Offset);
if (MVT::isFloatingPoint(Op.getValueType()))
{
SDOperand Result;
if (Op.getValueType() == MVT::i32)
Result = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Update, DataPtr,
- DAG.getSrcValue(0), MVT::i32);
+ NULL, 0, MVT::i32);
else
- Result = DAG.getLoad(Op.getValueType(), Update, DataPtr,
- DAG.getSrcValue(0));
+ Result = DAG.getLoad(Op.getValueType(), Update, DataPtr, NULL, 0);
return Result;
}
case ISD::VACOPY: {
SDOperand DestP = Op.getOperand(1);
SDOperand SrcP = Op.getOperand(2);
SDOperand DestS = Op.getOperand(3);
- SDOperand SrcS = Op.getOperand(4);
+ SrcValueSDNode *SrcS = cast<SrcValueSDNode>(Op.getOperand(4));
- SDOperand Val = DAG.getLoad(getPointerTy(), Chain, SrcP, SrcS);
- SDOperand Result = DAG.getNode(ISD::STORE, MVT::Other, Val.getValue(1), Val,
- DestP, DestS);
+ SDOperand Val = DAG.getLoad(getPointerTy(), Chain, SrcP,
+ SrcS->getValue(), SrcS->getOffset());
+ SDOperand Result = DAG.getStore(Val.getValue(1), Val, DestP, DestS);
SDOperand NP = DAG.getNode(ISD::ADD, MVT::i64, SrcP,
DAG.getConstant(8, MVT::i64));
- Val = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Result, NP,
- DAG.getSrcValue(0), MVT::i32);
+ Val = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Result, NP, NULL,0, MVT::i32);
SDOperand NPD = DAG.getNode(ISD::ADD, MVT::i64, DestP,
DAG.getConstant(8, MVT::i64));
return DAG.getNode(ISD::TRUNCSTORE, MVT::Other, Val.getValue(1),
// vastart stores the address of the VarArgsBase and VarArgsOffset
SDOperand FR = DAG.getFrameIndex(VarArgsBase, MVT::i64);
- SDOperand S1 = DAG.getNode(ISD::STORE, MVT::Other, Chain, FR, VAListP,
- VAListS);
+ SDOperand S1 = DAG.getStore(Chain, FR, VAListP, VAListS);
SDOperand SA2 = DAG.getNode(ISD::ADD, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
return DAG.getNode(ISD::TRUNCSTORE, MVT::Other, S1,
switch (ConstraintLetter) {
default: break;
case 'f':
+ case 'r':
return C_RegisterClass;
}
return TargetLowering::getConstraintType(ConstraintLetter);
Alpha::F24, Alpha::F25, Alpha::F26,
Alpha::F27, Alpha::F28, Alpha::F29,
Alpha::F30, Alpha::F31, 0);
+ case 'r':
+ return make_vector<unsigned>(Alpha::R0 , Alpha::R1 , Alpha::R2 ,
+ Alpha::R3 , Alpha::R4 , Alpha::R5 ,
+ Alpha::R6 , Alpha::R7 , Alpha::R8 ,
+ Alpha::R9 , Alpha::R10, Alpha::R11,
+ Alpha::R12, Alpha::R13, Alpha::R14,
+ Alpha::R15, Alpha::R16, Alpha::R17,
+ Alpha::R18, Alpha::R19, Alpha::R20,
+ Alpha::R21, Alpha::R22, Alpha::R23,
+ Alpha::R24, Alpha::R25, Alpha::R26,
+ Alpha::R27, Alpha::R28, Alpha::R29,
+ Alpha::R30, Alpha::R31, 0);
+
}
}