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mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 12:12:47 +01:00

initial fp support

llvm-svn: 19847
This commit is contained in:
Andrew Lenharth 2005-01-26 21:54:09 +00:00
parent 7e3c525545
commit 1f0b710fb6
5 changed files with 364 additions and 232 deletions

View File

@ -53,6 +53,14 @@ namespace {
setOperationAction(ISD::ZERO_EXTEND_INREG, MVT::i1, Expand); setOperationAction(ISD::ZERO_EXTEND_INREG, MVT::i1, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand); setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
// setOperationAction(ISD::UINT_TO_FP , MVT::i64 , Expand);
// setOperationAction(ISD::UINT_TO_FP , MVT::i64 , Expand);
setOperationAction(ISD::SINT_TO_FP , MVT::i1 , Promote);
setOperationAction(ISD::SINT_TO_FP , MVT::i8 , Promote);
setOperationAction(ISD::SINT_TO_FP , MVT::i16 , Promote);
setOperationAction(ISD::SINT_TO_FP , MVT::i32 , Promote);
setOperationAction(ISD::FP_TO_SINT , MVT::f32 , Promote);
computeRegisterProperties(); computeRegisterProperties();
@ -124,18 +132,35 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
//Handle the return address //Handle the return address
//BuildMI(&BB, Alpha::IDEF, 0, Alpha::R26); //BuildMI(&BB, Alpha::IDEF, 0, Alpha::R26);
unsigned args[] = {Alpha::R16, Alpha::R17, Alpha::R18, unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18,
Alpha::R19, Alpha::R20, Alpha::R21}; Alpha::R19, Alpha::R20, Alpha::R21};
unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18,
Alpha::F19, Alpha::F20, Alpha::F21};
std::vector<unsigned> argVreg; std::vector<unsigned> argVreg;
std::vector<unsigned> argPreg;
int count = 0; int count = 0;
for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I) for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I)
{ {
++count; ++count;
assert(count <= 6 && "More than 6 args not supported"); assert(count <= 6 && "More than 6 args not supported");
assert(getValueType(I->getType()) != MVT::f64 && "No floats yet"); switch (getValueType(I->getType())) {
BuildMI(&BB, Alpha::IDEF, 0, args[count - 1]); default: std::cerr << "Unknown Type " << getValueType(I->getType()) << "\n"; abort();
argVreg.push_back(MF.getSSARegMap()->createVirtualRegister(getRegClassFor(MVT::i64))); case MVT::f64:
case MVT::f32:
BuildMI(&BB, Alpha::IDEF, 0, args_float[count - 1]);
argVreg.push_back(MF.getSSARegMap()->createVirtualRegister(getRegClassFor(getValueType(I->getType()))));
argPreg.push_back(args_float[count - 1]);
break;
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
case MVT::i64:
BuildMI(&BB, Alpha::IDEF, 0, args_int[count - 1]);
argVreg.push_back(MF.getSSARegMap()->createVirtualRegister(getRegClassFor(getValueType(I->getType()))));
argPreg.push_back(args_int[count - 1]);
break;
}
} }
BuildMI(&BB, Alpha::IDEF, 0, Alpha::R29); BuildMI(&BB, Alpha::IDEF, 0, Alpha::R29);
@ -143,25 +168,30 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
count = 0; count = 0;
for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I) for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I)
{ {
BuildMI(&BB, Alpha::BIS, 2, argVreg[count]).addReg(args[count]).addReg(args[count]); SDOperand newroot;
unsigned Opc;
SDOperand argt, newroot;
switch (getValueType(I->getType())) switch (getValueType(I->getType()))
{ {
default: assert(0 && "Unhandled type");
case MVT::i64: case MVT::i64:
argt = newroot = DAG.getCopyFromReg(argVreg[count], MVT::i64, DAG.getRoot());
break;
case MVT::i32: case MVT::i32:
argt = newroot = DAG.getCopyFromReg(argVreg[count], MVT::i32, DAG.getRoot()); case MVT::i16:
case MVT::i8:
case MVT::i1:
Opc = Alpha::BIS;
break;
case MVT::f32:
case MVT::f64:
Opc = Alpha::CPYS;
break; break;
default:
newroot = DAG.getCopyFromReg(argVreg[count], MVT::i64, DAG.getRoot());
argt = DAG.getNode(ISD::TRUNCATE, getValueType(I->getType()), newroot);
} }
BuildMI(&BB, Opc, 2, argVreg[count]).addReg(argPreg[count]).addReg(argPreg[count]);
newroot = DAG.getCopyFromReg(argVreg[count], getValueType(I->getType()), DAG.getRoot());
DAG.setRoot(newroot.getValue(1)); DAG.setRoot(newroot.getValue(1));
ArgValues.push_back(argt); ArgValues.push_back(newroot);
++count; ++count;
} }
return ArgValues; return ArgValues;
} }
@ -184,9 +214,9 @@ AlphaTargetLowering::LowerCallTo(SDOperand Chain,
// Promote the integer to 64 bits. If the input type is signed use a // Promote the integer to 64 bits. If the input type is signed use a
// sign extend, otherwise use a zero extend. // sign extend, otherwise use a zero extend.
if (Args[i].second->isSigned()) if (Args[i].second->isSigned())
Args[i].first = DAG.getNode(ISD::SIGN_EXTEND, MVT::i64, Args[i].first); Args[i].first = DAG.getNode(ISD::SIGN_EXTEND_INREG, MVT::i64, Args[i].first);
else else
Args[i].first = DAG.getNode(ISD::ZERO_EXTEND, MVT::i64, Args[i].first); Args[i].first = DAG.getNode(ISD::ZERO_EXTEND_INREG, MVT::i64, Args[i].first);
break; break;
case MVT::i64: case MVT::i64:
break; break;
@ -317,18 +347,12 @@ unsigned ISel::SelectExpr(SDOperand N) {
Tmp1 = SelectExpr(Node->getOperand(1)); Tmp1 = SelectExpr(Node->getOperand(1));
switch(Node->getValueType(0)) { switch(Node->getValueType(0)) {
default: assert(0 && "Unknown type to sign extend to."); default: Node->dump(); assert(0 && "Unknown type to sign extend to.");
case MVT::i64: case MVT::i64:
switch (cast<MVTSDNode>(Node)->getExtraValueType()) { switch (cast<MVTSDNode>(Node)->getExtraValueType()) {
default: default:
std::cerr << cast<MVTSDNode>(Node)->getExtraValueType() Node->dump();
<< "(i1 is " << MVT::i1 assert(0 && "Bad extend load!");
<< " i8 is " << MVT::i8
<< " i16 is " << MVT::i16
<< " i32 is " << MVT::i32
<< " i64 is " << MVT::i64
<< ")\n";
assert(0 && "Bad extend load!");
case MVT::i64: case MVT::i64:
BuildMI(BB, Alpha::LDQ, 2, Result).addImm(0).addReg(Tmp1); BuildMI(BB, Alpha::LDQ, 2, Result).addImm(0).addReg(Tmp1);
break; break;
@ -357,11 +381,12 @@ unsigned ISel::SelectExpr(SDOperand N) {
Select(Node->getOperand(0)); // chain Select(Node->getOperand(0)); // chain
Tmp1 = SelectExpr(Node->getOperand(1)); Tmp1 = SelectExpr(Node->getOperand(1));
switch(Node->getValueType(0)) { switch(Node->getValueType(0)) {
default: assert(0 && "Unknown type to sign extend to."); default: Node->dump(); assert(0 && "Unknown type to sign extend to.");
case MVT::i64: case MVT::i64:
switch (cast<MVTSDNode>(Node)->getExtraValueType()) { switch (cast<MVTSDNode>(Node)->getExtraValueType()) {
default: default:
assert(0 && "Bad sign extend!"); Node->dump();
assert(0 && "Bad sign extend!");
case MVT::i32: case MVT::i32:
BuildMI(BB, Alpha::LDL, 2, Result).addImm(0).addReg(Tmp1); BuildMI(BB, Alpha::LDL, 2, Result).addImm(0).addReg(Tmp1);
break; break;
@ -386,11 +411,12 @@ unsigned ISel::SelectExpr(SDOperand N) {
Select(Node->getOperand(0)); // chain Select(Node->getOperand(0)); // chain
Tmp1 = SelectExpr(Node->getOperand(1)); Tmp1 = SelectExpr(Node->getOperand(1));
switch(Node->getValueType(0)) { switch(Node->getValueType(0)) {
default: assert(0 && "Unknown type to zero extend to."); default: Node->dump(); assert(0 && "Unknown type to zero extend to.");
case MVT::i64: case MVT::i64:
switch (cast<MVTSDNode>(Node)->getExtraValueType()) { switch (cast<MVTSDNode>(Node)->getExtraValueType()) {
default: default:
assert(0 && "Bad sign extend!"); Node->dump();
assert(0 && "Bad sign extend!");
case MVT::i16: case MVT::i16:
BuildMI(BB, Alpha::LDWU, 2, Result).addImm(0).addReg(Tmp1); BuildMI(BB, Alpha::LDWU, 2, Result).addImm(0).addReg(Tmp1);
break; break;
@ -412,7 +438,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
case ISD::CALL: case ISD::CALL:
{ {
Select(N.getOperand(0)); Select(N.getOperand(0));
// The chain for this call is now lowered. // The chain for this call is now lowered.
ExprMap.insert(std::make_pair(N.getValue(Node->getNumValues()-1), 1)); ExprMap.insert(std::make_pair(N.getValue(Node->getNumValues()-1), 1));
@ -420,67 +446,86 @@ unsigned ISel::SelectExpr(SDOperand N) {
std::vector<unsigned> argvregs; std::vector<unsigned> argvregs;
assert(Node->getNumOperands() < 8 && "Only 6 args supported"); assert(Node->getNumOperands() < 8 && "Only 6 args supported");
for(int i = 2, e = Node->getNumOperands(); i < e; ++i) for(int i = 2, e = Node->getNumOperands(); i < e; ++i)
{ argvregs.push_back(SelectExpr(N.getOperand(i)));
argvregs.push_back(SelectExpr(N.getOperand(i)));
}
for(int i = 0, e = argvregs.size(); i < e; ++i) for(int i = 0, e = argvregs.size(); i < e; ++i)
{ {
unsigned args[] = {Alpha::R16, Alpha::R17, Alpha::R18, unsigned args_int[] = {Alpha::R16, Alpha::R17, Alpha::R18,
Alpha::R19, Alpha::R20, Alpha::R21}; Alpha::R19, Alpha::R20, Alpha::R21};
unsigned args_float[] = {Alpha::F16, Alpha::F17, Alpha::F18,
BuildMI(BB, Alpha::BIS, 2, args[i]).addReg(argvregs[i]).addReg(argvregs[i]); Alpha::F19, Alpha::F20, Alpha::F21};
switch(N.getOperand(i).getValueType()) {
default: Node->dump(); assert(0 && "Unknown value type for call");
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
case MVT::i64:
BuildMI(BB, Alpha::BIS, 2, args_int[i]).addReg(argvregs[i]).addReg(argvregs[i]);
break;
case MVT::f32:
case MVT::f64:
BuildMI(BB, Alpha::CPYS, 2, args_float[i]).addReg(argvregs[i]).addReg(argvregs[i]);
break;
}
}
//build the right kind of call
if (GlobalAddressSDNode *GASD =
dyn_cast<GlobalAddressSDNode>(N.getOperand(1)))
{
Select(N.getOperand(0));
AlphaLowering.restoreGP(BB);
BuildMI(BB, Alpha::CALL, 1).addGlobalAddress(GASD->getGlobal(),true);
}
else if (ExternalSymbolSDNode *ESSDN =
dyn_cast<ExternalSymbolSDNode>(N.getOperand(1)))
{
Select(N.getOperand(0));
AlphaLowering.restoreGP(BB);
BuildMI(BB, Alpha::CALL, 0).addExternalSymbol(ESSDN->getSymbol(), true);
}
else
{
Select(N.getOperand(0));
Tmp1 = SelectExpr(N.getOperand(1));
BuildMI(BB, Alpha::CALL, 1).addReg(Tmp1);
AlphaLowering.restoreGP(BB);
}
//push the result into a virtual register
// if (Result != 1)
// BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R0).addReg(Alpha::R0);
switch (Node->getValueType(0)) {
default: Node->dump(); assert(0 && "Unknown value type for call result!");
case MVT::Other: return 1;
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
case MVT::i64:
BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R0).addReg(Alpha::R0);
break;
case MVT::f32:
case MVT::f64:
BuildMI(BB, Alpha::CPYS, 2, Result).addReg(Alpha::F0).addReg(Alpha::F0);
break;
} }
return Result+N.ResNo;
//build the right kind of call
if (GlobalAddressSDNode *GASD =
dyn_cast<GlobalAddressSDNode>(N.getOperand(1)))
{
Select(N.getOperand(0));
AlphaLowering.restoreGP(BB);
BuildMI(BB, Alpha::CALL, 1).addGlobalAddress(GASD->getGlobal(),true);
}
else if (ExternalSymbolSDNode *ESSDN =
dyn_cast<ExternalSymbolSDNode>(N.getOperand(1)))
{
Select(N.getOperand(0));
AlphaLowering.restoreGP(BB);
BuildMI(BB, Alpha::CALL, 0).addExternalSymbol(ESSDN->getSymbol(), true);
}
else {
Select(N.getOperand(0));
Tmp1 = SelectExpr(N.getOperand(1));
BuildMI(BB, Alpha::CALL, 1).addReg(Tmp1);
AlphaLowering.restoreGP(BB);
}
//push the result into a virtual register
// if (Result != 1)
// BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R0).addReg(Alpha::R0);
switch (Node->getValueType(0)) {
default: assert(0 && "Unknown value type for call result!");
case MVT::Other: return 1;
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
case MVT::i64:
BuildMI(BB, Alpha::BIS, 2, Result).addReg(Alpha::R0).addReg(Alpha::R0);
break;
}
return Result+N.ResNo;
} }
case ISD::SIGN_EXTEND: case ISD::SIGN_EXTEND:
case ISD::SIGN_EXTEND_INREG: case ISD::SIGN_EXTEND_INREG:
{ {
Tmp1 = SelectExpr(N.getOperand(0)); Tmp1 = SelectExpr(N.getOperand(0));
MVTSDNode* MVN = dyn_cast<MVTSDNode>(Node); MVTSDNode* MVN = dyn_cast<MVTSDNode>(Node);
std::cerr << "SrcT: " << MVN->getExtraValueType() << "\n"; //std::cerr << "SrcT: " << MVN->getExtraValueType() << "\n";
switch(MVN->getExtraValueType()) switch(MVN->getExtraValueType())
{ {
default: default:
assert(0 && "Sign Extend InReg not there yet"); Node->dump();
assert(0 && "Sign Extend InReg not there yet");
break; break;
case MVT::i32: case MVT::i32:
{ {
@ -500,11 +545,12 @@ unsigned ISel::SelectExpr(SDOperand N) {
{ {
Tmp1 = SelectExpr(N.getOperand(0)); Tmp1 = SelectExpr(N.getOperand(0));
MVTSDNode* MVN = dyn_cast<MVTSDNode>(Node); MVTSDNode* MVN = dyn_cast<MVTSDNode>(Node);
std::cerr << "SrcT: " << MVN->getExtraValueType() << "\n"; //std::cerr << "SrcT: " << MVN->getExtraValueType() << "\n";
switch(MVN->getExtraValueType()) switch(MVN->getExtraValueType())
{ {
default: default:
assert(0 && "Zero Extend InReg not there yet"); Node->dump();
assert(0 && "Zero Extend InReg not there yet");
break; break;
case MVT::i32: Tmp2 = 0xf0; break; case MVT::i32: Tmp2 = 0xf0; break;
case MVT::i16: Tmp2 = 0xfc; break; case MVT::i16: Tmp2 = 0xfc; break;
@ -520,7 +566,7 @@ unsigned ISel::SelectExpr(SDOperand N) {
if (SetCCSDNode *SetCC = dyn_cast<SetCCSDNode>(Node)) { if (SetCCSDNode *SetCC = dyn_cast<SetCCSDNode>(Node)) {
if (MVT::isInteger(SetCC->getOperand(0).getValueType())) { if (MVT::isInteger(SetCC->getOperand(0).getValueType())) {
switch (SetCC->getCondition()) { switch (SetCC->getCondition()) {
default: assert(0 && "Unknown integer comparison!"); default: Node->dump(); assert(0 && "Unknown integer comparison!");
case ISD::SETEQ: case ISD::SETEQ:
BuildMI(BB, Alpha::CMPEQ, 2, Result).addReg(Tmp1).addReg(Tmp2); BuildMI(BB, Alpha::CMPEQ, 2, Result).addReg(Tmp1).addReg(Tmp2);
break; break;
@ -558,11 +604,16 @@ unsigned ISel::SelectExpr(SDOperand N) {
} }
} }
else else
assert(0 && "only integer"); {
Node->dump();
assert(0 && "only integer");
}
} }
else else
assert(0 && "Not a setcc in setcc"); {
Node->dump();
assert(0 && "Not a setcc in setcc");
}
return Result; return Result;
case ISD::CopyFromReg: case ISD::CopyFromReg:
@ -587,94 +638,159 @@ unsigned ISel::SelectExpr(SDOperand N) {
case ISD::SHL: case ISD::SHL:
case ISD::SRL: case ISD::SRL:
case ISD::MUL: case ISD::MUL:
if(N.getOperand(1).getOpcode() == ISD::Constant && switch (N.getValueType()) {
cast<ConstantSDNode>(N.getOperand(1))->getValue() >= 0 && default: Node->dump(); assert (0 && "unhandled type");
cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 255) case MVT::f64:
{ assert(N.getOpcode() == ISD::MUL && "only mul here please");
switch(N.getOpcode()) { Tmp1 = SelectExpr(N.getOperand(0));
case ISD::AND: Opc = Alpha::ANDi; break; Tmp2 = SelectExpr(N.getOperand(1));
case ISD::OR: Opc = Alpha::BISi; break; BuildMI(BB, Alpha::MULT, 2, Result).addReg(Tmp1).addReg(Tmp2);
case ISD::XOR: Opc = Alpha::XORi; break; break;
case ISD::SHL: Opc = Alpha::SLi; break; case MVT::f32:
case ISD::SRL: Opc = Alpha::SRLi; break; assert(N.getOpcode() == ISD::MUL && "only mul here please");
case ISD::SRA: Opc = Alpha::SRAi; break; Tmp1 = SelectExpr(N.getOperand(0));
case ISD::MUL: Opc = Alpha::MULQi; break; Tmp2 = SelectExpr(N.getOperand(1));
}; BuildMI(BB, Alpha::MULS, 2, Result).addReg(Tmp1).addReg(Tmp2);
Tmp1 = SelectExpr(N.getOperand(0)); break;
Tmp2 = cast<ConstantSDNode>(N.getOperand(1))->getValue(); case MVT::i64:
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addImm(Tmp2); if(N.getOperand(1).getOpcode() == ISD::Constant &&
} cast<ConstantSDNode>(N.getOperand(1))->getValue() >= 0 &&
else cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 255)
{ {
switch(N.getOpcode()) { switch(N.getOpcode()) {
case ISD::AND: Opc = Alpha::AND; break; case ISD::AND: Opc = Alpha::ANDi; break;
case ISD::OR: Opc = Alpha::BIS; break; case ISD::OR: Opc = Alpha::BISi; break;
case ISD::XOR: Opc = Alpha::XOR; break; case ISD::XOR: Opc = Alpha::XORi; break;
case ISD::SHL: Opc = Alpha::SL; break; case ISD::SHL: Opc = Alpha::SLi; break;
case ISD::SRL: Opc = Alpha::SRL; break; case ISD::SRL: Opc = Alpha::SRLi; break;
case ISD::SRA: Opc = Alpha::SRA; break; case ISD::SRA: Opc = Alpha::SRAi; break;
case ISD::MUL: Opc = Alpha::MULQ; break; case ISD::MUL: Opc = Alpha::MULQi; break;
}; };
Tmp1 = SelectExpr(N.getOperand(0)); Tmp1 = SelectExpr(N.getOperand(0));
Tmp2 = SelectExpr(N.getOperand(1)); Tmp2 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2); BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addImm(Tmp2);
} }
else
{
switch(N.getOpcode()) {
case ISD::AND: Opc = Alpha::AND; break;
case ISD::OR: Opc = Alpha::BIS; break;
case ISD::XOR: Opc = Alpha::XOR; break;
case ISD::SHL: Opc = Alpha::SL; break;
case ISD::SRL: Opc = Alpha::SRL; break;
case ISD::SRA: Opc = Alpha::SRA; break;
case ISD::MUL: Opc = Alpha::MULQ; break;
};
Tmp1 = SelectExpr(N.getOperand(0));
Tmp2 = SelectExpr(N.getOperand(1));
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
}
break;
}
return Result; return Result;
case ISD::ADD: case ISD::ADD:
case ISD::SUB: case ISD::SUB:
{ {
bool isAdd = N.getOpcode() == ISD::ADD; bool isAdd = N.getOpcode() == ISD::ADD;
//FIXME: first check for Scaled Adds and Subs! switch (N.getValueType()) {
if(N.getOperand(1).getOpcode() == ISD::Constant && default: Node->dump(); assert(0 && "Unhandled type");
cast<ConstantSDNode>(N.getOperand(1))->getValue() >= 0 && case MVT::i64: {
cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 255) //FIXME: first check for Scaled Adds and Subs!
{ //Normal imm add/sub if(N.getOperand(1).getOpcode() == ISD::Constant &&
Opc = isAdd ? Alpha::ADDQi : Alpha::SUBQi; cast<ConstantSDNode>(N.getOperand(1))->getValue() >= 0 &&
Tmp1 = SelectExpr(N.getOperand(0)); cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 255)
Tmp2 = cast<ConstantSDNode>(N.getOperand(1))->getValue(); { //Normal imm add/sub
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addImm(Tmp2); Opc = isAdd ? Alpha::ADDQi : Alpha::SUBQi;
} Tmp1 = SelectExpr(N.getOperand(0));
else if(N.getOperand(1).getOpcode() == ISD::Constant && Tmp2 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
cast<ConstantSDNode>(N.getOperand(1))->getValue() >= 0 && BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addImm(Tmp2);
cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 32767) }
{ //LDA //FIXME: expand the above condition a bit else if(N.getOperand(1).getOpcode() == ISD::Constant &&
Tmp1 = SelectExpr(N.getOperand(0)); cast<ConstantSDNode>(N.getOperand(1))->getValue() >= 0 &&
Tmp2 = cast<ConstantSDNode>(N.getOperand(1))->getValue(); cast<ConstantSDNode>(N.getOperand(1))->getValue() <= 32767)
if (!isAdd) { //LDA //FIXME: expand the above condition a bit
Tmp2 = -Tmp2; Tmp1 = SelectExpr(N.getOperand(0));
BuildMI(BB, Alpha::LDA, 2, Result).addImm(Tmp2).addReg(Tmp1); Tmp2 = cast<ConstantSDNode>(N.getOperand(1))->getValue();
} if (!isAdd)
else Tmp2 = -Tmp2;
{ //Normal add/sub BuildMI(BB, Alpha::LDA, 2, Result).addImm(Tmp2).addReg(Tmp1);
Opc = isAdd ? Alpha::ADDQ : Alpha::SUBQ; }
Tmp1 = SelectExpr(N.getOperand(0)); else
Tmp2 = SelectExpr(N.getOperand(1)); { //Normal add/sub
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2); Opc = isAdd ? Alpha::ADDQ : Alpha::SUBQ;
Tmp1 = SelectExpr(N.getOperand(0));
} Tmp2 = SelectExpr(N.getOperand(1));
return Result; BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
}
} break;
case MVT::f64:
case MVT::f32:
if (N.getValueType() == MVT::f64)
Opc = isAdd ? Alpha::ADDT : Alpha::SUBT;
else
Opc = isAdd ? Alpha::ADDS : Alpha::SUBS;
//
Tmp1 = SelectExpr(N.getOperand(0));
Tmp2 = SelectExpr(N.getOperand(1));
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
break;
} }
return Result;
}
case ISD::UREM: case ISD::UREM:
case ISD::SREM: case ISD::SREM:
case ISD::SDIV: case ISD::SDIV:
case ISD::UDIV: case ISD::UDIV:
//FIXME: alpha really doesn't support any of these operations, switch (N.getValueType()) {
// the ops are expanded into special library calls with default: Node->dump(); assert (0 && "unhandled type");
// special calling conventions case MVT::f64:
switch(N.getOpcode()) { assert(N.getOpcode() == ISD::SDIV && "only div here please");
case ISD::UREM: Opc = Alpha::REMQU; break; Opc = Alpha::DIVT;
case ISD::SREM: Opc = Alpha::REMQ; break; break;
case ISD::UDIV: Opc = Alpha::DIVQU; break; case MVT::f32:
case ISD::SDIV: Opc = Alpha::DIVQ; break; assert(N.getOpcode() == ISD::SDIV && "only div here please");
}; Opc = Alpha::DIVS;
break;
case MVT::i64:
//FIXME: alpha really doesn't support any of these operations,
// the ops are expanded into special library calls with
// special calling conventions
switch(N.getOpcode()) {
case ISD::UREM: Opc = Alpha::REMQU; break;
case ISD::SREM: Opc = Alpha::REMQ; break;
case ISD::UDIV: Opc = Alpha::DIVQU; break;
case ISD::SDIV: Opc = Alpha::DIVQ; break;
}
break;
}
Tmp1 = SelectExpr(N.getOperand(0)); Tmp1 = SelectExpr(N.getOperand(0));
Tmp2 = SelectExpr(N.getOperand(1)); Tmp2 = SelectExpr(N.getOperand(1));
BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2); BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
return Result; return Result;
// case ISD::SINT_TO_FP:
// MVT::ValueType DestTy = N.getValueType();
// Tmp1 = SelectExpr(N.getOperand(0)); // Get the operand register
// Tmp2 = MakeReg(DestTy);
// Opc = DestTy == MVT::f64 ? ITOFT : ITOFS;
// BuildMI(BB, Opc, 1, Tmp2).addReg(Tmp1);
// Opc = DestTy == MVT::f64 ? CVTQT : CVTQS;
// BuildMI(BB, Opc, 1, Result).addReg(Tmp1);
// // case ISD::UINT_TO_FP:
// case ISD::FP_TO_SINT:
// assert (N.getValueType() == MVT::f64 && "Only can convert for doubles");
// Tmp1 = SelectExpr(N.getOperand(0)); // Get the operand register
// Tmp2 = MakeReg(SrcTy);
// BuildMI(BB, CVTTQ, 1, Tmp2).addReg(Tmp1);
// BuildMI(BB, FTOIT, 1, Result).addReg(Tmp2);
// return result;
// // case ISD::FP_TO_UINT:
case ISD::SELECT: case ISD::SELECT:
{ {
Tmp2 = SelectExpr(N.getOperand(1)); //Use if TRUE Tmp2 = SelectExpr(N.getOperand(1)); //Use if TRUE
@ -790,12 +906,17 @@ void ISel::Select(SDOperand N) {
std::cerr << N.getNumOperands() << "\n"; std::cerr << N.getNumOperands() << "\n";
for (unsigned i = 0; i < N.getNumOperands(); ++i) for (unsigned i = 0; i < N.getNumOperands(); ++i)
std::cerr << N.getOperand(i).getValueType() << "\n"; std::cerr << N.getOperand(i).getValueType() << "\n";
Node->dump();
assert(0 && "Unknown return instruction!"); assert(0 && "Unknown return instruction!");
case 2: case 2:
Select(N.getOperand(0)); Select(N.getOperand(0));
Tmp1 = SelectExpr(N.getOperand(1)); Tmp1 = SelectExpr(N.getOperand(1));
switch (N.getOperand(1).getValueType()) { switch (N.getOperand(1).getValueType()) {
default: assert(0 && "All other types should have been promoted!!"); default: Node->dump(); assert(0 && "All other types should have been promoted!!");
case MVT::f64:
case MVT::f32:
BuildMI(BB, Alpha::CPYS, 2, Alpha::F0).addReg(Tmp1).addReg(Tmp1);
break;
case MVT::i32: case MVT::i32:
case MVT::i64: case MVT::i64:
BuildMI(BB, Alpha::BIS, 2, Alpha::R0).addReg(Tmp1).addReg(Tmp1); BuildMI(BB, Alpha::BIS, 2, Alpha::R0).addReg(Tmp1).addReg(Tmp1);
@ -839,14 +960,17 @@ void ISel::Select(SDOperand N) {
case ISD::TRUNCSTORE: { // truncstore chain, val, ptr :storety case ISD::TRUNCSTORE: { // truncstore chain, val, ptr :storety
MVT::ValueType StoredTy = cast<MVTSDNode>(Node)->getExtraValueType(); MVT::ValueType StoredTy = cast<MVTSDNode>(Node)->getExtraValueType();
assert(StoredTy != MVT::i64 && "Unsupported TRUNCSTORE for this target!"); if (StoredTy == MVT::i64) {
Node->dump();
assert(StoredTy != MVT::i64 && "Unsupported TRUNCSTORE for this target!");
}
Select(N.getOperand(0)); Select(N.getOperand(0));
Tmp1 = SelectExpr(N.getOperand(1)); Tmp1 = SelectExpr(N.getOperand(1));
Tmp2 = SelectExpr(N.getOperand(2)); Tmp2 = SelectExpr(N.getOperand(2));
switch (StoredTy) { switch (StoredTy) {
default: assert(0 && "Unhandled Type"); break; default: Node->dump(); assert(0 && "Unhandled Type"); break;
case MVT::i1: //FIXME: DAG does not promote this load case MVT::i1: //FIXME: DAG does not promote this load
case MVT::i8: Opc = Alpha::STB; break; case MVT::i8: Opc = Alpha::STB; break;
case MVT::i16: Opc = Alpha::STW; break; case MVT::i16: Opc = Alpha::STW; break;

View File

@ -83,10 +83,10 @@ class OFormL<bits<6> opcode, bits<7> fun, dag OL, string asmstr> : InstAlpha<opc
} }
//3.3.4 //3.3.4
class FPForm<bits<6> opcode, dag OL, string asmstr> : InstAlpha<opcode, OL, asmstr> { class FPForm<bits<6> opcode, bits<11> fun, dag OL, string asmstr> : InstAlpha<opcode, OL, asmstr> {
bits<5> Fa; bits<5> Fa;
bits<5> Fb; bits<5> Fb;
bits<11> Function; bits<11> Function = fun;
bits<5> Fc; bits<5> Fc;
let Inst{25-21} = Fa; let Inst{25-21} = Fa;

View File

@ -26,7 +26,7 @@ bool AlphaInstrInfo::isMoveInstr(const MachineInstr& MI,
unsigned& sourceReg, unsigned& sourceReg,
unsigned& destReg) const { unsigned& destReg) const {
MachineOpCode oc = MI.getOpcode(); MachineOpCode oc = MI.getOpcode();
if (oc == Alpha::BIS) { // or r1, r2, r2 if (oc == Alpha::BIS || oc == Alpha::CPYS) { // or r1, r2, r2 // cpys r1 r2 r2
assert(MI.getNumOperands() == 3 && assert(MI.getNumOperands() == 3 &&
MI.getOperand(0).isRegister() && MI.getOperand(0).isRegister() &&
MI.getOperand(1).isRegister() && MI.getOperand(1).isRegister() &&

View File

@ -43,7 +43,10 @@ let Defs = [R29] in
let isCall = 1, let isCall = 1,
Defs = [R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19, Defs = [R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19,
R20, R21, R22, R23, R24, R25, R26, R27, R29], R20, R21, R22, R23, R24, R25, R26, R27, R29,
F0, F1,
F10, F11, F12, F13, F14, F15, F16, F17, F18, F19,
F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30],
Uses = [R27, R29] in Uses = [R27, R29] in
def CALL : PseudoInstAlpha< (ops s64imm:$TARGET), "jsr $TARGET">; //Jump to subroutine def CALL : PseudoInstAlpha< (ops s64imm:$TARGET), "jsr $TARGET">; //Jump to subroutine
@ -250,19 +253,32 @@ let isCall = 1 in
let Defs = [R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R27, R29] in let Defs = [R0, R1, R2, R3, R4, R5, R6, R7, R8, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R27, R29] in
def BSR : BForm<0x34, (ops GPRC:$RD, s21imm:$DISP), "bsr $RD,$DISP">; //Branch to subroutine def BSR : BForm<0x34, (ops GPRC:$RD, s21imm:$DISP), "bsr $RD,$DISP">; //Branch to subroutine
//Stores, int
def STB : MForm<0x0E, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stb $RA,$DISP($RB)">; // Store byte def STB : MForm<0x0E, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stb $RA,$DISP($RB)">; // Store byte
def STW : MForm<0x0D, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stw $RA,$DISP($RB)">; // Store word def STW : MForm<0x0D, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stw $RA,$DISP($RB)">; // Store word
def STL : MForm<0x2C, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stl $RA,$DISP($RB)">; // Store longword def STL : MForm<0x2C, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stl $RA,$DISP($RB)">; // Store longword
def STQ : MForm<0x2D, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stq $RA,$DISP($RB)">; //Store quadword def STQ : MForm<0x2D, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "stq $RA,$DISP($RB)">; //Store quadword
//Load address
def LDA : MForm<0x08, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "lda $RA,$DISP($RB)">; //Load address def LDA : MForm<0x08, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "lda $RA,$DISP($RB)">; //Load address
def LDAH : MForm<0x08, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldah $RA,$DISP($RB)">; //Load address high
//Loads, int
def LDL : MForm<0x28, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldq $RA,$DISP($RB)">; // Load sign-extended longword def LDL : MForm<0x28, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldq $RA,$DISP($RB)">; // Load sign-extended longword
def LDQ : MForm<0x29, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldq $RA,$DISP($RB)">; //Load quadword def LDQ : MForm<0x29, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldq $RA,$DISP($RB)">; //Load quadword
def LDBU : MForm<0x0A, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldbu $RA,$DISP($RB)">; //Load zero-extended byte def LDBU : MForm<0x0A, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldbu $RA,$DISP($RB)">; //Load zero-extended byte
def LDWU : MForm<0x0C, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldwu $RA,$DISP($RB)">; //Load zero-extended word def LDWU : MForm<0x0C, (ops GPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldwu $RA,$DISP($RB)">; //Load zero-extended word
//Stores, float
def STS : MForm<0x26, (ops FPRC:$RA, s16imm:$DISP, GPRC:$RB), "sts $RA,$DISP($RB)">; //Store S_floating
def STT : MForm<0x27, (ops FPRC:$RA, s16imm:$DISP, GPRC:$RB), "stt $RA,$DISP($RB)">; //Store T_floating
//Loads, float
def LDS : MForm<0x22, (ops FPRC:$RA, s16imm:$DISP, GPRC:$RB), "lds $RA,$DISP($RB)">; //Load S_floating
def LDT : MForm<0x23, (ops FPRC:$RA, s16imm:$DISP, GPRC:$RB), "ldt $RA,$DISP($RB)">; //Load T_floating
//Branches, int
def BEQ : BForm<0x39, (ops GPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Branch if = zero def BEQ : BForm<0x39, (ops GPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Branch if = zero
def BGE : BForm<0x3E, (ops GPRC:$RA, s21imm:$DISP), "bge $RA,$DISP">; //Branch if >= zero def BGE : BForm<0x3E, (ops GPRC:$RA, s21imm:$DISP), "bge $RA,$DISP">; //Branch if >= zero
def BGT : BForm<0x3F, (ops GPRC:$RA, s21imm:$DISP), "bgt $RA,$DISP">; //Branch if > zero def BGT : BForm<0x3F, (ops GPRC:$RA, s21imm:$DISP), "bgt $RA,$DISP">; //Branch if > zero
@ -272,19 +288,42 @@ def BLE : BForm<0x3B, (ops GPRC:$RA, s21imm:$DISP), "ble $RA,$DISP">; //Branch i
def BLT : BForm<0x3A, (ops GPRC:$RA, s21imm:$DISP), "blt $RA,$DISP">; //Branch if < zero def BLT : BForm<0x3A, (ops GPRC:$RA, s21imm:$DISP), "blt $RA,$DISP">; //Branch if < zero
def BNE : BForm<0x3D, (ops GPRC:$RA, s21imm:$DISP), "bne $RA,$DISP">; //Branch if != zero def BNE : BForm<0x3D, (ops GPRC:$RA, s21imm:$DISP), "bne $RA,$DISP">; //Branch if != zero
//Branches, float
def FBEQ : BForm<0x31, (ops FPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Floating branch if = zero
def FBGE : BForm<0x36, (ops FPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Floating branch if >= zero
def FBGT : BForm<0x37, (ops FPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Floating branch if > zero
def FBLE : BForm<0x33, (ops FPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Floating branch if <= zero
def FBLT : BForm<0x32, (ops FPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Floating branch if < zero
def FBNE : BForm<0x35, (ops FPRC:$RA, s21imm:$DISP), "beq $RA,$DISP">; //Floating branch if != zero
//Funky Floating point ops
def CPYS : FPForm<0x17, 0x020, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "cpys $RA,$RB,$RC">; //Copy sign
def CPYSE : FPForm<0x17, 0x022, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "cpyse $RA,$RB,$RC">; //Copy sign and exponent
def CPYSN : FPForm<0x17, 0x021, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "cpysn $RA,$RB,$RC">; //Copy sign negate
//Basic Floating point ops
def ADDS : FPForm<0x16, 0x080, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "adds $RA,$RB,$RC">; //Add S_floating
def ADDT : FPForm<0x16, 0x0A0, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "addt $RA,$RB,$RC">; //Add T_floating
def SUBS : FPForm<0x16, 0x081, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "subs $RA,$RB,$RC">; //Subtract S_floating
def SUBT : FPForm<0x16, 0x0A1, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "subt $RA,$RB,$RC">; //Subtract T_floating
def DIVS : FPForm<0x16, 0x083, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "divs $RA,$RB,$RC">; //Divide S_floating
def DIVT : FPForm<0x16, 0x0A3, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "divt $RA,$RB,$RC">; //Divide T_floating
def MULS : FPForm<0x16, 0x082, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "muls $RA,$RB,$RC">; //Multiply S_floating
def MULT : FPForm<0x16, 0x0A2, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "mult $RA,$RB,$RC">; //Multiply T_floating
def SQRTS : FPForm<0x14, 0x08B, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "sqrts $RA,$RB,$RC">; //Square root S_floating
def SQRTT : FPForm<0x14, 0x0AB, (ops FPRC:$RC, FPRC:$RA, FPRC:$RB), "sqrtt $RA,$RB,$RC">; //Square root T_floating
//S_floating : IEEE Single
//T_floating : IEEE Double
//Mnemonic Format Opcode Description //Mnemonic Format Opcode Description
//ADDF F-P 15.080 Add F_floating
//ADDG F-P 15.0A0 Add G_floating
//ADDS F-P 16.080 Add S_floating
//ADDT F-P 16.0A0 Add T_floating
//CALL_PAL Pcd 00 Trap to PALcode //CALL_PAL Pcd 00 Trap to PALcode
//ECB Mfc 18.E800 Evict cache block //ECB Mfc 18.E800 Evict cache block
//EXCB Mfc 18.0400 Exception barrier //EXCB Mfc 18.0400 Exception barrier
//FETCH Mfc 18.8000 Prefetch data //FETCH Mfc 18.8000 Prefetch data
//FETCH_M Mfc 18.A000 Prefetch data, modify intent //FETCH_M Mfc 18.A000 Prefetch data, modify intent
//LDAH Mem 09 Load address high
//LDBU Mem 0A Load zero-extended byte
//LDWU Mem 0C Load zero-extended word
//LDL_L Mem 2A Load sign-extended longword locked //LDL_L Mem 2A Load sign-extended longword locked
//LDQ_L Mem 2B Load quadword locked //LDQ_L Mem 2B Load quadword locked
//LDQ_U Mem 0B Load unaligned quadword //LDQ_U Mem 0B Load unaligned quadword
@ -292,77 +331,39 @@ def BNE : BForm<0x3D, (ops GPRC:$RA, s21imm:$DISP), "bne $RA,$DISP">; //Branch i
//RC Mfc 18.E000 Read and clear //RC Mfc 18.E000 Read and clear
//RPCC Mfc 18.C000 Read process cycle counter //RPCC Mfc 18.C000 Read process cycle counter
//RS Mfc 18.F000 Read and set //RS Mfc 18.F000 Read and set
//STL_C Mem 2E Store longword conditional //STL_C Mem 2E Store longword conditional
//STQ_C Mem 2F Store quadword conditional //STQ_C Mem 2F Store quadword conditional
//STQ_U Mem 0F Store unaligned quadword //STQ_U Mem 0F Store unaligned quadword
//TRAPB Mfc 18.0000 Trap barrier //TRAPB Mfc 18.0000 Trap barrier
//WH64 Mfc 18.F800 Write hint  64 bytes //WH64 Mfc 18.F800 Write hint  64 bytes
//WMB Mfc 18.4400 Write memory barrier //WMB Mfc 18.4400 Write memory barrier
//CMPGEQ F-P 15.0A5 Compare G_floating equal
//CMPGLE F-P 15.0A7 Compare G_floating less than or equal
//CMPGLT F-P 15.0A6 Compare G_floating less than
//CMPTEQ F-P 16.0A5 Compare T_floating equal //CMPTEQ F-P 16.0A5 Compare T_floating equal
//CMPTLE F-P 16.0A7 Compare T_floating less than or equal //CMPTLE F-P 16.0A7 Compare T_floating less than or equal
//CMPTLT F-P 16.0A6 Compare T_floating less than //CMPTLT F-P 16.0A6 Compare T_floating less than
//CMPTUN F-P 16.0A4 Compare T_floating unordered //CMPTUN F-P 16.0A4 Compare T_floating unordered
//CPYS F-P 17.020 Copy sign
//CPYSE F-P 17.022 Copy sign and exponent
//CPYSN F-P 17.021 Copy sign negate
//CVTDG F-P 15.09E Convert D_floating to G_floating
//CVTGD F-P 15.0AD Convert G_floating to D_floating
//CVTGF F-P 15.0AC Convert G_floating to F_floating
//CVTGQ F-P 15.0AF Convert G_floating to quadword
//CVTLQ F-P 17.010 Convert longword to quadword //CVTLQ F-P 17.010 Convert longword to quadword
//CVTQF F-P 15.0BC Convert quadword to F_floating
//CVTQG F-P 15.0BE Convert quadword to G_floating
//CVTQL F-P 17.030 Convert quadword to longword //CVTQL F-P 17.030 Convert quadword to longword
//CVTQS F-P 16.0BC Convert quadword to S_floating //CVTQS F-P 16.0BC Convert quadword to S_floating
//CVTQT F-P 16.0BE Convert quadword to T_floating //CVTQT F-P 16.0BE Convert quadword to T_floating
//CVTST F-P 16.2AC Convert S_floating to T_floating //CVTST F-P 16.2AC Convert S_floating to T_floating
//CVTTQ F-P 16.0AF Convert T_floating to quadword //CVTTQ F-P 16.0AF Convert T_floating to quadword
//CVTTS F-P 16.0AC Convert T_floating to S_floating //CVTTS F-P 16.0AC Convert T_floating to S_floating
//DIVF F-P 15.083 Divide F_floating
//DIVG F-P 15.0A3 Divide G_floating
//DIVS F-P 16.083 Divide S_floating
//DIVT F-P 16.0A3 Divide T_floating
//FBEQ Bra 31 Floating branch if = zero
//FBGE Bra 36 Floating branch if ³ zero
//FBGT Bra 37 Floating branch if > zero
//FBLE Bra 33 Floating branch if £ zero
//FBLT Bra 32 Floating branch if < zero
//FBNE Bra 35 Floating branch if ¹ zero
//FCMOVEQ F-P 17.02A FCMOVE if = zero //FCMOVEQ F-P 17.02A FCMOVE if = zero
//FCMOVGE F-P 17.02D FCMOVE if ³ zero //FCMOVGE F-P 17.02D FCMOVE if >= zero
//FCMOVGT F-P 17.02F FCMOVE if > zero //FCMOVGT F-P 17.02F FCMOVE if > zero
//FCMOVLE F-P 17.02E FCMOVE if £ zero //FCMOVLE F-P 17.02E FCMOVE if <= zero
//FCMOVLT F-P 17.02C FCMOVE if < zero //FCMOVLT F-P 17.02C FCMOVE if < zero
//FCMOVNE F-P 17.02B FCMOVE if ¹ zero //FCMOVNE F-P 17.02B FCMOVE if != zero
//FTOIS F-P 1C.78 Floating to integer move, S_floating //FTOIS F-P 1C.78 Floating to integer move, S_floating
//FTOIT F-P 1C.70 Floating to integer move, T_floating //FTOIT F-P 1C.70 Floating to integer move, T_floating
//ITOFF F-P 14.014 Integer to floating move, F_floating
//ITOFS F-P 14.004 Integer to floating move, S_floating //ITOFS F-P 14.004 Integer to floating move, S_floating
//ITOFT F-P 14.024 Integer to floating move, T_floating //ITOFT F-P 14.024 Integer to floating move, T_floating
//LDF Mem 20 Load F_floating
//LDG Mem 21 Load G_floating
//LDS Mem 22 Load S_floating
//LDT Mem 23 Load T_floating
//MF_FPCR F-P 17.025 Move from FPCR //MF_FPCR F-P 17.025 Move from FPCR
//MT_FPCR F-P 17.024 Move to FPCR //MT_FPCR F-P 17.024 Move to FPCR
//MULF F-P 15.082 Multiply F_floating
//MULG F-P 15.0A2 Multiply G_floating
//MULS F-P 16.082 Multiply S_floating
//MULT F-P 16.0A2 Multiply T_floating
//SQRTF F-P 14.08A Square root F_floating
//SQRTG F-P 14.0AA Square root G_floating
//SQRTS F-P 14.08B Square root S_floating
//SQRTT F-P 14.0AB Square root T_floating
//STF Mem 24 Store F_floating
//STG Mem 25 Store G_floating
//STS Mem 26 Store S_floating
//STT Mem 27 Store T_floating
//SUBF F-P 15.081 Subtract F_floating
//SUBG F-P 15.0A1 Subtract G_floating
//SUBS F-P 16.081 Subtract S_floating
//SUBT F-P 16.0A1 Subtract T_floating

View File

@ -48,7 +48,7 @@ void
AlphaRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB, AlphaRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI, MachineBasicBlock::iterator MI,
unsigned SrcReg, int FrameIdx) const { unsigned SrcReg, int FrameIdx) const {
std::cerr << "Trying to store " << getPrettyName(SrcReg) << " to " << FrameIdx << "\n"; //std::cerr << "Trying to store " << getPrettyName(SrcReg) << " to " << FrameIdx << "\n";
//BuildMI(MBB, MI, Alpha::WTF, 0).addReg(SrcReg); //BuildMI(MBB, MI, Alpha::WTF, 0).addReg(SrcReg);
BuildMI(MBB, MI, Alpha::STQ, 3).addReg(SrcReg).addImm(FrameIdx * 8).addReg(Alpha::R30); BuildMI(MBB, MI, Alpha::STQ, 3).addReg(SrcReg).addImm(FrameIdx * 8).addReg(Alpha::R30);
// assert(0 && "TODO"); // assert(0 && "TODO");
@ -58,7 +58,7 @@ void
AlphaRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB, AlphaRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI, MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIdx) const{ unsigned DestReg, int FrameIdx) const{
std::cerr << "Trying to load " << getPrettyName(DestReg) << " to " << FrameIdx << "\n"; //std::cerr << "Trying to load " << getPrettyName(DestReg) << " to " << FrameIdx << "\n";
//BuildMI(MBB, MI, Alpha::WTF, 0, DestReg); //BuildMI(MBB, MI, Alpha::WTF, 0, DestReg);
BuildMI(MBB, MI, Alpha::LDQ, 2, DestReg).addImm(FrameIdx * 8).addReg(Alpha::R30); BuildMI(MBB, MI, Alpha::LDQ, 2, DestReg).addImm(FrameIdx * 8).addReg(Alpha::R30);
// assert(0 && "TODO"); // assert(0 && "TODO");
@ -71,8 +71,8 @@ void AlphaRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
// std::cerr << "copyRegToReg " << DestReg << " <- " << SrcReg << "\n"; // std::cerr << "copyRegToReg " << DestReg << " <- " << SrcReg << "\n";
if (RC == Alpha::GPRCRegisterClass) { if (RC == Alpha::GPRCRegisterClass) {
BuildMI(MBB, MI, Alpha::BIS, 2, DestReg).addReg(SrcReg).addReg(SrcReg); BuildMI(MBB, MI, Alpha::BIS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
// } else if (RC == Alpha::FPRCRegisterClass) { } else if (RC == Alpha::FPRCRegisterClass) {
// BuildMI(MBB, MI, PPC::FMR, 1, DestReg).addReg(SrcReg); BuildMI(MBB, MI, Alpha::CPYS, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
} else { } else {
std::cerr << "Attempt to copy register that is not GPR or FPR"; std::cerr << "Attempt to copy register that is not GPR or FPR";
abort(); abort();
@ -205,14 +205,21 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const {
// adjust stack pointer: r30 -= numbytes // adjust stack pointer: r30 -= numbytes
if (NumBytes <= 32000) //FIXME: do this better if (NumBytes <= 32767) {
{ MI=BuildMI(Alpha::LDA, 2, Alpha::R30).addImm(-NumBytes).addReg(Alpha::R30);
MI=BuildMI(Alpha::LDA, 2, Alpha::R30).addImm(-NumBytes).addReg(Alpha::R30); MBB.insert(MBBI, MI);
MBB.insert(MBBI, MI); } else if (NumBytes <= 32767 * 65536) {
} else { long y = NumBytes / 65536;
std::cerr << "Too big a stack frame\n"; if (NumBytes % 65536 > 32767)
abort(); ++y;
} MI=BuildMI(Alpha::LDAH, 2, Alpha::R30).addImm(-y).addReg(Alpha::R30);
MBB.insert(MBBI, MI);
MI=BuildMI(Alpha::LDA, 2, Alpha::R30).addImm(-(NumBytes - y * 65536)).addReg(Alpha::R30);
MBB.insert(MBBI, MI);
} else {
std::cerr << "Too big a stack frame\n";
abort();
}
} }
void AlphaRegisterInfo::emitEpilogue(MachineFunction &MF, void AlphaRegisterInfo::emitEpilogue(MachineFunction &MF,