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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22303 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2005-06-27 23:59:51 +00:00
parent f4b3278aeb
commit e014f89f3d
2 changed files with 128 additions and 2 deletions
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65
lib/Target/Sparc/SparcV8ISelPattern.cpp
View File

@ -119,7 +119,8 @@ static unsigned AddLiveIn(MachineFunction &MF, unsigned PReg,
std::vector<SDOperand>
V8TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
{
//FIXME
static const unsigned IncomingArgRegs[] =
{ V8::I0, V8::I1, V8::I2, V8::I3, V8::I4, V8::I5 };
std::vector<SDOperand> ArgValues;
MachineFunction &MF = DAG.getMachineFunction();
@ -127,6 +128,68 @@ V8TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
MachineBasicBlock& BB = MF.front();
unsigned ArgNo = 0;
unsigned ArgOffset = 92;
for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end();
I != E; ++I, ++ArgNo) {
MVT::ValueType VT = getValueType(I->getType());
SDOperand argt;
if (ArgNo < 6) {
switch(VT) {
default:
std::cerr << "Unknown Type " << VT << "\n";
abort();
case MVT::f64:
case MVT::i64:
//FIXME: figure out the build pair thing
assert(0 && "doubles and longs not supported yet");
case MVT::f32:
argt = DAG.getCopyFromReg(AddLiveIn(MF, IncomingArgRegs[ArgNo],
MVT::i32),
VT, DAG.getRoot());
//copy out of Int reg
argt = DAG.getNode(ISD::FP_TO_UINT, MVT::f32, argt);
break;
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
argt = DAG.getCopyFromReg(AddLiveIn(MF, IncomingArgRegs[ArgNo],
getRegClassFor(MVT::i32)),
VT, DAG.getRoot());
if (VT != MVT::i32)
argt = DAG.getNode(ISD::TRUNCATE, VT, argt);
break;
}
DAG.setRoot(argt.getValue(1));
} else {
//stack passed
switch(VT) {
default:
std::cerr << "Unknown Type " << VT << "\n";
abort();
case MVT::f64:
case MVT::i64:
//FIXME: figure out the build pair thing
assert(0 && "doubles and longs not supported yet");
case MVT::f32:
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
// Create the frame index object for this incoming parameter...
int FI = MFI->CreateFixedObject(4, ArgOffset);
argt = DAG.getLoad(VT,
DAG.getEntryNode(),
DAG.getFramIndex(FI, MVT::i32),
DAG.getSrcValue(NULL));
ArgOffset += 4;
break;
}
ArgValues.push_back(argt);
}
}
//return the arguments
return ArgValues;
}

65
lib/Target/SparcV8/SparcV8ISelPattern.cpp
View File

@ -119,7 +119,8 @@ static unsigned AddLiveIn(MachineFunction &MF, unsigned PReg,
std::vector<SDOperand>
V8TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
{
//FIXME
static const unsigned IncomingArgRegs[] =
{ V8::I0, V8::I1, V8::I2, V8::I3, V8::I4, V8::I5 };
std::vector<SDOperand> ArgValues;
MachineFunction &MF = DAG.getMachineFunction();
@ -127,6 +128,68 @@ V8TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
MachineBasicBlock& BB = MF.front();
unsigned ArgNo = 0;
unsigned ArgOffset = 92;
for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end();
I != E; ++I, ++ArgNo) {
MVT::ValueType VT = getValueType(I->getType());
SDOperand argt;
if (ArgNo < 6) {
switch(VT) {
default:
std::cerr << "Unknown Type " << VT << "\n";
abort();
case MVT::f64:
case MVT::i64:
//FIXME: figure out the build pair thing
assert(0 && "doubles and longs not supported yet");
case MVT::f32:
argt = DAG.getCopyFromReg(AddLiveIn(MF, IncomingArgRegs[ArgNo],
MVT::i32),
VT, DAG.getRoot());
//copy out of Int reg
argt = DAG.getNode(ISD::FP_TO_UINT, MVT::f32, argt);
break;
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
argt = DAG.getCopyFromReg(AddLiveIn(MF, IncomingArgRegs[ArgNo],
getRegClassFor(MVT::i32)),
VT, DAG.getRoot());
if (VT != MVT::i32)
argt = DAG.getNode(ISD::TRUNCATE, VT, argt);
break;
}
DAG.setRoot(argt.getValue(1));
} else {
//stack passed
switch(VT) {
default:
std::cerr << "Unknown Type " << VT << "\n";
abort();
case MVT::f64:
case MVT::i64:
//FIXME: figure out the build pair thing
assert(0 && "doubles and longs not supported yet");
case MVT::f32:
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
// Create the frame index object for this incoming parameter...
int FI = MFI->CreateFixedObject(4, ArgOffset);
argt = DAG.getLoad(VT,
DAG.getEntryNode(),
DAG.getFramIndex(FI, MVT::i32),
DAG.getSrcValue(NULL));
ArgOffset += 4;
break;
}
ArgValues.push_back(argt);
}
}
//return the arguments
return ArgValues;
}