6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-10-21 16:24:47 +00:00
Code Issues Projects Releases Wiki Activity

legalize READPORT, WRITEPORT, READIO, WRITEIO, at least in the basic cases

Browse Source 
where they are directly supported by the architecture.  Wrap a bunch of
long lines :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21826 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-09 20:23:03 +00:00
parent d0f6c1f52d
commit 52d08bd9d8
1 changed files with 43 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -292,7 +292,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
Result = DAG.getNode(ISD::EXTLOAD, MVT::f64, DAG.getEntryNode(), CPIdx,
DAG.getSrcValue(NULL), MVT::f32);
} else {
Result = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, DAG.getSrcValue(NULL));
Result = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx,
DAG.getSrcValue(NULL));
}
}
break;
@ -431,7 +432,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
if (Tmp1 != Node->getOperand(0) ||
Tmp2 != Node->getOperand(1))
Result = DAG.getLoad(Node->getValueType(0), Tmp1, Tmp2, Node->getOperand(2));
Result = DAG.getLoad(Node->getValueType(0), Tmp1, Tmp2,
Node->getOperand(2));
else
Result = SDOperand(Node, 0);
@ -593,7 +595,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
} V;
V.F = CFP->getValue();
Result = DAG.getNode(ISD::STORE, MVT::Other, Tmp1,
DAG.getConstant(V.I, MVT::i32), Tmp2, Node->getOperand(3));
DAG.getConstant(V.I, MVT::i32), Tmp2,
Node->getOperand(3));
} else {
assert(CFP->getValueType(0) == MVT::f64 && "Unknown FP type!");
union {
@ -602,7 +605,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
} V;
V.F = CFP->getValue();
Result = DAG.getNode(ISD::STORE, MVT::Other, Tmp1,
DAG.getConstant(V.I, MVT::i64), Tmp2, Node->getOperand(3));
DAG.getConstant(V.I, MVT::i64), Tmp2,
Node->getOperand(3));
}
Node = Result.Val;
}
@ -612,7 +616,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
SDOperand Val = LegalizeOp(Node->getOperand(1));
if (Val != Node->getOperand(1) || Tmp1 != Node->getOperand(0) ||
Tmp2 != Node->getOperand(2))
Result = DAG.getNode(ISD::STORE, MVT::Other, Tmp1, Val, Tmp2, Node->getOperand(3));
Result = DAG.getNode(ISD::STORE, MVT::Other, Tmp1, Val, Tmp2,
Node->getOperand(3));
break;
}
case Promote:
@ -920,6 +925,31 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
}
break;
}
case ISD::READPORT:
case ISD::READIO:
Tmp1 = LegalizeOp(Node->getOperand(0));
Tmp2 = LegalizeOp(Node->getOperand(1));
if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1))
Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0),Tmp1, Tmp2);
else
Result = SDOperand(Node, 0);
// Since these produce two values, make sure to remember that we legalized
// both of them.
AddLegalizedOperand(SDOperand(Node, 0), Result);
AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1));
return Result.getValue(Op.ResNo);
case ISD::WRITEPORT:
case ISD::WRITEIO:
Tmp1 = LegalizeOp(Node->getOperand(0));
Tmp2 = LegalizeOp(Node->getOperand(1));
Tmp3 = LegalizeOp(Node->getOperand(2));
if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1) ||
Tmp3 != Node->getOperand(2))
Result = DAG.getNode(Node->getOpcode(), MVT::Other, Tmp1, Tmp2, Tmp3);
break;
case ISD::ADD_PARTS:
case ISD::SUB_PARTS:
case ISD::SHL_PARTS:
@ -1248,7 +1278,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
MF.getFrameInfo()->CreateStackObject((unsigned)TySize, Align);
SDOperand StackSlot = DAG.getFrameIndex(SSFI, TLI.getPointerTy());
Result = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, DAG.getEntryNode(),
Node->getOperand(0), StackSlot, DAG.getSrcValue(NULL), ExtraVT);
Node->getOperand(0), StackSlot,
DAG.getSrcValue(NULL), ExtraVT);
Result = DAG.getNode(ISD::EXTLOAD, Node->getValueType(0),
Result, StackSlot, DAG.getSrcValue(NULL), ExtraVT);
} else {
@ -1524,9 +1555,11 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer.
// FIXME: When the DAG combiner exists, change this to use EXTLOAD!
if (MVT::isInteger(NVT))
Result = DAG.getNode(ISD::ZEXTLOAD, NVT, Tmp1, Tmp2, Node->getOperand(2), VT);
Result = DAG.getNode(ISD::ZEXTLOAD, NVT, Tmp1, Tmp2, Node->getOperand(2),
VT);
else
Result = DAG.getNode(ISD::EXTLOAD, NVT, Tmp1, Tmp2, Node->getOperand(2), VT);
Result = DAG.getNode(ISD::EXTLOAD, NVT, Tmp1, Tmp2, Node->getOperand(2),
VT);
// Remember that we legalized the chain.
AddLegalizedOperand(Op.getValue(1), Result.getValue(1));
@ -1994,7 +2027,8 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) {
CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset);
SDOperand FudgeInReg;
if (DestTy == MVT::f32)
FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, DAG.getSrcValue(NULL));
FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx,
DAG.getSrcValue(NULL));
else {
assert(DestTy == MVT::f64 && "Unexpected conversion");
FudgeInReg = DAG.getNode(ISD::EXTLOAD, MVT::f64, DAG.getEntryNode(),