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First version of code to handle loads. Stub function for handling stores.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12758 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke
2004-04-07 17:29:37 +00:00
parent 562cb16381
commit f3334ebbe3
4 changed files with 156 additions and 4 deletions
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40
lib/Target/Sparc/InstSelectSimple.cpp
View File

@ -61,7 +61,9 @@ namespace {
void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); } void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); }
void visitSetCondInst(Instruction &I); void visitSetCondInst(Instruction &I);
void visitCallInst(CallInst &I); void visitCallInst(CallInst &I);
void visitReturnInst(ReturnInst &RI); void visitReturnInst(ReturnInst &I);
void visitLoadInst(LoadInst &I);
void visitStoreInst(StoreInst &I);
void visitInstruction(Instruction &I) { void visitInstruction(Instruction &I) {
std::cerr << "Unhandled instruction: " << I; std::cerr << "Unhandled instruction: " << I;
@ -280,6 +282,42 @@ bool V8ISel::runOnFunction(Function &Fn) {
return true; return true;
} }
void V8ISel::visitLoadInst(LoadInst &I) {
unsigned DestReg = getReg (I);
unsigned PtrReg = getReg (I.getOperand (0));
switch (getClass (I.getType ())) {
case cByte:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cShort:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cInt:
BuildMI (BB, V8::LDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cLong:
BuildMI (BB, V8::LDDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
default:
std::cerr << "Load instruction not handled: " << I;
abort ();
return;
}
}
void V8ISel::visitStoreInst(StoreInst &I) {
unsigned SrcReg = getReg (I.getOperand (0));
unsigned PtrReg = getReg (I.getOperand (1));
std::cerr << "Store instruction not handled: " << I;
abort ();
}
void V8ISel::visitCallInst(CallInst &I) { void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () < 8 assert (I.getNumOperands () < 8
&& "Can't handle pushing excess call args on the stack yet"); && "Can't handle pushing excess call args on the stack yet");

40
lib/Target/Sparc/SparcV8ISelSimple.cpp
View File

@ -61,7 +61,9 @@ namespace {
void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); } void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); }
void visitSetCondInst(Instruction &I); void visitSetCondInst(Instruction &I);
void visitCallInst(CallInst &I); void visitCallInst(CallInst &I);
void visitReturnInst(ReturnInst &RI); void visitReturnInst(ReturnInst &I);
void visitLoadInst(LoadInst &I);
void visitStoreInst(StoreInst &I);
void visitInstruction(Instruction &I) { void visitInstruction(Instruction &I) {
std::cerr << "Unhandled instruction: " << I; std::cerr << "Unhandled instruction: " << I;
@ -280,6 +282,42 @@ bool V8ISel::runOnFunction(Function &Fn) {
return true; return true;
} }
void V8ISel::visitLoadInst(LoadInst &I) {
unsigned DestReg = getReg (I);
unsigned PtrReg = getReg (I.getOperand (0));
switch (getClass (I.getType ())) {
case cByte:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cShort:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cInt:
BuildMI (BB, V8::LDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cLong:
BuildMI (BB, V8::LDDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
default:
std::cerr << "Load instruction not handled: " << I;
abort ();
return;
}
}
void V8ISel::visitStoreInst(StoreInst &I) {
unsigned SrcReg = getReg (I.getOperand (0));
unsigned PtrReg = getReg (I.getOperand (1));
std::cerr << "Store instruction not handled: " << I;
abort ();
}
void V8ISel::visitCallInst(CallInst &I) { void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () < 8 assert (I.getNumOperands () < 8
&& "Can't handle pushing excess call args on the stack yet"); && "Can't handle pushing excess call args on the stack yet");

40
lib/Target/SparcV8/InstSelectSimple.cpp
View File

@ -61,7 +61,9 @@ namespace {
void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); } void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); }
void visitSetCondInst(Instruction &I); void visitSetCondInst(Instruction &I);
void visitCallInst(CallInst &I); void visitCallInst(CallInst &I);
void visitReturnInst(ReturnInst &RI); void visitReturnInst(ReturnInst &I);
void visitLoadInst(LoadInst &I);
void visitStoreInst(StoreInst &I);
void visitInstruction(Instruction &I) { void visitInstruction(Instruction &I) {
std::cerr << "Unhandled instruction: " << I; std::cerr << "Unhandled instruction: " << I;
@ -280,6 +282,42 @@ bool V8ISel::runOnFunction(Function &Fn) {
return true; return true;
} }
void V8ISel::visitLoadInst(LoadInst &I) {
unsigned DestReg = getReg (I);
unsigned PtrReg = getReg (I.getOperand (0));
switch (getClass (I.getType ())) {
case cByte:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cShort:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cInt:
BuildMI (BB, V8::LDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cLong:
BuildMI (BB, V8::LDDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
default:
std::cerr << "Load instruction not handled: " << I;
abort ();
return;
}
}
void V8ISel::visitStoreInst(StoreInst &I) {
unsigned SrcReg = getReg (I.getOperand (0));
unsigned PtrReg = getReg (I.getOperand (1));
std::cerr << "Store instruction not handled: " << I;
abort ();
}
void V8ISel::visitCallInst(CallInst &I) { void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () < 8 assert (I.getNumOperands () < 8
&& "Can't handle pushing excess call args on the stack yet"); && "Can't handle pushing excess call args on the stack yet");

40
lib/Target/SparcV8/SparcV8ISelSimple.cpp
View File

@ -61,7 +61,9 @@ namespace {
void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); } void visitShiftInstruction(Instruction &I) { visitBinaryOperator(I); }
void visitSetCondInst(Instruction &I); void visitSetCondInst(Instruction &I);
void visitCallInst(CallInst &I); void visitCallInst(CallInst &I);
void visitReturnInst(ReturnInst &RI); void visitReturnInst(ReturnInst &I);
void visitLoadInst(LoadInst &I);
void visitStoreInst(StoreInst &I);
void visitInstruction(Instruction &I) { void visitInstruction(Instruction &I) {
std::cerr << "Unhandled instruction: " << I; std::cerr << "Unhandled instruction: " << I;
@ -280,6 +282,42 @@ bool V8ISel::runOnFunction(Function &Fn) {
return true; return true;
} }
void V8ISel::visitLoadInst(LoadInst &I) {
unsigned DestReg = getReg (I);
unsigned PtrReg = getReg (I.getOperand (0));
switch (getClass (I.getType ())) {
case cByte:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUBmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cShort:
if (I.getType ()->isSigned ())
BuildMI (BB, V8::LDSHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
else
BuildMI (BB, V8::LDUHmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cInt:
BuildMI (BB, V8::LDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
case cLong:
BuildMI (BB, V8::LDDmr, 1, DestReg).addReg (PtrReg).addSImm(0);
return;
default:
std::cerr << "Load instruction not handled: " << I;
abort ();
return;
}
}
void V8ISel::visitStoreInst(StoreInst &I) {
unsigned SrcReg = getReg (I.getOperand (0));
unsigned PtrReg = getReg (I.getOperand (1));
std::cerr << "Store instruction not handled: " << I;
abort ();
}
void V8ISel::visitCallInst(CallInst &I) { void V8ISel::visitCallInst(CallInst &I) {
assert (I.getNumOperands () < 8 assert (I.getNumOperands () < 8
&& "Can't handle pushing excess call args on the stack yet"); && "Can't handle pushing excess call args on the stack yet");