Assembly syntax/comment fixes by Nate Begeman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14479 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-06-29 17:13:26 +00:00
parent 39c2a8ead5
commit 218bec7bd3
3 changed files with 162 additions and 99 deletions

View File

@ -12,6 +12,10 @@
// assembly language. This printer is the output mechanism used
// by `llc' and `lli -print-machineinstrs' on X86.
//
// Documentation at
// http://developer.apple.com/documentation/DeveloperTools/
// Reference/Assembler/ASMIntroduction/chapter_1_section_1.html
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asmprinter"
@ -53,7 +57,8 @@ namespace {
std::set<std::string> Stubs;
std::set<std::string> Strings;
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm), labelNumber(0)
{ }
/// Cache of mangled name for current function. This is
/// recalculated at the beginning of each call to
@ -61,6 +66,11 @@ namespace {
///
std::string CurrentFnName;
/// Unique incrementer for label values for referencing
/// Global values.
///
unsigned int labelNumber;
virtual const char *getPassName() const {
return "PowerPC Assembly Printer";
}
@ -76,7 +86,7 @@ namespace {
};
} // end of anonymous namespace
/// createPPCCodePrinterPass - Returns a pass that prints the X86
/// createPPCCodePrinterPass - Returns a pass that prints the PPC
/// assembly code for a MachineFunction to the given output stream,
/// using the given target machine description. This should work
/// regardless of whether the function is in SSA form.
@ -221,7 +231,7 @@ void Printer::emitGlobalConstant(const Constant *CV) {
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
if (isStringCompatible(CVA)) {
O << ".ascii";
O << "\t.ascii ";
printAsCString(O, CVA);
O << "\n";
} else { // Not a string. Print the values in successive locations
@ -267,7 +277,7 @@ void Printer::emitGlobalConstant(const Constant *CV) {
unsigned UVal;
} U;
U.FVal = Val;
O << ".long\t" << U.UVal << "\t# float " << Val << "\n";
O << ".long\t" << U.UVal << "\t; float " << Val << "\n";
return;
}
case Type::DoubleTyID: {
@ -281,9 +291,9 @@ void Printer::emitGlobalConstant(const Constant *CV) {
} U;
U.FVal = Val;
O << ".long\t" << U.T.MSWord << "\t# double most significant word "
O << ".long\t" << U.T.MSWord << "\t; double most significant word "
<< Val << "\n";
O << ".long\t" << U.T.LSWord << "\t# double least significant word"
O << ".long\t" << U.T.LSWord << "\t; double least significant word"
<< Val << "\n";
return;
}
@ -299,9 +309,9 @@ void Printer::emitGlobalConstant(const Constant *CV) {
} U;
U.UVal = CI->getRawValue();
O << ".long\t" << U.T.MSWord << "\t# Double-word most significant word "
O << ".long\t" << U.T.MSWord << "\t; Double-word most significant word "
<< U.UVal << "\n";
O << ".long\t" << U.T.LSWord << "\t# Double-word least significant word"
O << ".long\t" << U.T.LSWord << "\t; Double-word least significant word"
<< U.UVal << "\n";
return;
}
@ -349,7 +359,7 @@ void Printer::printConstantPool(MachineConstantPool *MCP) {
O << "\t.const\n";
O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
<< "\n";
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t#"
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t;"
<< *CP[i] << "\n";
emitGlobalConstant(CP[i]);
}
@ -380,7 +390,7 @@ bool Printer::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t; "
<< I->getBasicBlock()->getName() << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@ -417,7 +427,7 @@ void Printer::printOp(const MachineOperand &MO,
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber() << "\t# "
<< "_" << MBBOp->getNumber() << "\t; "
<< MBBOp->getBasicBlock()->getName();
return;
}
@ -507,10 +517,14 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
//assert ( ValidOpcodes(MI, ArgType) && "Instruction has invalid inputs");
++EmittedInsts;
// FIXME: should probably be converted to cout.width and cout.fill
if (Opcode == PPC32::MovePCtoLR) {
O << "mflr r0\n";
O << "\tbc 20,31,L" << CurrentFnName << "$pb\n";
O << "L" << CurrentFnName << "$pb:\n";
O << "bcl 20,31,\"L0000" << labelNumber << "$pb\"\n";
O << "\"L0000" << labelNumber << "$pb\":\n";
O << "\tmflr ";
printOp(MI->getOperand(0));
labelNumber++;
O << "\n";
return;
}
@ -520,34 +534,42 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
if (Opcode == PPC32::LOADLoAddr) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
O << ", lo16(";
printOp(MI->getOperand(2));
O << "-L" << CurrentFnName << "$pb)\n";
O << "-\"L0000" << labelNumber << "$pb\")";
labelNumber++;
O << "(";
if (MI->getOperand(1).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(1));
O << ")\n";
} else if (Opcode == PPC32::LOADHiAddr) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
if (MI->getOperand(1).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(1));
O << ", ha16(" ;
printOp(MI->getOperand(2));
O << "-L" << CurrentFnName << "$pb)\n";
O << "-\"L0000" << labelNumber << "$pb\")\n";
} else if (ArgCount == 3 && ArgType[1] == PPC32II::Disimm16) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
O << "(";
if (ArgType[2] == PPC32II::Gpr0 && MI->getOperand(2).getReg() == PPC32::R0)
if (MI->getOperand(2).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(2));
O << ")\n";
} else {
for (i = 0; i < ArgCount; ++i) {
if (ArgType[i] == PPC32II::Gpr0 &&
MI->getOperand(i).getReg() == PPC32::R0)
if (i == 1 && ArgCount == 3 && ArgType[2] == PPC32II::Simm16 &&
MI->getOperand(1).getReg() == PPC32::R0) {
O << "0";
else {
} else {
//std::cout << "DEBUG " << (*(TM.getRegisterInfo())).get(MI->getOperand(i).getReg()).Name << "\n";
printOp(MI->getOperand(i));
}
@ -594,11 +616,11 @@ bool Printer::doFinalization(Module &M) {
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
SwitchSection(O, CurSection, ".data");
if (I->hasInternalLinkage())
O << "\t.local " << name << "\n";
O << "\t.comm " << name << "," << TD.getTypeSize(C->getType())
<< "," << (unsigned)TD.getTypeAlignment(C->getType());
O << "\t\t# ";
O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
<< "," << (unsigned)TD.getTypeAlignment(C->getType());
else
O << "\t.comm " << name << "," << TD.getTypeSize(C->getType());
O << "\t\t; ";
WriteAsOperand(O, I, true, true, &M);
O << "\n";
} else {
@ -627,7 +649,7 @@ bool Printer::doFinalization(Module &M) {
}
O << "\t.align " << Align << "\n";
O << name << ":\t\t\t\t# ";
O << name << ":\t\t\t\t; ";
WriteAsOperand(O, I, true, true, &M);
O << " = ";
WriteAsOperand(O, C, false, false, &M);
@ -638,9 +660,7 @@ bool Printer::doFinalization(Module &M) {
for(std::set<std::string>::iterator i = Stubs.begin(); i != Stubs.end(); ++i)
{
O << ".data\n";
O<<".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32\n";
O << "\t.align 2\n";
O << "\t.picsymbol_stub\n";
O << "L" << *i << "$stub:\n";
O << "\t.indirect_symbol " << *i << "\n";
O << "\tmflr r0\n";
@ -649,8 +669,9 @@ bool Printer::doFinalization(Module &M) {
O << "\tmflr r11\n";
O << "\taddis r11,r11,ha16(L" << *i << "$lazy_ptr-L0$" << *i << ")\n";
O << "\tmtlr r0\n";
O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
O << "\tlwz r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
O << "\tmtctr r12\n";
O << "\taddi r11,r11,lo16(L" << *i << "$lazy_ptr - L0$" << *i << ")\n";
O << "\tbctr\n";
O << ".data\n";
O << ".lazy_symbol_pointer\n";

View File

@ -12,6 +12,10 @@
// assembly language. This printer is the output mechanism used
// by `llc' and `lli -print-machineinstrs' on X86.
//
// Documentation at
// http://developer.apple.com/documentation/DeveloperTools/
// Reference/Assembler/ASMIntroduction/chapter_1_section_1.html
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asmprinter"
@ -53,7 +57,8 @@ namespace {
std::set<std::string> Stubs;
std::set<std::string> Strings;
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm), labelNumber(0)
{ }
/// Cache of mangled name for current function. This is
/// recalculated at the beginning of each call to
@ -61,6 +66,11 @@ namespace {
///
std::string CurrentFnName;
/// Unique incrementer for label values for referencing
/// Global values.
///
unsigned int labelNumber;
virtual const char *getPassName() const {
return "PowerPC Assembly Printer";
}
@ -76,7 +86,7 @@ namespace {
};
} // end of anonymous namespace
/// createPPCCodePrinterPass - Returns a pass that prints the X86
/// createPPCCodePrinterPass - Returns a pass that prints the PPC
/// assembly code for a MachineFunction to the given output stream,
/// using the given target machine description. This should work
/// regardless of whether the function is in SSA form.
@ -221,7 +231,7 @@ void Printer::emitGlobalConstant(const Constant *CV) {
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
if (isStringCompatible(CVA)) {
O << ".ascii";
O << "\t.ascii ";
printAsCString(O, CVA);
O << "\n";
} else { // Not a string. Print the values in successive locations
@ -267,7 +277,7 @@ void Printer::emitGlobalConstant(const Constant *CV) {
unsigned UVal;
} U;
U.FVal = Val;
O << ".long\t" << U.UVal << "\t# float " << Val << "\n";
O << ".long\t" << U.UVal << "\t; float " << Val << "\n";
return;
}
case Type::DoubleTyID: {
@ -281,9 +291,9 @@ void Printer::emitGlobalConstant(const Constant *CV) {
} U;
U.FVal = Val;
O << ".long\t" << U.T.MSWord << "\t# double most significant word "
O << ".long\t" << U.T.MSWord << "\t; double most significant word "
<< Val << "\n";
O << ".long\t" << U.T.LSWord << "\t# double least significant word"
O << ".long\t" << U.T.LSWord << "\t; double least significant word"
<< Val << "\n";
return;
}
@ -299,9 +309,9 @@ void Printer::emitGlobalConstant(const Constant *CV) {
} U;
U.UVal = CI->getRawValue();
O << ".long\t" << U.T.MSWord << "\t# Double-word most significant word "
O << ".long\t" << U.T.MSWord << "\t; Double-word most significant word "
<< U.UVal << "\n";
O << ".long\t" << U.T.LSWord << "\t# Double-word least significant word"
O << ".long\t" << U.T.LSWord << "\t; Double-word least significant word"
<< U.UVal << "\n";
return;
}
@ -349,7 +359,7 @@ void Printer::printConstantPool(MachineConstantPool *MCP) {
O << "\t.const\n";
O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
<< "\n";
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t#"
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t;"
<< *CP[i] << "\n";
emitGlobalConstant(CP[i]);
}
@ -380,7 +390,7 @@ bool Printer::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t; "
<< I->getBasicBlock()->getName() << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@ -417,7 +427,7 @@ void Printer::printOp(const MachineOperand &MO,
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber() << "\t# "
<< "_" << MBBOp->getNumber() << "\t; "
<< MBBOp->getBasicBlock()->getName();
return;
}
@ -507,10 +517,14 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
//assert ( ValidOpcodes(MI, ArgType) && "Instruction has invalid inputs");
++EmittedInsts;
// FIXME: should probably be converted to cout.width and cout.fill
if (Opcode == PPC32::MovePCtoLR) {
O << "mflr r0\n";
O << "\tbc 20,31,L" << CurrentFnName << "$pb\n";
O << "L" << CurrentFnName << "$pb:\n";
O << "bcl 20,31,\"L0000" << labelNumber << "$pb\"\n";
O << "\"L0000" << labelNumber << "$pb\":\n";
O << "\tmflr ";
printOp(MI->getOperand(0));
labelNumber++;
O << "\n";
return;
}
@ -520,34 +534,42 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
if (Opcode == PPC32::LOADLoAddr) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
O << ", lo16(";
printOp(MI->getOperand(2));
O << "-L" << CurrentFnName << "$pb)\n";
O << "-\"L0000" << labelNumber << "$pb\")";
labelNumber++;
O << "(";
if (MI->getOperand(1).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(1));
O << ")\n";
} else if (Opcode == PPC32::LOADHiAddr) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
if (MI->getOperand(1).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(1));
O << ", ha16(" ;
printOp(MI->getOperand(2));
O << "-L" << CurrentFnName << "$pb)\n";
O << "-\"L0000" << labelNumber << "$pb\")\n";
} else if (ArgCount == 3 && ArgType[1] == PPC32II::Disimm16) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
O << "(";
if (ArgType[2] == PPC32II::Gpr0 && MI->getOperand(2).getReg() == PPC32::R0)
if (MI->getOperand(2).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(2));
O << ")\n";
} else {
for (i = 0; i < ArgCount; ++i) {
if (ArgType[i] == PPC32II::Gpr0 &&
MI->getOperand(i).getReg() == PPC32::R0)
if (i == 1 && ArgCount == 3 && ArgType[2] == PPC32II::Simm16 &&
MI->getOperand(1).getReg() == PPC32::R0) {
O << "0";
else {
} else {
//std::cout << "DEBUG " << (*(TM.getRegisterInfo())).get(MI->getOperand(i).getReg()).Name << "\n";
printOp(MI->getOperand(i));
}
@ -594,11 +616,11 @@ bool Printer::doFinalization(Module &M) {
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
SwitchSection(O, CurSection, ".data");
if (I->hasInternalLinkage())
O << "\t.local " << name << "\n";
O << "\t.comm " << name << "," << TD.getTypeSize(C->getType())
<< "," << (unsigned)TD.getTypeAlignment(C->getType());
O << "\t\t# ";
O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
<< "," << (unsigned)TD.getTypeAlignment(C->getType());
else
O << "\t.comm " << name << "," << TD.getTypeSize(C->getType());
O << "\t\t; ";
WriteAsOperand(O, I, true, true, &M);
O << "\n";
} else {
@ -627,7 +649,7 @@ bool Printer::doFinalization(Module &M) {
}
O << "\t.align " << Align << "\n";
O << name << ":\t\t\t\t# ";
O << name << ":\t\t\t\t; ";
WriteAsOperand(O, I, true, true, &M);
O << " = ";
WriteAsOperand(O, C, false, false, &M);
@ -638,9 +660,7 @@ bool Printer::doFinalization(Module &M) {
for(std::set<std::string>::iterator i = Stubs.begin(); i != Stubs.end(); ++i)
{
O << ".data\n";
O<<".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32\n";
O << "\t.align 2\n";
O << "\t.picsymbol_stub\n";
O << "L" << *i << "$stub:\n";
O << "\t.indirect_symbol " << *i << "\n";
O << "\tmflr r0\n";
@ -649,8 +669,9 @@ bool Printer::doFinalization(Module &M) {
O << "\tmflr r11\n";
O << "\taddis r11,r11,ha16(L" << *i << "$lazy_ptr-L0$" << *i << ")\n";
O << "\tmtlr r0\n";
O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
O << "\tlwz r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
O << "\tmtctr r12\n";
O << "\taddi r11,r11,lo16(L" << *i << "$lazy_ptr - L0$" << *i << ")\n";
O << "\tbctr\n";
O << ".data\n";
O << ".lazy_symbol_pointer\n";

View File

@ -12,6 +12,10 @@
// assembly language. This printer is the output mechanism used
// by `llc' and `lli -print-machineinstrs' on X86.
//
// Documentation at
// http://developer.apple.com/documentation/DeveloperTools/
// Reference/Assembler/ASMIntroduction/chapter_1_section_1.html
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asmprinter"
@ -53,7 +57,8 @@ namespace {
std::set<std::string> Stubs;
std::set<std::string> Strings;
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) { }
Printer(std::ostream &o, TargetMachine &tm) : O(o), TM(tm), labelNumber(0)
{ }
/// Cache of mangled name for current function. This is
/// recalculated at the beginning of each call to
@ -61,6 +66,11 @@ namespace {
///
std::string CurrentFnName;
/// Unique incrementer for label values for referencing
/// Global values.
///
unsigned int labelNumber;
virtual const char *getPassName() const {
return "PowerPC Assembly Printer";
}
@ -76,7 +86,7 @@ namespace {
};
} // end of anonymous namespace
/// createPPCCodePrinterPass - Returns a pass that prints the X86
/// createPPCCodePrinterPass - Returns a pass that prints the PPC
/// assembly code for a MachineFunction to the given output stream,
/// using the given target machine description. This should work
/// regardless of whether the function is in SSA form.
@ -221,7 +231,7 @@ void Printer::emitGlobalConstant(const Constant *CV) {
return;
} else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {
if (isStringCompatible(CVA)) {
O << ".ascii";
O << "\t.ascii ";
printAsCString(O, CVA);
O << "\n";
} else { // Not a string. Print the values in successive locations
@ -267,7 +277,7 @@ void Printer::emitGlobalConstant(const Constant *CV) {
unsigned UVal;
} U;
U.FVal = Val;
O << ".long\t" << U.UVal << "\t# float " << Val << "\n";
O << ".long\t" << U.UVal << "\t; float " << Val << "\n";
return;
}
case Type::DoubleTyID: {
@ -281,9 +291,9 @@ void Printer::emitGlobalConstant(const Constant *CV) {
} U;
U.FVal = Val;
O << ".long\t" << U.T.MSWord << "\t# double most significant word "
O << ".long\t" << U.T.MSWord << "\t; double most significant word "
<< Val << "\n";
O << ".long\t" << U.T.LSWord << "\t# double least significant word"
O << ".long\t" << U.T.LSWord << "\t; double least significant word"
<< Val << "\n";
return;
}
@ -299,9 +309,9 @@ void Printer::emitGlobalConstant(const Constant *CV) {
} U;
U.UVal = CI->getRawValue();
O << ".long\t" << U.T.MSWord << "\t# Double-word most significant word "
O << ".long\t" << U.T.MSWord << "\t; Double-word most significant word "
<< U.UVal << "\n";
O << ".long\t" << U.T.LSWord << "\t# Double-word least significant word"
O << ".long\t" << U.T.LSWord << "\t; Double-word least significant word"
<< U.UVal << "\n";
return;
}
@ -349,7 +359,7 @@ void Printer::printConstantPool(MachineConstantPool *MCP) {
O << "\t.const\n";
O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
<< "\n";
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t#"
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t;"
<< *CP[i] << "\n";
emitGlobalConstant(CP[i]);
}
@ -380,7 +390,7 @@ bool Printer::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t# "
O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t; "
<< I->getBasicBlock()->getName() << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@ -417,7 +427,7 @@ void Printer::printOp(const MachineOperand &MO,
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber() << "\t# "
<< "_" << MBBOp->getNumber() << "\t; "
<< MBBOp->getBasicBlock()->getName();
return;
}
@ -507,10 +517,14 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
//assert ( ValidOpcodes(MI, ArgType) && "Instruction has invalid inputs");
++EmittedInsts;
// FIXME: should probably be converted to cout.width and cout.fill
if (Opcode == PPC32::MovePCtoLR) {
O << "mflr r0\n";
O << "\tbc 20,31,L" << CurrentFnName << "$pb\n";
O << "L" << CurrentFnName << "$pb:\n";
O << "bcl 20,31,\"L0000" << labelNumber << "$pb\"\n";
O << "\"L0000" << labelNumber << "$pb\":\n";
O << "\tmflr ";
printOp(MI->getOperand(0));
labelNumber++;
O << "\n";
return;
}
@ -520,34 +534,42 @@ void Printer::printMachineInstruction(const MachineInstr *MI) {
if (Opcode == PPC32::LOADLoAddr) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
O << ", lo16(";
printOp(MI->getOperand(2));
O << "-L" << CurrentFnName << "$pb)\n";
O << "-\"L0000" << labelNumber << "$pb\")";
labelNumber++;
O << "(";
if (MI->getOperand(1).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(1));
O << ")\n";
} else if (Opcode == PPC32::LOADHiAddr) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
if (MI->getOperand(1).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(1));
O << ", ha16(" ;
printOp(MI->getOperand(2));
O << "-L" << CurrentFnName << "$pb)\n";
O << "-\"L0000" << labelNumber << "$pb\")\n";
} else if (ArgCount == 3 && ArgType[1] == PPC32II::Disimm16) {
printOp(MI->getOperand(0));
O << ", ";
printOp(MI->getOperand(1));
O << "(";
if (ArgType[2] == PPC32II::Gpr0 && MI->getOperand(2).getReg() == PPC32::R0)
if (MI->getOperand(2).getReg() == PPC32::R0)
O << "0";
else
printOp(MI->getOperand(2));
O << ")\n";
} else {
for (i = 0; i < ArgCount; ++i) {
if (ArgType[i] == PPC32II::Gpr0 &&
MI->getOperand(i).getReg() == PPC32::R0)
if (i == 1 && ArgCount == 3 && ArgType[2] == PPC32II::Simm16 &&
MI->getOperand(1).getReg() == PPC32::R0) {
O << "0";
else {
} else {
//std::cout << "DEBUG " << (*(TM.getRegisterInfo())).get(MI->getOperand(i).getReg()).Name << "\n";
printOp(MI->getOperand(i));
}
@ -594,11 +616,11 @@ bool Printer::doFinalization(Module &M) {
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
SwitchSection(O, CurSection, ".data");
if (I->hasInternalLinkage())
O << "\t.local " << name << "\n";
O << "\t.comm " << name << "," << TD.getTypeSize(C->getType())
<< "," << (unsigned)TD.getTypeAlignment(C->getType());
O << "\t\t# ";
O << "\t.lcomm " << name << "," << TD.getTypeSize(C->getType())
<< "," << (unsigned)TD.getTypeAlignment(C->getType());
else
O << "\t.comm " << name << "," << TD.getTypeSize(C->getType());
O << "\t\t; ";
WriteAsOperand(O, I, true, true, &M);
O << "\n";
} else {
@ -627,7 +649,7 @@ bool Printer::doFinalization(Module &M) {
}
O << "\t.align " << Align << "\n";
O << name << ":\t\t\t\t# ";
O << name << ":\t\t\t\t; ";
WriteAsOperand(O, I, true, true, &M);
O << " = ";
WriteAsOperand(O, C, false, false, &M);
@ -638,9 +660,7 @@ bool Printer::doFinalization(Module &M) {
for(std::set<std::string>::iterator i = Stubs.begin(); i != Stubs.end(); ++i)
{
O << ".data\n";
O<<".section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32\n";
O << "\t.align 2\n";
O << "\t.picsymbol_stub\n";
O << "L" << *i << "$stub:\n";
O << "\t.indirect_symbol " << *i << "\n";
O << "\tmflr r0\n";
@ -649,8 +669,9 @@ bool Printer::doFinalization(Module &M) {
O << "\tmflr r11\n";
O << "\taddis r11,r11,ha16(L" << *i << "$lazy_ptr-L0$" << *i << ")\n";
O << "\tmtlr r0\n";
O << "\tlwzu r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
O << "\tlwz r12,lo16(L" << *i << "$lazy_ptr-L0$" << *i << ")(r11)\n";
O << "\tmtctr r12\n";
O << "\taddi r11,r11,lo16(L" << *i << "$lazy_ptr - L0$" << *i << ")\n";
O << "\tbctr\n";
O << ".data\n";
O << ".lazy_symbol_pointer\n";