//
//===----------------------------------------------------------------------===//
+#define DEBUG_TYPE "asm-printer"
#include "X86ATTAsmPrinter.h"
#include "X86.h"
+#include "X86COFF.h"
+#include "X86MachineFunctionInfo.h"
#include "X86TargetMachine.h"
+#include "X86TargetAsmInfo.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/CallingConv.h"
#include "llvm/Module.h"
#include "llvm/Support/Mangler.h"
+#include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/ADT/Statistic.h"
using namespace llvm;
-using namespace x86;
+
+STATISTIC(EmittedInsts, "Number of machine instrs printed");
+
+static std::string computePICLabel(unsigned fnNumber,
+ const X86Subtarget* Subtarget)
+{
+ std::string label;
+
+ if (Subtarget->isTargetDarwin()) {
+ label = "\"L" + utostr_32(fnNumber) + "$pb\"";
+ } else if (Subtarget->isTargetELF()) {
+ label = ".Lllvm$" + utostr_32(fnNumber) + "$piclabel";
+ } else
+ assert(0 && "Don't know how to print PIC label!\n");
+
+ return label;
+}
+
+/// getSectionForFunction - Return the section that we should emit the
+/// specified function body into.
+std::string X86ATTAsmPrinter::getSectionForFunction(const Function &F) const {
+ switch (F.getLinkage()) {
+ default: assert(0 && "Unknown linkage type!");
+ case Function::InternalLinkage:
+ case Function::DLLExportLinkage:
+ case Function::ExternalLinkage:
+ return TAI->getTextSection();
+ case Function::WeakLinkage:
+ case Function::LinkOnceLinkage:
+ if (Subtarget->isTargetDarwin()) {
+ return ".section __TEXT,__textcoal_nt,coalesced,pure_instructions";
+ } else if (Subtarget->isTargetCygMing()) {
+ return "\t.section\t.text$linkonce." + CurrentFnName + ",\"ax\"\n";
+ } else {
+ return "\t.section\t.llvm.linkonce.t." + CurrentFnName +
+ ",\"ax\",@progbits\n";
+ }
+ }
+}
/// runOnMachineFunction - This uses the printMachineInstruction()
/// method to print assembly for each instruction.
///
bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- setupMachineFunction(MF);
+ if (Subtarget->isTargetDarwin() ||
+ Subtarget->isTargetELF() ||
+ Subtarget->isTargetCygMing()) {
+ // Let PassManager know we need debug information and relay
+ // the MachineDebugInfo address on to DwarfWriter.
+ DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
+ }
+
+ SetupMachineFunction(MF);
O << "\n\n";
// Print out constants referenced by the function
- printConstantPool(MF.getConstantPool());
+ EmitConstantPool(MF.getConstantPool());
// Print out labels for the function.
- O << "\t.text\n";
- emitAlignment(4); // FIXME: This should be parameterized somewhere.
- O << "\t.globl\t" << CurrentFnName << "\n";
- if (!forCygwin && !forDarwin)
- O << "\t.type\t" << CurrentFnName << ", @function\n";
+ const Function *F = MF.getFunction();
+ unsigned CC = F->getCallingConv();
+
+ // Populate function information map. Actually, We don't want to populate
+ // non-stdcall or non-fastcall functions' information right now.
+ if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
+ FunctionInfoMap[F] = *MF.getInfo<X86FunctionInfo>();
+
+ X86SharedAsmPrinter::decorateName(CurrentFnName, F);
+
+ SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
+
+ switch (F->getLinkage()) {
+ default: assert(0 && "Unknown linkage type!");
+ case Function::InternalLinkage: // Symbols default to internal.
+ EmitAlignment(4, F); // FIXME: This should be parameterized somewhere.
+ break;
+ case Function::DLLExportLinkage:
+ DLLExportedFns.insert(Mang->makeNameProper(F->getName(), ""));
+ //FALLS THROUGH
+ case Function::ExternalLinkage:
+ EmitAlignment(4, F); // FIXME: This should be parameterized somewhere.
+ O << "\t.globl\t" << CurrentFnName << "\n";
+ break;
+ case Function::LinkOnceLinkage:
+ case Function::WeakLinkage:
+ if (Subtarget->isTargetDarwin()) {
+ O << "\t.globl\t" << CurrentFnName << "\n";
+ O << "\t.weak_definition\t" << CurrentFnName << "\n";
+ } else if (Subtarget->isTargetCygMing()) {
+ EmitAlignment(4, F); // FIXME: This should be parameterized somewhere.
+ O << "\t.linkonce discard\n";
+ O << "\t.globl " << CurrentFnName << "\n";
+ } else {
+ EmitAlignment(4, F); // FIXME: This should be parameterized somewhere.
+ O << "\t.weak " << CurrentFnName << "\n";
+ }
+ break;
+ }
+ if (F->hasHiddenVisibility())
+ if (const char *Directive = TAI->getHiddenDirective())
+ O << Directive << CurrentFnName << "\n";
+
+ if (Subtarget->isTargetELF())
+ O << "\t.type " << CurrentFnName << ",@function\n";
+ else if (Subtarget->isTargetCygMing()) {
+ O << "\t.def\t " << CurrentFnName
+ << ";\t.scl\t" <<
+ (F->getLinkage() == Function::InternalLinkage ? COFF::C_STAT : COFF::C_EXT)
+ << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
+ << ";\t.endef\n";
+ }
+
O << CurrentFnName << ":\n";
+ // Add some workaround for linkonce linkage on Cygwin\MinGW
+ if (Subtarget->isTargetCygMing() &&
+ (F->getLinkage() == Function::LinkOnceLinkage ||
+ F->getLinkage() == Function::WeakLinkage))
+ O << "Lllvm$workaround$fake$stub$" << CurrentFnName << ":\n";
+
+ if (Subtarget->isTargetDarwin() ||
+ Subtarget->isTargetELF() ||
+ Subtarget->isTargetCygMing()) {
+ // Emit pre-function debug information.
+ DW.BeginFunction(&MF);
+ }
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
- if (I->pred_begin() != I->pred_end())
- O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t"
- << CommentString << " " << I->getBasicBlock()->getName() << "\n";
+ if (I->pred_begin() != I->pred_end()) {
+ printBasicBlockLabel(I, true);
+ O << '\n';
+ }
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
// Print the assembly for the instruction.
printMachineInstruction(II);
}
}
- if (!forDarwin)
+
+ // Print out jump tables referenced by the function.
+
+ // Mac OS X requires that the jump table follow the function, so that the jump
+ // table is part of the same atom that the function is in.
+ EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
+
+ if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
+ if (Subtarget->isTargetDarwin() ||
+ Subtarget->isTargetELF() ||
+ Subtarget->isTargetCygMing()) {
+ // Emit post-function debug information.
+ DW.EndFunction();
+ }
+
// We didn't modify anything.
return false;
}
-void X86ATTAsmPrinter::printOp(const MachineOperand &MO, bool isCallOp) {
+void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
+ const char *Modifier, bool NotRIPRel) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
const MRegisterInfo &RI = *TM.getRegisterInfo();
switch (MO.getType()) {
- case MachineOperand::MO_VirtualRegister:
- case MachineOperand::MO_MachineRegister:
+ case MachineOperand::MO_Register: {
assert(MRegisterInfo::isPhysicalRegister(MO.getReg()) &&
"Virtual registers should not make it this far!");
O << '%';
- for (const char *Name = RI.get(MO.getReg()).Name; *Name; ++Name)
+ unsigned Reg = MO.getReg();
+ if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
+ MVT::ValueType VT = (strcmp(Modifier+6,"64") == 0) ?
+ MVT::i64 : ((strcmp(Modifier+6, "32") == 0) ? MVT::i32 :
+ ((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
+ Reg = getX86SubSuperRegister(Reg, VT);
+ }
+ for (const char *Name = RI.get(Reg).Name; *Name; ++Name)
O << (char)tolower(*Name);
return;
+ }
- case MachineOperand::MO_SignExtendedImmed:
- case MachineOperand::MO_UnextendedImmed:
- O << '$' << (int)MO.getImmedValue();
+ case MachineOperand::MO_Immediate:
+ if (!Modifier || strcmp(Modifier, "debug") != 0)
+ O << '$';
+ O << MO.getImmedValue();
return;
- case MachineOperand::MO_MachineBasicBlock: {
- MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
- O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
- << "_" << MBBOp->getNumber () << "\t# "
- << MBBOp->getBasicBlock ()->getName ();
+ case MachineOperand::MO_MachineBasicBlock:
+ printBasicBlockLabel(MO.getMachineBasicBlock());
+ return;
+ case MachineOperand::MO_JumpTableIndex: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp) O << '$';
+ O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << "_"
+ << MO.getJumpTableIndex();
+
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ if (Subtarget->isPICStyleStub())
+ O << "-\"L" << getFunctionNumber() << "$pb\"";
+ else if (Subtarget->isPICStyleGOT())
+ O << "@GOTOFF";
+ }
+
+ if (isMemOp && Subtarget->is64Bit() && !NotRIPRel)
+ O << "(%rip)";
return;
}
- case MachineOperand::MO_PCRelativeDisp:
- std::cerr << "Shouldn't use addPCDisp() when building X86 MachineInstrs";
- abort ();
+ case MachineOperand::MO_ConstantPoolIndex: {
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp) O << '$';
+ O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << "_"
+ << MO.getConstantPoolIndex();
+
+ if (TM.getRelocationModel() == Reloc::PIC_) {
+ if (Subtarget->isPICStyleStub())
+ O << "-\"L" << getFunctionNumber() << "$pb\"";
+ if (Subtarget->isPICStyleGOT())
+ O << "@GOTOFF";
+ }
+
+ int Offset = MO.getOffset();
+ if (Offset > 0)
+ O << "+" << Offset;
+ else if (Offset < 0)
+ O << Offset;
+
+ if (isMemOp && Subtarget->is64Bit() && !NotRIPRel)
+ O << "(%rip)";
return;
+ }
case MachineOperand::MO_GlobalAddress: {
- // Darwin block shameless ripped from PowerPCAsmPrinter.cpp
- if (forDarwin) {
- if (!isCallOp) O << '$';
- GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
-
- // Dynamically-resolved functions need a stub for the function. Be
- // wary however not to output $stub for external functions whose addresses
- // are taken. Those should be emitted as $non_lazy_ptr below.
- Function *F = dyn_cast<Function>(GV);
- if (F && isCallOp && F->isExternal()) {
- FnStubs.insert(Name);
- O << "L" << Name << "$stub";
- } else if (GV->hasLinkOnceLinkage()) {
- // Link-once, External, or Weakly-linked global variables need
- // non-lazily-resolved stubs
- LinkOnceStubs.insert(Name);
- O << "L" << Name << "$non_lazy_ptr";
- } else if (GV->isExternal() || GV->hasWeakLinkage()) {
- GVStubs.insert(Name);
- O << "L" << Name << "$non_lazy_ptr";
+ bool isCallOp = Modifier && !strcmp(Modifier, "call");
+ bool isMemOp = Modifier && !strcmp(Modifier, "mem");
+ if (!isMemOp && !isCallOp) O << '$';
+
+ GlobalValue *GV = MO.getGlobal();
+ std::string Name = Mang->getValueName(GV);
+
+ bool isExt = (GV->isExternal() || GV->hasWeakLinkage() ||
+ GV->hasLinkOnceLinkage());
+ bool isHidden = GV->hasHiddenVisibility();
+
+ X86SharedAsmPrinter::decorateName(Name, GV);
+
+ if (Subtarget->isPICStyleStub()) {
+ // Link-once, External, or Weakly-linked global variables need
+ // non-lazily-resolved stubs
+ if (isExt) {
+ // Dynamically-resolved functions need a stub for the function.
+ if (isCallOp && isa<Function>(GV)) {
+ FnStubs.insert(Name);
+ O << "L" << Name << "$stub";
+ } else {
+ GVStubs.insert(Name);
+ O << "L" << Name << "$non_lazy_ptr";
+ }
} else {
- O << Mang->getValueName(GV);
+ if (GV->hasDLLImportLinkage()) {
+ O << "__imp_";
+ }
+ O << Name;
+ }
+
+ if (!isCallOp && TM.getRelocationModel() == Reloc::PIC_)
+ O << "-\"L" << getFunctionNumber() << "$pb\"";
+ } else {
+ if (GV->hasDLLImportLinkage()) {
+ O << "__imp_";
+ }
+ O << Name;
+
+ if (isCallOp && isa<Function>(GV)) {
+ if (Subtarget->isPICStyleGOT()) {
+ // Assemble call via PLT for non-local symbols
+ if (!isHidden || GV->isExternal())
+ O << "@PLT";
+ }
+ if (Subtarget->isTargetCygMing() && GV->isExternal()) {
+ // Save function name for later type emission
+ FnStubs.insert(Name);
+ }
}
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << "+" << Offset;
- else if (Offset < 0)
- O << Offset;
- return;
}
- if (!isCallOp) O << '$';
- O << Mang->getValueName(MO.getGlobal());
+
+ if (GV->hasExternalWeakLinkage())
+ ExtWeakSymbols.insert(GV);
+
int Offset = MO.getOffset();
if (Offset > 0)
O << "+" << Offset;
else if (Offset < 0)
O << Offset;
+
+ if (isMemOp) {
+ if (Subtarget->isPICStyleGOT()) {
+ if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
+ O << "@GOT";
+ else
+ O << "@GOTOFF";
+ } else
+ if (isExt && Subtarget->isPICStyleRIPRel())
+ O << "@GOTPCREL(%rip)";
+ else if (Subtarget->is64Bit() && !NotRIPRel)
+ // Use rip when possible to reduce code size, except when
+ // index or base register are also part of the address. e.g.
+ // foo(%rip)(%rcx,%rax,4) is not legal
+ O << "(%rip)";
+ }
+
return;
}
- case MachineOperand::MO_ExternalSymbol:
- if (isCallOp && forDarwin) {
- std::string Name(GlobalPrefix); Name += MO.getSymbolName();
+ case MachineOperand::MO_ExternalSymbol: {
+ bool isCallOp = Modifier && !strcmp(Modifier, "call");
+ std::string Name(TAI->getGlobalPrefix());
+ Name += MO.getSymbolName();
+ if (isCallOp && Subtarget->isPICStyleStub()) {
FnStubs.insert(Name);
O << "L" << Name << "$stub";
return;
}
if (!isCallOp) O << '$';
- O << GlobalPrefix << MO.getSymbolName();
+ O << Name;
+
+ if (Subtarget->isPICStyleGOT()) {
+ std::string GOTName(TAI->getGlobalPrefix());
+ GOTName+="_GLOBAL_OFFSET_TABLE_";
+ if (Name == GOTName)
+ // Really hack! Emit extra offset to PC during printing GOT offset to
+ // compensate size of popl instruction. The resulting code should look
+ // like:
+ // call .piclabel
+ // piclabel:
+ // popl %some_register
+ // addl $_GLOBAL_ADDRESS_TABLE_ + [.-piclabel], %some_register
+ O << " + [.-" << computePICLabel(getFunctionNumber(), Subtarget) << "]";
+ }
+
+ if (isCallOp && Subtarget->isPICStyleGOT())
+ O << "@PLT";
+
+ if (!isCallOp && Subtarget->is64Bit())
+ O << "(%rip)";
+
return;
+ }
default:
O << "<unknown operand type>"; return;
}
}
-void X86ATTAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op,
- MVT::ValueType VT) {
+void X86ATTAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
unsigned char value = MI->getOperand(Op).getImmedValue();
assert(value <= 7 && "Invalid ssecc argument!");
switch (value) {
}
}
-void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op){
+void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
+ const char *Modifier){
assert(isMem(MI, Op) && "Invalid memory reference!");
-
- const MachineOperand &BaseReg = MI->getOperand(Op);
- int ScaleVal = MI->getOperand(Op+1).getImmedValue();
- const MachineOperand &IndexReg = MI->getOperand(Op+2);
+ MachineOperand BaseReg = MI->getOperand(Op);
+ MachineOperand IndexReg = MI->getOperand(Op+2);
const MachineOperand &DispSpec = MI->getOperand(Op+3);
- if (BaseReg.isFrameIndex()) {
- O << "[frame slot #" << BaseReg.getFrameIndex();
- if (DispSpec.getImmedValue())
- O << " + " << DispSpec.getImmedValue();
- O << "]";
- return;
- } else if (BaseReg.isConstantPoolIndex()) {
- O << ".CPI" << CurrentFnName << "_"
- << BaseReg.getConstantPoolIndex();
- if (DispSpec.getImmedValue())
- O << "+" << DispSpec.getImmedValue();
- if (IndexReg.getReg()) {
- O << "(,";
- printOp(IndexReg);
- if (ScaleVal != 1)
- O << "," << ScaleVal;
- O << ")";
- }
- return;
- }
-
- if (DispSpec.isGlobalAddress()) {
- printOp(DispSpec, true);
+ bool NotRIPRel = IndexReg.getReg() || BaseReg.getReg();
+ if (DispSpec.isGlobalAddress() ||
+ DispSpec.isConstantPoolIndex() ||
+ DispSpec.isJumpTableIndex()) {
+ printOperand(MI, Op+3, "mem", NotRIPRel);
} else {
int DispVal = DispSpec.getImmedValue();
if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg()))
}
if (IndexReg.getReg() || BaseReg.getReg()) {
+ unsigned ScaleVal = MI->getOperand(Op+1).getImmedValue();
+ unsigned BaseRegOperand = 0, IndexRegOperand = 2;
+
+ // There are cases where we can end up with ESP/RSP in the indexreg slot.
+ // If this happens, swap the base/index register to support assemblers that
+ // don't work when the index is *SP.
+ if (IndexReg.getReg() == X86::ESP || IndexReg.getReg() == X86::RSP) {
+ assert(ScaleVal == 1 && "Scale not supported for stack pointer!");
+ std::swap(BaseReg, IndexReg);
+ std::swap(BaseRegOperand, IndexRegOperand);
+ }
+
O << "(";
if (BaseReg.getReg())
- printOp(BaseReg);
+ printOperand(MI, Op+BaseRegOperand, Modifier);
if (IndexReg.getReg()) {
O << ",";
- printOp(IndexReg);
+ printOperand(MI, Op+IndexRegOperand, Modifier);
if (ScaleVal != 1)
O << "," << ScaleVal;
}
-
O << ")";
}
}
+void X86ATTAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
+ std::string label = computePICLabel(getFunctionNumber(), Subtarget);
+ O << label << "\n" << label << ":";
+}
+
+
+bool X86ATTAsmPrinter::printAsmMRegister(const MachineOperand &MO,
+ const char Mode) {
+ const MRegisterInfo &RI = *TM.getRegisterInfo();
+ unsigned Reg = MO.getReg();
+ switch (Mode) {
+ default: return true; // Unknown mode.
+ case 'b': // Print QImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i8);
+ break;
+ case 'h': // Print QImode high register
+ Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
+ break;
+ case 'w': // Print HImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i16);
+ break;
+ case 'k': // Print SImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i32);
+ break;
+ }
+
+ O << '%';
+ for (const char *Name = RI.get(Reg).Name; *Name; ++Name)
+ O << (char)tolower(*Name);
+ return false;
+}
+
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default: return true; // Unknown modifier.
+ case 'c': // Don't print "$" before a global var name.
+ printOperand(MI, OpNo, "mem");
+ return false;
+ case 'b': // Print QImode register
+ case 'h': // Print QImode high register
+ case 'w': // Print HImode register
+ case 'k': // Print SImode register
+ return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
+ }
+ }
+
+ printOperand(MI, OpNo);
+ return false;
+}
+
+bool X86ATTAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier.
+ printMemReference(MI, OpNo);
+ return false;
+}
+
/// printMachineInstruction -- Print out a single X86 LLVM instruction
/// MI in Intel syntax to the current output stream.
///
void X86ATTAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
++EmittedInsts;
+
+ // See if a truncate instruction can be turned into a nop.
+ switch (MI->getOpcode()) {
+ default: break;
+ case X86::TRUNC_64to32:
+ case X86::TRUNC_64to16:
+ case X86::TRUNC_32to16:
+ case X86::TRUNC_32to8:
+ case X86::TRUNC_16to8:
+ case X86::TRUNC_32_to8:
+ case X86::TRUNC_16_to8: {
+ const MachineOperand &MO0 = MI->getOperand(0);
+ const MachineOperand &MO1 = MI->getOperand(1);
+ unsigned Reg0 = MO0.getReg();
+ unsigned Reg1 = MO1.getReg();
+ unsigned Opc = MI->getOpcode();
+ if (Opc == X86::TRUNC_64to32)
+ Reg1 = getX86SubSuperRegister(Reg1, MVT::i32);
+ else if (Opc == X86::TRUNC_32to16 || Opc == X86::TRUNC_64to16)
+ Reg1 = getX86SubSuperRegister(Reg1, MVT::i16);
+ else
+ Reg1 = getX86SubSuperRegister(Reg1, MVT::i8);
+ O << TAI->getCommentString() << " TRUNCATE ";
+ if (Reg0 != Reg1)
+ O << "\n\t";
+ break;
+ }
+ case X86::PsMOVZX64rr32:
+ O << TAI->getCommentString() << " ZERO-EXTEND " << "\n\t";
+ break;
+ }
+
// Call the autogenerated instruction printer routines.
printInstruction(MI);
}