lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp

   1 //===-- SPUAsmPrinter.cpp - Print machine instrs to Cell SPU assembly -------=//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains a printer that converts from our internal representation
  11 // of machine-dependent LLVM code to Cell SPU assembly language. This printer
  12 // is the output mechanism used by `llc'.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #define DEBUG_TYPE "asmprinter"
  17 #include "SPU.h"
  18 #include "SPUTargetMachine.h"
  19 #include "llvm/Constants.h"
  20 #include "llvm/DerivedTypes.h"
  21 #include "llvm/Module.h"
  22 #include "llvm/Assembly/Writer.h"
  23 #include "llvm/CodeGen/AsmPrinter.h"
  24 #include "llvm/CodeGen/DwarfWriter.h"
  25 #include "llvm/CodeGen/MachineModuleInfo.h"
  26 #include "llvm/CodeGen/MachineFunctionPass.h"
  27 #include "llvm/CodeGen/MachineInstr.h"
  28 #include "llvm/Support/Mangler.h"
  29 #include "llvm/Support/MathExtras.h"
  30 #include "llvm/Support/CommandLine.h"
  31 #include "llvm/Support/Debug.h"
  32 #include "llvm/Support/Compiler.h"
  33 #include "llvm/Support/raw_ostream.h"
  34 #include "llvm/Target/TargetAsmInfo.h"
  35 #include "llvm/Target/TargetRegisterInfo.h"
  36 #include "llvm/Target/TargetInstrInfo.h"
  37 #include "llvm/Target/TargetOptions.h"
  38 #include "llvm/ADT/Statistic.h"
  39 #include "llvm/ADT/StringExtras.h"
  40 #include <set>
  41 using namespace llvm;
  42
  43 namespace {
  44   STATISTIC(EmittedInsts, "Number of machine instrs printed");
  45
  46   const std::string bss_section(".bss");
  47
  48   class VISIBILITY_HIDDEN SPUAsmPrinter : public AsmPrinter {
  49     std::set<std::string> FnStubs, GVStubs;
  50   public:
  51     SPUAsmPrinter(raw_ostream &O, TargetMachine &TM,
  52                   const TargetAsmInfo *T, bool F) :
  53       AsmPrinter(O, TM, T, F) {}
  54
  55     virtual const char *getPassName() const {
  56       return "STI CBEA SPU Assembly Printer";
  57     }
  58
  59     SPUTargetMachine &getTM() {
  60       return static_cast<SPUTargetMachine&>(TM);
  61     }
  62
  63     /// printInstruction - This method is automatically generated by tablegen
  64     /// from the instruction set description.  This method returns true if the
  65     /// machine instruction was sufficiently described to print it, otherwise it
  66     /// returns false.
  67     bool printInstruction(const MachineInstr *MI);
  68
  69     void printMachineInstruction(const MachineInstr *MI);
  70     void printOp(const MachineOperand &MO);
  71
  72     /// printRegister - Print register according to target requirements.
  73     ///
  74     void printRegister(const MachineOperand &MO, bool R0AsZero) {
  75       unsigned RegNo = MO.getReg();
  76       assert(TargetRegisterInfo::isPhysicalRegister(RegNo) &&
  77              "Not physreg??");
  78       O << TM.getRegisterInfo()->get(RegNo).AsmName;
  79     }
  80
  81     void printOperand(const MachineInstr *MI, unsigned OpNo) {
  82       const MachineOperand &MO = MI->getOperand(OpNo);
  83       if (MO.isReg()) {
  84         assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg())&&"Not physreg??");
  85         O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
  86       } else if (MO.isImm()) {
  87         O << MO.getImm();
  88       } else {
  89         printOp(MO);
  90       }
  91     }
  92
  93     bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
  94                          unsigned AsmVariant, const char *ExtraCode);
  95     bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
  96                                unsigned AsmVariant, const char *ExtraCode);
  97
  98
  99     void
 100     printS7ImmOperand(const MachineInstr *MI, unsigned OpNo)
 101     {
 102       int value = MI->getOperand(OpNo).getImm();
 103       value = (value << (32 - 7)) >> (32 - 7);
 104
 105       assert((value >= -(1 << 8) && value <= (1 << 7) - 1)
 106              && "Invalid s7 argument");
 107       O << value;
 108     }
 109
 110     void
 111     printU7ImmOperand(const MachineInstr *MI, unsigned OpNo)
 112     {
 113       unsigned int value = MI->getOperand(OpNo).getImm();
 114       assert(value < (1 << 8) && "Invalid u7 argument");
 115       O << value;
 116     }
 117
 118     void
 119     printShufAddr(const MachineInstr *MI, unsigned OpNo)
 120     {
 121       char value = MI->getOperand(OpNo).getImm();
 122       O << (int) value;
 123       O << "(";
 124       printOperand(MI, OpNo+1);
 125       O << ")";
 126     }
 127
 128     void
 129     printS16ImmOperand(const MachineInstr *MI, unsigned OpNo)
 130     {
 131       O << (short) MI->getOperand(OpNo).getImm();
 132     }
 133
 134     void
 135     printU16ImmOperand(const MachineInstr *MI, unsigned OpNo)
 136     {
 137       O << (unsigned short)MI->getOperand(OpNo).getImm();
 138     }
 139
 140     void
 141     printU32ImmOperand(const MachineInstr *MI, unsigned OpNo)
 142     {
 143       O << (unsigned)MI->getOperand(OpNo).getImm();
 144     }
 145
 146     void
 147     printMemRegReg(const MachineInstr *MI, unsigned OpNo) {
 148       // When used as the base register, r0 reads constant zero rather than
 149       // the value contained in the register.  For this reason, the darwin
 150       // assembler requires that we print r0 as 0 (no r) when used as the base.
 151       const MachineOperand &MO = MI->getOperand(OpNo);
 152       O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
 153       O << ", ";
 154       printOperand(MI, OpNo+1);
 155     }
 156
 157     void
 158     printU18ImmOperand(const MachineInstr *MI, unsigned OpNo)
 159     {
 160       unsigned int value = MI->getOperand(OpNo).getImm();
 161       assert(value <= (1 << 19) - 1 && "Invalid u18 argument");
 162       O << value;
 163     }
 164
 165     void
 166     printS10ImmOperand(const MachineInstr *MI, unsigned OpNo)
 167     {
 168       short value = (short) (((int) MI->getOperand(OpNo).getImm() << 16)
 169                              >> 16);
 170       assert((value >= -(1 << 9) && value <= (1 << 9) - 1)
 171              && "Invalid s10 argument");
 172       O << value;
 173     }
 174
 175     void
 176     printU10ImmOperand(const MachineInstr *MI, unsigned OpNo)
 177     {
 178       short value = (short) (((int) MI->getOperand(OpNo).getImm() << 16)
 179                              >> 16);
 180       assert((value <= (1 << 10) - 1) && "Invalid u10 argument");
 181       O << value;
 182     }
 183
 184     void
 185     printDFormAddr(const MachineInstr *MI, unsigned OpNo)
 186     {
 187       assert(MI->getOperand(OpNo).isImm() &&
 188              "printDFormAddr first operand is not immediate");
 189       int64_t value = int64_t(MI->getOperand(OpNo).getImm());
 190       int16_t value16 = int16_t(value);
 191       assert((value16 >= -(1 << (9+4)) && value16 <= (1 << (9+4)) - 1)
 192              && "Invalid dform s10 offset argument");
 193       O << (value16 & ~0xf) << "(";
 194       printOperand(MI, OpNo+1);
 195       O << ")";
 196     }
 197
 198     void
 199     printAddr256K(const MachineInstr *MI, unsigned OpNo)
 200     {
 201       /* Note: operand 1 is an offset or symbol name. */
 202       if (MI->getOperand(OpNo).isImm()) {
 203         printS16ImmOperand(MI, OpNo);
 204       } else {
 205         printOp(MI->getOperand(OpNo));
 206         if (MI->getOperand(OpNo+1).isImm()) {
 207           int displ = int(MI->getOperand(OpNo+1).getImm());
 208           if (displ > 0)
 209             O << "+" << displ;
 210           else if (displ < 0)
 211             O << displ;
 212         }
 213       }
 214     }
 215
 216     void printCallOperand(const MachineInstr *MI, unsigned OpNo) {
 217       printOp(MI->getOperand(OpNo));
 218     }
 219
 220     void printPCRelativeOperand(const MachineInstr *MI, unsigned OpNo) {
 221       // Used to generate a ".-<target>", but it turns out that the assembler
 222       // really wants the target.
 223       //
 224       // N.B.: This operand is used for call targets. Branch hints are another
 225       // animal entirely.
 226       printOp(MI->getOperand(OpNo));
 227     }
 228
 229     void printHBROperand(const MachineInstr *MI, unsigned OpNo) {
 230       // HBR operands are generated in front of branches, hence, the
 231       // program counter plus the target.
 232       O << ".+";
 233       printOp(MI->getOperand(OpNo));
 234     }
 235
 236     void printSymbolHi(const MachineInstr *MI, unsigned OpNo) {
 237       if (MI->getOperand(OpNo).isImm()) {
 238         printS16ImmOperand(MI, OpNo);
 239       } else {
 240         printOp(MI->getOperand(OpNo));
 241         O << "@h";
 242       }
 243     }
 244
 245     void printSymbolLo(const MachineInstr *MI, unsigned OpNo) {
 246       if (MI->getOperand(OpNo).isImm()) {
 247         printS16ImmOperand(MI, OpNo);
 248       } else {
 249         printOp(MI->getOperand(OpNo));
 250         O << "@l";
 251       }
 252     }
 253
 254     /// Print local store address
 255     void printSymbolLSA(const MachineInstr *MI, unsigned OpNo) {
 256       printOp(MI->getOperand(OpNo));
 257     }
 258
 259     void printROTHNeg7Imm(const MachineInstr *MI, unsigned OpNo) {
 260       if (MI->getOperand(OpNo).isImm()) {
 261         int value = (int) MI->getOperand(OpNo).getImm();
 262         assert((value >= 0 && value < 16)
 263                && "Invalid negated immediate rotate 7-bit argument");
 264         O << -value;
 265       } else {
 266         assert(0 &&"Invalid/non-immediate rotate amount in printRotateNeg7Imm");
 267       }
 268     }
 269
 270     void printROTNeg7Imm(const MachineInstr *MI, unsigned OpNo) {
 271       if (MI->getOperand(OpNo).isImm()) {
 272         int value = (int) MI->getOperand(OpNo).getImm();
 273         assert((value >= 0 && value <= 32)
 274                && "Invalid negated immediate rotate 7-bit argument");
 275         O << -value;
 276       } else {
 277         assert(0 &&"Invalid/non-immediate rotate amount in printRotateNeg7Imm");
 278       }
 279     }
 280
 281     virtual bool runOnMachineFunction(MachineFunction &F) = 0;
 282     //! Assembly printer cleanup after function has been emitted
 283     virtual bool doFinalization(Module &M) = 0;
 284   };
 285
 286   /// LinuxAsmPrinter - SPU assembly printer, customized for Linux
 287   class VISIBILITY_HIDDEN LinuxAsmPrinter : public SPUAsmPrinter {
 288     DwarfWriter *DW;
 289     MachineModuleInfo *MMI;
 290   public:
 291     LinuxAsmPrinter(raw_ostream &O, SPUTargetMachine &TM,
 292                     const TargetAsmInfo *T, bool F)
 293       : SPUAsmPrinter(O, TM, T, F), DW(0), MMI(0) {}
 294
 295     virtual const char *getPassName() const {
 296       return "STI CBEA SPU Assembly Printer";
 297     }
 298
 299     bool runOnMachineFunction(MachineFunction &F);
 300     bool doInitialization(Module &M);
 301     //! Dump globals, perform cleanup after function emission
 302     bool doFinalization(Module &M);
 303
 304     void getAnalysisUsage(AnalysisUsage &AU) const {
 305       AU.setPreservesAll();
 306       AU.addRequired<MachineModuleInfo>();
 307       AU.addRequired<DwarfWriter>();
 308       SPUAsmPrinter::getAnalysisUsage(AU);
 309     }
 310
 311     //! Emit a global variable according to its section and type
 312     void printModuleLevelGV(const GlobalVariable* GVar);
 313   };
 314 } // end of anonymous namespace
 315
 316 // Include the auto-generated portion of the assembly writer
 317 #include "SPUGenAsmWriter.inc"
 318
 319 void SPUAsmPrinter::printOp(const MachineOperand &MO) {
 320   switch (MO.getType()) {
 321   case MachineOperand::MO_Immediate:
 322     cerr << "printOp() does not handle immediate values\n";
 323     abort();
 324     return;
 325
 326   case MachineOperand::MO_MachineBasicBlock:
 327     printBasicBlockLabel(MO.getMBB());
 328     return;
 329   case MachineOperand::MO_JumpTableIndex:
 330     O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
 331       << '_' << MO.getIndex();
 332     return;
 333   case MachineOperand::MO_ConstantPoolIndex:
 334     O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
 335       << '_' << MO.getIndex();
 336     return;
 337   case MachineOperand::MO_ExternalSymbol:
 338     // Computing the address of an external symbol, not calling it.
 339     if (TM.getRelocationModel() != Reloc::Static) {
 340       std::string Name(TAI->getGlobalPrefix()); Name += MO.getSymbolName();
 341       GVStubs.insert(Name);
 342       O << "L" << Name << "$non_lazy_ptr";
 343       return;
 344     }
 345     O << TAI->getGlobalPrefix() << MO.getSymbolName();
 346     return;
 347   case MachineOperand::MO_GlobalAddress: {
 348     // Computing the address of a global symbol, not calling it.
 349     GlobalValue *GV = MO.getGlobal();
 350     std::string Name = Mang->getValueName(GV);
 351
 352     // External or weakly linked global variables need non-lazily-resolved
 353     // stubs
 354     if (TM.getRelocationModel() != Reloc::Static) {
 355       if (((GV->isDeclaration() || GV->hasWeakLinkage() ||
 356             GV->hasLinkOnceLinkage() || GV->hasCommonLinkage()))) {
 357         GVStubs.insert(Name);
 358         O << "L" << Name << "$non_lazy_ptr";
 359         return;
 360       }
 361     }
 362     O << Name;
 363
 364     if (GV->hasExternalWeakLinkage())
 365       ExtWeakSymbols.insert(GV);
 366     return;
 367   }
 368
 369   default:
 370     O << "<unknown operand type: " << MO.getType() << ">";
 371     return;
 372   }
 373 }
 374
 375 /// PrintAsmOperand - Print out an operand for an inline asm expression.
 376 ///
 377 bool SPUAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
 378                                     unsigned AsmVariant,
 379                                     const char *ExtraCode) {
 380   // Does this asm operand have a single letter operand modifier?
 381   if (ExtraCode && ExtraCode[0]) {
 382     if (ExtraCode[1] != 0) return true; // Unknown modifier.
 383
 384     switch (ExtraCode[0]) {
 385     default: return true;  // Unknown modifier.
 386     case 'L': // Write second word of DImode reference.
 387       // Verify that this operand has two consecutive registers.
 388       if (!MI->getOperand(OpNo).isReg() ||
 389           OpNo+1 == MI->getNumOperands() ||
 390           !MI->getOperand(OpNo+1).isReg())
 391         return true;
 392       ++OpNo;   // Return the high-part.
 393       break;
 394     }
 395   }
 396
 397   printOperand(MI, OpNo);
 398   return false;
 399 }
 400
 401 bool SPUAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
 402                                           unsigned OpNo,
 403                                           unsigned AsmVariant,
 404                                           const char *ExtraCode) {
 405   if (ExtraCode && ExtraCode[0])
 406     return true; // Unknown modifier.
 407   printMemRegReg(MI, OpNo);
 408   return false;
 409 }
 410
 411 /// printMachineInstruction -- Print out a single PowerPC MI in Darwin syntax
 412 /// to the current output stream.
 413 ///
 414 void SPUAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
 415   ++EmittedInsts;
 416   printInstruction(MI);
 417 }
 418
 419 /// runOnMachineFunction - This uses the printMachineInstruction()
 420 /// method to print assembly for each instruction.
 421 ///
 422 bool
 423 LinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF)
 424 {
 425   this->MF = &MF;
 426
 427   SetupMachineFunction(MF);
 428   O << "\n\n";
 429
 430   // Print out constants referenced by the function
 431   EmitConstantPool(MF.getConstantPool());
 432
 433   // Print out labels for the function.
 434   const Function *F = MF.getFunction();
 435
 436   SwitchToSection(TAI->SectionForGlobal(F));
 437   EmitAlignment(3, F);
 438
 439   switch (F->getLinkage()) {
 440   default: assert(0 && "Unknown linkage type!");
 441   case Function::PrivateLinkage:
 442   case Function::InternalLinkage:  // Symbols default to internal.
 443     break;
 444   case Function::ExternalLinkage:
 445     O << "\t.global\t" << CurrentFnName << "\n"
 446       << "\t.type\t" << CurrentFnName << ", @function\n";
 447     break;
 448   case Function::WeakLinkage:
 449   case Function::LinkOnceLinkage:
 450     O << "\t.global\t" << CurrentFnName << "\n";
 451     O << "\t.weak_definition\t" << CurrentFnName << "\n";
 452     break;
 453   }
 454   O << CurrentFnName << ":\n";
 455
 456   // Emit pre-function debug information.
 457   DW->BeginFunction(&MF);
 458
 459   // Print out code for the function.
 460   for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
 461        I != E; ++I) {
 462     // Print a label for the basic block.
 463     if (I != MF.begin()) {
 464       printBasicBlockLabel(I, true, true);
 465       O << '\n';
 466     }
 467     for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
 468          II != E; ++II) {
 469       // Print the assembly for the instruction.
 470       printMachineInstruction(II);
 471     }
 472   }
 473
 474   O << "\t.size\t" << CurrentFnName << ",.-" << CurrentFnName << "\n";
 475
 476   // Print out jump tables referenced by the function.
 477   EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
 478
 479   // Emit post-function debug information.
 480   DW->EndFunction(&MF);
 481
 482   // We didn't modify anything.
 483   return false;
 484 }
 485
 486
 487 bool LinuxAsmPrinter::doInitialization(Module &M) {
 488   bool Result = AsmPrinter::doInitialization(M);
 489   SwitchToTextSection("\t.text");
 490   // Emit initial debug information.
 491   DW = getAnalysisIfAvailable<DwarfWriter>();
 492   assert(DW && "Dwarf Writer is not available");
 493   MMI = getAnalysisIfAvailable<MachineModuleInfo>();
 494   DW->BeginModule(&M, MMI, O, this, TAI);
 495   return Result;
 496 }
 497
 498 /// PrintUnmangledNameSafely - Print out the printable characters in the name.
 499 /// Don't print things like \n or \0.
 500 static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
 501   for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
 502        Name != E; ++Name)
 503     if (isprint(*Name))
 504       OS << *Name;
 505 }
 506
 507 /*!
 508   Emit a global variable according to its section, alignment, etc.
 509
 510   \note This code was shamelessly copied from the PowerPC's assembly printer,
 511   which sort of screams for some kind of refactorization of common code.
 512  */
 513 void LinuxAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
 514   const TargetData *TD = TM.getTargetData();
 515
 516   if (!GVar->hasInitializer())
 517     return;
 518
 519   // Check to see if this is a special global used by LLVM, if so, emit it.
 520   if (EmitSpecialLLVMGlobal(GVar))
 521     return;
 522
 523   std::string name = Mang->getValueName(GVar);
 524
 525   printVisibility(name, GVar->getVisibility());
 526
 527   Constant *C = GVar->getInitializer();
 528   const Type *Type = C->getType();
 529   unsigned Size = TD->getTypePaddedSize(Type);
 530   unsigned Align = TD->getPreferredAlignmentLog(GVar);
 531
 532   SwitchToSection(TAI->SectionForGlobal(GVar));
 533
 534   if (C->isNullValue() && /* FIXME: Verify correct */
 535       !GVar->hasSection() &&
 536       (GVar->hasLocalLinkage() || GVar->hasExternalLinkage() ||
 537        GVar->mayBeOverridden())) {
 538       if (Size == 0) Size = 1;   // .comm Foo, 0 is undefined, avoid it.
 539
 540       if (GVar->hasExternalLinkage()) {
 541         O << "\t.global " << name << '\n';
 542         O << "\t.type " << name << ", @object\n";
 543         O << name << ":\n";
 544         O << "\t.zero " << Size << '\n';
 545       } else if (GVar->hasLocalLinkage()) {
 546         O << TAI->getLCOMMDirective() << name << ',' << Size;
 547       } else {
 548         O << ".comm " << name << ',' << Size;
 549       }
 550       O << "\t\t" << TAI->getCommentString() << " '";
 551       PrintUnmangledNameSafely(GVar, O);
 552       O << "'\n";
 553       return;
 554   }
 555
 556   switch (GVar->getLinkage()) {
 557     // Should never be seen for the CellSPU platform...
 558    case GlobalValue::LinkOnceLinkage:
 559    case GlobalValue::WeakLinkage:
 560    case GlobalValue::CommonLinkage:
 561     O << "\t.global " << name << '\n'
 562       << "\t.type " << name << ", @object\n"
 563       << "\t.weak " << name << '\n';
 564     break;
 565    case GlobalValue::AppendingLinkage:
 566     // FIXME: appending linkage variables should go into a section of
 567     // their name or something.  For now, just emit them as external.
 568    case GlobalValue::ExternalLinkage:
 569     // If external or appending, declare as a global symbol
 570     O << "\t.global " << name << '\n'
 571       << "\t.type " << name << ", @object\n";
 572     // FALL THROUGH
 573    case GlobalValue::PrivateLinkage:
 574    case GlobalValue::InternalLinkage:
 575     break;
 576    default:
 577     cerr << "Unknown linkage type!";
 578     abort();
 579   }
 580
 581   EmitAlignment(Align, GVar);
 582   O << name << ":\t\t\t\t" << TAI->getCommentString() << " '";
 583   PrintUnmangledNameSafely(GVar, O);
 584   O << "'\n";
 585
 586   // If the initializer is a extern weak symbol, remember to emit the weak
 587   // reference!
 588   if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
 589     if (GV->hasExternalWeakLinkage())
 590       ExtWeakSymbols.insert(GV);
 591
 592   EmitGlobalConstant(C);
 593   O << '\n';
 594 }
 595
 596 bool LinuxAsmPrinter::doFinalization(Module &M) {
 597   // Print out module-level global variables here.
 598   for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
 599        I != E; ++I)
 600     printModuleLevelGV(I);
 601
 602   // Emit initial debug information.
 603   DW->EndModule();
 604
 605   return AsmPrinter::doFinalization(M);
 606 }
 607
 608 /// createSPUCodePrinterPass - Returns a pass that prints the Cell SPU
 609 /// assembly code for a MachineFunction to the given output stream, in a format
 610 /// that the Linux SPU assembler can deal with.
 611 ///
 612 FunctionPass *llvm::createSPUAsmPrinterPass(raw_ostream &o,
 613                                             SPUTargetMachine &tm,
 614                                             bool fast) {
 615   return new LinuxAsmPrinter(o, tm, tm.getTargetAsmInfo(), fast);
 616 }