+ SymToPrint = GetExternalSymbolSymbol(MO.getSymbolName());
+ }
+
+ // If the name begins with a dollar-sign, enclose it in parens. We do this
+ // to avoid having it look like an integer immediate to the assembler.
+ if (SymToPrint->getName()[0] != '$')
+ O << *SymToPrint;
+ else
+ O << '(' << *SymToPrint << '(';
+ break;
+ }
+ }
+
+ switch (MO.getTargetFlags()) {
+ default:
+ llvm_unreachable("Unknown target flag on GV operand");
+ case X86II::MO_NO_FLAG: // No flag.
+ break;
+ case X86II::MO_DARWIN_NONLAZY:
+ case X86II::MO_DLLIMPORT:
+ case X86II::MO_DARWIN_STUB:
+ // These affect the name of the symbol, not any suffix.
+ break;
+ case X86II::MO_GOT_ABSOLUTE_ADDRESS:
+ O << " + [.-" << *MF->getPICBaseSymbol() << ']';
+ break;
+ case X86II::MO_PIC_BASE_OFFSET:
+ case X86II::MO_DARWIN_NONLAZY_PIC_BASE:
+ case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE:
+ O << '-' << *MF->getPICBaseSymbol();
+ break;
+ case X86II::MO_TLSGD: O << "@TLSGD"; break;
+ case X86II::MO_GOTTPOFF: O << "@GOTTPOFF"; break;
+ case X86II::MO_INDNTPOFF: O << "@INDNTPOFF"; break;
+ case X86II::MO_TPOFF: O << "@TPOFF"; break;
+ case X86II::MO_NTPOFF: O << "@NTPOFF"; break;
+ case X86II::MO_GOTPCREL: O << "@GOTPCREL"; break;
+ case X86II::MO_GOT: O << "@GOT"; break;
+ case X86II::MO_GOTOFF: O << "@GOTOFF"; break;
+ case X86II::MO_PLT: O << "@PLT"; break;
+ case X86II::MO_TLVP: O << "@TLVP"; break;
+ case X86II::MO_TLVP_PIC_BASE:
+ O << "@TLVP" << '-' << *MF->getPICBaseSymbol();
+ break;
+ }
+}
+
+/// print_pcrel_imm - This is used to print an immediate value that ends up
+/// being encoded as a pc-relative value. These print slightly differently, for
+/// example, a $ is not emitted.
+void X86AsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo,
+ raw_ostream &O) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
+ switch (MO.getType()) {
+ default: llvm_unreachable("Unknown pcrel immediate operand");
+ case MachineOperand::MO_Register:
+ // pc-relativeness was handled when computing the value in the reg.
+ printOperand(MI, OpNo, O);
+ return;
+ case MachineOperand::MO_Immediate:
+ O << MO.getImm();
+ return;
+ case MachineOperand::MO_MachineBasicBlock:
+ O << *MO.getMBB()->getSymbol();
+ return;
+ case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_ExternalSymbol:
+ printSymbolOperand(MO, O);
+ return;
+ }
+}
+
+
+void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
+ raw_ostream &O, const char *Modifier) {
+ const MachineOperand &MO = MI->getOperand(OpNo);
+ switch (MO.getType()) {
+ default: llvm_unreachable("unknown operand type!");
+ case MachineOperand::MO_Register: {
+ O << '%';
+ unsigned Reg = MO.getReg();
+ if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
+ EVT 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);
+ }
+ O << X86ATTInstPrinter::getRegisterName(Reg);
+ return;
+ }
+
+ case MachineOperand::MO_Immediate:
+ O << '$' << MO.getImm();
+ return;
+
+ case MachineOperand::MO_JumpTableIndex:
+ case MachineOperand::MO_ConstantPoolIndex:
+ case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_ExternalSymbol: {
+ O << '$';
+ printSymbolOperand(MO, O);
+ break;
+ }
+ }
+}
+
+void X86AsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O) {
+ unsigned char value = MI->getOperand(Op).getImm();
+ assert(value <= 7 && "Invalid ssecc argument!");
+ switch (value) {
+ case 0: O << "eq"; break;
+ case 1: O << "lt"; break;
+ case 2: O << "le"; break;
+ case 3: O << "unord"; break;
+ case 4: O << "neq"; break;
+ case 5: O << "nlt"; break;
+ case 6: O << "nle"; break;
+ case 7: O << "ord"; break;
+ }
+}
+
+void X86AsmPrinter::printLeaMemReference(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O, const char *Modifier) {
+ const MachineOperand &BaseReg = MI->getOperand(Op);
+ const MachineOperand &IndexReg = MI->getOperand(Op+2);
+ const MachineOperand &DispSpec = MI->getOperand(Op+3);
+
+ // If we really don't want to print out (rip), don't.
+ bool HasBaseReg = BaseReg.getReg() != 0;
+ if (HasBaseReg && Modifier && !strcmp(Modifier, "no-rip") &&
+ BaseReg.getReg() == X86::RIP)
+ HasBaseReg = false;
+
+ // HasParenPart - True if we will print out the () part of the mem ref.
+ bool HasParenPart = IndexReg.getReg() || HasBaseReg;
+
+ if (DispSpec.isImm()) {
+ int DispVal = DispSpec.getImm();
+ if (DispVal || !HasParenPart)
+ O << DispVal;
+ } else {
+ assert(DispSpec.isGlobal() || DispSpec.isCPI() ||
+ DispSpec.isJTI() || DispSpec.isSymbol());
+ printSymbolOperand(MI->getOperand(Op+3), O);
+ }
+
+ if (Modifier && strcmp(Modifier, "H") == 0)
+ O << "+8";
+
+ if (HasParenPart) {
+ assert(IndexReg.getReg() != X86::ESP &&
+ "X86 doesn't allow scaling by ESP");
+
+ O << '(';
+ if (HasBaseReg)
+ printOperand(MI, Op, O, Modifier);
+
+ if (IndexReg.getReg()) {
+ O << ',';
+ printOperand(MI, Op+2, O, Modifier);
+ unsigned ScaleVal = MI->getOperand(Op+1).getImm();
+ if (ScaleVal != 1)
+ O << ',' << ScaleVal;
+ }
+ O << ')';
+ }
+}
+
+void X86AsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O, const char *Modifier) {
+ assert(isMem(MI, Op) && "Invalid memory reference!");
+ const MachineOperand &Segment = MI->getOperand(Op+4);
+ if (Segment.getReg()) {
+ printOperand(MI, Op+4, O, Modifier);
+ O << ':';
+ }
+ printLeaMemReference(MI, Op, O, Modifier);
+}
+
+void X86AsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O) {
+ O << *MF->getPICBaseSymbol() << '\n';
+ O << *MF->getPICBaseSymbol() << ':';
+}
+
+bool X86AsmPrinter::printAsmMRegister(const MachineOperand &MO, char Mode,
+ raw_ostream &O) {
+ 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;
+ case 'q': // Print DImode register
+ Reg = getX86SubSuperRegister(Reg, MVT::i64);
+ break;
+ }
+
+ O << '%' << X86ATTInstPrinter::getRegisterName(Reg);
+ return false;
+}
+
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool X86AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode, raw_ostream &O) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ const MachineOperand &MO = MI->getOperand(OpNo);
+
+ switch (ExtraCode[0]) {
+ default: return true; // Unknown modifier.
+ case 'a': // This is an address. Currently only 'i' and 'r' are expected.
+ if (MO.isImm()) {
+ O << MO.getImm();
+ return false;
+ }
+ if (MO.isGlobal() || MO.isCPI() || MO.isJTI() || MO.isSymbol()) {
+ printSymbolOperand(MO, O);
+ if (Subtarget->isPICStyleRIPRel())
+ O << "(%rip)";
+ return false;
+ }
+ if (MO.isReg()) {
+ O << '(';
+ printOperand(MI, OpNo, O);
+ O << ')';
+ return false;
+ }
+ return true;
+
+ case 'c': // Don't print "$" before a global var name or constant.
+ if (MO.isImm())
+ O << MO.getImm();
+ else if (MO.isGlobal() || MO.isCPI() || MO.isJTI() || MO.isSymbol())
+ printSymbolOperand(MO, O);
+ else
+ printOperand(MI, OpNo, O);
+ return false;
+
+ case 'A': // Print '*' before a register (it must be a register)
+ if (MO.isReg()) {
+ O << '*';
+ printOperand(MI, OpNo, O);
+ return false;