O << "\"L" << getFunctionNumber() << "$pb\":";
}
+
+bool X86ATTAsmPrinter::printAsmMRegsiter(const MachineOperand &MO,
+ const char Mode) {
+ const MRegisterInfo &RI = *TM.getRegisterInfo();
+ unsigned Reg = MO.getReg();
+ const char *Name = RI.get(Reg).Name;
+ switch (Mode) {
+ default: return true; // Unknown mode.
+ case 'b': // Print QImode register
+ switch (Reg) {
+ default: return true;
+ case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
+ Name = "al";
+ break;
+ case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
+ Name = "dl";
+ break;
+ case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
+ Name = "cl";
+ break;
+ case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
+ Name = "bl";
+ break;
+ case X86::ESI:
+ Name = "sil";
+ break;
+ case X86::EDI:
+ Name = "dil";
+ break;
+ case X86::EBP:
+ Name = "bpl";
+ break;
+ case X86::ESP:
+ Name = "spl";
+ break;
+ }
+ break;
+ case 'h': // Print QImode high register
+ switch (Reg) {
+ default: return true;
+ case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
+ Name = "al";
+ break;
+ case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
+ Name = "dl";
+ break;
+ case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
+ Name = "cl";
+ break;
+ case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
+ Name = "bl";
+ break;
+ }
+ break;
+ case 'w': // Print HImode register
+ switch (Reg) {
+ default: return true;
+ case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
+ Name = "ax";
+ break;
+ case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
+ Name = "dx";
+ break;
+ case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
+ Name = "cx";
+ break;
+ case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
+ Name = "bx";
+ break;
+ case X86::ESI:
+ Name = "si";
+ break;
+ case X86::EDI:
+ Name = "di";
+ break;
+ case X86::EBP:
+ Name = "bp";
+ break;
+ case X86::ESP:
+ Name = "sp";
+ break;
+ }
+ break;
+ case 'k': // Print SImode register
+ switch (Reg) {
+ default: return true;
+ case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
+ Name = "eax";
+ break;
+ case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
+ Name = "edx";
+ break;
+ case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
+ Name = "ecx";
+ break;
+ case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
+ Name = "ebx";
+ break;
+ case X86::ESI:
+ Name = "esi";
+ break;
+ case X86::EDI:
+ Name = "edi";
+ break;
+ case X86::EBP:
+ Name = "ebp";
+ break;
+ case X86::ESP:
+ Name = "esp";
+ break;
+ }
+ break;
+ }
+
+ O << '%' << 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 'b': // Print QImode register
+ case 'h': // Print QImode high register
+ case 'w': // Print HImode register
+ case 'k': // Print SImode register
+ return printAsmMRegsiter(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.
///