1 //===-- PPCInstPrinter.cpp - Convert PPC MCInst to assembly syntax --------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This class prints an PPC MCInst to a .s file.
12 //===----------------------------------------------------------------------===//
14 #define DEBUG_TYPE "asm-printer"
15 #include "PPCInstPrinter.h"
16 #include "llvm/MC/MCExpr.h"
17 #include "llvm/MC/MCInst.h"
18 //#include "llvm/MC/MCAsmInfo.h"
19 //#include "llvm/ADT/StringExtras.h"
20 #include "llvm/Support/raw_ostream.h"
22 #include "PPCGenRegisterNames.inc"
23 #include "PPCGenInstrNames.inc"
26 #define GET_INSTRUCTION_NAME
27 #define PPCAsmPrinter PPCInstPrinter
28 #define MachineInstr MCInst
29 #include "PPCGenAsmWriter.inc"
31 StringRef PPCInstPrinter::getOpcodeName(unsigned Opcode) const {
32 return getInstructionName(Opcode);
36 void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
39 printInstruction(MI, O);
42 /// stripRegisterPrefix - This method strips the character prefix from a
43 /// register name so that only the number is left. Used by for linux asm.
44 const char *stripRegisterPrefix(const char *RegName) {
48 case 'v': return RegName + 1;
49 case 'c': if (RegName[1] == 'r') return RegName + 2;
55 void PPCInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
57 const MCOperand &Op = MI->getOperand(OpNo);
59 const char *RegName = getRegisterName(Op.getReg());
60 // The linux and AIX assembler does not take register prefixes.
61 if (!isDarwinSyntax())
62 RegName = stripRegisterPrefix(RegName);
73 assert(Op.isExpr() && "unknown operand kind in printOperand");