1 //===-- MSP430InstPrinter.cpp - Convert MSP430 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 MSP430 MCInst to a .s file.
12 //===----------------------------------------------------------------------===//
14 #define DEBUG_TYPE "asm-printer"
15 #include "MSP430InstrInfo.h"
16 #include "MSP430InstPrinter.h"
17 #include "llvm/MC/MCInst.h"
18 #include "llvm/MC/MCAsmInfo.h"
19 #include "llvm/MC/MCExpr.h"
20 #include "llvm/Support/ErrorHandling.h"
21 #include "llvm/Support/FormattedStream.h"
22 #include "MSP430GenInstrNames.inc"
26 // Include the auto-generated portion of the assembly writer.
27 #define MachineInstr MCInst
28 #define MSP430AsmPrinter MSP430InstPrinter // FIXME: REMOVE.
29 #define NO_ASM_WRITER_BOILERPLATE
30 #include "MSP430GenAsmWriter.inc"
32 #undef MSP430AsmPrinter
34 void MSP430InstPrinter::printInst(const MCInst *MI) {
38 void MSP430InstPrinter::printPCRelImmOperand(const MCInst *MI, unsigned OpNo) {
39 const MCOperand &Op = MI->getOperand(OpNo);
43 assert(Op.isExpr() && "unknown pcrel immediate operand");
44 Op.getExpr()->print(O, &MAI);
48 void MSP430InstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
49 const char *Modifier) {
50 const MCOperand &Op = MI->getOperand(OpNo);
52 O << getRegisterName(Op.getReg());
53 } else if (Op.isImm()) {
54 O << '#' << Op.getImm();
56 assert(Op.isExpr() && "unknown operand kind in printOperand");
58 Op.getExpr()->print(O, &MAI);
62 void MSP430InstPrinter::printSrcMemOperand(const MCInst *MI, unsigned OpNo,
63 const char *Modifier) {
64 const MCOperand &Base = MI->getOperand(OpNo);
65 const MCOperand &Disp = MI->getOperand(OpNo+1);
67 // FIXME: move global to displacement field!
70 Base.getExpr()->print(O, &MAI);
71 } else if (Disp.isImm() && !Base.isReg())
72 printOperand(MI, OpNo);
73 else if (Base.isReg()) {
75 O << Disp.getImm() << '(';
76 printOperand(MI, OpNo);
80 printOperand(MI, OpNo);
85 llvm_unreachable("Unsupported memory operand");
89 void MSP430InstPrinter::printCCOperand(const MCInst *MI, unsigned OpNo) {
90 unsigned CC = MI->getOperand(OpNo).getImm();
94 llvm_unreachable("Unsupported CC code");
102 case MSP430::COND_HS:
105 case MSP430::COND_LO:
108 case MSP430::COND_GE: