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//===-- Nios2InstPrinter.cpp - Convert Nios2 MCInst to assembly syntax-----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class prints an Nios2 MCInst to a .s file.
//
//===----------------------------------------------------------------------===//
#include "Nios2InstPrinter.h"
#include "Nios2InstrInfo.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
#define DEBUG_TYPE "asm-printer"
#define PRINT_ALIAS_INSTR
#include "Nios2GenAsmWriter.inc"
void Nios2InstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
OS << getRegisterName(RegNo);
}
void Nios2InstPrinter::printInst(const MCInst *MI, raw_ostream &O,
StringRef Annot, const MCSubtargetInfo &STI) {
// Try to print any aliases first.
if (!printAliasInstr(MI, STI, O))
printInstruction(MI, STI, O);
printAnnotation(O, Annot);
}
void Nios2InstPrinter::printOperand(const MCInst *MI, int OpNo,
const MCSubtargetInfo &STI,
raw_ostream &O) {
const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isReg()) {
printRegName(O, Op.getReg());
return;
}
if (Op.isImm()) {
O << Op.getImm();
return;
}
assert(Op.isExpr() && "unknown operand kind in printOperand");
Op.getExpr()->print(O, &MAI, true);
}
void Nios2InstPrinter::printMemOperand(const MCInst *MI, int opNum,
const MCSubtargetInfo &STI,
raw_ostream &O, const char *Modifier) {
// Load/Store memory operands -- imm($reg)
printOperand(MI, opNum + 1, STI, O);
O << "(";
printOperand(MI, opNum, STI, O);
O << ")";
}
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