org.robovm.compiler.llvm.Fcmp Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of robovm-compiler Show documentation
The newest version!
/*
 * Copyright (C) 2012 RoboVM AB
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.robovm.compiler.llvm;

import java.io.IOException;
import java.io.Writer;

/**
 *
 * @version $Id$
 */
public class Fcmp extends BinaryOpInstruction {
    
    public enum Condition {oeq, ogt, oge, olt, ole, one, ord, 
        ueq, ugt, uge, ult, ule, une, uno}
    
    private final Condition cond;

    public Fcmp(Variable result, Condition cond, Value op1, Value op2) {
        super(result, op1, op2);
        if (result.getType() != Type.I1) {
            throw new IllegalArgumentException("i1 type expected as result");
        }
        if (!op1.getType().equals(op2.getType())) {
            throw new IllegalArgumentException("Type mismatch");
        }
        if (!op1.isFloatingPoint()) {
            throw new IllegalArgumentException("Floating point type expected");
        }
        this.cond = cond;
    }

    @Override
    public void write(Writer writer) throws IOException {
        writer.append(result.toString()).append(" = fcmp ").append(cond.toString()).append(' ');
        op1.getType().write(writer);
        writer.write(' ');
        op1.write(writer);
        writer.write(", ");
        op2.write(writer);
    }

    @Override
    public String toString() {
        return toString(this::write);
    }
}