001    /*
002     *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003     *
004     *  This file is licensed to You under the Eclipse Public License (EPL);
005     *  You may not use this file except in compliance with the License. You
006     *  may obtain a copy of the License at
007     *
008     *      http://www.opensource.org/licenses/eclipse-1.0.php
009     *
010     *  See the COPYRIGHT.txt file distributed with this work for information
011     *  regarding copyright ownership.
012     */
013    package org.jikesrvm.osr.bytecodes;
014    
015    
016    /**
017     * BC_LoadDoubleConst: ldc2_w
018     */
019    public class LoadDoubleConst extends PseudoBytecode {
020      private static final int bsize = 10;
021      private final long dbits;
022    
023      public LoadDoubleConst(long bits) {
024        this.dbits = bits;
025      }
026    
027      @Override
028      public byte[] getBytes() {
029        byte[] codes = initBytes(bsize, PSEUDO_LoadDoubleConst);
030        long2bytes(codes, 2, dbits);
031        return codes;
032      }
033    
034      @Override
035      public int getSize() {
036        return bsize;
037      }
038    
039      @Override
040      public int stackChanges() {
041        return +2;
042      }
043    
044      @Override
045      public String toString() {
046        return "LoadDouble 0x" + Long.toHexString(dbits) + " : " + Double.longBitsToDouble(dbits);
047      }
048    }
049