JoaoJunior/formatted-java-code-APR · Datasets at Hugging Face

public abstract FontMetrics getFontMetrics(Font font);

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public void setText(String text) { this.text = text; revalidate(); repaint(); }

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public void setIcon(Icon defaultIcon) { if (default_icon == defaultIcon) return; default_icon = defaultIcon; if (default_icon != null) { // XXX FIXME - icons do not know their parent // default_icon.setParent(this); } revalidate(); repaint(); }

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public AWTEvent(Object source, int id) { super(source); this.id = id; }

public AWTEvent(Event event) { super(source); this.id = id; }

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public AWTEvent(Object source, int id) { super(source); this.id = id; }

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public JScrollPane(Component view, int vsbPolicy, int hsbPolicy) { scrollListener = createScrollListener(); setVerticalScrollBarPolicy(vsbPolicy); setVerticalScrollBar(createVerticalScrollBar()); setHorizontalScrollBarPolicy(hsbPolicy); setHorizontalScrollBar(createHorizontalScrollBar()); setViewportView(view); setLayout(new ScrollPaneLayout()); setOpaque(false); updateUI(); }

public JScrollPane() { scrollListener = createScrollListener(); setVerticalScrollBarPolicy(vsbPolicy); setVerticalScrollBar(createVerticalScrollBar()); setHorizontalScrollBarPolicy(hsbPolicy); setHorizontalScrollBar(createHorizontalScrollBar()); setViewportView(view); setLayout(new ScrollPaneLayout()); setOpaque(false); updateUI(); }

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public JScrollPane(Component view, int vsbPolicy, int hsbPolicy) { scrollListener = createScrollListener(); setVerticalScrollBarPolicy(vsbPolicy); setVerticalScrollBar(createVerticalScrollBar()); setHorizontalScrollBarPolicy(hsbPolicy); setHorizontalScrollBar(createHorizontalScrollBar()); setViewportView(view); setLayout(new ScrollPaneLayout()); setOpaque(false); updateUI(); }

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public Image createImage (int width, int height) { Image returnValue = null; if (!GraphicsEnvironment.isHeadless ()) { if (isLightweight () && parent != null) returnValue = parent.createImage (width, height); else if (peer != null) returnValue = peer.createImage (width, height); } return returnValue; }

public Image createImage(ImageProducer producer) { Image returnValue = null; if (!GraphicsEnvironment.isHeadless ()) { if (isLightweight () && parent != null) returnValue = parent.createImage (width, height); else if (peer != null) returnValue = peer.createImage (width, height); } return returnValue; }

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public Image createImage (int width, int height) { Image returnValue = null; if (!GraphicsEnvironment.isHeadless ()) { if (isLightweight () && parent != null) returnValue = parent.createImage (width, height); else if (peer != null) returnValue = peer.createImage (width, height); } return returnValue; }

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public Image createImage(int width, int height) { Component parent = awtComponent.getParent(); ComponentPeer parentPeer = parent.getPeer(); return parentPeer.createImage(width, height); }

public Image createImage(ImageProducer prod) { Component parent = awtComponent.getParent(); ComponentPeer parentPeer = parent.getPeer(); return parentPeer.createImage(width, height); }

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public Image createImage(int width, int height) { Component parent = awtComponent.getParent(); ComponentPeer parentPeer = parent.getPeer(); return parentPeer.createImage(width, height); }

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public void replaceRange(String text, int start, int end) { Document doc = getDocument(); if (start > end || start < doc.getStartPosition().getOffset() || end >= doc.getEndPosition().getOffset()) throw new IllegalArgumentException(); try { doc.remove(start, end - start); doc.insertString(start, text, null); } catch (BadLocationException e) { // This cannot happen as we check offset above. throw new Error("Please report a bug", e); } }

public void replaceRange(String text, int start, int end) { Document doc = getDocument(); if (start > end || start < doc.getStartPosition().getOffset() || end >= doc.getEndPosition().getOffset()) throw new IllegalArgumentException(); try { doc.remove(start, end - start); doc.insertString(start, text, null); } catch (BadLocationException e) { // This cannot happen as we check offset above. } }

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public BeanDescriptor(Class beanClass, Class customizerClass) { this.beanClass = beanClass; this.customizerClass = customizerClass; }

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private Pattern (String regex) throws PatternSyntaxException { this (regex, 0); }

private Pattern (String regex, int flags) throws PatternSyntaxException { this (regex, 0); }

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private Pattern (String regex) throws PatternSyntaxException { this (regex, 0); }

private Pattern (String regex) throws PatternSyntaxException { this.regex = regex; this.flags = flags; int gnuFlags = 0; if ((flags & CASE_INSENSITIVE) != 0) gnuFlags |= RE.REG_ICASE; if ((flags & MULTILINE) != 0) gnuFlags |= RE.REG_MULTILINE; if ((flags & DOTALL) != 0) gnuFlags |= RE.REG_DOT_NEWLINE; RESyntax syntax = RESyntax.RE_SYNTAX_PERL5; if ((flags & UNIX_LINES) != 0) { syntax = new RESyntax(syntax); syntax.setLineSeparator("\n"); } if ((flags & COMMENTS) != 0) { } try { this.re = new RE(regex, gnuFlags, syntax); } catch (REException e) { throw new PatternSyntaxException(e.getMessage(), regex, e.getPosition()); }

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public RESyntax(RESyntax other) { bits = (BitSet) other.bits.clone(); }

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public RE(Object pattern, int cflags, RESyntax syntax) throws REException { this(pattern,cflags,syntax,0,0); }

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public Number parse (String sourceStr) throws ParseException { ParsePosition pp = new ParsePosition (0); Number r = parse (sourceStr, pp); if (r == null) { int index = pp.getErrorIndex(); if (index < 0) index = pp.getIndex(); throw new ParseException ("couldn't parse number", index); } return r; }

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public SwingToolkit() { }

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public static void add(Component component, JComponent peer) { final ISwingContainerPeer containerPeer = getContainerPeer(component); if (containerPeer != null) { containerPeer.addAWTComponent(component, peer); } }

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final static void copyAwtProperties(Component awtComponent, JComponent peer) { Color c; Font f; if ((c = awtComponent.getForeground()) != null) { peer.setForeground(c); } if ((c = awtComponent.getBackground()) != null) { peer.setBackground(c); } if ((f = awtComponent.getFont()) != null) { peer.setFont(f); } }

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protected ButtonPeer createButton(Button target) { return new SwingButtonPeer(this, target); }

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protected CanvasPeer createCanvas(Canvas target) { // return super.createCanvas( target ); return new SwingCanvasPeer(this, target); }

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protected CheckboxPeer createCheckbox(Checkbox target) { return new SwingCheckboxPeer(this, target); }

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protected CheckboxMenuItemPeer createCheckboxMenuItem( CheckboxMenuItem target) { return new SwingCheckboxMenuItemPeer(this, target); }

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protected ChoicePeer createChoice(Choice target) { return new SwingChoicePeer(this, target); }

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protected LightweightPeer createComponent(Component target) { if (target instanceof Container) return new SwingLightweightContainerPeer(this, (Container) target); else return new SwingLightweightPeer(this, target); }

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protected DialogPeer createDialog(Dialog target) { return new SwingDialogPeer(this, target); }

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public DragSourceContextPeer createDragSourceContextPeer( DragGestureEvent dge) { return null; }

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protected FileDialogPeer createFileDialog(FileDialog target) { return null; }

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protected FramePeer createFrame(Frame target) { if (!isGuiActive()) { throw new AWTError("AWT is currently not available"); } if (target instanceof DesktopFrame) { setTop(target); log.debug("createFrame:desktopFramePeer(" + target + ")"); // Only desktop is real frame return new DesktopFramePeer(this, target); } else { if (!isGuiActive()) { throw new AWTError("Gui is not active"); } log.debug("createFrame:normal(" + target + ")"); // Other frames are emulated return new SwingFramePeer(this, desktopFrame.getDesktop(), target); } }

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protected LabelPeer createLabel(Label target) { return new SwingLabelPeer(this, target); }

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protected ListPeer createList(java.awt.List target) { return new SwingListPeer(this, target); }

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protected MenuPeer createMenu(Menu target) { return new SwingMenuPeer(this, target); }

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protected MenuBarPeer createMenuBar(MenuBar target) { return new SwingMenuBarPeer(this, target); }

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protected MenuItemPeer createMenuItem(MenuItem target) { return new SwingMenuItemPeer(this, target); }

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protected PanelPeer createPanel(Panel target) { return new SwingPanelPeer(this, target); }

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protected PopupMenuPeer createPopupMenu(PopupMenu target) { return new SwingPopupMenuPeer(this, target); }

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protected ScrollPanePeer createScrollPane(ScrollPane target) { return new SwingScrollPanePeer(this, target); }

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protected ScrollbarPeer createScrollbar(Scrollbar target) { return new SwingScrollbarPeer(this, target); }

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protected TextAreaPeer createTextArea(TextArea target) { return new SwingTextAreaPeer(this, target); }

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protected TextFieldPeer createTextField(TextField target) { return new SwingTextFieldPeer(this, target); }

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protected WindowPeer createWindow(Window target) { return new SwingWindowPeer(this, target); }

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public JNodeAwtContext getAwtContext() { return desktopFrame; }

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private static ISwingContainerPeer getContainerPeer(Component component) { final Component parent = component.getParent(); if (parent == null) { return null; } else { final ComponentPeer parentPeer = parent.getPeer(); if (parentPeer instanceof ISwingContainerPeer) { return (ISwingContainerPeer) parentPeer; } else { return getContainerPeer(parent); } } }

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public Component getTopComponentAt(int x, int y) { Component comp = super.getTopComponentAt(x, y); SwingFramePeer.SwingFrame sfp = (SwingFramePeer.SwingFrame) SwingUtilities .getAncestorOfClass(SwingFramePeer.SwingFrame.class, comp); if (sfp != null) { Rectangle r = sfp.getBounds(); Insets ins = sfp.getSwingPeer().getInsets(); r.x = r.x + ins.left; r.y = r.y + ins.top; r.width = r.width - ins.left - ins.right; r.height = r.height - ins.top - ins.bottom; if (r.contains(x, y)) { Component c = sfp.getAwtFrame().findComponentAt(x, y); if (c != null) { comp = c; } } } return comp; }

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protected void onClose() { log.debug("onClose"); desktopFrame.dispose(); desktopFrame = null; }

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final void onDisposeFrame() { // Nothing to do }

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protected void onInitialize() { log.debug("onInitialize"); desktopFrame = new DesktopFrame(getScreenSize()); desktopFrame.show(); }

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public static void paintLightWeightChildren(Container awtContainer, Graphics g, int dx, int dy) { final Shape oldClip = g.getClip(); try { final Component[] comps = awtContainer.getComponents(); final int cnt = comps.length; for (int i = 0; i < cnt; i++) { final Component child = comps[i]; if (child.isVisible() && child.isLightweight()) { final int x = child.getX() - dx; final int y = child.getY() - dy; final int width = child.getWidth(); final int height = child.getHeight(); g.setClip(x, y, width, height); g.translate(x, y); try { child.paint(g); } finally { g.translate(-x, -y); } } } } finally { g.setClip(oldClip); } }

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protected LightweightPeer createComponent(Component target) { return new gnu.java.awt.peer.GLightweightPeer (target); }

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public SwingPopupMenuPeer(SwingToolkit toolkit, PopupMenu popupMenu) { super(toolkit, popupMenu, new JPopupMenu()); int ic = popupMenu.getItemCount(); for(int i = 0; i < ic ; i++){ MenuItem mi = popupMenu.getItem(i); JMenuItem jmi = new JMenuItem(mi.getLabel()); } }

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public abstract void insert_Object(org.omg.CORBA.Object x);

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public BAD_OPERATION() { super("", 0, CompletionStatus.COMPLETED_NO); }

public BAD_OPERATION(String message) { super("", 0, CompletionStatus.COMPLETED_NO); }

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public BAD_OPERATION() { super("", 0, CompletionStatus.COMPLETED_NO); }

public BAD_OPERATION() { super(message, 0, CompletionStatus.COMPLETED_NO); }

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private void readManifest(boolean verify) throws IOException { firstEntry = (JarEntry) super.getNextEntry(); while ((firstEntry != null) && firstEntry.getName().startsWith("META-INF/")) { if (firstEntry.getName().equals(JarFile.MANIFEST_NAME)) { manifest = new Manifest(this); } firstEntry = (JarEntry) super.getNextEntry(); } closeEntry(); if (verify) { // XXX } }

private void readManifest(boolean verify) throws IOException { firstEntry = (JarEntry) super.getNextEntry(); while ((firstEntry != null) && firstEntry.getName().startsWith("META-INF/")) { if (firstEntry.getName().equals(JarFile.MANIFEST_NAME)) { manifest = new Manifest(this); } firstEntry = (JarEntry) super.getNextEntry(); } if (verify) { // XXX } }

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public JarEntry(ZipEntry entry) { super(entry); attr = null; certs = null; }

public JarEntry(String name) throws NullPointerException, IllegalArgumentException { super(entry); attr = null; certs = null; }

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public JarEntry(ZipEntry entry) { super(entry); attr = null; certs = null; }

public JarEntry(ZipEntry entry) { super(name); attr = null; certs = null; }

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public int read(byte[] b, int off, int len) throws IOException { if (len == 0) return 0; if (crc == null) throw new IOException("Stream closed."); if (entry == null) return -1; boolean finished = false; switch (method) { case ZipOutputStream.DEFLATED: len = super.read(b, off, len); if (len < 0) { if (!inf.finished()) throw new ZipException("Inflater not finished!?"); avail = inf.getRemaining(); if ((flags & 8) != 0) readDataDescr(); if (inf.getTotalIn() != csize || inf.getTotalOut() != size) throw new ZipException("size mismatch: "+csize+";"+size+" <-> "+inf.getTotalIn()+";"+inf.getTotalOut()); inf.reset(); finished = true; } break; case ZipOutputStream.STORED: if (len > csize && csize >= 0) len = csize; len = readBuf(b, off, len); if (len > 0) { csize -= len; size -= len; } if (csize == 0) finished = true; else if (len < 0) throw new ZipException("EOF in stored block"); break; } if (len > 0) crc.update(b, off, len); if (finished) { if ((crc.getValue() & 0xffffffffL) != entry.getCrc()) throw new ZipException("CRC mismatch"); crc.reset(); entry = null; entryAtEOF = true; } return len; }

public int read() throws IOException { if (len == 0) return 0; if (crc == null) throw new IOException("Stream closed."); if (entry == null) return -1; boolean finished = false; switch (method) { case ZipOutputStream.DEFLATED: len = super.read(b, off, len); if (len < 0) { if (!inf.finished()) throw new ZipException("Inflater not finished!?"); avail = inf.getRemaining(); if ((flags & 8) != 0) readDataDescr(); if (inf.getTotalIn() != csize || inf.getTotalOut() != size) throw new ZipException("size mismatch: "+csize+";"+size+" <-> "+inf.getTotalIn()+";"+inf.getTotalOut()); inf.reset(); finished = true; } break; case ZipOutputStream.STORED: if (len > csize && csize >= 0) len = csize; len = readBuf(b, off, len); if (len > 0) { csize -= len; size -= len; } if (csize == 0) finished = true; else if (len < 0) throw new ZipException("EOF in stored block"); break; } if (len > 0) crc.update(b, off, len); if (finished) { if ((crc.getValue() & 0xffffffffL) != entry.getCrc()) throw new ZipException("CRC mismatch"); crc.reset(); entry = null; entryAtEOF = true; } return len; }

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public int read(byte[] b, int off, int len) throws IOException { if (len == 0) return 0; if (crc == null) throw new IOException("Stream closed."); if (entry == null) return -1; boolean finished = false; switch (method) { case ZipOutputStream.DEFLATED: len = super.read(b, off, len); if (len < 0) { if (!inf.finished()) throw new ZipException("Inflater not finished!?"); avail = inf.getRemaining(); if ((flags & 8) != 0) readDataDescr(); if (inf.getTotalIn() != csize || inf.getTotalOut() != size) throw new ZipException("size mismatch: "+csize+";"+size+" <-> "+inf.getTotalIn()+";"+inf.getTotalOut()); inf.reset(); finished = true; } break; case ZipOutputStream.STORED: if (len > csize && csize >= 0) len = csize; len = readBuf(b, off, len); if (len > 0) { csize -= len; size -= len; } if (csize == 0) finished = true; else if (len < 0) throw new ZipException("EOF in stored block"); break; } if (len > 0) crc.update(b, off, len); if (finished) { if ((crc.getValue() & 0xffffffffL) != entry.getCrc()) throw new ZipException("CRC mismatch"); crc.reset(); entry = null; entryAtEOF = true; } return len; }

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public int read(byte[] b, int off, int len) throws IOException { if (len == 0) return 0; if (crc == null) throw new IOException("Stream closed."); if (entry == null) return -1; boolean finished = false; switch (method) { case ZipOutputStream.DEFLATED: len = super.read(b, off, len); if (len < 0) { if (!inf.finished()) throw new ZipException("Inflater not finished!?"); avail = inf.getRemaining(); if ((flags & 8) != 0) readDataDescr(); if (inf.getTotalIn() != csize || inf.getTotalOut() != size) throw new ZipException("size mismatch: "+csize+";"+size+" <-> "+inf.getTotalIn()+";"+inf.getTotalOut()); inf.reset(); finished = true; } break; case ZipOutputStream.STORED: if (len > csize && csize >= 0) len = csize; len = readBuf(b, off, len); if (len > 0) { csize -= len; size -= len; } if (csize == 0) finished = true; else if (len < 0) throw new ZipException("EOF in stored block"); break; } if (len > 0) crc.update(b, off, len); if (finished) { if ((crc.getValue() & 0xffffffffL) != entry.getCrc()) throw new ZipException("CRC mismatch"); crc.reset(); entry = null; entryAtEOF = true; } return len; }

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public String getName() { return name; }

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public String[] list(String directory) throws IOException { final FSEntry entry = getEntry(directory); if (entry == null) { throw new FileNotFoundException(directory); } if (!entry.isDirectory()) { throw new IOException("Cannot list on non-directories " + directory); } final ArrayList<String> list = new ArrayList<String>(); for (Iterator<FSEntry> i = entry.getDirectory().iterator(); i.hasNext();) { final FSEntry child = i.next(); final String name = child.getName(); list.add(name); } return list.toArray(new String[list.size()]); }

public String[] list(String directory) throws IOException { final FSEntry entry = getEntry(directory); if (entry == null) { throw new FileNotFoundException(directory); } if (!entry.isDirectory()) { throw new IOException("Cannot list on non-directories " + directory); } final ArrayList<String> list = new ArrayList<String>(); for (Iterator<? extends FSEntry> i = entry.getDirectory().iterator(); i.hasNext();) { final FSEntry child = i.next(); final String name = child.getName(); list.add(name); } return list.toArray(new String[list.size()]); }

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public static DataBuffer createBuffer(int dataType, int size) { return createBuffer(dataType, size, 1); }

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<T> T[] toArray(T[] a);

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public View create(Element elem);

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public Object getValue(String key);

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public Object get(Object key) { // XXX Obey 1.4 specs return super.get(key); }

public Object get(Object key) { // XXX Obey 1.4 specs return this.get (key, getDefaultLocale ()); }

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public Object put(Object key, Object value) { throw new Error("not implemented"); }

public Object put(Object key, Object value) { Object old = super.put (key, value); if (key instanceof String && old != value) firePropertyChange ((String) key, old, value); return old; }

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public Dimension getPreferredSize(JComponent c) { // FIXME: integrate with Scrollable Dimension d = new Dimension(100,100); return d; }

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public void layoutContainer(Container parent) { if (parent instanceof JScrollPane) { JScrollPane sc = (JScrollPane) parent; synchronized (sc.getTreeLock ()) { Rectangle scrollPaneBounds = sc.getBounds(); Dimension viewportSize = new Dimension(0,0); Dimension viewSize = new Dimension(0,0); JViewport viewport = sc.getViewport(); int x1 = 0, x2 = 0, x3 = 0, x4 = 0; int y1 = 0, y2 = 0, y3 = 0, y4 = 0; x1 = scrollPaneBounds.x; y1 = scrollPaneBounds.y; x4 = scrollPaneBounds.x + scrollPaneBounds.width; y4 = scrollPaneBounds.y + scrollPaneBounds.height; if (columnHeader != null) y2 = columnHeader.getPreferredSize().height; else y2 = y1; if (rowHeader != null) x2 = rowHeader.getPreferredSize().width; else x2 = x1; int vsbPolicy = sc.getVerticalScrollBarPolicy(); int hsbPolicy = sc.getHorizontalScrollBarPolicy(); boolean showVsb = (verticalScrollBar != null) && ((vsbPolicy == VERTICAL_SCROLLBAR_ALWAYS) || (vsbPolicy == VERTICAL_SCROLLBAR_AS_NEEDED && viewSize.height > viewportSize.height)); boolean showHsb = (horizontalScrollBar != null) && ((hsbPolicy == HORIZONTAL_SCROLLBAR_ALWAYS) || (hsbPolicy == HORIZONTAL_SCROLLBAR_AS_NEEDED && viewSize.width > viewportSize.width)); if (showVsb) x3 = x4 - verticalScrollBar.getPreferredSize().width; else x3 = x4; if (showHsb) y3 = y4 - horizontalScrollBar.getPreferredSize().height; else y3 = y4; // now set the layout if (viewport != null) viewport.setBounds(new Rectangle(x2, y2, x3-x2, y3-y2)); if (columnHeader != null) columnHeader.setBounds(new Rectangle(x2, y1, x3-x2, y2-y1)); if (rowHeader != null) rowHeader.setBounds(new Rectangle(x1, y2, x2-x1, y3-y2)); if (showVsb) verticalScrollBar.setBounds(new Rectangle(x3, y2, x4-x3, y3-y2)); if (showHsb) horizontalScrollBar.setBounds(new Rectangle(x2, y3, x3-x2, y4-y3)); if (upperLeft != null) upperLeft.setBounds(new Rectangle(x1, y1, x2-x1, y2-y1)); if (upperRight != null) upperRight.setBounds(new Rectangle(x3, y1, x4-x3, y2-y1)); if (lowerLeft != null) lowerLeft.setBounds(new Rectangle(x1, y3, x2-x1, y4-y3)); if (lowerRight != null) lowerRight.setBounds(new Rectangle(x3, y3, x4-x3, y4-y3)); } } }

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public void setSize(int w, int h) { width = w; height = h; }

public void setSize(double w, double h) { width = w; height = h; }

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public void setSize(int w, int h) { width = w; height = h; }

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public Object nextElement() { if(queue.isEmpty()) throw new NoSuchElementException("No more elements left."); TreeNode node = (TreeNode) queue.removeFirst(); Enumeration children = node.children(); while (children.hasMoreElements()) queue.add(children.nextElement()); return node; }

public Object nextElement() { if (queue.isEmpty()) throw new NoSuchElementException("No more elements left."); TreeNode node = (TreeNode) queue.removeFirst(); Enumeration children = node.children(); while (children.hasMoreElements()) queue.add(children.nextElement()); return node; }

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public Object nextElement() { if( nodes.isEmpty() ) throw new NoSuchElementException("No more elements left!"); Enumeration children = (Enumeration) childrenEnums.peek(); return traverse(children); }

public Object nextElement() { if (nodes.isEmpty()) throw new NoSuchElementException("No more elements left!"); Enumeration children = (Enumeration) childrenEnums.peek(); return traverse(children); }

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private Object traverse(Enumeration children) { if ( children.hasMoreElements() ) { TreeNode node = (TreeNode) children.nextElement(); nodes.push(node); Enumeration newChildren = node.children(); childrenEnums.push(newChildren); return traverse(newChildren); } else { childrenEnums.pop(); // Returns the node whose children // have all been visited. (= postorder) Object next = nodes.peek(); nodes.pop(); return next; } }

private Object traverse(Enumeration children) { if (children.hasMoreElements()) { TreeNode node = (TreeNode) children.nextElement(); nodes.push(node); Enumeration newChildren = node.children(); childrenEnums.push(newChildren); return traverse(newChildren); } else { childrenEnums.pop(); // Returns the node whose children // have all been visited. (= postorder) Object next = nodes.peek(); nodes.pop(); return next; } }

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public Object nextElement() { if( next == null ) throw new NoSuchElementException("No more elements left."); Object current = next; Enumeration children = (Enumeration) childrenEnums.peek(); // Retrieves the next element. next = traverse(children); return current; }

public Object nextElement() { if (next == null) throw new NoSuchElementException("No more elements left."); Object current = next; Enumeration children = (Enumeration) childrenEnums.peek(); // Retrieves the next element. next = traverse(children); return current; }

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private TreeNode traverse(Enumeration children) { // If more children are available step down. if( children.hasMoreElements() ) { TreeNode child = (TreeNode) children.nextElement(); childrenEnums.push(child.children()); return child; } // If no children are left, we return to a higher level. childrenEnums.pop(); // If there are no more levels left, there is no next // element to return. if ( childrenEnums.isEmpty() ) return null; else { return traverse((Enumeration) childrenEnums.peek()); } }

private TreeNode traverse(Enumeration children) { // If more children are available step down. if (children.hasMoreElements()) { TreeNode child = (TreeNode) children.nextElement(); childrenEnums.push(child.children()); return child; } // If no children are left, we return to a higher level. childrenEnums.pop(); // If there are no more levels left, there is no next // element to return. if ( childrenEnums.isEmpty() ) return null; else { return traverse((Enumeration) childrenEnums.peek()); } }

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private TreeNode traverse(Enumeration children) { // If more children are available step down. if( children.hasMoreElements() ) { TreeNode child = (TreeNode) children.nextElement(); childrenEnums.push(child.children()); return child; } // If no children are left, we return to a higher level. childrenEnums.pop(); // If there are no more levels left, there is no next // element to return. if ( childrenEnums.isEmpty() ) return null; else { return traverse((Enumeration) childrenEnums.peek()); } }

private TreeNode traverse(Enumeration children) { // If more children are available step down. if( children.hasMoreElements() ) { TreeNode child = (TreeNode) children.nextElement(); childrenEnums.push(child.children()); return child; } // If no children are left, we return to a higher level. childrenEnums.pop(); // If there are no more levels left, there is no next // element to return. if (childrenEnums.isEmpty()) return null; else { return traverse((Enumeration) childrenEnums.peek()); } }

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public boolean isNodeSibling(TreeNode node) { if (node == null) return false; if (node == this) return true; return (node.getParent() == getParent() && getParent() != null); }

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public KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar) { this(source, id, when, modifiers, keyCode, keyChar, KEY_LOCATION_UNKNOWN); }

public KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar, int keyLocation) { this(source, id, when, modifiers, keyCode, keyChar, KEY_LOCATION_UNKNOWN); }

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public KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar) { this(source, id, when, modifiers, keyCode, keyChar, KEY_LOCATION_UNKNOWN); }

public KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar) { super(source, id, when, modifiers); this.keyCode = keyCode; this.keyChar = keyChar; this.keyLocation = keyLocation; if ((id == KEY_TYPED && (keyCode != VK_UNDEFINED || keyChar == CHAR_UNDEFINED)) || keyLocation < KEY_LOCATION_UNKNOWN || keyLocation > KEY_LOCATION_NUMPAD) throw new IllegalArgumentException(); }

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public Windows1251() { super("Windows-1251", new String[] { "Windows1251", "cp1251", "cp-1251", "cp_1251", "windows1251", "windows_1251" }); lookupTable = lookup; }

14,979

public void emitMagic(EmitterContext ec, VmMethod method, boolean isstatic, X86BytecodeVisitor bcv, VmMethod caller) { //final int type = getClass(method); final MagicMethod mcode = MagicMethod.get(method); final VirtualStack vstack = ec.getVStack(); final X86Assembler os = ec.getStream(); final ItemFactory ifac = ec.getItemFactory(); final X86RegisterPool pool = ec.getGPRPool();// final EntryPoints context = ec.getContext(); final X86CompilerHelper helper = ec.getHelper(); final int slotSize = os.isCode32() ? 4 : 8; // Test magic permission first testMagicPermission(mcode, caller); switch (mcode) { case ADD: { // addr + ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeADD(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case AND: { // addr & ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeAND(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case OR: { // addr | ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case SUB: case DIFF: { // addr - ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeSUB(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case XOR: { // addr ^ ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeXOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case NOT: { // !addr if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); os.writeNOT(addr.getRegister()); vstack.push(addr); } break; case TOINT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); X86Register r = addr.getRegister(); if (os.isCode64()) { r = pool.getRegisterInSameGroup(r, JvmType.INT); // We just take the lower 32-bit, so no actual mov's needed. } addr.release(ec); L1AHelper.requestRegister(ec, r); final IntItem result = (IntItem) ifac.createReg(ec, JvmType.INT, r); pool.transferOwnerTo(r, result); vstack.push(result); } break; case TOWORD: case TOADDRESS: case TOOFFSET: case TOOBJECT: case TOOBJECTREFERENCE: case TOEXTENT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); vstack.push(addr); } break; case TOLONG: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); addr.release(ec); L1AHelper.requestRegister(ec, r); final LongItem result; if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); result = (LongItem) ifac.createReg(ec, JvmType.LONG, r, msb); os.writeXOR(msb, msb); pool.transferOwnerTo(msb, result); } else { result = (LongItem) ifac.createReg(ec, JvmType.LONG, (GPR64)r); } pool.transferOwnerTo(r, result); vstack.push(result); } break; case MAX: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, -1); vstack.push(result); } break; case ONE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, 1); vstack.push(result); } break; case ZERO: case NULLREFERENCE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = ifac.createAConst(ec, null); vstack.push(result); } break; case SIZE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem result = ifac.createIConst(ec, slotSize); vstack.push(result); break; } case ISMAX: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP_Const(addrr, -1); os.writeSETCC(resultr, X86Constants.JE); addr.release(ec); vstack.push(result); } break; case ISZERO: case ISNULL: { // Just convert to int if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeTEST(addrr, addrr); os.writeSETCC(resultr, X86Constants.JZ); addr.release(ec); vstack.push(result); } break; case EQUALS: case EQ: case NE: case LT: case LE: case GE: case GT: case SLT: case SLE: case SGE: case SGT: { // addr .. other if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem other = vstack.popRef(); final RefItem addr = vstack.popRef(); other.load(ec); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP(addr.getRegister(), other.getRegister()); os.writeSETCC(resultr, methodToCC(mcode)); other.release(ec); addr.release(ec); vstack.push(result); } break; case FROMINT: case FROMINTSIGNEXTEND: case FROMINTZEROEXTEND: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem addr = vstack.popInt(); addr.load(ec); GPR r = addr.getRegister(); if (os.isCode64()) { final GPR64 newR = (GPR64)pool.getRegisterInSameGroup(r, JvmType.REFERENCE); if (mcode == FROMINTZEROEXTEND) { // Moving the register to itself in 32-bit mode, will // zero extend the top 32-bits. os.writeMOV(BITS32, r, r); } else { // Sign extend os.writeMOVSXD(newR, (GPR32)r); } r = newR; } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case FROMADDRESS: case FROMOBJECT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); // Do nothing vstack.push(obj); } break; case FROMLONG: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final LongItem addr = vstack.popLong(); addr.load(ec); final X86Register r; if (os.isCode32()) { r = addr.getLsbRegister(ec); } else { r = addr.getRegister(ec); } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case LSH: case RSHA: case RSHL: { // addr shift cnt if (Vm.VerifyAssertions) Vm._assert(!isstatic); final GPR ECX = X86Register.ECX; final IntItem cnt = vstack.popInt(); final RefItem addr = vstack.popRef(); if (!cnt.isConstant() && !cnt.uses(ECX)) { addr.spillIfUsing(ec, ECX); L1AHelper.requestRegister(ec, ECX); cnt.loadTo(ec, ECX); } addr.load(ec); final int shift = methodToShift(mcode); if (cnt.isConstant()) { os.writeShift(shift, addr.getRegister(), cnt.getValue()); } else { os.writeShift_CL(shift, addr.getRegister()); } cnt.release(ec); vstack.push(addr); } break; case LOADBYTE: case LOADCHAR: case LOADSHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.loadToBITS8GPR(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } addr.release(ec); vstack.push(result); } break; case LOADINT: case LOADFLOAT: case LOADADDRESS: case LOADOBJECTREFERENCE: case LOADWORD: case PREPAREINT: case PREPAREADDRESS: case PREPAREOBJECTREFERENCE: case PREPAREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, 0); addr.release(ec); vstack.push(result); } break; case LOADLONG: case LOADDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); addr.release(ec); L1AHelper.releaseRegister(ec, msb); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, X86CompilerConstants.LSB); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, 0); addr.release(ec); vstack.push(result); } } break; case LOADBYTE_OFS: case LOADCHAR_OFS: case LOADSHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR_OFS) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADINT_OFS: case LOADFLOAT_OFS: case LOADADDRESS_OFS: case LOADOBJECTREFERENCE_OFS: case LOADWORD_OFS: case PREPAREINT_OFS: case PREPAREADDRESS_OFS: case PREPAREOBJECTREFERENCE_OFS: case PREPAREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, ofsr, 1, 0); ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADLONG_OFS: case LOADDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR msb = (GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, ofsr, 1, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, ofsr, 1, X86CompilerConstants.LSB); ofs.release(ec); addr.release(ec); L1AHelper.releaseRegister(ec, msb); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, ofsr, 1, 0); addr.release(ec); ofs.release(ec); vstack.push(result); } } break; case STOREBYTE: case STORECHAR: case STORESHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, 0, valr); val.release(ec); addr.release(ec); } break; case STOREINT: case STOREFLOAT: case STOREADDRESS: case STOREOBJECTREFERENCE: case STOREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, 0, valr); val.release(ec); addr.release(ec); } break; case STORELONG: case STOREDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, 0, valr); } val.release(ec); addr.release(ec); } break; case STOREBYTE_OFS: case STORECHAR_OFS: case STORESHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STOREINT_OFS: case STOREFLOAT_OFS: case STOREADDRESS_OFS: case STOREOBJECTREFERENCE_OFS: case STOREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STORELONG_OFS: case STOREDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, ofsr, 1, 0, valr); } ofs.release(ec); val.release(ec); addr.release(ec); } break; case ATTEMPTINT: case ATTEMPTADDRESS: case ATTEMPTOBJECTREFERENCE: case ATTEMPTWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); val.load(ec); old.loadTo(ec, aax); } else { val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); val.release(ec); old.release(ec); addr.release(ec); vstack.push(result); } break; case ATTEMPTINT_OFS: case ATTEMPTADDRESS_OFS: case ATTEMPTOBJECTREFERENCE_OFS: case ATTEMPTWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); ofs.load(ec); val.load(ec); old.loadTo(ec, aax); } else { ofs.load(ec); val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); final GPR ofsr = ofs.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); ofs.release(ec); val.release(ec); old.release(ec); addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.INT, resultr)); } break; case GETOBJECTTYPE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final RefItem result = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR resultr = result.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); // Get VmType os.writeMOV(helper.ADDRSIZE, resultr, r, (TIBLayout.VMTYPE_INDEX + VmArray.DATA_OFFSET) * slotSize); obj.release(ec); vstack.push(result); } break; case GETTIB: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); vstack.push(obj); } break; case GETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get flags os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.FLAGS_SLOT * slotSize); obj.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case SETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem flags = vstack.popRef(); final RefItem obj = vstack.popRef(); flags.load(ec); obj.load(ec); final GPR flagsr = flags.getRegister(); final GPR r = obj.getRegister(); // Set flags os.writeMOV(helper.ADDRSIZE, r, ObjectLayout.FLAGS_SLOT * slotSize, flagsr); flags.release(ec); obj.release(ec); } break; case GETARRAYDATA: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); os.writeADD(r, VmArray.DATA_OFFSET * slotSize); vstack.push(obj); } break; case GETOBJECTCOLOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.GC_COLOUR_MASK); obj.release(ec); vstack.push(result); } break; case ISFINALIZED: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.STATUS_FINALIZED); obj.release(ec); vstack.push(result); } break; case ATOMICADD: case ATOMICAND: case ATOMICOR: case ATOMICSUB: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem value = vstack.popRef(); final RefItem addr = vstack.popRef(); value.load(ec); addr.load(ec); final X86Register.GPR valuer = (X86Register.GPR)value.getRegister(); final X86Register.GPR r = (X86Register.GPR)addr.getRegister(); os.writePrefix(X86Constants.LOCK_PREFIX); os.writeArithOp(methodCodeToOperation(mcode), r, 0, valuer); value.release(ec); addr.release(ec); } break; case GETCURRENTFRAME: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem result = L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV(helper.ADDRSIZE, r, helper.BP); vstack.push(result); } break; case GETTIMESTAMP: { if (Vm.VerifyAssertions) Vm._assert(isstatic); if (os.isCode32()) { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, JvmType.LONG, X86Register.EAX, X86Register.EDX); os.writeRDTSC(); vstack.push(result); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegister(ec, JvmType.LONG, X86Register.RAX); L1AHelper.requestRegister(ec, X86Register.RDX); os.writeRDTSC(); // Move MSB to upper 32-bit of RDX os.writeSHL(X86Register.RDX, 32); // RAX is zero extended by RDTSC, so an OR of RAX,RDX will combine // the upper 32-bits of RDX and the lower 32-bits of RAX. os.writeOR(X86Register.RAX, X86Register.RDX); // Now free RDX L1AHelper.releaseRegister(ec, X86Register.RDX); vstack.push(result); } } break; case INTBITSTOFLOAT: case FLOATTORAWINTBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem v = (WordItem)vstack.pop(); v.load(ec); final X86Register.GPR r = v.getRegister(); v.release(ec); final int resultType = (mcode == INTBITSTOFLOAT) ? JvmType.FLOAT : JvmType.INT; vstack.push(L1AHelper.requestWordRegister(ec, resultType, r)); } break; case LONGBITSTODOUBLE: case DOUBLETORAWLONGBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final DoubleWordItem v = (DoubleWordItem)vstack.pop(); v.load(ec); final int resultType = (mcode == LONGBITSTODOUBLE) ? JvmType.DOUBLE : JvmType.LONG; if (os.isCode32()) { final X86Register.GPR lsb = v.getLsbRegister(ec); final X86Register.GPR msb = v.getMsbRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, resultType, lsb, msb)); } else { final GPR64 vreg = v.getRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegister(ec, resultType, vreg)); } } break; case BREAKPOINT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); os.writeINT(3); } break; case CURRENTPROCESSOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final int offset = ec.getContext().getVmProcessorMeField().getOffset(); if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(item.getRegister(), offset); } else { os.writeMOV(BITS64, item.getRegister(), X86Register.R12, offset); } vstack.push(item); } break; case GETSHAREDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorSharedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } os.writeLEA(itemReg, itemReg, index.getRegister(), os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case GETISOLATEDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorIsolatedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } os.writeLEA(itemReg, itemReg, index.getRegister(), os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case ISRUNNINGJNODE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); vstack.push(ifac.createIConst(ec, 1)); } break; // xyzArray classes case ARR_CREATE: { if (os.isCode32()) { bcv.visit_newarray(10); // int[] } else { bcv.visit_newarray(11); // long[] } } break; case ARR_GET: { bcv.waload(JvmType.REFERENCE); } break; case ARR_SET: { bcv.wastore(JvmType.REFERENCE); } break; case ARR_LENGTH: { bcv.visit_arraylength(); } break; default: throw new InternalError("Unknown method code for method " + method); } }

public void emitMagic(EmitterContext ec, VmMethod method, boolean isstatic, X86BytecodeVisitor bcv, VmMethod caller) { //final int type = getClass(method); final MagicMethod mcode = MagicMethod.get(method); final VirtualStack vstack = ec.getVStack(); final X86Assembler os = ec.getStream(); final ItemFactory ifac = ec.getItemFactory(); final X86RegisterPool pool = ec.getGPRPool();// final EntryPoints context = ec.getContext(); final X86CompilerHelper helper = ec.getHelper(); final int slotSize = os.isCode32() ? 4 : 8; // Test magic permission first testMagicPermission(mcode, caller); switch (mcode) { case ADD: { // addr + ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeADD(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case AND: { // addr & ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeAND(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case OR: { // addr | ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case SUB: case DIFF: { // addr - ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeSUB(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case XOR: { // addr ^ ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeXOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case NOT: { // !addr if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); os.writeNOT(addr.getRegister()); vstack.push(addr); } break; case TOINT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); X86Register r = addr.getRegister(); if (os.isCode64()) { r = pool.getRegisterInSameGroup(r, JvmType.INT); // We just take the lower 32-bit, so no actual mov's needed. } addr.release(ec); L1AHelper.requestRegister(ec, r); final IntItem result = (IntItem) ifac.createReg(ec, JvmType.INT, r); pool.transferOwnerTo(r, result); vstack.push(result); } break; case TOWORD: case TOADDRESS: case TOOFFSET: case TOOBJECT: case TOOBJECTREFERENCE: case TOEXTENT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); vstack.push(addr); } break; case TOLONG: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); addr.release(ec); L1AHelper.requestRegister(ec, r); final LongItem result; if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); result = (LongItem) ifac.createReg(ec, JvmType.LONG, r, msb); os.writeXOR(msb, msb); pool.transferOwnerTo(msb, result); } else { result = (LongItem) ifac.createReg(ec, JvmType.LONG, (GPR64)r); } pool.transferOwnerTo(r, result); vstack.push(result); } break; case MAX: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, -1); vstack.push(result); } break; case ONE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, 1); vstack.push(result); } break; case ZERO: case NULLREFERENCE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = ifac.createAConst(ec, null); vstack.push(result); } break; case SIZE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem result = ifac.createIConst(ec, slotSize); vstack.push(result); break; } case ISMAX: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP_Const(addrr, -1); os.writeSETCC(resultr, X86Constants.JE); addr.release(ec); vstack.push(result); } break; case ISZERO: case ISNULL: { // Just convert to int if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeTEST(addrr, addrr); os.writeSETCC(resultr, X86Constants.JZ); addr.release(ec); vstack.push(result); } break; case EQUALS: case EQ: case NE: case LT: case LE: case GE: case GT: case SLT: case SLE: case SGE: case SGT: { // addr .. other if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem other = vstack.popRef(); final RefItem addr = vstack.popRef(); other.load(ec); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP(addr.getRegister(), other.getRegister()); os.writeSETCC(resultr, methodToCC(mcode)); other.release(ec); addr.release(ec); vstack.push(result); } break; case FROMINT: case FROMINTSIGNEXTEND: case FROMINTZEROEXTEND: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem addr = vstack.popInt(); addr.load(ec); GPR r = addr.getRegister(); if (os.isCode64()) { final GPR64 newR = (GPR64)pool.getRegisterInSameGroup(r, JvmType.REFERENCE); if (mcode == FROMINTZEROEXTEND) { // Moving the register to itself in 32-bit mode, will // zero extend the top 32-bits. os.writeMOV(BITS32, r, r); } else { // Sign extend os.writeMOVSXD(newR, (GPR32)r); } r = newR; } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case FROMADDRESS: case FROMOBJECT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); // Do nothing vstack.push(obj); } break; case FROMLONG: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final LongItem addr = vstack.popLong(); addr.load(ec); final X86Register r; if (os.isCode32()) { r = addr.getLsbRegister(ec); } else { r = addr.getRegister(ec); } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case LSH: case RSHA: case RSHL: { // addr shift cnt if (Vm.VerifyAssertions) Vm._assert(!isstatic); final GPR ECX = X86Register.ECX; final IntItem cnt = vstack.popInt(); final RefItem addr = vstack.popRef(); if (!cnt.isConstant() && !cnt.uses(ECX)) { addr.spillIfUsing(ec, ECX); L1AHelper.requestRegister(ec, ECX); cnt.loadTo(ec, ECX); } addr.load(ec); final int shift = methodToShift(mcode); if (cnt.isConstant()) { os.writeShift(shift, addr.getRegister(), cnt.getValue()); } else { os.writeShift_CL(shift, addr.getRegister()); } cnt.release(ec); vstack.push(addr); } break; case LOADBYTE: case LOADCHAR: case LOADSHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.loadToBITS8GPR(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } addr.release(ec); vstack.push(result); } break; case LOADINT: case LOADFLOAT: case LOADADDRESS: case LOADOBJECTREFERENCE: case LOADWORD: case PREPAREINT: case PREPAREADDRESS: case PREPAREOBJECTREFERENCE: case PREPAREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, 0); addr.release(ec); vstack.push(result); } break; case LOADLONG: case LOADDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); addr.release(ec); L1AHelper.releaseRegister(ec, msb); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, X86CompilerConstants.LSB); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, 0); addr.release(ec); vstack.push(result); } } break; case LOADBYTE_OFS: case LOADCHAR_OFS: case LOADSHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR_OFS) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADINT_OFS: case LOADFLOAT_OFS: case LOADADDRESS_OFS: case LOADOBJECTREFERENCE_OFS: case LOADWORD_OFS: case PREPAREINT_OFS: case PREPAREADDRESS_OFS: case PREPAREOBJECTREFERENCE_OFS: case PREPAREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, ofsr, 1, 0); ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADLONG_OFS: case LOADDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR msb = (GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, ofsr, 1, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, ofsr, 1, X86CompilerConstants.LSB); ofs.release(ec); addr.release(ec); L1AHelper.releaseRegister(ec, msb); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, ofsr, 1, 0); addr.release(ec); ofs.release(ec); vstack.push(result); } } break; case STOREBYTE: case STORECHAR: case STORESHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, 0, valr); val.release(ec); addr.release(ec); } break; case STOREINT: case STOREFLOAT: case STOREADDRESS: case STOREOBJECTREFERENCE: case STOREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, 0, valr); val.release(ec); addr.release(ec); } break; case STORELONG: case STOREDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, 0, valr); } val.release(ec); addr.release(ec); } break; case STOREBYTE_OFS: case STORECHAR_OFS: case STORESHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STOREINT_OFS: case STOREFLOAT_OFS: case STOREADDRESS_OFS: case STOREOBJECTREFERENCE_OFS: case STOREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STORELONG_OFS: case STOREDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, ofsr, 1, 0, valr); } ofs.release(ec); val.release(ec); addr.release(ec); } break; case ATTEMPTINT: case ATTEMPTADDRESS: case ATTEMPTOBJECTREFERENCE: case ATTEMPTWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); val.load(ec); old.loadTo(ec, aax); } else { val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); val.release(ec); old.release(ec); addr.release(ec); vstack.push(result); } break; case ATTEMPTINT_OFS: case ATTEMPTADDRESS_OFS: case ATTEMPTOBJECTREFERENCE_OFS: case ATTEMPTWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); ofs.load(ec); val.load(ec); old.loadTo(ec, aax); } else { ofs.load(ec); val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); final GPR ofsr = ofs.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); ofs.release(ec); val.release(ec); old.release(ec); addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.INT, resultr)); } break; case GETOBJECTTYPE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final RefItem result = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR resultr = result.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); // Get VmType os.writeMOV(helper.ADDRSIZE, resultr, r, (TIBLayout.VMTYPE_INDEX + VmArray.DATA_OFFSET) * slotSize); obj.release(ec); vstack.push(result); } break; case GETTIB: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); vstack.push(obj); } break; case GETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get flags os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.FLAGS_SLOT * slotSize); obj.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case SETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem flags = vstack.popRef(); final RefItem obj = vstack.popRef(); flags.load(ec); obj.load(ec); final GPR flagsr = flags.getRegister(); final GPR r = obj.getRegister(); // Set flags os.writeMOV(helper.ADDRSIZE, r, ObjectLayout.FLAGS_SLOT * slotSize, flagsr); flags.release(ec); obj.release(ec); } break; case GETARRAYDATA: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); os.writeADD(r, VmArray.DATA_OFFSET * slotSize); vstack.push(obj); } break; case GETOBJECTCOLOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.GC_COLOUR_MASK); obj.release(ec); vstack.push(result); } break; case ISFINALIZED: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.STATUS_FINALIZED); obj.release(ec); vstack.push(result); } break; case ATOMICADD: case ATOMICAND: case ATOMICOR: case ATOMICSUB: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem value = vstack.popRef(); final RefItem addr = vstack.popRef(); value.load(ec); addr.load(ec); final X86Register.GPR valuer = (X86Register.GPR)value.getRegister(); final X86Register.GPR r = (X86Register.GPR)addr.getRegister(); os.writePrefix(X86Constants.LOCK_PREFIX); os.writeArithOp(methodCodeToOperation(mcode), r, 0, valuer); value.release(ec); addr.release(ec); } break; case GETCURRENTFRAME: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem result = L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV(helper.ADDRSIZE, r, helper.BP); vstack.push(result); } break; case GETTIMESTAMP: { if (Vm.VerifyAssertions) Vm._assert(isstatic); if (os.isCode32()) { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, JvmType.LONG, X86Register.EAX, X86Register.EDX); os.writeRDTSC(); vstack.push(result); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegister(ec, JvmType.LONG, X86Register.RAX); L1AHelper.requestRegister(ec, X86Register.RDX); os.writeRDTSC(); // Move MSB to upper 32-bit of RDX os.writeSHL(X86Register.RDX, 32); // RAX is zero extended by RDTSC, so an OR of RAX,RDX will combine // the upper 32-bits of RDX and the lower 32-bits of RAX. os.writeOR(X86Register.RAX, X86Register.RDX); // Now free RDX L1AHelper.releaseRegister(ec, X86Register.RDX); vstack.push(result); } } break; case INTBITSTOFLOAT: case FLOATTORAWINTBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem v = (WordItem)vstack.pop(); v.load(ec); final X86Register.GPR r = v.getRegister(); v.release(ec); final int resultType = (mcode == INTBITSTOFLOAT) ? JvmType.FLOAT : JvmType.INT; vstack.push(L1AHelper.requestWordRegister(ec, resultType, r)); } break; case LONGBITSTODOUBLE: case DOUBLETORAWLONGBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final DoubleWordItem v = (DoubleWordItem)vstack.pop(); v.load(ec); final int resultType = (mcode == LONGBITSTODOUBLE) ? JvmType.DOUBLE : JvmType.LONG; if (os.isCode32()) { final X86Register.GPR lsb = v.getLsbRegister(ec); final X86Register.GPR msb = v.getMsbRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, resultType, lsb, msb)); } else { final GPR64 vreg = v.getRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegister(ec, resultType, vreg)); } } break; case BREAKPOINT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); os.writeINT(3); } break; case CURRENTPROCESSOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final int offset = ec.getContext().getVmProcessorMeField().getOffset(); if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(item.getRegister(), offset); } else { os.writeMOV(BITS64, item.getRegister(), X86Register.R12, offset); } vstack.push(item); } break; case GETSHAREDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorSharedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } GPR indexReg = index.getRegister(); if (os.isCode64()) { GPR64 indexReg64 = L1AHelper.get64BitReg(ec, indexReg); os.writeMOVSXD(indexReg64, (GPR32)indexReg); indexReg = indexReg64; } os.writeLEA(itemReg, itemReg, indexReg, os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case GETISOLATEDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorIsolatedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } GPR indexReg = index.getRegister(); if (os.isCode64()) { GPR64 indexReg64 = L1AHelper.get64BitReg(ec, indexReg); os.writeMOVSXD(indexReg64, (GPR32)indexReg); indexReg = indexReg64; } os.writeLEA(itemReg, itemReg, indexReg, os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case ISRUNNINGJNODE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); vstack.push(ifac.createIConst(ec, 1)); } break; // xyzArray classes case ARR_CREATE: { if (os.isCode32()) { bcv.visit_newarray(10); // int[] } else { bcv.visit_newarray(11); // long[] } } break; case ARR_GET: { bcv.waload(JvmType.REFERENCE); } break; case ARR_SET: { bcv.wastore(JvmType.REFERENCE); } break; case ARR_LENGTH: { bcv.visit_arraylength(); } break; default: throw new InternalError("Unknown method code for method " + method); } }

14,980

public void emitMagic(EmitterContext ec, VmMethod method, boolean isstatic, X86BytecodeVisitor bcv, VmMethod caller) { //final int type = getClass(method); final MagicMethod mcode = MagicMethod.get(method); final VirtualStack vstack = ec.getVStack(); final X86Assembler os = ec.getStream(); final ItemFactory ifac = ec.getItemFactory(); final X86RegisterPool pool = ec.getGPRPool();// final EntryPoints context = ec.getContext(); final X86CompilerHelper helper = ec.getHelper(); final int slotSize = os.isCode32() ? 4 : 8; // Test magic permission first testMagicPermission(mcode, caller); switch (mcode) { case ADD: { // addr + ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeADD(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case AND: { // addr & ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeAND(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case OR: { // addr | ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case SUB: case DIFF: { // addr - ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeSUB(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case XOR: { // addr ^ ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeXOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case NOT: { // !addr if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); os.writeNOT(addr.getRegister()); vstack.push(addr); } break; case TOINT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); X86Register r = addr.getRegister(); if (os.isCode64()) { r = pool.getRegisterInSameGroup(r, JvmType.INT); // We just take the lower 32-bit, so no actual mov's needed. } addr.release(ec); L1AHelper.requestRegister(ec, r); final IntItem result = (IntItem) ifac.createReg(ec, JvmType.INT, r); pool.transferOwnerTo(r, result); vstack.push(result); } break; case TOWORD: case TOADDRESS: case TOOFFSET: case TOOBJECT: case TOOBJECTREFERENCE: case TOEXTENT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); vstack.push(addr); } break; case TOLONG: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); addr.release(ec); L1AHelper.requestRegister(ec, r); final LongItem result; if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); result = (LongItem) ifac.createReg(ec, JvmType.LONG, r, msb); os.writeXOR(msb, msb); pool.transferOwnerTo(msb, result); } else { result = (LongItem) ifac.createReg(ec, JvmType.LONG, (GPR64)r); } pool.transferOwnerTo(r, result); vstack.push(result); } break; case MAX: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, -1); vstack.push(result); } break; case ONE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, 1); vstack.push(result); } break; case ZERO: case NULLREFERENCE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = ifac.createAConst(ec, null); vstack.push(result); } break; case SIZE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem result = ifac.createIConst(ec, slotSize); vstack.push(result); break; } case ISMAX: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP_Const(addrr, -1); os.writeSETCC(resultr, X86Constants.JE); addr.release(ec); vstack.push(result); } break; case ISZERO: case ISNULL: { // Just convert to int if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeTEST(addrr, addrr); os.writeSETCC(resultr, X86Constants.JZ); addr.release(ec); vstack.push(result); } break; case EQUALS: case EQ: case NE: case LT: case LE: case GE: case GT: case SLT: case SLE: case SGE: case SGT: { // addr .. other if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem other = vstack.popRef(); final RefItem addr = vstack.popRef(); other.load(ec); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP(addr.getRegister(), other.getRegister()); os.writeSETCC(resultr, methodToCC(mcode)); other.release(ec); addr.release(ec); vstack.push(result); } break; case FROMINT: case FROMINTSIGNEXTEND: case FROMINTZEROEXTEND: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem addr = vstack.popInt(); addr.load(ec); GPR r = addr.getRegister(); if (os.isCode64()) { final GPR64 newR = (GPR64)pool.getRegisterInSameGroup(r, JvmType.REFERENCE); if (mcode == FROMINTZEROEXTEND) { // Moving the register to itself in 32-bit mode, will // zero extend the top 32-bits. os.writeMOV(BITS32, r, r); } else { // Sign extend os.writeMOVSXD(newR, (GPR32)r); } r = newR; } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case FROMADDRESS: case FROMOBJECT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); // Do nothing vstack.push(obj); } break; case FROMLONG: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final LongItem addr = vstack.popLong(); addr.load(ec); final X86Register r; if (os.isCode32()) { r = addr.getLsbRegister(ec); } else { r = addr.getRegister(ec); } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case LSH: case RSHA: case RSHL: { // addr shift cnt if (Vm.VerifyAssertions) Vm._assert(!isstatic); final GPR ECX = X86Register.ECX; final IntItem cnt = vstack.popInt(); final RefItem addr = vstack.popRef(); if (!cnt.isConstant() && !cnt.uses(ECX)) { addr.spillIfUsing(ec, ECX); L1AHelper.requestRegister(ec, ECX); cnt.loadTo(ec, ECX); } addr.load(ec); final int shift = methodToShift(mcode); if (cnt.isConstant()) { os.writeShift(shift, addr.getRegister(), cnt.getValue()); } else { os.writeShift_CL(shift, addr.getRegister()); } cnt.release(ec); vstack.push(addr); } break; case LOADBYTE: case LOADCHAR: case LOADSHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.loadToBITS8GPR(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } addr.release(ec); vstack.push(result); } break; case LOADINT: case LOADFLOAT: case LOADADDRESS: case LOADOBJECTREFERENCE: case LOADWORD: case PREPAREINT: case PREPAREADDRESS: case PREPAREOBJECTREFERENCE: case PREPAREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, 0); addr.release(ec); vstack.push(result); } break; case LOADLONG: case LOADDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); addr.release(ec); L1AHelper.releaseRegister(ec, msb); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, X86CompilerConstants.LSB); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, 0); addr.release(ec); vstack.push(result); } } break; case LOADBYTE_OFS: case LOADCHAR_OFS: case LOADSHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR_OFS) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADINT_OFS: case LOADFLOAT_OFS: case LOADADDRESS_OFS: case LOADOBJECTREFERENCE_OFS: case LOADWORD_OFS: case PREPAREINT_OFS: case PREPAREADDRESS_OFS: case PREPAREOBJECTREFERENCE_OFS: case PREPAREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, ofsr, 1, 0); ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADLONG_OFS: case LOADDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR msb = (GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, ofsr, 1, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, ofsr, 1, X86CompilerConstants.LSB); ofs.release(ec); addr.release(ec); L1AHelper.releaseRegister(ec, msb); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, ofsr, 1, 0); addr.release(ec); ofs.release(ec); vstack.push(result); } } break; case STOREBYTE: case STORECHAR: case STORESHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, 0, valr); val.release(ec); addr.release(ec); } break; case STOREINT: case STOREFLOAT: case STOREADDRESS: case STOREOBJECTREFERENCE: case STOREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, 0, valr); val.release(ec); addr.release(ec); } break; case STORELONG: case STOREDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, 0, valr); } val.release(ec); addr.release(ec); } break; case STOREBYTE_OFS: case STORECHAR_OFS: case STORESHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STOREINT_OFS: case STOREFLOAT_OFS: case STOREADDRESS_OFS: case STOREOBJECTREFERENCE_OFS: case STOREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STORELONG_OFS: case STOREDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, ofsr, 1, 0, valr); } ofs.release(ec); val.release(ec); addr.release(ec); } break; case ATTEMPTINT: case ATTEMPTADDRESS: case ATTEMPTOBJECTREFERENCE: case ATTEMPTWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); val.load(ec); old.loadTo(ec, aax); } else { val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); val.release(ec); old.release(ec); addr.release(ec); vstack.push(result); } break; case ATTEMPTINT_OFS: case ATTEMPTADDRESS_OFS: case ATTEMPTOBJECTREFERENCE_OFS: case ATTEMPTWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); ofs.load(ec); val.load(ec); old.loadTo(ec, aax); } else { ofs.load(ec); val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); final GPR ofsr = ofs.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); ofs.release(ec); val.release(ec); old.release(ec); addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.INT, resultr)); } break; case GETOBJECTTYPE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final RefItem result = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR resultr = result.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); // Get VmType os.writeMOV(helper.ADDRSIZE, resultr, r, (TIBLayout.VMTYPE_INDEX + VmArray.DATA_OFFSET) * slotSize); obj.release(ec); vstack.push(result); } break; case GETTIB: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); vstack.push(obj); } break; case GETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get flags os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.FLAGS_SLOT * slotSize); obj.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case SETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem flags = vstack.popRef(); final RefItem obj = vstack.popRef(); flags.load(ec); obj.load(ec); final GPR flagsr = flags.getRegister(); final GPR r = obj.getRegister(); // Set flags os.writeMOV(helper.ADDRSIZE, r, ObjectLayout.FLAGS_SLOT * slotSize, flagsr); flags.release(ec); obj.release(ec); } break; case GETARRAYDATA: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); os.writeADD(r, VmArray.DATA_OFFSET * slotSize); vstack.push(obj); } break; case GETOBJECTCOLOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.GC_COLOUR_MASK); obj.release(ec); vstack.push(result); } break; case ISFINALIZED: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.STATUS_FINALIZED); obj.release(ec); vstack.push(result); } break; case ATOMICADD: case ATOMICAND: case ATOMICOR: case ATOMICSUB: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem value = vstack.popRef(); final RefItem addr = vstack.popRef(); value.load(ec); addr.load(ec); final X86Register.GPR valuer = (X86Register.GPR)value.getRegister(); final X86Register.GPR r = (X86Register.GPR)addr.getRegister(); os.writePrefix(X86Constants.LOCK_PREFIX); os.writeArithOp(methodCodeToOperation(mcode), r, 0, valuer); value.release(ec); addr.release(ec); } break; case GETCURRENTFRAME: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem result = L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV(helper.ADDRSIZE, r, helper.BP); vstack.push(result); } break; case GETTIMESTAMP: { if (Vm.VerifyAssertions) Vm._assert(isstatic); if (os.isCode32()) { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, JvmType.LONG, X86Register.EAX, X86Register.EDX); os.writeRDTSC(); vstack.push(result); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegister(ec, JvmType.LONG, X86Register.RAX); L1AHelper.requestRegister(ec, X86Register.RDX); os.writeRDTSC(); // Move MSB to upper 32-bit of RDX os.writeSHL(X86Register.RDX, 32); // RAX is zero extended by RDTSC, so an OR of RAX,RDX will combine // the upper 32-bits of RDX and the lower 32-bits of RAX. os.writeOR(X86Register.RAX, X86Register.RDX); // Now free RDX L1AHelper.releaseRegister(ec, X86Register.RDX); vstack.push(result); } } break; case INTBITSTOFLOAT: case FLOATTORAWINTBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem v = (WordItem)vstack.pop(); v.load(ec); final X86Register.GPR r = v.getRegister(); v.release(ec); final int resultType = (mcode == INTBITSTOFLOAT) ? JvmType.FLOAT : JvmType.INT; vstack.push(L1AHelper.requestWordRegister(ec, resultType, r)); } break; case LONGBITSTODOUBLE: case DOUBLETORAWLONGBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final DoubleWordItem v = (DoubleWordItem)vstack.pop(); v.load(ec); final int resultType = (mcode == LONGBITSTODOUBLE) ? JvmType.DOUBLE : JvmType.LONG; if (os.isCode32()) { final X86Register.GPR lsb = v.getLsbRegister(ec); final X86Register.GPR msb = v.getMsbRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, resultType, lsb, msb)); } else { final GPR64 vreg = v.getRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegister(ec, resultType, vreg)); } } break; case BREAKPOINT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); os.writeINT(3); } break; case CURRENTPROCESSOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final int offset = ec.getContext().getVmProcessorMeField().getOffset(); if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(item.getRegister(), offset); } else { os.writeMOV(BITS64, item.getRegister(), X86Register.R12, offset); } vstack.push(item); } break; case GETSHAREDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorSharedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } os.writeLEA(itemReg, itemReg, index.getRegister(), os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case GETISOLATEDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorIsolatedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } os.writeLEA(itemReg, itemReg, index.getRegister(), os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case ISRUNNINGJNODE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); vstack.push(ifac.createIConst(ec, 1)); } break; // xyzArray classes case ARR_CREATE: { if (os.isCode32()) { bcv.visit_newarray(10); // int[] } else { bcv.visit_newarray(11); // long[] } } break; case ARR_GET: { bcv.waload(JvmType.REFERENCE); } break; case ARR_SET: { bcv.wastore(JvmType.REFERENCE); } break; case ARR_LENGTH: { bcv.visit_arraylength(); } break; default: throw new InternalError("Unknown method code for method " + method); } }

public void emitMagic(EmitterContext ec, VmMethod method, boolean isstatic, X86BytecodeVisitor bcv, VmMethod caller) { //final int type = getClass(method); final MagicMethod mcode = MagicMethod.get(method); final VirtualStack vstack = ec.getVStack(); final X86Assembler os = ec.getStream(); final ItemFactory ifac = ec.getItemFactory(); final X86RegisterPool pool = ec.getGPRPool();// final EntryPoints context = ec.getContext(); final X86CompilerHelper helper = ec.getHelper(); final int slotSize = os.isCode32() ? 4 : 8; // Test magic permission first testMagicPermission(mcode, caller); switch (mcode) { case ADD: { // addr + ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeADD(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case AND: { // addr & ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeAND(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case OR: { // addr | ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case SUB: case DIFF: { // addr - ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeSUB(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case XOR: { // addr ^ ofs if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem ofs = (WordItem) vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); GPR ofsr = ofs.getRegister(); final GPR addrr = addr.getRegister(); if (ofsr.getSize() != addrr.getSize()) { // Sign-extend offset final GPR64 ofsr64 = (GPR64)pool.getRegisterInSameGroup(ofsr, JvmType.REFERENCE); os.writeMOVSXD(ofsr64, (GPR32)ofsr); ofsr = ofsr64; } os.writeXOR(addrr, ofsr); ofs.release(ec); vstack.push(addr); } break; case NOT: { // !addr if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); os.writeNOT(addr.getRegister()); vstack.push(addr); } break; case TOINT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); X86Register r = addr.getRegister(); if (os.isCode64()) { r = pool.getRegisterInSameGroup(r, JvmType.INT); // We just take the lower 32-bit, so no actual mov's needed. } addr.release(ec); L1AHelper.requestRegister(ec, r); final IntItem result = (IntItem) ifac.createReg(ec, JvmType.INT, r); pool.transferOwnerTo(r, result); vstack.push(result); } break; case TOWORD: case TOADDRESS: case TOOFFSET: case TOOBJECT: case TOOBJECTREFERENCE: case TOEXTENT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); vstack.push(addr); } break; case TOLONG: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); addr.release(ec); L1AHelper.requestRegister(ec, r); final LongItem result; if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); result = (LongItem) ifac.createReg(ec, JvmType.LONG, r, msb); os.writeXOR(msb, msb); pool.transferOwnerTo(msb, result); } else { result = (LongItem) ifac.createReg(ec, JvmType.LONG, (GPR64)r); } pool.transferOwnerTo(r, result); vstack.push(result); } break; case MAX: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, -1); vstack.push(result); } break; case ONE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = (RefItem) L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV_Const(r, 1); vstack.push(result); } break; case ZERO: case NULLREFERENCE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem result = ifac.createAConst(ec, null); vstack.push(result); } break; case SIZE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem result = ifac.createIConst(ec, slotSize); vstack.push(result); break; } case ISMAX: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP_Const(addrr, -1); os.writeSETCC(resultr, X86Constants.JE); addr.release(ec); vstack.push(result); } break; case ISZERO: case ISNULL: { // Just convert to int if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem addr = vstack.popRef(); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR addrr = addr.getRegister(); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeTEST(addrr, addrr); os.writeSETCC(resultr, X86Constants.JZ); addr.release(ec); vstack.push(result); } break; case EQUALS: case EQ: case NE: case LT: case LE: case GE: case GT: case SLT: case SLE: case SGE: case SGT: { // addr .. other if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem other = vstack.popRef(); final RefItem addr = vstack.popRef(); other.load(ec); addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); os.writeXOR(resultr, resultr); os.writeCMP(addr.getRegister(), other.getRegister()); os.writeSETCC(resultr, methodToCC(mcode)); other.release(ec); addr.release(ec); vstack.push(result); } break; case FROMINT: case FROMINTSIGNEXTEND: case FROMINTZEROEXTEND: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem addr = vstack.popInt(); addr.load(ec); GPR r = addr.getRegister(); if (os.isCode64()) { final GPR64 newR = (GPR64)pool.getRegisterInSameGroup(r, JvmType.REFERENCE); if (mcode == FROMINTZEROEXTEND) { // Moving the register to itself in 32-bit mode, will // zero extend the top 32-bits. os.writeMOV(BITS32, r, r); } else { // Sign extend os.writeMOVSXD(newR, (GPR32)r); } r = newR; } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case FROMADDRESS: case FROMOBJECT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); // Do nothing vstack.push(obj); } break; case FROMLONG: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final LongItem addr = vstack.popLong(); addr.load(ec); final X86Register r; if (os.isCode32()) { r = addr.getLsbRegister(ec); } else { r = addr.getRegister(ec); } addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case LSH: case RSHA: case RSHL: { // addr shift cnt if (Vm.VerifyAssertions) Vm._assert(!isstatic); final GPR ECX = X86Register.ECX; final IntItem cnt = vstack.popInt(); final RefItem addr = vstack.popRef(); if (!cnt.isConstant() && !cnt.uses(ECX)) { addr.spillIfUsing(ec, ECX); L1AHelper.requestRegister(ec, ECX); cnt.loadTo(ec, ECX); } addr.load(ec); final int shift = methodToShift(mcode); if (cnt.isConstant()) { os.writeShift(shift, addr.getRegister(), cnt.getValue()); } else { os.writeShift_CL(shift, addr.getRegister()); } cnt.release(ec); vstack.push(addr); } break; case LOADBYTE: case LOADCHAR: case LOADSHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.loadToBITS8GPR(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } addr.release(ec); vstack.push(result); } break; case LOADINT: case LOADFLOAT: case LOADADDRESS: case LOADOBJECTREFERENCE: case LOADWORD: case PREPAREINT: case PREPAREADDRESS: case PREPAREOBJECTREFERENCE: case PREPAREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, 0); addr.release(ec); vstack.push(result); } break; case LOADLONG: case LOADDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem addr = vstack.popRef(); addr.load(ec); final X86Register.GPR r = addr.getRegister(); if (os.isCode32()) { final X86Register.GPR msb = (X86Register.GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); addr.release(ec); L1AHelper.releaseRegister(ec, msb); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, X86CompilerConstants.LSB); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, 0); addr.release(ec); vstack.push(result); } } break; case LOADBYTE_OFS: case LOADCHAR_OFS: case LOADSHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true); final GPR resultr = result.getRegister(); if (mcode == LOADCHAR_OFS) { os.writeMOVZX(resultr, r, 0, methodToSize(mcode)); } else { os.writeMOVSX(resultr, r, 0, methodToSize(mcode)); } ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADINT_OFS: case LOADFLOAT_OFS: case LOADADDRESS_OFS: case LOADOBJECTREFERENCE_OFS: case LOADWORD_OFS: case PREPAREINT_OFS: case PREPAREADDRESS_OFS: case PREPAREOBJECTREFERENCE_OFS: case PREPAREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), false); final GPR resultr = result.getRegister(); os.writeMOV(resultr.getSize(), resultr, r, ofsr, 1, 0); ofs.release(ec); addr.release(ec); vstack.push(result); } break; case LOADLONG_OFS: case LOADDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final RefItem addr = vstack.popRef(); ofs.load(ec); addr.load(ec); final GPR ofsr = ofs.getRegister(); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR msb = (GPR)L1AHelper.requestRegister(ec, JvmType.INT, false); os.writeMOV(X86CompilerConstants.INTSIZE, msb, r, ofsr, 1, X86CompilerConstants.MSB); os.writeMOV(X86CompilerConstants.INTSIZE, r, r, ofsr, 1, X86CompilerConstants.LSB); ofs.release(ec); addr.release(ec); L1AHelper.releaseRegister(ec, msb); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode), r, msb)); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, methodToType(mcode)); os.writeMOV(BITS64, result.getRegister(ec), r, ofsr, 1, 0); addr.release(ec); ofs.release(ec); vstack.push(result); } } break; case STOREBYTE: case STORECHAR: case STORESHORT: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, 0, valr); val.release(ec); addr.release(ec); } break; case STOREINT: case STOREFLOAT: case STOREADDRESS: case STOREOBJECTREFERENCE: case STOREWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, 0, valr); val.release(ec); addr.release(ec); } break; case STORELONG: case STOREDOUBLE: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, 0, valr); } val.release(ec); addr.release(ec); } break; case STOREBYTE_OFS: case STORECHAR_OFS: case STORESHORT_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final IntItem val = vstack.popInt(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.loadToBITS8GPR(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(methodToSize(mcode), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STOREINT_OFS: case STOREFLOAT_OFS: case STOREADDRESS_OFS: case STOREOBJECTREFERENCE_OFS: case STOREWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); final GPR valr = val.getRegister(); os.writeMOV(valr.getSize(), r, ofsr, 1, 0, valr); ofs.release(ec); val.release(ec); addr.release(ec); } break; case STORELONG_OFS: case STOREDOUBLE_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final DoubleWordItem val = (DoubleWordItem)vstack.pop(); final RefItem addr = vstack.popRef(); ofs.load(ec); val.load(ec); addr.load(ec); final GPR r = addr.getRegister(); final GPR ofsr = ofs.getRegister(); if (os.isCode32()) { final GPR lsb = val.getLsbRegister(ec); final GPR msb = val.getMsbRegister(ec); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.LSB, lsb); os.writeMOV(X86CompilerConstants.INTSIZE, r, ofsr, 1, X86CompilerConstants.MSB, msb); } else { final GPR64 valr = val.getRegister(ec); os.writeMOV(BITS64, r, ofsr, 1, 0, valr); } ofs.release(ec); val.release(ec); addr.release(ec); } break; case ATTEMPTINT: case ATTEMPTADDRESS: case ATTEMPTOBJECTREFERENCE: case ATTEMPTWORD: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); val.load(ec); old.loadTo(ec, aax); } else { val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); val.release(ec); old.release(ec); addr.release(ec); vstack.push(result); } break; case ATTEMPTINT_OFS: case ATTEMPTADDRESS_OFS: case ATTEMPTOBJECTREFERENCE_OFS: case ATTEMPTWORD_OFS: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem ofs = vstack.popRef(); final WordItem val = (WordItem)vstack.pop(); final WordItem old = (WordItem)vstack.pop(); final RefItem addr = vstack.popRef(); final X86Register.GPR aax; if ((mcode == ATTEMPTINT) || os.isCode32()) { aax = X86Register.EAX; } else { aax = X86Register.RAX; } if (!old.uses(aax)) { L1AHelper.requestRegister(ec, aax, old); ofs.load(ec); val.load(ec); old.loadTo(ec, aax); } else { ofs.load(ec); val.load(ec); } addr.load(ec); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, true); final GPR resultr = result.getRegister(); final GPR r = addr.getRegister(); final GPR valr = val.getRegister(); final GPR ofsr = ofs.getRegister(); os.writeLEA(r, r, ofsr, 1, 0); os.writeCMPXCHG_EAX(r, 0, valr, true); os.writeSETCC(resultr, X86Constants.JZ); os.writeAND(resultr, 0xFF); ofs.release(ec); val.release(ec); old.release(ec); addr.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.INT, resultr)); } break; case GETOBJECTTYPE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final RefItem result = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR resultr = result.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); // Get VmType os.writeMOV(helper.ADDRSIZE, resultr, r, (TIBLayout.VMTYPE_INDEX + VmArray.DATA_OFFSET) * slotSize); obj.release(ec); vstack.push(result); } break; case GETTIB: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get TIB os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.TIB_SLOT * slotSize); vstack.push(obj); } break; case GETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); // Get flags os.writeMOV(helper.ADDRSIZE, r, r, ObjectLayout.FLAGS_SLOT * slotSize); obj.release(ec); vstack.push(L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, r)); } break; case SETOBJECTFLAGS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem flags = vstack.popRef(); final RefItem obj = vstack.popRef(); flags.load(ec); obj.load(ec); final GPR flagsr = flags.getRegister(); final GPR r = obj.getRegister(); // Set flags os.writeMOV(helper.ADDRSIZE, r, ObjectLayout.FLAGS_SLOT * slotSize, flagsr); flags.release(ec); obj.release(ec); } break; case GETARRAYDATA: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); os.writeADD(r, VmArray.DATA_OFFSET * slotSize); vstack.push(obj); } break; case GETOBJECTCOLOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.GC_COLOUR_MASK); obj.release(ec); vstack.push(result); } break; case ISFINALIZED: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem obj = vstack.popRef(); obj.load(ec); final GPR r = obj.getRegister(); final IntItem result = (IntItem)L1AHelper.requestWordRegister(ec, JvmType.INT, false); final GPR resultr = result.getRegister(); // Get flags os.writeMOV(BITS32, resultr, r, ObjectLayout.FLAGS_SLOT * slotSize); os.writeAND(resultr, ObjectFlags.STATUS_FINALIZED); obj.release(ec); vstack.push(result); } break; case ATOMICADD: case ATOMICAND: case ATOMICOR: case ATOMICSUB: { if (Vm.VerifyAssertions) Vm._assert(!isstatic); final RefItem value = vstack.popRef(); final RefItem addr = vstack.popRef(); value.load(ec); addr.load(ec); final X86Register.GPR valuer = (X86Register.GPR)value.getRegister(); final X86Register.GPR r = (X86Register.GPR)addr.getRegister(); os.writePrefix(X86Constants.LOCK_PREFIX); os.writeArithOp(methodCodeToOperation(mcode), r, 0, valuer); value.release(ec); addr.release(ec); } break; case GETCURRENTFRAME: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem result = L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR r = result.getRegister(); os.writeMOV(helper.ADDRSIZE, r, helper.BP); vstack.push(result); } break; case GETTIMESTAMP: { if (Vm.VerifyAssertions) Vm._assert(isstatic); if (os.isCode32()) { final DoubleWordItem result = L1AHelper.requestDoubleWordRegisters(ec, JvmType.LONG, X86Register.EAX, X86Register.EDX); os.writeRDTSC(); vstack.push(result); } else { final DoubleWordItem result = L1AHelper.requestDoubleWordRegister(ec, JvmType.LONG, X86Register.RAX); L1AHelper.requestRegister(ec, X86Register.RDX); os.writeRDTSC(); // Move MSB to upper 32-bit of RDX os.writeSHL(X86Register.RDX, 32); // RAX is zero extended by RDTSC, so an OR of RAX,RDX will combine // the upper 32-bits of RDX and the lower 32-bits of RAX. os.writeOR(X86Register.RAX, X86Register.RDX); // Now free RDX L1AHelper.releaseRegister(ec, X86Register.RDX); vstack.push(result); } } break; case INTBITSTOFLOAT: case FLOATTORAWINTBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final WordItem v = (WordItem)vstack.pop(); v.load(ec); final X86Register.GPR r = v.getRegister(); v.release(ec); final int resultType = (mcode == INTBITSTOFLOAT) ? JvmType.FLOAT : JvmType.INT; vstack.push(L1AHelper.requestWordRegister(ec, resultType, r)); } break; case LONGBITSTODOUBLE: case DOUBLETORAWLONGBITS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final DoubleWordItem v = (DoubleWordItem)vstack.pop(); v.load(ec); final int resultType = (mcode == LONGBITSTODOUBLE) ? JvmType.DOUBLE : JvmType.LONG; if (os.isCode32()) { final X86Register.GPR lsb = v.getLsbRegister(ec); final X86Register.GPR msb = v.getMsbRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegisters(ec, resultType, lsb, msb)); } else { final GPR64 vreg = v.getRegister(ec); v.release(ec); vstack.push(L1AHelper.requestDoubleWordRegister(ec, resultType, vreg)); } } break; case BREAKPOINT: { if (Vm.VerifyAssertions) Vm._assert(isstatic); os.writeINT(3); } break; case CURRENTPROCESSOR: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final int offset = ec.getContext().getVmProcessorMeField().getOffset(); if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(item.getRegister(), offset); } else { os.writeMOV(BITS64, item.getRegister(), X86Register.R12, offset); } vstack.push(item); } break; case GETSHAREDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorSharedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } GPR indexReg = index.getRegister(); if (os.isCode64()) { GPR64 indexReg64 = L1AHelper.get64BitReg(ec, indexReg); os.writeMOVSXD(indexReg64, (GPR32)indexReg); indexReg = indexReg64; } os.writeLEA(itemReg, itemReg, indexReg, os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case GETISOLATEDSTATICSFIELDADDRESS: { if (Vm.VerifyAssertions) Vm._assert(isstatic); final IntItem index = (IntItem)vstack.pop(); index.load(ec); final RefItem item = (RefItem)L1AHelper.requestWordRegister(ec, JvmType.REFERENCE, false); final GPR itemReg = item.getRegister(); final int offset = ec.getContext().getVmProcessorIsolatedStaticsTable().getOffset(); // Load table if (os.isCode32()) { os.writePrefix(X86Constants.FS_PREFIX); os.writeMOV(itemReg, offset); } else { os.writeMOV(BITS64, itemReg, X86CompilerConstants.PROCESSOR64, offset); } GPR indexReg = index.getRegister(); if (os.isCode64()) { GPR64 indexReg64 = L1AHelper.get64BitReg(ec, indexReg); os.writeMOVSXD(indexReg64, (GPR32)indexReg); indexReg = indexReg64; } os.writeLEA(itemReg, itemReg, indexReg, os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize()); index.release(ec); vstack.push(item); } break; case ISRUNNINGJNODE: { if (Vm.VerifyAssertions) Vm._assert(isstatic); vstack.push(ifac.createIConst(ec, 1)); } break; // xyzArray classes case ARR_CREATE: { if (os.isCode32()) { bcv.visit_newarray(10); // int[] } else { bcv.visit_newarray(11); // long[] } } break; case ARR_GET: { bcv.waload(JvmType.REFERENCE); } break; case ARR_SET: { bcv.wastore(JvmType.REFERENCE); } break; case ARR_LENGTH: { bcv.visit_arraylength(); } break; default: throw new InternalError("Unknown method code for method " + method); } }

14,981

public DoubleWordItem createReg(EmitterContext ec, int jvmType, X86Register.GPR lsb, X86Register.GPR msb) { if (!ec.getStream().isCode32()) { throw new IllegalModeException("Only supported in 32-bit mode"); } final DoubleWordItem item = (DoubleWordItem) getOrCreate(jvmType); item.initialize(ec, Item.Kind.GPR, 0, lsb, msb, null, null); return item; }

14,982

public abstract Object getAttribute(String name) throws IllegalArgumentException;

14,983

public abstract DocumentBuilder newDocumentBuilder() throws ParserConfigurationException;

14,984

public boolean isNamespaceAware() { return namespaceAware; } // isNamespaceAware()

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public boolean isNamespaceAware() { return namespaceAware; } // isNamespaceAware()

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public boolean isIgnoringElementContentWhitespace() { return whitespace; } // isIgnoringElementContentWhitespace()

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public boolean isIgnoringComments() { return ignoreComments; } // isIgnoringComments()

14,988

public boolean isExpandEntityReferences() { return expandEntityRef; } // isExpandEntityReferences()

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public boolean isCoalescing() { return coalescing; } // isCoalescing()

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public boolean isValidating() { return validating; } // isValidating()

14,991

public boolean isValidating() { return validating; } // isValidating()

14,992

public ParserConfigurationException(String message) { super(message); } // ParserConfigurationException()

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public void removeAll() { synchronized (getTreeLock ()) { while (ncomponents > 0) remove(0); } }

14,994

public void list(PrintStream out, int indent) { for (int i = 0; i < indent; ++i) out.print(' '); out.println(toString()); }

public void list() { for (int i = 0; i < indent; ++i) out.print(' '); out.println(toString()); }

14,996

public void list(PrintStream out, int indent) { for (int i = 0; i < indent; ++i) out.print(' '); out.println(toString()); }

14,997