Mercurial > hg > graal-compiler
diff graal/GraalCompiler/src/com/sun/c1x/ir/Anchor.java @ 2796:d6bf240963fb
Rename Goto to Anchor
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
---|---|
date | Fri, 27 May 2011 11:42:16 +0200 |
parents | graal/GraalCompiler/src/com/sun/c1x/ir/Goto.java@93ec3f067420 |
children | 530366123e46 bd17ac598c6e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/GraalCompiler/src/com/sun/c1x/ir/Anchor.java Fri May 27 11:42:16 2011 +0200 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.sun.c1x.ir; + +import com.oracle.graal.graph.*; +import com.sun.c1x.debug.*; +import com.sun.cri.ci.*; + +/** + * The {@code Goto} instruction represents the end of a block with an unconditional jump to another block. + */ +public final class Anchor extends BlockEnd { + + private static final int INPUT_COUNT = 0; + private static final int SUCCESSOR_COUNT = 0; + + /** + * Constructs a new Goto instruction. + * @param succ the successor block of the goto + * @param stateAfter the frame state at the end of this block + * @param graph + */ + public Anchor(Instruction succ, Graph graph) { + super(CiKind.Illegal, 1, INPUT_COUNT, SUCCESSOR_COUNT, graph); + setBlockSuccessor(0, succ); + } + + @Override + public void accept(ValueVisitor v) { + v.visitGoto(this); + } + + @Override + public void print(LogStream out) { + out.print("goto ").print(defaultSuccessor()); + } +}