Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/InstructionDescriptionCreator.java @ 4213:e4cfa571d8c4
Do not emit stack-to-stack moves.
author | Christian Wimmer <Christian.Wimmer@Oracle.com> |
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date | Tue, 03 Jan 2012 18:47:27 -0800 |
parents | bc8527f3071c |
children |
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/* * Copyright (c) 2007, 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.max.asm.gen; import java.util.*; /** * Wraps mere object arrays into instruction descriptions. */ public abstract class InstructionDescriptionCreator<InstructionDescription_Type extends InstructionDescription> { private final Assembly assembly; protected InstructionDescriptionCreator(Assembly assembly) { this.assembly = assembly; } public Assembly assembly() { return assembly; } protected abstract InstructionDescription_Type createInstructionDescription(List<Object> specifications); protected InstructionDescription_Type defineInstructionDescription(List<Object> specifications) { final InstructionDescription_Type instructionDescription = createInstructionDescription(specifications); instructionDescriptions.add(instructionDescription); instructionDescription.setArchitectureManualSection(currentArchitectureManualSection); return instructionDescription; } private final List<InstructionDescription_Type> instructionDescriptions = new LinkedList<>(); private static void deepCopy(Object[] src, List<Object> dst) { for (Object object : src) { if (object instanceof Object[]) { deepCopy((Object[]) object, dst); } else { dst.add(object); } } } protected InstructionDescription_Type define(Object... specifications) { List<Object> specList = new ArrayList<>(specifications.length * 2); deepCopy(specifications, specList); return defineInstructionDescription(specList); } private String currentArchitectureManualSection; /** * Sets the name of the architecture manual section for which instruction descriptions are * currently being {@link #define defined}. */ public void setCurrentArchitectureManualSection(String section) { currentArchitectureManualSection = section; } public List<InstructionDescription_Type> instructionDescriptions() { return instructionDescriptions; } }