Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/RiscAssembly.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
parents | |
children | bc8527f3071c |
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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.risc; import java.io.*; import java.util.*; import com.sun.max.asm.dis.risc.*; import com.sun.max.asm.gen.*; import com.sun.max.collect.*; import com.sun.max.lang.*; /** */ public abstract class RiscAssembly extends Assembly<RiscTemplate> { protected RiscAssembly(ISA isa, Class<RiscTemplate> templateType) { super(isa, templateType); } private List<SpecificityGroup> specificityGroups; private void initialize() { final IntHashMap<IntHashMap<OpcodeMaskGroup>> specificityTable = new IntHashMap<IntHashMap<OpcodeMaskGroup>>(); for (RiscTemplate template : templates()) { if (!template.isRedundant()) { IntHashMap<OpcodeMaskGroup> opcodeMaskGroups = specificityTable.get(template.specificity()); if (opcodeMaskGroups == null) { opcodeMaskGroups = new IntHashMap<OpcodeMaskGroup>(); specificityTable.put(template.specificity(), opcodeMaskGroups); } final int opcodeMask = template.opcodeMask(); OpcodeMaskGroup opcodeMaskGroup = opcodeMaskGroups.get(opcodeMask); if (opcodeMaskGroup == null) { opcodeMaskGroup = new OpcodeMaskGroup(opcodeMask); opcodeMaskGroups.put(opcodeMask, opcodeMaskGroup); } opcodeMaskGroup.add(template); } } specificityGroups = new LinkedList<SpecificityGroup>(); for (int specificity = 33; specificity >= 0; specificity--) { final IntHashMap<OpcodeMaskGroup> opcodeGroupTable = specificityTable.get(specificity); if (opcodeGroupTable != null) { final List<OpcodeMaskGroup> opcodeMaskGroups = opcodeGroupTable.toList(); final SpecificityGroup specificityGroup = new SpecificityGroup(specificity, opcodeMaskGroups); specificityGroups.add(specificityGroup); } } } public void printSpecificityGroups(PrintStream out) { for (SpecificityGroup specificityGroup : specificityGroups) { out.println("Specificity group " + specificityGroup.specificity()); for (OpcodeMaskGroup opcodeMaskGroup : specificityGroup.opcodeMaskGroups()) { out.println(" Opcode mask group " + Integer.toBinaryString(opcodeMaskGroup.mask())); for (RiscTemplate template : opcodeMaskGroup.templates()) { out.println(" " + template); } } } } public List<SpecificityGroup> specificityGroups() { if (specificityGroups == null) { initialize(); } return specificityGroups; } }