Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/sparc/PrivilegedRegister.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 | e233f5660da4 |
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.sparc; import com.sun.max.asm.*; import com.sun.max.util.*; /** * The class defining the symbolic identifiers for the privileged registers * accessed by the Read Privileged Register and Write Privileged Register * instructions. */ public class PrivilegedRegister extends AbstractSymbolicArgument { PrivilegedRegister(int value) { super(value); } public static class Writable extends PrivilegedRegister { Writable(int value) { super(value); } } public static final Writable TPC = new Writable(0); public static final Writable TNPC = new Writable(1); public static final Writable TSTATE = new Writable(2); public static final Writable TT = new Writable(3); public static final Writable TTICK = new Writable(4) { @Override public String externalValue() { return "%tick"; } }; public static final Writable TBA = new Writable(5); public static final Writable PSTATE = new Writable(6); public static final Writable TL = new Writable(7); public static final Writable PIL = new Writable(8); public static final Writable CWP = new Writable(9); public static final Writable CANSAVE = new Writable(10); public static final Writable CANRESTORE = new Writable(11); public static final Writable CLEANWIN = new Writable(12); public static final Writable OTHERWIN = new Writable(13); public static final Writable WSTATE = new Writable(14); public static final PrivilegedRegister FQ = new PrivilegedRegister(15); public static final PrivilegedRegister VER = new PrivilegedRegister(31); public static final Symbolizer<PrivilegedRegister> SYMBOLIZER = Symbolizer.Static.initialize(PrivilegedRegister.class); public static final Symbolizer<Writable> WRITE_ONLY_SYMBOLIZER = Symbolizer.Static.initialize(PrivilegedRegister.class, Writable.class); }