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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/sparc/BranchPredictionBit.java @ 4150:c78bace5086a

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start work on integrating old hooks into mx, work on sanity checks introduce a DB class to access the bench DB in an easier way (create benchmarks and benchmark values automatically in the DB)
author Gilles Duboscq <gilles.m.duboscq@gmail.com>
date Tue, 20 Dec 2011 15:34:43 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.max.asm.sparc;
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24
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25 import com.sun.max.asm.*;
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26 import com.sun.max.util.*;
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27
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28 /**
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29 * An optional (suffix) argument to a branch with prediction assembler instruction
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30 * specifying if the prediction bit is to be set. For example:
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31 * <pre>bgu,pt <i>i_or_x_cc</i>, <i>label</i></pre>
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32 */
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33 public final class BranchPredictionBit extends OptionSuffixSymbolicArgument {
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34
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35 private BranchPredictionBit(int value, String externalMnemonicSuffix) {
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36 super(value, externalMnemonicSuffix);
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37 }
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38
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39 /**
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40 * The prediction bit is not set, indicating that the branch is not likely to be taken.
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41 */
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42 public static final BranchPredictionBit PN = new BranchPredictionBit(0, ",pn");
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43
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44 /**
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45 * The prediction bit is set, indicating that the branch is likely to be taken.
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46 */
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47 public static final BranchPredictionBit PT = new BranchPredictionBit(1, ",pt");
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48
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49 public static final Symbolizer<BranchPredictionBit> SYMBOLIZER = Symbolizer.Static.initialize(BranchPredictionBit.class);
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50 }