Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/Option.java @ 4150:c78bace5086a
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> |
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date | Tue, 20 Dec 2011 15:34:43 +0100 |
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.gen.risc; import com.sun.max.asm.gen.risc.field.*; /** * An Option is one of the values that an {@link OptionField optional field} can take. * An example is the value of the <i>predict bit</i> for the SPARC Branch on Equal with * Prediction instruction that specifies the bit is set. The format of this instruction is: * * bge_pt(...) // assembler method * bge,pt ... // external assembler syntax */ public class Option { /** * The addition to the assembler method's name used to specify this option value. */ protected final String name; /** * The addition to the external assembler syntax used to specify this option value. */ protected final String externalName; /** * The value of the option. */ protected final int value; /** * The field to which this option applies. */ private final OptionField field; public String name() { return name; } public String externalName() { return externalName; } public int value() { return value; } public Option() { this(""); } public Option(String name) { this(name, 0); } public Option(String name, int value) { this(name, value, ""); } public Option(String name, int value, String externalName) { this(name, value, externalName, null); } public Option(String name, int value, String externalName, OptionField field) { this.name = name; this.value = value; this.externalName = externalName; this.field = field; } public OptionField field() { return field; } public boolean isRedundant() { return (field.defaultOption() != null) && (value == field.defaultOption().value) && (!(equals(field.defaultOption()))); } @Override public boolean equals(Object other) { return other instanceof Option && name.equals(((Option) other).name); } @Override public int hashCode() { return name.hashCode(); } }