Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/xir/package-info.java @ 4311:8e2c4affcd51
more structured graph modification usage
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 19 Jan 2012 18:53:48 +0100 |
parents | aaac4894175c |
children | a1db0ea58b53 |
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1 /* |
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2 * Copyright (c) 2010, 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 /** |
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24 * XIR defines a domain specific instruction set for expressing the lowering of bytecode operations. The details of the |
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25 * lowering operations are entirely encapsulated in the runtime and are provided to the compiler on request using |
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26 * {@link com.oracle.max.cri.xir.XirSnippet XIR snippets}. A snippet is a combination of a {@link com.oracle.max.cri.xir.XirTemplate |
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27 * template}, which is a sequence of {@link com.oracle.max.cri.xir.CiXirAssembler.XirInstruction XIR instructions} that has |
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28 * unbound {@link com.oracle.max.cri.xir.CiXirAssembler.XirParameter parameters}, and site-specific |
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29 * {@link com.oracle.max.cri.xir.XirArgument arguments} that are bound to the parameters. |
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30 * <p> |
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31 * The runtime is responsible for creating the {@link com.oracle.max.cri.xir.XirTemplate templates} and provides these to the |
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32 * compiler as part of the initialization process. |
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33 * <p> |
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34 * The XIR instruction set has no textual representation, and therefore no parser. An assembly is represented by an |
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35 * instance of {@link com.oracle.max.cri.xir.CiXirAssembler}, which provides methods to create instructions and operands. |
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36 */ |
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37 package com.oracle.max.cri.xir; |