Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/package-info.java @ 5109:6766253384bf
more preparations for disabling runtime feedback selectively based on deoptimization history
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Tue, 13 Mar 2012 18:53:33 -0700 |
parents | 4ed4295ce15f |
children | d89b20486d87 |
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1 /* |
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2 * Copyright (c) 2010, 2012, 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 * The compiler-provided part of the bi-directional interface between the compiler and the runtime system of a virtual machine for the instruction set defined in |
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25 * {@link com.oracle.graal.compiler.graphbuilder.Bytecodes}. |
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26 * |
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27 * The target hardware architecture is represented by {@link com.oracle.max.cri.ci.CiArchitecture} and the specific target machine |
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28 * environment for a compiler instance is represented by {@link com.oracle.max.cri.ci.CiTarget}. |
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29 * <p> |
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30 * A {@code CiResult} encapsulates |
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31 * {@linkplain com.oracle.max.cri.ci.CiStatistics compilation statistics}, possible {@linkplain com.oracle.max.cri.ci.CiBailout error state} |
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32 * and the {@linkplain com.oracle.max.cri.ci.CiTargetMethod compiled code and metadata}. |
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33 * {@link com.oracle.max.cri.ci.CiCodePos} and {@link com.oracle.max.cri.ci.CiDebugInfo} provide detailed information to the |
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34 * runtime to support debugging and deoptimization of the compiled code. |
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35 * <p> |
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36 * The compiler manipulates {@link com.oracle.max.cri.ci.CiValue} instances that have a {@link com.oracle.max.cri.ci.CiKind}, and are |
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37 * immutable. A concrete {@link com.oracle.max.cri.ci.CiValue value} is one of the following subclasses: |
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38 * <ul> |
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39 * <li>{@link com.oracle.max.cri.ci.CiConstant}: a constant value. |
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40 * <li>{@link com.oracle.max.cri.ci.CiRegisterValue}: a value stored in a {@linkplain com.oracle.max.cri.ci.CiRegister target machine register}. |
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41 * <li>{@link com.oracle.max.cri.ci.CiStackSlot}: a spill slot or an outgoing stack-based argument in a method's frame. |
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42 * <li>{@link com.oracle.max.cri.ci.CiAddress}: an address in target machine memory. |
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43 * <li>{@link com.oracle.graal.compiler.lir.CiVariable}: a value (cf. virtual register) that is yet to be bound to a target machine location (physical register or memory address). |
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44 *</ul> |
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45 */ |
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46 package com.oracle.max.cri.ci; |
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47 |