| /* |
| * Copyright (c) 2016, 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 org.graalvm.compiler.nodeinfo; |
| |
| /** |
| * Constants representing an estimation of of the size needed to represent a compiler node in |
| * machine code. |
| */ |
| public enum NodeSize { |
| |
| /** |
| * The default value of the {@link NodeInfo#size()} property. |
| * <p> |
| * For further information about the use of {@code SIZE_UNSET} see {@link NodeInfo#size()}. |
| */ |
| SIZE_UNSET(0), |
| /** |
| * Nodes for which, due to arbitrary reasons, no estimation can be made either (1) statically |
| * without inspecting the properties of a node or (2) at all (like e.g. for an invocation). |
| * <p> |
| * Nodes annotated with {@code SIZE_UNKNOWN} should specify the {@link NodeInfo#sizeRationale()} |
| * property to clarify why an estimation cannot be done. |
| */ |
| SIZE_UNKNOWN(0), |
| /** |
| * Nodes for which code size information is irrelevant and can be ignored, e.g. for test nodes. |
| */ |
| SIZE_IGNORED(0), |
| /** |
| * Nodes that do not require any code to be generated in order to be "executed", e.g. a phi |
| * node. |
| */ |
| SIZE_0(0), |
| SIZE_1(1), |
| SIZE_2(2), |
| SIZE_3(3), |
| SIZE_4(4), |
| SIZE_6(6), |
| SIZE_8(8), |
| SIZE_10(10), |
| SIZE_15(15), |
| SIZE_20(20), |
| SIZE_30(30), |
| SIZE_40(40), |
| SIZE_50(50), |
| SIZE_80(80), |
| SIZE_100(100), |
| SIZE_200(200); |
| |
| public final int estimatedCodeSize; |
| |
| NodeSize(int estimatedCodeSize) { |
| this.estimatedCodeSize = estimatedCodeSize; |
| } |
| |
| public static final int IGNORE_SIZE_CONTRACT_FACTOR = 0xFFFF; |
| } |
