Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/HeapAccess.java @ 15036:9806a98bcf9a
make %S format for Node emit Verbosity.All
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 08 Apr 2014 20:09:36 -0700 |
parents | 000ee2d0c518 |
children | b2c18c498f13 |
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/* * Copyright (c) 2013, 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.oracle.graal.nodes; /** * Encapsulates properties of a node describing how it accesses the heap. */ public interface HeapAccess { /** * The types of (write/read) barriers attached to stores. */ public enum BarrierType { /** * Primitive stores which do not necessitate barriers. */ NONE, /** * Array object stores which necessitate precise barriers. */ PRECISE, /** * Field object stores which necessitate imprecise barriers. */ IMPRECISE } /** * Gets the write barrier type for that particular access. */ BarrierType getBarrierType(); /** * Returns whether or not the heap access is a compressed pointer candidate. */ boolean isCompressible(); }