Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.meta/src/jdk/vm/ci/meta/PlatformKind.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/PlatformKind.java@c10d5fb9776b |
children | 4b58c92e939b |
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/* * Copyright (c) 2013, 2015, 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 jdk.vm.ci.meta; /** * Represents a platform-specific low-level type for values. */ public interface PlatformKind { String name(); public interface Key { } public class EnumKey<E extends Enum<E>> implements Key { private final Enum<E> e; public EnumKey(Enum<E> e) { this.e = e; } @Override public int hashCode() { return e.ordinal() ^ e.name().hashCode(); } @Override public boolean equals(Object obj) { if (obj == this) { return true; } if (obj instanceof EnumKey) { EnumKey<?> that = (EnumKey<?>) obj; return this.e == that.e; } return false; } } /** * Gets a value associated with this object that can be used as a stable key in a map. The * {@link Object#hashCode()} implementation of the returned value should be stable between VM * executions. */ Key getKey(); /** * Get the size in bytes of this {@link PlatformKind}. */ int getSizeInBytes(); /** * Returns how many primitive values fit in this {@link PlatformKind}. For scalar types this is * one, for SIMD types it may be higher. */ int getVectorLength(); /** * Gets a single type char that identifies this type for use in debug output. */ char getTypeChar(); }