Mercurial > hg > graal-jvmci-8
view graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiValueUtil.java @ 5507:dc71b06d09f8
Moving classes from cri.ri to api.meta.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 07 Jun 2012 18:24:06 +0200 |
parents | 56860d3f9f39 |
children |
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/* * Copyright (c) 2012, 2012, 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.max.cri.ci; import com.oracle.graal.api.meta.*; public class CiValueUtil { public static boolean isIllegal(RiValue value) { assert value != null; return value == RiValue.IllegalValue; } public static boolean isLegal(RiValue value) { return !isIllegal(value); } public static boolean isVirtualObject(RiValue value) { assert value != null; return value instanceof CiVirtualObject; } public static CiVirtualObject asVirtualObject(RiValue value) { assert value != null; return (CiVirtualObject) value; } public static boolean isConstant(RiValue value) { assert value != null; return value instanceof RiConstant; } public static RiConstant asConstant(RiValue value) { assert value != null; return (RiConstant) value; } public static boolean isStackSlot(RiValue value) { assert value != null; return value instanceof CiStackSlot; } public static CiStackSlot asStackSlot(RiValue value) { assert value != null; return (CiStackSlot) value; } public static boolean isAddress(RiValue value) { assert value != null; return value instanceof CiAddress; } public static CiAddress asAddress(RiValue value) { assert value != null; return (CiAddress) value; } public static boolean isRegister(RiValue value) { assert value != null; return value instanceof CiRegisterValue; } public static CiRegister asRegister(RiValue value) { assert value != null; return ((CiRegisterValue) value).reg; } public static CiRegister asIntReg(RiValue value) { assert value.kind == RiKind.Int || value.kind == RiKind.Jsr; return asRegister(value); } public static CiRegister asLongReg(RiValue value) { assert value.kind == RiKind.Long : value.kind; return asRegister(value); } public static CiRegister asObjectReg(RiValue value) { assert value.kind == RiKind.Object; return asRegister(value); } public static CiRegister asFloatReg(RiValue value) { assert value.kind == RiKind.Float; return asRegister(value); } public static CiRegister asDoubleReg(RiValue value) { assert value.kind == RiKind.Double; return asRegister(value); } public static boolean sameRegister(RiValue v1, RiValue v2) { return isRegister(v1) && isRegister(v2) && asRegister(v1) == asRegister(v2); } public static boolean sameRegister(RiValue v1, RiValue v2, RiValue v3) { return sameRegister(v1, v2) && sameRegister(v1, v3); } public static boolean differentRegisters(RiValue v1, RiValue v2) { return !isRegister(v1) || !isRegister(v2) || asRegister(v1) != asRegister(v2); } public static boolean differentRegisters(RiValue v1, RiValue v2, RiValue v3) { return differentRegisters(v1, v2) && differentRegisters(v1, v3) && differentRegisters(v2, v3); } }