Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiValueUtil.java @ 4199:aaac4894175c
Renamed cri packages from sun to oracle.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Tue, 03 Jan 2012 16:29:28 +0100 |
parents | graal/com.oracle.max.cri/src/com/sun/cri/ci/CiValueUtil.java@9e0c1b4cfef5 |
children | 430b5db3e6f8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiValueUtil.java Tue Jan 03 16:29:28 2012 +0100 @@ -0,0 +1,103 @@ +/* + * 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; + +public class CiValueUtil { + public static boolean isIllegal(CiValue value) { + assert value != null; + return value == CiValue.IllegalValue; + } + + public static boolean isLegal(CiValue value) { + return !isIllegal(value); + } + + public static boolean isVirtualObject(CiValue value) { + assert value != null; + return value instanceof CiVirtualObject; + } + + + public static boolean isVariable(CiValue value) { + assert value != null; + return value instanceof CiVariable; + } + + public static CiVariable asVariable(CiValue value) { + assert value != null; + return (CiVariable) value; + } + + + public static boolean isConstant(CiValue value) { + assert value != null; + return value instanceof CiConstant; + } + + + public static boolean isStackSlot(CiValue value) { + assert value != null; + return value instanceof CiStackSlot; + } + + public static CiStackSlot asStackSlot(CiValue value) { + assert value != null; + return (CiStackSlot) value; + } + + + public static boolean isRegister(CiValue value) { + assert value != null; + return value instanceof CiRegisterValue; + } + + public static CiRegister asRegister(CiValue value) { + assert value != null; + return ((CiRegisterValue) value).reg; + } + + public static CiRegister asIntReg(CiValue value) { + assert value.kind == CiKind.Int || value.kind == CiKind.Jsr; + return asRegister(value); + } + + public static CiRegister asLongReg(CiValue value) { + assert value.kind == CiKind.Long : value.kind; + return asRegister(value); + } + + public static CiRegister asObjectReg(CiValue value) { + assert value.kind == CiKind.Object; + return asRegister(value); + } + + public static CiRegister asFloatReg(CiValue value) { + assert value.kind == CiKind.Float; + return asRegister(value); + } + + public static CiRegister asDoubleReg(CiValue value) { + assert value.kind == CiKind.Double; + return asRegister(value); + } +}