Mercurial > hg > truffle
diff graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/ImmediateArgument.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/ImmediateArgument.java Sat Dec 17 19:59:18 2011 +0100 @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2007, 2011, 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.sun.max.asm.gen; + +import com.sun.max.asm.*; +import com.sun.max.lang.*; +import com.sun.max.program.*; + +/** + */ +public abstract class ImmediateArgument implements Argument { + + public static ImmediateArgument create(long value, WordWidth width) { + switch (width) { + case BITS_8: + return new Immediate8Argument((byte) value); + case BITS_16: + return new Immediate16Argument((short) value); + case BITS_32: + return new Immediate32Argument((int) value); + case BITS_64: + return new Immediate64Argument(value); + default: + throw ProgramError.unknownCase(); + } + } + + public ImmediateArgument plus(ImmediateArgument addend) { + return create(asLong() + addend.asLong(), width()); + } + + public ImmediateArgument plus(long addend) { + return create(asLong() + addend, width()); + } + + public ImmediateArgument minus(ImmediateArgument addend) { + return create(asLong() - addend.asLong(), width()); + } + + public ImmediateArgument minus(long addend) { + return create(asLong() - addend, width()); + } + + public abstract WordWidth width(); + + public abstract String signedExternalValue(); + + public abstract Object boxedJavaValue(); + + @Override + public final String toString() { + return "<" + getClass().getSimpleName() + ": " + externalValue() + ">"; + } + +}