Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/PrimitiveStamp.java @ 17430:ad62445b46b0
Revert 9010170f942f: better stamps for I2F, I2D, L2F and L2D operations
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 14 Oct 2014 12:12:01 +0200 |
parents | ec35bb4eccb8 |
children | a3a2359ac88e |
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/* * Copyright (c) 2014, 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.compiler.common.type; /** * Type describing primitive values. */ public abstract class PrimitiveStamp extends ArithmeticStamp { private final int bits; protected PrimitiveStamp(int bits, ArithmeticOpTable ops) { super(ops); this.bits = bits; } /** * The width in bits of the value described by this stamp. */ public int getBits() { return bits; } public static int getBits(Stamp stamp) { if (stamp instanceof PrimitiveStamp) { return ((PrimitiveStamp) stamp).getBits(); } else { return 0; } } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + bits; return result; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!(obj instanceof PrimitiveStamp)) { return false; } PrimitiveStamp other = (PrimitiveStamp) obj; if (bits != other.bits) { return false; } return super.equals(obj); } }