1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29// modified by Dan Gibson on 05/20/05 to accomidate FASTER 30// >32 set lengths, using an array of ints w/ 32 bits/int 31 32#ifndef __MEM_RUBY_COMMON_SET_HH__ 33#define __MEM_RUBY_COMMON_SET_HH__ 34 35#include <iostream> 36#include <limits> 37 38#include "mem/ruby/common/TypeDefines.hh" 39 40/* 41 * This defines the number of longs (32-bits on 32 bit machines, 42 * 64-bit on 64-bit AMD machines) to use to hold the set... 43 * the default is 4, allowing 128 or 256 different members 44 * of the set. 45 * 46 * This should never need to be changed for correctness reasons, 47 * though increasing it will increase performance for larger 48 * set sizes at the cost of a (much) larger memory footprint 49 * 50 */ 51const int NUMBER_WORDS_PER_SET = 1; 52 53class Set 54{ 55 private: 56 int m_nSize; // the number of bits in this set 57 int m_nArrayLen; // the number of 32-bit words that are 58 // held in the array 59 60 // Changed 5/24/05 for static allocation of array 61 // note that "long" corresponds to 32 bits on a 32-bit machine, 62 // 64 bits if the -m64 parameter is passed to g++, which it is 63 // for an AMD opteron under our configuration 64
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