prefetch.hpp revision 0
0N/A * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 0N/A * CA 95054 USA or visit www.sun.com if you need additional information or 0N/A * have any questions. 0N/A// If calls to prefetch methods are in a loop, the loop should be cloned 0N/A// such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval 0N/A// say not to do prefetching, these methods aren't called. At the very 0N/A// least, they take up a memory issue slot. They should be implemented 0N/A// as inline assembly code: doing an actual call isn't worth the cost. 0N/A // Prefetch anticipating read; must not fault, semantically a no-op 0N/A // Prefetch anticipating write; must not fault, semantically a no-op