annotate src/os_cpu/linux_sparc/vm/prefetch_linux_sparc.inline.hpp @ 122:435e64505015

6693457: Open-source hotspot linux-sparc support Summary: Move os_cpu/linux_sparc from closed to open Reviewed-by: kamg
author phh
date Thu, 24 Apr 2008 15:07:57 -0400
parents
children d1605aabd0a1
rev   line source
phh@122 1 /*
phh@122 2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
phh@122 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
phh@122 4 *
phh@122 5 * This code is free software; you can redistribute it and/or modify it
phh@122 6 * under the terms of the GNU General Public License version 2 only, as
phh@122 7 * published by the Free Software Foundation.
phh@122 8 *
phh@122 9 * This code is distributed in the hope that it will be useful, but WITHOUT
phh@122 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
phh@122 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
phh@122 12 * version 2 for more details (a copy is included in the LICENSE file that
phh@122 13 * accompanied this code).
phh@122 14 *
phh@122 15 * You should have received a copy of the GNU General Public License version
phh@122 16 * 2 along with this work; if not, write to the Free Software Foundation,
phh@122 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
phh@122 18 *
phh@122 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
phh@122 20 * CA 95054 USA or visit www.sun.com if you need additional information or
phh@122 21 * have any questions.
phh@122 22 *
phh@122 23 */
phh@122 24
phh@122 25 #if defined(COMPILER2) || defined(_LP64)
phh@122 26
phh@122 27 inline void Prefetch::read(void *loc, intx interval) {
phh@122 28 __asm__ volatile("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
phh@122 29 }
phh@122 30
phh@122 31 inline void Prefetch::write(void *loc, intx interval) {
phh@122 32 __asm__ volatile("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" );
phh@122 33 }
phh@122 34
phh@122 35 #else
phh@122 36
phh@122 37 inline void Prefetch::read (void *loc, intx interval) {}
phh@122 38 inline void Prefetch::write(void *loc, intx interval) {}
phh@122 39
phh@122 40 #endif