/*

 * Copyright (c) 2003, 2010, 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.

 *

 */

#ifndef OS_CPU_LINUX_X86_VM_PREFETCH_LINUX_X86_INLINE_HPP

#define OS_CPU_LINUX_X86_VM_PREFETCH_LINUX_X86_INLINE_HPP

#include "runtime/prefetch.hpp"

inline void Prefetch::read (void *loc, intx interval) {

#ifdef AMD64

  __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval));

#endif // AMD64

}

inline void Prefetch::write(void *loc, intx interval) {

#ifdef AMD64

  // Do not use the 3dnow prefetchw instruction.  It isn't supported on em64t.

  //  __asm__ ("prefetchw (%0,%1,1)" : : "r" (loc), "r" (interval));

  __asm__ ("prefetcht0 (%0,%1,1)" : : "r" (loc), "r" (interval));

#endif // AMD64

}

#endif // OS_CPU_LINUX_X86_VM_PREFETCH_LINUX_X86_INLINE_HPP