/*

 * Copyright 2003-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

#if defined(COMPILER2) || defined(_LP64)

// For Sun Studio inplementation is in solaris_sparc.il

// For gcc inplementation is just below

extern "C" void _Prefetch_read (void *loc, intx interval);

extern "C" void _Prefetch_write(void *loc, intx interval);

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

  _Prefetch_read(loc, interval);

}

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

  _Prefetch_write(loc, interval);

}

#ifdef _GNU_SOURCE

extern "C" {

  inline void _Prefetch_read (void *loc, intx interval) {

    __asm__ volatile

      ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );

  }

  inline void _Prefetch_write(void *loc, intx interval) {

    __asm__ volatile

      ("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" );

  }

}

#endif // _GNU_SOURCE

#else  // defined(COMPILER2) || defined(_LP64)

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

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

#endif // defined(COMPILER2) || defined(_LP64)