1 /*
   2  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP
  26 #define OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP
  27 
  28 #include "runtime/prefetch.hpp"
  29 
  30 // For Sun Studio inplementation is in solaris_sparc.il
  31 // For gcc inplementation is just below
  32 extern "C" void _Prefetch_read (void *loc, intx interval);
  33 extern "C" void _Prefetch_write(void *loc, intx interval);
  34 
  35 inline void Prefetch::read(void *loc, intx interval) {
  36   _Prefetch_read(loc, interval);
  37 }
  38 
  39 inline void Prefetch::write(void *loc, intx interval) {
  40   _Prefetch_write(loc, interval);
  41 }
  42 
  43 #ifdef _GNU_SOURCE
  44 extern "C" {
  45   inline void _Prefetch_read (void *loc, intx interval) {
  46     __asm__ volatile
  47       ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
  48   }
  49   inline void _Prefetch_write(void *loc, intx interval) {
  50     __asm__ volatile
  51       ("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" );
  52   }
  53 }
  54 #endif // _GNU_SOURCE
  55 
  56 #endif // OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP