1 files changed, 69 insertions, 0 deletions
diff --git a/ndb/include/portlib/prefetch.h b/ndb/include/portlib/prefetch.h
new file mode 100644
index 00000000000..d663dd4c40d
--- /dev/null
+++ b/ndb/include/portlib/prefetch.h
@@ -0,0 +1,69 @@
+/* Copyright (C) 2003 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef PREFETCH_H
+#define PREFETCH_H
+
+#ifdef NDB_FORTE6
+#include <sun_prefetch.h>
+#endif
+
+#ifdef USE_PREFETCH
+#define PREFETCH(addr) prefetch(addr)
+#else
+#define PREFETCH(addr)
+#endif
+
+#ifdef USE_PREFETCH
+#define WRITEHINT(addr) writehint(addr)
+#else
+#define WRITEHINT(addr)
+#endif
+
+#include "PortDefs.h"
+
+#ifdef NDB_FORTE6
+#pragma optimize("", off)
+#endif
+inline void prefetch(void* p)
+{
+#ifdef NDB_ALPHA
+   __asm(" ldl r31,0(a0);", p);
+#endif // NDB_ALPHA
+#ifdef NDB_FORTE6
+  sparc_prefetch_read_once(p);
+#else 
+  (void)p;
+#endif
+}
+
+inline void writehint(void* p)
+{
+#ifdef NDB_ALPHA
+   __asm(" wh64 (a0);", p);
+#endif // NDB_ALPHA
+#ifdef NDB_FORTE6
+  sparc_prefetch_write_once(p);
+#else
+  (void)p;
+#endif
+}
+#ifdef NDB_FORTE6
+#pragma optimize("", on)
+#endif
+
+#endif
+