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69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
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#ifndef PREFETCH_H
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#define PREFETCH_H
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#ifdef NDB_FORTE6
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#include <sun_prefetch.h>
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#endif
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#ifdef USE_PREFETCH
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#define PREFETCH(addr) prefetch(addr)
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#else
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#define PREFETCH(addr)
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#endif
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#ifdef USE_PREFETCH
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#define WRITEHINT(addr) writehint(addr)
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#else
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#define WRITEHINT(addr)
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#endif
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#include "PortDefs.h"
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#ifdef NDB_FORTE6
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#pragma optimize("", off)
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#endif
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inline void prefetch(void* p)
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{
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#ifdef NDB_ALPHA
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__asm(" ldl r31,0(a0);", p);
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#endif /* NDB_ALPHA */
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#ifdef NDB_FORTE6
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sun_prefetch_read_once(p);
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#else
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(void)p;
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#endif
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}
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inline void writehint(void* p)
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{
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#ifdef NDB_ALPHA
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__asm(" wh64 (a0);", p);
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#endif /* NDB_ALPHA */
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#ifdef NDB_FORTE6
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sun_prefetch_write_once(p);
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#else
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(void)p;
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#endif
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}
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#ifdef NDB_FORTE6
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#pragma optimize("", on)
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#endif
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#endif
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