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/* This file is part of the program psim.
Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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 _SIM_BITS_C_
#define _SIM_BITS_C_
#include "sim-basics.h"
#include "sim-assert.h"
INLINE_SIM_BITS\
(unsigned_word)
MASKED(unsigned_word val,
unsigned start,
unsigned stop)
{
return ((val) & MASK(start, stop));
}
INLINE_SIM_BITS\
(unsigned_word)
LSMASKED(unsigned_word val,
unsigned nr_bits)
{
return MASKED(val,
WITH_TARGET_WORD_BITSIZE - nr_bits,
WITH_TARGET_WORD_BITSIZE - 1);
}
INLINE_SIM_BITS\
(unsigned_word)
EXTRACTED(unsigned_word val,
unsigned start,
unsigned stop)
{
ASSERT(start <= stop);
#if (WITH_TARGET_WORD_BITSIZE == 64)
return EXTRACTED64(val, start, stop);
#endif
#if (WITH_TARGET_WORD_BITSIZE == 32)
if (stop < 32)
return 0;
else
return ((val >> (63 - stop))
& MASK(start+(63-stop), 63));
#endif
}
INLINE_SIM_BITS\
(unsigned_word)
INSERTED(unsigned_word val,
unsigned start,
unsigned stop)
{
ASSERT(start <= stop);
#if (WITH_TARGET_WORD_BITSIZE == 64)
return INSERTED64(val, start, stop);
#endif
#if (WITH_TARGET_WORD_BITSIZE == 32)
if (stop < 32)
return 0;
else
return ((val & MASK(start+(63-stop), 63))
<< (63 - stop));
#endif
}
#define N 16
#include "sim-n-bits.h"
#undef N
#define N 32
#include "sim-n-bits.h"
#undef N
#define N 64
#include "sim-n-bits.h"
#undef N
#endif /* _SIM_BITS_C_ */
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