106 lines
2.1 KiB
C
106 lines
2.1 KiB
C
/* 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_ */
|