105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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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; either version 2 of the License, or
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(at your option) any later version.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _SIM_BITS_C_
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#define _SIM_BITS_C_
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#include "sim-basics.h"
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#include "sim-assert.h"
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INLINE_SIM_BITS\
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(unsigned_word)
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MASKED(unsigned_word val,
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unsigned start,
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unsigned stop)
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{
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return ((val) & MASK(start, stop));
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}
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INLINE_SIM_BITS\
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(unsigned_word)
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LSMASKED(unsigned_word val,
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unsigned nr_bits)
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{
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return MASKED(val,
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WITH_TARGET_WORD_BITSIZE - nr_bits,
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WITH_TARGET_WORD_BITSIZE - 1);
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}
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INLINE_SIM_BITS\
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(unsigned_word)
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EXTRACTED(unsigned_word val,
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unsigned start,
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unsigned stop)
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{
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ASSERT(start <= stop);
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#if (WITH_TARGET_WORD_BITSIZE == 64)
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return EXTRACTED64(val, start, stop);
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#endif
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#if (WITH_TARGET_WORD_BITSIZE == 32)
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if (stop < 32)
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return 0;
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else
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return ((val >> (63 - stop))
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& MASK(start+(63-stop), 63));
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#endif
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}
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INLINE_SIM_BITS\
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(unsigned_word)
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INSERTED(unsigned_word val,
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unsigned start,
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unsigned stop)
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{
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ASSERT(start <= stop);
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#if (WITH_TARGET_WORD_BITSIZE == 64)
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return INSERTED64(val, start, stop);
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#endif
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#if (WITH_TARGET_WORD_BITSIZE == 32)
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if (stop < 32)
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return 0;
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else
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return ((val & MASK(start+(63-stop), 63))
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<< (63 - stop));
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#endif
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}
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#define N 16
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#include "sim-n-bits.h"
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#undef N
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#define N 32
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#include "sim-n-bits.h"
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#undef N
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#define N 64
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#include "sim-n-bits.h"
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#undef N
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#endif /* _SIM_BITS_C_ */
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