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Cherrypick from master 1991-04-04 18:19:53 UTC K. Richard Pixley <rich@cygnus> 'Initial revision': gas/COPYING gas/ChangeLog gas/Makefile.in gas/README gas/app.c gas/as.c gas/as.h gas/atof-generic.c gas/bignum-copy.c gas/bignum.h gas/cond.c gas/config/atof-ieee.c gas/config/atof-vax.c gas/config/obj-aout.c gas/config/obj-aout.h gas/config/obj-bout.c gas/config/obj-bout.h gas/config/obj-coff.c gas/config/obj-coff.h gas/config/tc-a29k.c gas/config/tc-a29k.h gas/config/tc-generic.c gas/config/tc-generic.h gas/config/tc-i386.c gas/config/tc-i386.h gas/config/tc-i860.c gas/config/tc-i860.h gas/config/tc-i960.c gas/config/tc-i960.h gas/config/tc-m68851.h gas/config/tc-m68k.c gas/config/tc-m68k.h gas/config/tc-ns32k.c gas/config/tc-ns32k.h gas/config/tc-sparc.c gas/config/tc-sparc.h gas/config/tc-vax.c gas/config/tc-vax.h gas/config/te-generic.h gas/config/te-ic960.h gas/config/te-sun3.h gas/config/vax-inst.h gas/configure gas/configure.in gas/debug.c gas/expr.c gas/expr.h gas/flonum-copy.c gas/flonum-mult.c gas/flonum.h gas/frags.c gas/frags.h gas/hash.c gas/hash.h gas/input-file.c gas/input-file.h gas/input-scrub.c gas/messages.c gas/obj.h gas/output-file.c gas/output-file.h gas/read.c gas/read.h gas/struc-symbol.h gas/subsegs.c gas/subsegs.h gas/symbols.c gas/symbols.h gas/tc.h gas/write.c gas/write.h ld/ld.h ld/ldexp.c ld/ldfile.c ld/ldfile.h ld/ldlang.h ld/ldlex.h ld/ldmain.h ld/ldmisc.h ld/ldwrite.h Cherrypick from master 1991-03-21 21:29:06 UTC David Henkel-Wallace <gumby@cygnus> 'Initial revision': ld/ldexp.h ld/ldgram.y ld/ldlang.c ld/ldlex.l ld/ldmain.c ld/ldmisc.c ld/ldwrite.c Cherrypick from master 1991-01-17 15:34:55 UTC Roland Pesch <pesch@cygnus> 'Initial revision': gas/doc/as.texinfo
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
/* bignum.h-arbitrary precision integers
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Copyright (C) 1987 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS 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 1, or (at your option)
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any later version.
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GAS 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 GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/***********************************************************************\
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* *
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* Arbitrary-precision integer arithmetic. *
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* For speed, we work in groups of bits, even though this *
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* complicates algorithms. *
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* Each group of bits is called a 'littlenum'. *
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* A bunch of littlenums representing a (possibly large) *
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* integer is called a 'bignum'. *
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* Bignums are >= 0. *
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* *
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\***********************************************************************/
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#define LITTLENUM_NUMBER_OF_BITS (16)
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#define LITTLENUM_RADIX (1 << LITTLENUM_NUMBER_OF_BITS)
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#define LITTLENUM_MASK (0xFFFF)
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#define LITTLENUM_SHIFT (1)
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#define CHARS_PER_LITTLENUM (1 << LITTLENUM_SHIFT)
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#ifndef BITS_PER_CHAR
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#define BITS_PER_CHAR (8)
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#endif
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typedef unsigned short LITTLENUM_TYPE;
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/* JF truncated this to get around a problem with GCC */
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#define LOG_TO_BASE_2_OF_10 (3.3219280948873623478703194294893901758651 )
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/* WARNING: I haven't checked that the trailing digits are correct! */
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/* end: bignum.h */
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