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Diffstat (limited to 'mpn/x86/gmp-mparam.h')
-rw-r--r-- | mpn/x86/gmp-mparam.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/mpn/x86/gmp-mparam.h b/mpn/x86/gmp-mparam.h new file mode 100644 index 000000000..2fd7820ba --- /dev/null +++ b/mpn/x86/gmp-mparam.h @@ -0,0 +1,41 @@ +/* Generic x86 gmp-mparam.h -- Compiler/machine parameter header file. + +Copyright 1991, 1993, 1994, 2000, 2001 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at your +option) any later version. + +The GNU MP Library 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 Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#define BITS_PER_MP_LIMB 32 +#define BYTES_PER_MP_LIMB 4 + + +/* close-ish for p5 and up, though 386/486 are much slower */ +#ifndef UMUL_TIME +#define UMUL_TIME 10 /* cycles */ +#endif + +/* about right for most x86s */ +#ifndef UDIV_TIME +#define UDIV_TIME 40 /* cycles */ +#endif + +/* udiv_qrnnd_preinv is a bit complicated and doesn't really suit the x86s + without careful assembler coding, so mark it as slower then plain + division. */ +#ifndef UDIV_NORM_PREINV_TIME +#define UDIV_NORM_PREINV_TIME 50 /* cycles */ +#endif |