/* Generic x86 gmp-mparam.h -- Compiler/machine parameter header file. Copyright 1991, 1993, 1994, 2000, 2001, 2002 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. */ #ifndef GMP_MPARAM_H #define GMP_MPARAM_H #ifndef BITS_PER_MP_LIMB #define BITS_PER_MP_LIMB 64 #elif BITS_PER_MP_LIMB != 64 #error Bad configuration in gmp-mparam.h #endif #ifndef BYTES_PER_MP_LIMB #define BYTES_PER_MP_LIMB 8 #elif BYTES_PER_MP_LIMB != 8 #error Bad configuration in gmp-mparam.h #endif /* Generic x86 mpn_divexact_1 is faster than generic x86 mpn_divrem_1 on all of p5, p6, k6 and k7, so use it always. It's probably slower on 386 and 486, but that's too bad. */ #define DIVEXACT_1_THRESHOLD 0 /* WARNING: SQR_KARATSUBA_THRESHOLD cannot be larger than 34 when byte offsets are used within the unrolled loop in sqr_basecase.asm */ #define SQR_KARATSUBA_THRESHOLD 33 #define MUL_KARATSUBA_THRESHOLD 26 #define MUL_TOOM3_THRESHOLD 298 #define DIV_DC_THRESHOLD 88 #endif