mpir/mpn/x86_64w/fat/gmp-mparam.h

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/* Fat binary x86 gmp-mparam.h -- Compiler/machine parameter header file.
Copyright 1991, 1993, 1994, 2000, 2001, 2002, 2003 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#define BITS_PER_MP_LIMB 64
#define BYTES_PER_MP_LIMB 8
/* mpn_divexact_1 is faster than mpn_divrem_1 at all sizes. The only time
this might not be true currently is for actual 80386 and 80486 chips,
where mpn/x86/dive_1.asm might be slower than mpn/x86/divrem_1.asm, but
that's not worth worrying about. */
#define DIVEXACT_1_THRESHOLD 0
/* Only some of the x86s have an mpn_preinv_divrem_1, but we set
USE_PREINV_DIVREM_1 so that all callers use it, and then let the
__gmpn_cpuvec pointer go to plain mpn_divrem_1 if there's not an actual
preinv. */
#define USE_PREINV_DIVREM_1 1
/* mpn_sqr_basecase is faster than mpn_mul_basecase at all sizes, no need
for mpn_sqr_n to call the latter. */
#define SQR_BASECASE_THRESHOLD 0
/* Sensible fallbacks for these, when not taken from a cpu-specific
gmp-mparam.h. */
#define MUL_KARATSUBA_THRESHOLD 20
#define MUL_TOOM3_THRESHOLD 130
#define MUL_TOOM4_THRESHOLD 426
#define MUL_TOOM7_THRESHOLD 507
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#define SQR_KARATSUBA_THRESHOLD 30
#define SQR_TOOM3_THRESHOLD 200
#define SQR_TOOM4_THRESHOLD 662
#define SQR_TOOM7_THRESHOLD 1300
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#define MUL_FFT_FULL_THRESHOLD 3520
#define SQR_FFT_FULL_THRESHOLD 2016
/* fft_tuning -- autogenerated by tune-fft */
#define FFT_TAB \
{ { 4, 3 }, { 3, 3 }, { 2, 2 }, { 2, 1 }, { 1, 0 } }
#define MULMOD_TAB \
{ 4, 3, 3, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1 }
#define FFT_N_NUM 19
#define FFT_MULMOD_2EXPP1_CUTOFF 128
/* Tuneup completed successfully, took 152 seconds */