gmp-mparam.h

The GNU MP Bignum Library

/* Alpha EV5 gmp-mparam.h -- Compiler/machine parameter header file.

Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006 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 3 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.  If not, see http://www.gnu.org/licenses/.  */

#define BITS_PER_MP_LIMB 64
#define BYTES_PER_MP_LIMB 8


/* 600 MHz 21164A */

/* Generated by tuneup.c, 2006-03-21, gcc 3.3 */

#define MUL_KARATSUBA_THRESHOLD          16
#define MUL_TOOM3_THRESHOLD              53

#define SQR_BASECASE_THRESHOLD            5
#define SQR_KARATSUBA_THRESHOLD          26
#define SQR_TOOM3_THRESHOLD              53

#define MULLOW_BASECASE_THRESHOLD         0  /* always */
#define MULLOW_DC_THRESHOLD              56
#define MULLOW_MUL_N_THRESHOLD          268

#define DIV_SB_PREINV_THRESHOLD           0  /* preinv always */
#define DIV_DC_THRESHOLD                 52
#define POWM_THRESHOLD                   89

#define GCD_ACCEL_THRESHOLD               3
#define GCDEXT_THRESHOLD                  0  /* always */
#define JACOBI_BASE_METHOD                2

#define DIVREM_1_NORM_THRESHOLD           0  /* preinv always */
#define DIVREM_1_UNNORM_THRESHOLD         0  /* always */
#define MOD_1_NORM_THRESHOLD              0  /* always */
#define MOD_1_UNNORM_THRESHOLD            0  /* always */
#define USE_PREINV_DIVREM_1               1  /* preinv always */
#define USE_PREINV_MOD_1                  1  /* preinv always */
#define DIVREM_2_THRESHOLD                0  /* preinv always */
#define DIVEXACT_1_THRESHOLD              0  /* always */
#define MODEXACT_1_ODD_THRESHOLD          0  /* always */

#define GET_STR_DC_THRESHOLD             19
#define GET_STR_PRECOMPUTE_THRESHOLD     23
#define SET_STR_THRESHOLD              4385

/* The following values are old, we only had access to GNU/Linux ev5 machines
   and the Linux kernel doesn't maintain the cycle counter properly.  */

#define MUL_FFT_TABLE  { 400, 864, 1856, 3840, 7168, 20480, 81920, 196608, 786432, 0 }
#define MUL_FFT_MODF_THRESHOLD          392
#define MUL_FFT_THRESHOLD              2176

#define SQR_FFT_TABLE  { 432, 928, 1856, 3840, 9216, 20480, 81920, 196608, 786432, 0 }
#define SQR_FFT_MODF_THRESHOLD          408
#define SQR_FFT_THRESHOLD              2688