source/libs/gmp/gmp-src/mpn/x86/i486/gmp-mparam.h

   1 /* 80486 gmp-mparam.h -- Compiler/machine parameter header file.
   2
   3 Copyright 2001-2003 Free Software Foundation, Inc.
   4
   5 This file is part of the GNU MP Library.
   6
   7 The GNU MP Library is free software; you can redistribute it and/or modify
   8 it under the terms of either:
   9
  10   * the GNU Lesser General Public License as published by the Free
  11     Software Foundation; either version 3 of the License, or (at your
  12     option) any later version.
  13
  14 or
  15
  16   * the GNU General Public License as published by the Free Software
  17     Foundation; either version 2 of the License, or (at your option) any
  18     later version.
  19
  20 or both in parallel, as here.
  21
  22 The GNU MP Library is distributed in the hope that it will be useful, but
  23 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  24 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  25 for more details.
  26
  27 You should have received copies of the GNU General Public License and the
  28 GNU Lesser General Public License along with the GNU MP Library.  If not,
  29 see https://www.gnu.org/licenses/.  */
  30
  31 #define GMP_LIMB_BITS 32
  32 #define GMP_LIMB_BYTES 4
  33
  34
  35 /* 100MHz DX4 */
  36
  37 /* Generated by tuneup.c, 2003-02-13, gcc 2.95 */
  38
  39 #define MUL_TOOM22_THRESHOLD             18
  40 #define MUL_TOOM33_THRESHOLD            228
  41
  42 #define SQR_BASECASE_THRESHOLD           13
  43 #define SQR_TOOM2_THRESHOLD              49
  44 #define SQR_TOOM3_THRESHOLD             238
  45
  46 #define DIV_SB_PREINV_THRESHOLD       MP_SIZE_T_MAX  /* never */
  47 #define DIV_DC_THRESHOLD                 72
  48 #define POWM_THRESHOLD                   38
  49
  50 #define GCD_ACCEL_THRESHOLD               3
  51 #define JACOBI_BASE_METHOD                2
  52
  53 #define USE_PREINV_DIVREM_1               0
  54 #define USE_PREINV_MOD_1                  0
  55 #define DIVREM_2_THRESHOLD            MP_SIZE_T_MAX  /* never */
  56 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
  57 #define MODEXACT_1_ODD_THRESHOLD         17
  58
  59 #define GET_STR_DC_THRESHOLD             32
  60 #define GET_STR_PRECOMPUTE_THRESHOLD     82
  61 #define SET_STR_THRESHOLD              3524
  62
  63 #define MUL_FFT_TABLE  { 464, 928, 1920, 4608, 10240, 40960, 0 }
  64 #define MUL_FFT_MODF_THRESHOLD          392
  65 #define MUL_FFT_THRESHOLD              2816
  66
  67 #define SQR_FFT_TABLE  { 432, 928, 1920, 4608, 14336, 40960, 0 }
  68 #define SQR_FFT_MODF_THRESHOLD          392
  69 #define SQR_FFT_THRESHOLD              2816