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

   1 /* Intel P54 gmp-mparam.h -- Compiler/machine parameter header file.
   2
   3 Copyright 1991, 1993, 1994, 1999-2002, 2004 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
  32 #define GMP_LIMB_BITS 32
  33 #define GMP_LIMB_BYTES 4
  34
  35
  36 /* For mpn/x86/pentium/mod_1.asm */
  37 #define COUNT_LEADING_ZEROS_NEED_CLZ_TAB
  38
  39
  40 /* 166MHz P54 */
  41
  42 /* Generated by tuneup.c, 2004-02-10, gcc 2.95 */
  43
  44 #define MUL_TOOM22_THRESHOLD             16
  45 #define MUL_TOOM33_THRESHOLD             90
  46
  47 #define SQR_BASECASE_THRESHOLD            0  /* always */
  48 #define SQR_TOOM2_THRESHOLD              22
  49 #define SQR_TOOM3_THRESHOLD             122
  50
  51 #define DIV_SB_PREINV_THRESHOLD       MP_SIZE_T_MAX  /* never */
  52 #define DIV_DC_THRESHOLD                 52
  53 #define POWM_THRESHOLD                   77
  54
  55 #define HGCD_THRESHOLD                  121
  56 #define GCD_ACCEL_THRESHOLD               3
  57 #define GCD_DC_THRESHOLD                615
  58 #define JACOBI_BASE_METHOD                2
  59
  60 #define USE_PREINV_DIVREM_1               0
  61 #define USE_PREINV_MOD_1                  1  /* native */
  62 #define DIVREM_2_THRESHOLD            MP_SIZE_T_MAX  /* never */
  63 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
  64 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
  65
  66 #define GET_STR_DC_THRESHOLD             23
  67 #define GET_STR_PRECOMPUTE_THRESHOLD     33
  68 #define SET_STR_THRESHOLD              2788
  69
  70 #define MUL_FFT_TABLE  { 432, 928, 1664, 3584, 10240, 40960, 0 }
  71 #define MUL_FFT_MODF_THRESHOLD          448
  72 #define MUL_FFT_THRESHOLD              3328
  73
  74 #define SQR_FFT_TABLE  { 496, 928, 1920, 4608, 10240, 40960, 0 }
  75 #define SQR_FFT_MODF_THRESHOLD          512
  76 #define SQR_FFT_THRESHOLD              3328