source/libs/gmp/gmp-src/mpn/arm/v6/gmp-mparam.h

   1 /* gmp-mparam.h -- Compiler/machine parameter header file.
   2
   3 Copyright 1991, 1993, 1994, 1999-2003, 2009, 2010, 2012, 2015 Free Software
   4 Foundation, Inc.
   5
   6 This file is part of the GNU MP Library.
   7
   8 The GNU MP Library is free software; you can redistribute it and/or modify
   9 it under the terms of either:
  10
  11   * the GNU Lesser General Public License as published by the Free
  12     Software Foundation; either version 3 of the License, or (at your
  13     option) any later version.
  14
  15 or
  16
  17   * the GNU General Public License as published by the Free Software
  18     Foundation; either version 2 of the License, or (at your option) any
  19     later version.
  20
  21 or both in parallel, as here.
  22
  23 The GNU MP Library is distributed in the hope that it will be useful, but
  24 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  25 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  26 for more details.
  27
  28 You should have received copies of the GNU General Public License and the
  29 GNU Lesser General Public License along with the GNU MP Library.  If not,
  30 see https://www.gnu.org/licenses/.  */
  31
  32 #define GMP_LIMB_BITS 32
  33 #define GMP_LIMB_BYTES 4
  34
  35 /* 700 MHz ARM11 (raspberry pi) */
  36 /* FFT tuning limit = 10 M */
  37 /* Generated by tuneup.c, 2015-10-05, gcc 4.6 */
  38
  39 #define DIVREM_1_NORM_THRESHOLD              0  /* preinv always */
  40 #define DIVREM_1_UNNORM_THRESHOLD            0  /* always */
  41 #define MOD_1_NORM_THRESHOLD                 0  /* always */
  42 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
  43 #define MOD_1N_TO_MOD_1_1_THRESHOLD          3
  44 #define MOD_1U_TO_MOD_1_1_THRESHOLD          6
  45 #define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
  46 #define MOD_1_2_TO_MOD_1_4_THRESHOLD     MP_SIZE_T_MAX
  47 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     19
  48 #define USE_PREINV_DIVREM_1                  1  /* preinv always */
  49 #define DIV_QR_1N_PI1_METHOD                 1
  50 #define DIV_QR_1_NORM_THRESHOLD          MP_SIZE_T_MAX  /* never */
  51 #define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
  52 #define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
  53 #define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
  54 #define BMOD_1_TO_MOD_1_THRESHOLD           39
  55
  56 #define MUL_TOOM22_THRESHOLD                44
  57 #define MUL_TOOM33_THRESHOLD               138
  58 #define MUL_TOOM44_THRESHOLD               517
  59 #define MUL_TOOM6H_THRESHOLD                 0  /* always */
  60 #define MUL_TOOM8H_THRESHOLD               692
  61
  62 #define MUL_TOOM32_TO_TOOM43_THRESHOLD     141
  63 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     407
  64 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     132
  65 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     211
  66 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     225
  67
  68 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
  69 #define SQR_TOOM2_THRESHOLD                 56
  70 #define SQR_TOOM3_THRESHOLD                173
  71 #define SQR_TOOM4_THRESHOLD                711
  72 #define SQR_TOOM6_THRESHOLD                  0  /* always */
  73 #define SQR_TOOM8_THRESHOLD                915
  74
  75 #define MULMID_TOOM42_THRESHOLD             70
  76
  77 #define MULMOD_BNM1_THRESHOLD               24
  78 #define SQRMOD_BNM1_THRESHOLD               28
  79
  80 #define MUL_FFT_MODF_THRESHOLD             560  /* k = 5 */
  81 #define MUL_FFT_TABLE3                                      \
  82   { {    560, 5}, {     27, 6}, {     15, 5}, {     31, 6}, \
  83     {     28, 7}, {     15, 6}, {     33, 7}, {     17, 6}, \
  84     {     36, 7}, {     19, 6}, {     39, 7}, {     23, 6}, \
  85     {     47, 7}, {     25, 6}, {     51, 7}, {     27, 6}, \
  86     {     55, 7}, {     29, 8}, {     15, 7}, {     37, 8}, \
  87     {     19, 7}, {     43, 8}, {     23, 7}, {     51, 8}, \
  88     {     27, 7}, {     55, 8}, {     31, 7}, {     63, 8}, \
  89     {     35, 7}, {     71, 8}, {     43, 9}, {     23, 8}, \
  90     {     55, 9}, {     31, 8}, {     71, 9}, {     39, 8}, \
  91     {     83, 9}, {     47, 8}, {     99, 9}, {     55,10}, \
  92     {     31, 9}, {     79,10}, {     47, 9}, {    103,11}, \
  93     {     31,10}, {     63, 9}, {    135,10}, {     79, 9}, \
  94     {    159,10}, {     95, 9}, {    191,10}, {    111,11}, \
  95     {     63,10}, {    159,11}, {     95,10}, {    207,12}, \
  96     {     63,11}, {    127,10}, {    255, 9}, {    511,10}, \
  97     {    271,11}, {    159,10}, {    335,11}, {    191,10}, \
  98     {    399,11}, {    223,12}, {    127,11}, {    255,10}, \
  99     {    511,11}, {    287,10}, {    575,11}, {    319,10}, \
 100     {    639,11}, {    351,12}, {    191,11}, {    383,10}, \
 101     {    767,11}, {    415,13}, {    127,12}, {    255,11}, \
 102     {    575,12}, {    319,11}, {    703,12}, {    383,11}, \
 103     {    799,12}, {    447,13}, {    255,12}, {    511,11}, \
 104     {   1023,12}, {    575,11}, {   1151,12}, {    703,13}, \
 105     {    383,12}, {    831,14}, {    255,13}, {    511,12}, \
 106     {   1151,13}, {    639,12}, {   1343,13}, {    767,12}, \
 107     {   1599,13}, {    895,14}, {    511,13}, {   1023,12}, \
 108     {   2111,13}, {   1151,12}, {   2367,13}, {   8192,14}, \
 109     {  16384,15}, {  32768,16} }
 110 #define MUL_FFT_TABLE3_SIZE 110
 111 #define MUL_FFT_THRESHOLD                 5760
 112
 113 #define SQR_FFT_MODF_THRESHOLD             505  /* k = 5 */
 114 #define SQR_FFT_TABLE3                                      \
 115   { {    505, 5}, {     27, 6}, {     15, 5}, {     31, 6}, \
 116     {     29, 7}, {     15, 6}, {     33, 7}, {     17, 6}, \
 117     {     35, 7}, {     19, 6}, {     40, 7}, {     23, 6}, \
 118     {     47, 7}, {     29, 8}, {     15, 7}, {     37, 8}, \
 119     {     19, 7}, {     43, 8}, {     23, 7}, {     49, 8}, \
 120     {     27, 7}, {     55, 8}, {     31, 7}, {     63, 8}, \
 121     {     43, 9}, {     23, 8}, {     55, 9}, {     31, 8}, \
 122     {     71, 9}, {     39, 8}, {     83, 9}, {     47, 8}, \
 123     {     99, 9}, {     55,10}, {     31, 9}, {     79,10}, \
 124     {     47, 9}, {    103,11}, {     31,10}, {     63, 9}, \
 125     {    135,10}, {     79, 9}, {    159,10}, {     95, 9}, \
 126     {    191,10}, {    111,11}, {     63,10}, {    127, 9}, \
 127     {    255,10}, {    143, 9}, {    287,10}, {    159,11}, \
 128     {     95,10}, {    191, 9}, {    383,12}, {     63,11}, \
 129     {    127,10}, {    255, 9}, {    511,10}, {    271, 9}, \
 130     {    543,10}, {    287,11}, {    159,10}, {    351,11}, \
 131     {    191,10}, {    415,11}, {    223,12}, {    127,11}, \
 132     {    255,10}, {    543,11}, {    287,10}, {    607,11}, \
 133     {    319,10}, {    639,11}, {    351,12}, {    191,11}, \
 134     {    383,10}, {    767,11}, {    415,13}, {    127,12}, \
 135     {    255,11}, {    607,12}, {    319,11}, {    703,12}, \
 136     {    383,11}, {    831,12}, {    447,13}, {    255,12}, \
 137     {    511,11}, {   1023,12}, {    703,13}, {    383,12}, \
 138     {    831,14}, {    255,13}, {    511,12}, {   1087,13}, \
 139     {    639,12}, {   1343,13}, {    767,12}, {   1599,13}, \
 140     {    895,14}, {    511,13}, {   1023,12}, {   2111,13}, \
 141     {   1151,12}, {   2431,13}, {   8192,14}, {  16384,15}, \
 142     {  32768,16} }
 143 #define SQR_FFT_TABLE3_SIZE 109
 144 #define SQR_FFT_THRESHOLD                 4672
 145
 146 #define MULLO_BASECASE_THRESHOLD             0  /* always */
 147 #define MULLO_DC_THRESHOLD                  55
 148 #define MULLO_MUL_N_THRESHOLD            11278
 149 #define SQRLO_BASECASE_THRESHOLD             8
 150 #define SQRLO_DC_THRESHOLD                  51
 151 #define SQRLO_SQR_THRESHOLD               8907
 152
 153 #define DC_DIV_QR_THRESHOLD                 46
 154 #define DC_DIVAPPR_Q_THRESHOLD             148
 155 #define DC_BDIV_QR_THRESHOLD                57
 156 #define DC_BDIV_Q_THRESHOLD                160
 157
 158 #define INV_MULMOD_BNM1_THRESHOLD           86
 159 #define INV_NEWTON_THRESHOLD               138
 160 #define INV_APPR_THRESHOLD                 139
 161
 162 #define BINV_NEWTON_THRESHOLD              216
 163 #define REDC_1_TO_REDC_2_THRESHOLD           6
 164 #define REDC_2_TO_REDC_N_THRESHOLD         124
 165
 166 #define MU_DIV_QR_THRESHOLD               2642
 167 #define MU_DIVAPPR_Q_THRESHOLD            2492
 168 #define MUPI_DIV_QR_THRESHOLD               74
 169 #define MU_BDIV_QR_THRESHOLD              2130
 170 #define MU_BDIV_Q_THRESHOLD               2541
 171
 172 #define POWM_SEC_TABLE  5,26,143,446
 173
 174 #define GET_STR_DC_THRESHOLD                20
 175 #define GET_STR_PRECOMPUTE_THRESHOLD        39
 176 #define SET_STR_DC_THRESHOLD               527
 177 #define SET_STR_PRECOMPUTE_THRESHOLD      1069
 178
 179 #define FAC_DSC_THRESHOLD                  430
 180 #define FAC_ODD_THRESHOLD                   55
 181
 182 #define MATRIX22_STRASSEN_THRESHOLD         23
 183 #define HGCD_THRESHOLD                      79
 184 #define HGCD_APPR_THRESHOLD                 71
 185 #define HGCD_REDUCE_THRESHOLD             3810
 186 #define GCD_DC_THRESHOLD                   283
 187 #define GCDEXT_DC_THRESHOLD                253
 188 #define JACOBI_BASE_METHOD                   1