source/libs/gmp/gmp-src/mpn/arm/v7a/cora7/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 /* 900 MHz Cortex-A7 (raspberry pi2) */
  36 /* FFT tuning limit = 25 M */
  37 /* Generated by tuneup.c, 2015-05-15, gcc 4.6 */
  38
  39 #define MOD_1_NORM_THRESHOLD                 0  /* always */
  40 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
  41 #define MOD_1N_TO_MOD_1_1_THRESHOLD          3
  42 #define MOD_1U_TO_MOD_1_1_THRESHOLD          6
  43 #define MOD_1_1_TO_MOD_1_2_THRESHOLD         7
  44 #define MOD_1_2_TO_MOD_1_4_THRESHOLD     MP_SIZE_T_MAX
  45 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     18
  46 #define USE_PREINV_DIVREM_1                  1  /* native */
  47 #define DIV_QR_1N_PI1_METHOD                 1
  48 #define DIV_QR_1_NORM_THRESHOLD             16
  49 #define DIV_QR_1_UNNORM_THRESHOLD            1
  50 #define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
  51 #define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
  52 #define BMOD_1_TO_MOD_1_THRESHOLD           47
  53
  54 #define MUL_TOOM22_THRESHOLD                39
  55 #define MUL_TOOM33_THRESHOLD               129
  56 #define MUL_TOOM44_THRESHOLD               195
  57 #define MUL_TOOM6H_THRESHOLD               414
  58 #define MUL_TOOM8H_THRESHOLD               478
  59
  60 #define MUL_TOOM32_TO_TOOM43_THRESHOLD     129
  61 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     183
  62 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     129
  63 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     145
  64 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     191
  65
  66 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
  67 #define SQR_TOOM2_THRESHOLD                 52
  68 #define SQR_TOOM3_THRESHOLD                162
  69 #define SQR_TOOM4_THRESHOLD                280
  70 #define SQR_TOOM6_THRESHOLD                399
  71 #define SQR_TOOM8_THRESHOLD                567
  72
  73 #define MULMID_TOOM42_THRESHOLD             58
  74
  75 #define MULMOD_BNM1_THRESHOLD               22
  76 #define SQRMOD_BNM1_THRESHOLD               27
  77
  78 #define MUL_FFT_MODF_THRESHOLD             636  /* k = 5 */
  79 #define MUL_FFT_TABLE3                                      \
  80   { {    636, 5}, {     28, 6}, {     15, 5}, {     31, 6}, \
  81     {     29, 7}, {     15, 6}, {     33, 7}, {     17, 6}, \
  82     {     35, 7}, {     19, 6}, {     39, 7}, {     29, 8}, \
  83     {     15, 7}, {     35, 8}, {     19, 7}, {     43, 8}, \
  84     {     23, 7}, {     49, 8}, {     27, 7}, {     55, 8}, \
  85     {     31, 7}, {     63, 8}, {     43, 9}, {     23, 8}, \
  86     {     55, 9}, {     31, 8}, {     67, 9}, {     39, 8}, \
  87     {     83, 9}, {     47, 8}, {     95, 9}, {     55,10}, \
  88     {     31, 9}, {     79,10}, {     47, 9}, {    103,11}, \
  89     {     31,10}, {     63, 9}, {    135,10}, {     79, 9}, \
  90     {    159,10}, {     95, 9}, {    191,10}, {    111,11}, \
  91     {     63,10}, {    159,11}, {     95,10}, {    191,12}, \
  92     {     63,11}, {    127,10}, {    255, 9}, {    511,10}, \
  93     {    271, 9}, {    543,11}, {    159,10}, {    319, 9}, \
  94     {    639,10}, {    335, 9}, {    671,11}, {    191,10}, \
  95     {    383, 9}, {    767,10}, {    399, 9}, {    799,11}, \
  96     {    223,12}, {    127,11}, {    255,10}, {    543,11}, \
  97     {    287,10}, {    607,11}, {    319,10}, {    671,11}, \
  98     {    351,12}, {    191,11}, {    383,10}, {    799,11}, \
  99     {    415,13}, {    127,12}, {    255,11}, {    543,10}, \
 100     {   1087,11}, {    607,12}, {    319,11}, {    735,12}, \
 101     {    383,11}, {    863,12}, {    447,11}, {    959,13}, \
 102     {    255,12}, {    511,11}, {   1087,12}, {    575,11}, \
 103     {   1215,12}, {    703,13}, {    383,12}, {    767,11}, \
 104     {   1535,12}, {    959,14}, {    255,13}, {    511,12}, \
 105     {   1215,13}, {    639,12}, {   1471,13}, {    767,12}, \
 106     {   1663,13}, {    895,12}, {   1855,14}, {    511,13}, \
 107     {   1023,12}, {   2111,13}, {   1151,12}, {   2431,13}, \
 108     {   1407,14}, {    767,13}, {   1663,12}, {   3327,13}, \
 109     {   1791,15}, {    511,14}, {   1023,13}, {   2431,14}, \
 110     {   1279,13}, {   2815,14}, {  16384,15}, {  32768,16} }
 111 #define MUL_FFT_TABLE3_SIZE 124
 112 #define MUL_FFT_THRESHOLD                 5760
 113
 114 #define SQR_FFT_MODF_THRESHOLD             555  /* k = 5 */
 115 #define SQR_FFT_TABLE3                                      \
 116   { {    555, 5}, {     28, 6}, {     15, 5}, {     31, 6}, \
 117     {     29, 7}, {     15, 6}, {     33, 7}, {     17, 6}, \
 118     {     36, 7}, {     19, 6}, {     39, 7}, {     29, 8}, \
 119     {     15, 7}, {     35, 8}, {     19, 7}, {     43, 8}, \
 120     {     23, 7}, {     49, 8}, {     31, 7}, {     63, 8}, \
 121     {     43, 9}, {     23, 8}, {     55, 9}, {     31, 8}, \
 122     {     67, 9}, {     39, 8}, {     79, 9}, {     47, 8}, \
 123     {     95, 9}, {     55,10}, {     31, 9}, {     79,10}, \
 124     {     47, 9}, {     95,11}, {     31,10}, {     63, 9}, \
 125     {    135,10}, {     79, 9}, {    159,10}, {     95, 9}, \
 126     {    191,10}, {    111,11}, {     63,10}, {    143, 9}, \
 127     {    287,10}, {    159,11}, {     95,10}, {    191,12}, \
 128     {     63,11}, {    127,10}, {    255, 9}, {    511, 8}, \
 129     {   1023, 9}, {    543,10}, {    287,11}, {    159,10}, \
 130     {    319, 9}, {    639,10}, {    335, 9}, {    671,10}, \
 131     {    351,11}, {    191,10}, {    383, 9}, {    767,10}, \
 132     {    399, 9}, {    799,10}, {    415,12}, {    127,11}, \
 133     {    255,10}, {    511, 9}, {   1023,10}, {    543,11}, \
 134     {    287,10}, {    607,11}, {    319,10}, {    671,11}, \
 135     {    351,12}, {    191,11}, {    383,10}, {    799,11}, \
 136     {    415,10}, {    831,13}, {    127,12}, {    255,11}, \
 137     {    511,10}, {   1023,11}, {    543,10}, {   1087,11}, \
 138     {    607,12}, {    319,11}, {    735,12}, {    383,11}, \
 139     {    863,12}, {    447,11}, {    991,12}, {    511,11}, \
 140     {   1087,12}, {    575,11}, {   1215,12}, {    639,11}, \
 141     {   1279,12}, {    703,13}, {    383,12}, {    959,13}, \
 142     {    511,12}, {   1215,13}, {    639,12}, {   1471,13}, \
 143     {    767,12}, {   1663,13}, {    895,12}, {   1855,14}, \
 144     {    511,13}, {   1023,12}, {   2111,13}, {   1151,12}, \
 145     {   2431,13}, {   1407,14}, {    767,13}, {   1663,12}, \
 146     {   3327,13}, {   1791,15}, {    511,14}, {   1023,13}, \
 147     {   2431,14}, {   1279,13}, {   2815,14}, {  16384,15}, \
 148     {  32768,16} }
 149 #define SQR_FFT_TABLE3_SIZE 129
 150 #define SQR_FFT_THRESHOLD                 4736
 151
 152 #define MULLO_BASECASE_THRESHOLD             0  /* always */
 153 #define MULLO_DC_THRESHOLD                  27
 154 #define MULLO_MUL_N_THRESHOLD            11278
 155 #define SQRLO_BASECASE_THRESHOLD             5
 156 #define SQRLO_DC_THRESHOLD                  30
 157 #define SQRLO_SQR_THRESHOLD               8907
 158
 159 #define DC_DIV_QR_THRESHOLD                 32
 160 #define DC_DIVAPPR_Q_THRESHOLD              89
 161 #define DC_BDIV_QR_THRESHOLD                39
 162 #define DC_BDIV_Q_THRESHOLD                112
 163
 164 #define INV_MULMOD_BNM1_THRESHOLD           76
 165 #define INV_NEWTON_THRESHOLD               110
 166 #define INV_APPR_THRESHOLD                  98
 167
 168 #define BINV_NEWTON_THRESHOLD              214
 169 #define REDC_1_TO_REDC_2_THRESHOLD           4
 170 #define REDC_2_TO_REDC_N_THRESHOLD         122
 171
 172 #define MU_DIV_QR_THRESHOLD               1718
 173 #define MU_DIVAPPR_Q_THRESHOLD            1685
 174 #define MUPI_DIV_QR_THRESHOLD               54
 175 #define MU_BDIV_QR_THRESHOLD              1470
 176 #define MU_BDIV_Q_THRESHOLD               1685
 177
 178 #define POWM_SEC_TABLE  1,16,102,615,2016
 179
 180 #define GET_STR_DC_THRESHOLD                29
 181 #define GET_STR_PRECOMPUTE_THRESHOLD        57
 182 #define SET_STR_DC_THRESHOLD               272
 183 #define SET_STR_PRECOMPUTE_THRESHOLD       788
 184
 185 #define FAC_DSC_THRESHOLD                  360
 186 #define FAC_ODD_THRESHOLD                   55
 187
 188 #define MATRIX22_STRASSEN_THRESHOLD         27
 189 #define HGCD_THRESHOLD                      55
 190 #define HGCD_APPR_THRESHOLD                 51
 191 #define HGCD_REDUCE_THRESHOLD             3389
 192 #define GCD_DC_THRESHOLD                   168
 193 #define GCDEXT_DC_THRESHOLD                189
 194 #define JACOBI_BASE_METHOD                   1