xref: /netbsd/external/lgpl3/gmp/dist/mpn/x86/silvermont/gmp-mparam.h (revision 671ea119)

/* Intel Silvermont/32 gmp-mparam.h -- Compiler/machine parameter header file.

Copyright 2019 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 either:

  * 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.

or

  * the GNU General Public License as published by the Free Software
    Foundation; either version 2 of the License, or (at your option) any
    later version.

or both in parallel, as here.

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 General Public License
for more details.

You should have received copies of the GNU General Public License and the
GNU Lesser General Public License along with the GNU MP Library.  If not,
see https://www.gnu.org/licenses/.  */

#define GMP_LIMB_BITS 32
#define GMP_LIMB_BYTES 4

/* 2400 MHz Intel Atom C2758 Silvermont/Rangeley */
/* FFT tuning limit = 67,000,000 */
/* Generated by tuneup.c, 2019-10-30, gcc 8.3 */

#define MOD_1_NORM_THRESHOLD                 3
#define MOD_1_UNNORM_THRESHOLD               5
#define MOD_1N_TO_MOD_1_1_THRESHOLD          9
#define MOD_1U_TO_MOD_1_1_THRESHOLD          5
#define MOD_1_1_TO_MOD_1_2_THRESHOLD        11
#define MOD_1_2_TO_MOD_1_4_THRESHOLD         0  /* never mpn_mod_1s_2p */
#define PREINV_MOD_1_TO_MOD_1_THRESHOLD     16
#define USE_PREINV_DIVREM_1                  1  /* native */
#define DIV_QR_1N_PI1_METHOD                 1  /* 64.62% faster than 2 */
#define DIV_QR_1_NORM_THRESHOLD          MP_SIZE_T_MAX  /* never */
#define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
#define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
#define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
#define BMOD_1_TO_MOD_1_THRESHOLD           32

#define DIV_1_VS_MUL_1_PERCENT             204

#define MUL_TOOM22_THRESHOLD                26
#define MUL_TOOM33_THRESHOLD               105
#define MUL_TOOM44_THRESHOLD               236
#define MUL_TOOM6H_THRESHOLD               351
#define MUL_TOOM8H_THRESHOLD               502

#define MUL_TOOM32_TO_TOOM43_THRESHOLD     105
#define MUL_TOOM32_TO_TOOM53_THRESHOLD     163
#define MUL_TOOM42_TO_TOOM53_THRESHOLD     137
#define MUL_TOOM42_TO_TOOM63_THRESHOLD     174
#define MUL_TOOM43_TO_TOOM54_THRESHOLD     215

#define SQR_BASECASE_THRESHOLD               0  /* always (native) */
#define SQR_TOOM2_THRESHOLD                 36
#define SQR_TOOM3_THRESHOLD                138
#define SQR_TOOM4_THRESHOLD                360
#define SQR_TOOM6_THRESHOLD                494
#define SQR_TOOM8_THRESHOLD                620

#define MULMID_TOOM42_THRESHOLD             58

#define MULMOD_BNM1_THRESHOLD               15
#define SQRMOD_BNM1_THRESHOLD               19

#define MUL_FFT_MODF_THRESHOLD             460  /* k = 5 */
#define MUL_FFT_TABLE3                                      \
  { {    460, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
    {     12, 5}, {     25, 6}, {     13, 5}, {     27, 6}, \
    {     21, 7}, {     11, 6}, {     25, 7}, {     13, 6}, \
    {     27, 7}, {     15, 6}, {     31, 7}, {     17, 6}, \
    {     35, 7}, {     19, 6}, {     39, 7}, {     21, 8}, \
    {     11, 7}, {     27, 8}, {     15, 7}, {     35, 8}, \
    {     19, 7}, {     41, 8}, {     23, 7}, {     47, 8}, \
    {     27, 9}, {     15, 8}, {     31, 7}, {     63, 8}, \
    {     39, 9}, {     23, 8}, {     51,10}, {     15, 9}, \
    {     31, 8}, {     67, 9}, {     39, 8}, {     79, 9}, \
    {     47, 8}, {     95,10}, {     31, 9}, {     79,10}, \
    {     47, 9}, {     95,11}, {     31,10}, {     63, 9}, \
    {    135,10}, {     79, 9}, {    159,10}, {     95,11}, \
    {     63,10}, {    127, 9}, {    255,10}, {    143, 9}, \
    {    287,10}, {    159,11}, {     95,10}, {    191,12}, \
    {     63,11}, {    127,10}, {    255, 9}, {    511,10}, \
    {    271, 9}, {    543,10}, {    287, 9}, {    575,11}, \
    {    159,10}, {    319, 9}, {    639,10}, {    335, 9}, \
    {    671,10}, {    351, 9}, {    703,11}, {    191,10}, \
    {    383, 9}, {    767,10}, {    415, 9}, {    831,12}, \
    {    127,11}, {    255,10}, {    543, 9}, {   1087,11}, \
    {    287,10}, {    607, 9}, {   1215,11}, {    319,10}, \
    {    671,11}, {    351,10}, {    735,12}, {    191,11}, \
    {    383,10}, {    767,11}, {    415,10}, {    831,13}, \
    {    127,12}, {    255,11}, {    543,10}, {   1087,11}, \
    {    607,10}, {   1215,12}, {    319,11}, {    671,10}, \
    {   1343,11}, {    735,10}, {   1471,12}, {    383,11}, \
    {    863,10}, {   1727,12}, {    447,11}, {    959,13}, \
    {    255,12}, {    511,11}, {   1087,12}, {    575,11}, \
    {   1215,10}, {   2431,12}, {    639,11}, {   1343,12}, \
    {    703,11}, {   1471,13}, {    383,12}, {    767,11}, \
    {   1535,12}, {    831,11}, {   1727,10}, {   3455,12}, \
    {    959,11}, {   1919,14}, {    255,13}, {    511,12}, \
    {   1215,11}, {   2431,13}, {    639,12}, {   1471,11}, \
    {   2943,13}, {    767,12}, {   1727,11}, {   3455,13}, \
    {    895,12}, {   1919,14}, {    511,13}, {   1023,12}, \
    {   2111,13}, {   1151,12}, {   2431,13}, {   1407,12}, \
    {   2943,14}, {    767,13}, {   1663,12}, {   3455,13}, \
    {   1919,15}, {    511,14}, {   1023,13}, {   2175,12}, \
    {   4479,13}, {   2431,14}, {   1279,13}, {   2943,12}, \
    {   5887,14}, {   1535,13}, {   3455,14}, {   1791,13}, \
    {   3967,12}, {   7935,15}, {   1023,14}, {   2047,13}, \
    {   4479,14}, {   2303,13}, {   4991,12}, {   9983,14}, \
    {   2815,13}, {   5887,15}, {   1535,14}, {   3839,13}, \
    {   7935,16} }
#define MUL_FFT_TABLE3_SIZE 177
#define MUL_FFT_THRESHOLD                 4544

#define SQR_FFT_MODF_THRESHOLD             400  /* k = 5 */
#define SQR_FFT_TABLE3                                      \
  { {    400, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
    {     12, 5}, {     25, 6}, {     13, 5}, {     28, 6}, \
    {     21, 7}, {     11, 6}, {     25, 7}, {     13, 6}, \
    {     28, 7}, {     15, 6}, {     32, 7}, {     17, 6}, \
    {     35, 7}, {     19, 6}, {     39, 7}, {     21, 8}, \
    {     11, 7}, {     27, 8}, {     15, 7}, {     35, 8}, \
    {     19, 7}, {     41, 8}, {     23, 7}, {     47, 8}, \
    {     27, 9}, {     15, 8}, {     31, 7}, {     63, 8}, \
    {     39, 9}, {     23, 8}, {     51,10}, {     15, 9}, \
    {     31, 8}, {     67, 9}, {     39, 8}, {     79, 9}, \
    {     55,10}, {     31, 9}, {     79,10}, {     47, 9}, \
    {     95,11}, {     31,10}, {     63, 9}, {    127,10}, \
    {     79, 9}, {    159,10}, {     95,11}, {     63,10}, \
    {    127, 9}, {    255,10}, {    143, 9}, {    287, 8}, \
    {    575,10}, {    159,11}, {     95,12}, {     63,11}, \
    {    127,10}, {    255, 9}, {    511,10}, {    271, 9}, \
    {    543,10}, {    287, 9}, {    575,11}, {    159,10}, \
    {    319, 9}, {    639,10}, {    335, 9}, {    671,10}, \
    {    351, 9}, {    735,11}, {    191,10}, {    383, 9}, \
    {    799,10}, {    415, 9}, {    831,11}, {    223,12}, \
    {    127,11}, {    255,10}, {    543, 9}, {   1087,11}, \
    {    287,10}, {    607, 9}, {   1215,11}, {    319,10}, \
    {    671,11}, {    351,10}, {    735, 9}, {   1471,12}, \
    {    191,11}, {    383,10}, {    799,11}, {    415,10}, \
    {    863,13}, {    127,12}, {    255,11}, {    543,10}, \
    {   1087,11}, {    607,10}, {   1215,12}, {    319,11}, \
    {    671,10}, {   1343,11}, {    735,10}, {   1471,12}, \
    {    383,11}, {    863,10}, {   1727,12}, {    447,11}, \
    {    959,13}, {    255,12}, {    511,11}, {   1087,12}, \
    {    575,11}, {   1215,10}, {   2431,12}, {    639,11}, \
    {   1343,12}, {    703,11}, {   1471,13}, {    383,12}, \
    {    767,11}, {   1535,12}, {    831,11}, {   1727,12}, \
    {    959,14}, {    255,13}, {    511,12}, {   1215,11}, \
    {   2431,13}, {    639,12}, {   1471,11}, {   2943,13}, \
    {    767,12}, {   1727,11}, {   3455,13}, {    895,12}, \
    {   1919,14}, {    511,13}, {   1023,12}, {   2111,13}, \
    {   1151,12}, {   2431,13}, {   1407,12}, {   2943,14}, \
    {    767,13}, {   1663,12}, {   3455,13}, {   1919,15}, \
    {    511,14}, {   1023,13}, {   2175,12}, {   4479,13}, \
    {   2431,14}, {   1279,13}, {   2943,12}, {   5887,14}, \
    {   1535,13}, {   3455,14}, {   1791,13}, {   3967,15}, \
    {   1023,14}, {   2047,13}, {   4479,14}, {   2303,13}, \
    {   4991,12}, {   9983,14}, {   2815,13}, {   5887,15}, \
    {   1535,14}, {   3839,13}, {   7679,16} }
#define SQR_FFT_TABLE3_SIZE 175
#define SQR_FFT_THRESHOLD                 3712

#define MULLO_BASECASE_THRESHOLD             0  /* always */
#define MULLO_DC_THRESHOLD                  56
#define MULLO_MUL_N_THRESHOLD             8907
#define SQRLO_BASECASE_THRESHOLD             0  /* always */
#define SQRLO_DC_THRESHOLD                 137
#define SQRLO_SQR_THRESHOLD               7373

#define DC_DIV_QR_THRESHOLD                 76
#define DC_DIVAPPR_Q_THRESHOLD             336
#define DC_BDIV_QR_THRESHOLD                66
#define DC_BDIV_Q_THRESHOLD                218

#define INV_MULMOD_BNM1_THRESHOLD           50
#define INV_NEWTON_THRESHOLD               345
#define INV_APPR_THRESHOLD                 342

#define BINV_NEWTON_THRESHOLD              366
#define REDC_1_TO_REDC_N_THRESHOLD          91

#define MU_DIV_QR_THRESHOLD               1652
#define MU_DIVAPPR_Q_THRESHOLD            1858
#define MUPI_DIV_QR_THRESHOLD              171
#define MU_BDIV_QR_THRESHOLD              1442
#define MU_BDIV_Q_THRESHOLD               1830

#define POWM_SEC_TABLE  3,17,102,404,1185

#define GET_STR_DC_THRESHOLD                14
#define GET_STR_PRECOMPUTE_THRESHOLD        21
#define SET_STR_DC_THRESHOLD               272
#define SET_STR_PRECOMPUTE_THRESHOLD       788

#define FAC_DSC_THRESHOLD                  132
#define FAC_ODD_THRESHOLD                   34

#define MATRIX22_STRASSEN_THRESHOLD         19
#define HGCD2_DIV1_METHOD                    1  /* 0.59% faster than 3 */
#define HGCD_THRESHOLD                     142
#define HGCD_APPR_THRESHOLD                181
#define HGCD_REDUCE_THRESHOLD             2681
#define GCD_DC_THRESHOLD                   492
#define GCDEXT_DC_THRESHOLD                365
#define JACOBI_BASE_METHOD                   1  /* 0.41% faster than 2 */

/* Tuneup completed successfully, took 147027 seconds */