xref: /netbsd-current/external/lgpl3/gmp/dist/mpn/powerpc32/p7/gmp-mparam.h

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

Copyright 2017 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

/* 4150 MHz POWER8/T4 */
/* FFT tuning limit = 0.5 M */
/* Generated by tuneup.c, 2017-02-18, gcc 6.1 */

#define DIVREM_1_NORM_THRESHOLD              0  /* always */
#define DIVREM_1_UNNORM_THRESHOLD            0  /* always */
#define MOD_1_1P_METHOD                      1
#define MOD_1_NORM_THRESHOLD                 0  /* always */
#define MOD_1_UNNORM_THRESHOLD               0  /* always */
#define MOD_1N_TO_MOD_1_1_THRESHOLD          9
#define MOD_1U_TO_MOD_1_1_THRESHOLD          8
#define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
#define MOD_1_2_TO_MOD_1_4_THRESHOLD        22
#define PREINV_MOD_1_TO_MOD_1_THRESHOLD     11
#define USE_PREINV_DIVREM_1                  1
#define DIV_QR_1N_PI1_METHOD                 2
#define DIV_QR_1_NORM_THRESHOLD              4
#define DIV_QR_1_UNNORM_THRESHOLD            3
#define DIV_QR_2_PI2_THRESHOLD              15
#define DIVEXACT_1_THRESHOLD                 0  /* always */
#define BMOD_1_TO_MOD_1_THRESHOLD           39

#define DIV_1_VS_MUL_1_PERCENT             343

#define MUL_TOOM22_THRESHOLD                20
#define MUL_TOOM33_THRESHOLD                73
#define MUL_TOOM44_THRESHOLD               202
#define MUL_TOOM6H_THRESHOLD               286
#define MUL_TOOM8H_THRESHOLD               430

#define MUL_TOOM32_TO_TOOM43_THRESHOLD     137
#define MUL_TOOM32_TO_TOOM53_THRESHOLD     140
#define MUL_TOOM42_TO_TOOM53_THRESHOLD     128
#define MUL_TOOM42_TO_TOOM63_THRESHOLD     145
#define MUL_TOOM43_TO_TOOM54_THRESHOLD     121

#define SQR_BASECASE_THRESHOLD               0  /* always */
#define SQR_TOOM2_THRESHOLD                 26
#define SQR_TOOM3_THRESHOLD                 97
#define SQR_TOOM4_THRESHOLD                236
#define SQR_TOOM6_THRESHOLD                318
#define SQR_TOOM8_THRESHOLD                478

#define MULMID_TOOM42_THRESHOLD             34

#define MULMOD_BNM1_THRESHOLD               18
#define SQRMOD_BNM1_THRESHOLD               18

#define MUL_FFT_MODF_THRESHOLD             444  /* k = 5 */
#define MUL_FFT_TABLE3                                      \
  { {    444, 5}, {     21, 6}, {     12, 5}, {     25, 6}, \
    {     13, 5}, {     27, 6}, {     21, 7}, {     11, 6}, \
    {     25, 7}, {     13, 6}, {     27, 7}, {     17, 6}, \
    {     35, 7}, {     21, 8}, {     11, 7}, {     27, 8}, \
    {     15, 7}, {     35, 8}, {     19, 7}, {     41, 8}, \
    {     27, 9}, {     15, 8}, {     39, 9}, {     23, 8}, \
    {     51,10}, {     15, 9}, {     31, 8}, {     63, 9}, \
    {     39, 8}, {     79, 9}, {     47,10}, {     31, 9}, \
    {     79,10}, {     47,11}, {     31,10}, {     63, 9}, \
    {    135,10}, {     79, 9}, {    159,10}, {     95, 9}, \
    {    191,10}, {    111,11}, {     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, 8}, \
    {   1087,10}, {    287,11}, {    159,10}, {    319, 9}, \
    {    639,10}, {    351,11}, {    191,10}, {    415, 9}, \
    {    831,11}, {    223,12}, {   4096,13}, {   8192,14}, \
    {  16384,15}, {  32768,16} }
#define MUL_FFT_TABLE3_SIZE 70
#define MUL_FFT_THRESHOLD                 4544

#define SQR_FFT_MODF_THRESHOLD             332  /* k = 5 */
#define SQR_FFT_TABLE3                                      \
  { {    332, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
    {     21, 7}, {     11, 6}, {     24, 7}, {     13, 6}, \
    {     27, 7}, {     15, 6}, {     31, 7}, {     21, 8}, \
    {     11, 7}, {     27, 8}, {     15, 7}, {     33, 8}, \
    {     19, 7}, {     39, 8}, {     27, 9}, {     15, 8}, \
    {     39, 9}, {     23, 8}, {     47,10}, {     15, 9}, \
    {     31, 8}, {     63, 9}, {     47,10}, {     31, 9}, \
    {     79,10}, {     47,11}, {     31,10}, {     63, 9}, \
    {    127, 8}, {    255, 9}, {    135,10}, {     95, 9}, \
    {    191,11}, {     63,10}, {    127, 9}, {    255, 8}, \
    {    511, 9}, {    271,10}, {    143, 9}, {    287, 8}, \
    {    575, 9}, {    303, 8}, {    607,10}, {    159,11}, \
    {     95,10}, {    191,12}, {     63,11}, {    127,10}, \
    {    255, 9}, {    511,10}, {    271, 9}, {    543,10}, \
    {    287, 9}, {    575,10}, {    303, 9}, {    607,11}, \
    {    159,10}, {    319, 9}, {    639,10}, {    351, 9}, \
    {    703,11}, {    191,10}, {    383, 9}, {    767,10}, \
    {    415,11}, {    223,10}, {    447,12}, {   4096,13}, \
    {   8192,14}, {  16384,15}, {  32768,16} }
#define SQR_FFT_TABLE3_SIZE 75
#define SQR_FFT_THRESHOLD                 3520

#define MULLO_BASECASE_THRESHOLD             0  /* always */
#define MULLO_DC_THRESHOLD                  36
#define MULLO_MUL_N_THRESHOLD             8648
#define SQRLO_BASECASE_THRESHOLD             5
#define SQRLO_DC_THRESHOLD                 193
#define SQRLO_SQR_THRESHOLD               6675

#define DC_DIV_QR_THRESHOLD                 33
#define DC_DIVAPPR_Q_THRESHOLD             134
#define DC_BDIV_QR_THRESHOLD                51
#define DC_BDIV_Q_THRESHOLD                134

#define INV_MULMOD_BNM1_THRESHOLD           66
#define INV_NEWTON_THRESHOLD               132
#define INV_APPR_THRESHOLD                 131

#define BINV_NEWTON_THRESHOLD              292
#define REDC_1_TO_REDC_N_THRESHOLD          67

#define MU_DIV_QR_THRESHOLD               1334
#define MU_DIVAPPR_Q_THRESHOLD            1334
#define MUPI_DIV_QR_THRESHOLD               62
#define MU_BDIV_QR_THRESHOLD              1142
#define MU_BDIV_Q_THRESHOLD               1470

#define POWM_SEC_TABLE  3,25,114,480,1486

#define GET_STR_DC_THRESHOLD                 8
#define GET_STR_PRECOMPUTE_THRESHOLD        14
#define SET_STR_DC_THRESHOLD               644
#define SET_STR_PRECOMPUTE_THRESHOLD      1365

#define FAC_DSC_THRESHOLD                  107
#define FAC_ODD_THRESHOLD                   29

#define MATRIX22_STRASSEN_THRESHOLD         16
#define HGCD_THRESHOLD                      95
#define HGCD_APPR_THRESHOLD                121
#define HGCD_REDUCE_THRESHOLD             2681
#define GCD_DC_THRESHOLD                   456
#define GCDEXT_DC_THRESHOLD                386
#define JACOBI_BASE_METHOD                   4