source/libs/gmp/gmp-src/mpn/s390_32/gmp-mparam.h

   1 /* S/390-32 gmp-mparam.h -- Compiler/machine parameter header file.
   2
   3 Copyright 1991, 1993, 1994, 2000-2011 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 #define GMP_LIMB_BITS 32
  32 #define GMP_LIMB_BYTES 4
  33
  34 /* 770 MHz IBM z900 running in 32-bit mode, using just traditional insns */
  35
  36 #define DIVREM_1_NORM_THRESHOLD              0  /* always */
  37 #define DIVREM_1_UNNORM_THRESHOLD            5
  38 #define MOD_1_1P_METHOD                      2
  39 #define MOD_1_NORM_THRESHOLD                 0  /* always */
  40 #define MOD_1_UNNORM_THRESHOLD               5
  41 #define MOD_1N_TO_MOD_1_1_THRESHOLD      MP_SIZE_T_MAX  /* never */
  42 #define MOD_1U_TO_MOD_1_1_THRESHOLD         15
  43 #define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
  44 #define MOD_1_2_TO_MOD_1_4_THRESHOLD        30
  45 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD  MP_SIZE_T_MAX  /* never */
  46 #define USE_PREINV_DIVREM_1                  1
  47 #define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
  48 #define DIVEXACT_1_THRESHOLD                 0  /* always */
  49 #define BMOD_1_TO_MOD_1_THRESHOLD        MP_SIZE_T_MAX  /* never */
  50
  51 #define MUL_TOOM22_THRESHOLD                19
  52 #define MUL_TOOM33_THRESHOLD               114
  53 #define MUL_TOOM44_THRESHOLD               166
  54 #define MUL_TOOM6H_THRESHOLD               226
  55 #define MUL_TOOM8H_THRESHOLD               333
  56
  57 #define MUL_TOOM32_TO_TOOM43_THRESHOLD     106
  58 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     122
  59 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     105
  60 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     113
  61
  62 #define SQR_BASECASE_THRESHOLD               7
  63 #define SQR_TOOM2_THRESHOLD                 40
  64 #define SQR_TOOM3_THRESHOLD                126
  65 #define SQR_TOOM4_THRESHOLD                192
  66 #define SQR_TOOM6_THRESHOLD                246
  67 #define SQR_TOOM8_THRESHOLD                357
  68
  69 #define MULMID_TOOM42_THRESHOLD             28
  70
  71 #define MULMOD_BNM1_THRESHOLD               12
  72 #define SQRMOD_BNM1_THRESHOLD               18
  73
  74 #define MUL_FFT_MODF_THRESHOLD             244  /* k = 5 */
  75 #define MUL_FFT_TABLE3                                      \
  76   { {    244, 5}, {     13, 6}, {      7, 5}, {     15, 6}, \
  77     {      8, 5}, {     17, 6}, {     13, 7}, {      7, 6}, \
  78     {     16, 7}, {      9, 6}, {     19, 7}, {     11, 6}, \
  79     {     23, 7}, {     13, 8}, {      7, 7}, {     19, 8}, \
  80     {     11, 7}, {     25, 9}, {      7, 8}, {     15, 7}, \
  81     {     33, 8}, {     19, 7}, {     39, 8}, {     23, 7}, \
  82     {     47, 8}, {     27, 9}, {     15, 8}, {     39, 9}, \
  83     {     23, 8}, {     47,10}, {     15, 9}, {     31, 8}, \
  84     {     63, 9}, {     39, 8}, {     79, 9}, {     47,10}, \
  85     {     31, 9}, {     63, 8}, {    127, 9}, {     71, 8}, \
  86     {    143, 9}, {     79,10}, {     47,11}, {   2048,12}, \
  87     {   4096,13}, {   8192,14}, {  16384,15}, {  32768,16} }
  88 #define MUL_FFT_TABLE3_SIZE 48
  89 #define MUL_FFT_THRESHOLD                 2688
  90
  91 #define SQR_FFT_MODF_THRESHOLD             216  /* k = 5 */
  92 #define SQR_FFT_TABLE3                                      \
  93   { {    216, 5}, {      7, 4}, {     15, 5}, {     17, 6}, \
  94     {     13, 7}, {      7, 6}, {     17, 7}, {      9, 6}, \
  95     {     20, 7}, {     11, 6}, {     23, 7}, {     13, 8}, \
  96     {      7, 7}, {     19, 8}, {     11, 7}, {     25, 9}, \
  97     {      7, 8}, {     15, 7}, {     33, 8}, {     19, 7}, \
  98     {     39, 8}, {     23, 9}, {     15, 8}, {     39, 9}, \
  99     {     23, 8}, {     47,10}, {     15, 9}, {     31, 8}, \
 100     {     63, 9}, {     39, 8}, {     79, 9}, {     47,10}, \
 101     {     31, 9}, {     63, 8}, {    127, 9}, {     71, 8}, \
 102     {    143, 9}, {     79,10}, {     47,11}, {   2048,12}, \
 103     {   4096,13}, {   8192,14}, {  16384,15}, {  32768,16} }
 104 #define SQR_FFT_TABLE3_SIZE 44
 105 #define SQR_FFT_THRESHOLD                 1856
 106
 107 #define MULLO_BASECASE_THRESHOLD             0  /* always */
 108 #define MULLO_DC_THRESHOLD                  61
 109 #define MULLO_MUL_N_THRESHOLD             5240
 110
 111 #define DC_DIV_QR_THRESHOLD                 70
 112 #define DC_DIVAPPR_Q_THRESHOLD             234
 113 #define DC_BDIV_QR_THRESHOLD                59
 114 #define DC_BDIV_Q_THRESHOLD                137
 115
 116 #define INV_MULMOD_BNM1_THRESHOLD           36
 117 #define INV_NEWTON_THRESHOLD               327
 118 #define INV_APPR_THRESHOLD                 268
 119
 120 #define BINV_NEWTON_THRESHOLD              324
 121 #define REDC_1_TO_REDC_N_THRESHOLD          63
 122
 123 #define MU_DIV_QR_THRESHOLD               1099
 124 #define MU_DIVAPPR_Q_THRESHOLD            1360
 125 #define MUPI_DIV_QR_THRESHOLD              138
 126 #define MU_BDIV_QR_THRESHOLD               889
 127 #define MU_BDIV_Q_THRESHOLD               1234
 128
 129 #define MATRIX22_STRASSEN_THRESHOLD         18
 130 #define HGCD_THRESHOLD                     167
 131 #define GCD_DC_THRESHOLD                   518
 132 #define GCDEXT_DC_THRESHOLD                378
 133 #define JACOBI_BASE_METHOD                   2
 134
 135 #define GET_STR_DC_THRESHOLD                14
 136 #define GET_STR_PRECOMPUTE_THRESHOLD        25
 137 #define SET_STR_DC_THRESHOLD               577
 138 #define SET_STR_PRECOMPUTE_THRESHOLD      1217