external/lgpl3/gmp/lib/libgmp/arch/arm/gmp-mparam.h

   1 /* gmp-mparam.h -- Compiler/machine parameter header file.
   2
   3 Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2009, 2010 Free
   4 Software 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 the GNU Lesser General Public License as published by
  10 the Free Software Foundation; either version 3 of the License, or (at your
  11 option) any later version.
  12
  13 The GNU MP Library is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  16 License for more details.
  17
  18 You should have received a copy of the GNU Lesser General Public License
  19 along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
  20
  21 #define GMP_LIMB_BITS 32
  22 #define BYTES_PER_MP_LIMB 4
  23
  24 /* 1193MHz ARM (gcc55.fsffrance.org) */
  25
  26 #define DIVREM_1_NORM_THRESHOLD              0  /* preinv always */
  27 #define DIVREM_1_UNNORM_THRESHOLD            0  /* always */
  28 #define MOD_1_NORM_THRESHOLD                 0  /* always */
  29 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
  30 #define MOD_1N_TO_MOD_1_1_THRESHOLD         56
  31 #define MOD_1U_TO_MOD_1_1_THRESHOLD         11
  32 #define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
  33 #define MOD_1_2_TO_MOD_1_4_THRESHOLD     MP_SIZE_T_MAX
  34 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     71
  35 #define USE_PREINV_DIVREM_1                  1  /* preinv always */
  36 #define DIVREM_2_THRESHOLD                   0  /* preinv always */
  37 #define DIVEXACT_1_THRESHOLD                 0  /* always */
  38 #define BMOD_1_TO_MOD_1_THRESHOLD           41
  39
  40 #define MUL_TOOM22_THRESHOLD                36
  41 #define MUL_TOOM33_THRESHOLD               125
  42 #define MUL_TOOM44_THRESHOLD               193
  43 #define MUL_TOOM6H_THRESHOLD               303
  44 #define MUL_TOOM8H_THRESHOLD               418
  45
  46 #define MUL_TOOM32_TO_TOOM43_THRESHOLD     125
  47 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     176
  48 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     114
  49 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     129
  50
  51 #define SQR_BASECASE_THRESHOLD              12
  52 #define SQR_TOOM2_THRESHOLD                 78
  53 #define SQR_TOOM3_THRESHOLD                137
  54 #define SQR_TOOM4_THRESHOLD                212
  55 #define SQR_TOOM6_THRESHOLD                306
  56 #define SQR_TOOM8_THRESHOLD                422
  57
  58 #define MULMOD_BNM1_THRESHOLD               20
  59 #define SQRMOD_BNM1_THRESHOLD               26
  60
  61 #define MUL_FFT_MODF_THRESHOLD             436  /* k = 5 */
  62 #define MUL_FFT_TABLE3                                      \
  63   { {    436, 5}, {     27, 6}, {     28, 7}, {     15, 6}, \
  64     {     32, 7}, {     17, 6}, {     35, 7}, {     19, 6}, \
  65     {     39, 7}, {     29, 8}, {     15, 7}, {     35, 8}, \
  66     {     19, 7}, {     41, 8}, {     23, 7}, {     49, 8}, \
  67     {     27, 9}, {     15, 8}, {     31, 7}, {     63, 8}, \
  68     {    256, 9}, {    512,10}, {   1024,11}, {   2048,12}, \
  69     {   4096,13}, {   8192,14}, {  16384,15}, {  32768,16} }
  70 #define MUL_FFT_TABLE3_SIZE 28
  71 #define MUL_FFT_THRESHOLD                 5760
  72
  73 #define SQR_FFT_MODF_THRESHOLD             404  /* k = 5 */
  74 #define SQR_FFT_TABLE3                                      \
  75   { {    404, 5}, {     13, 4}, {     27, 5}, {     27, 6}, \
  76     {     28, 7}, {     15, 6}, {     32, 7}, {     17, 6}, \
  77     {     35, 7}, {     29, 8}, {     15, 7}, {     35, 8}, \
  78     {     19, 7}, {     41, 8}, {     23, 7}, {     47, 8}, \
  79     {     27, 9}, {     15, 8}, {     39, 9}, {    512,10}, \
  80     {   1024,11}, {   2048,12}, {   4096,13}, {   8192,14}, \
  81     {  16384,15}, {  32768,16} }
  82 #define SQR_FFT_TABLE3_SIZE 26
  83 #define SQR_FFT_THRESHOLD                 3776
  84
  85 #define MULLO_BASECASE_THRESHOLD             0  /* always */
  86 #define MULLO_DC_THRESHOLD                 137
  87 #define MULLO_MUL_N_THRESHOLD            11479
  88
  89 #define DC_DIV_QR_THRESHOLD                150
  90 #define DC_DIVAPPR_Q_THRESHOLD             494
  91 #define DC_BDIV_QR_THRESHOLD               148
  92 #define DC_BDIV_Q_THRESHOLD                345
  93
  94 #define INV_MULMOD_BNM1_THRESHOLD           70
  95 #define INV_NEWTON_THRESHOLD               474
  96 #define INV_APPR_THRESHOLD                 478
  97
  98 #define BINV_NEWTON_THRESHOLD              542
  99 #define REDC_1_TO_REDC_N_THRESHOLD         117
 100
 101 #define MU_DIV_QR_THRESHOLD               2089
 102 #define MU_DIVAPPR_Q_THRESHOLD            2172
 103 #define MUPI_DIV_QR_THRESHOLD              225
 104 #define MU_BDIV_QR_THRESHOLD              1528
 105 #define MU_BDIV_Q_THRESHOLD               2089
 106
 107 #define MATRIX22_STRASSEN_THRESHOLD         16
 108 #define HGCD_THRESHOLD                     197
 109 #define GCD_DC_THRESHOLD                   902
 110 #define GCDEXT_DC_THRESHOLD                650
 111 #define JACOBI_BASE_METHOD                   2
 112
 113 #define GET_STR_DC_THRESHOLD                20
 114 #define GET_STR_PRECOMPUTE_THRESHOLD        39
 115 #define SET_STR_DC_THRESHOLD              1045
 116 #define SET_STR_PRECOMPUTE_THRESHOLD      2147