xref: /minix3/external/lgpl3/gmp/lib/libgmp/arch/earm/gmp-mparam.h (revision 84d9c625bfea59e274550651111ae9edfdc40fbd)
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
117