xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/powerpc32/p7/gmp-mparam.h (revision a8c74629f602faa0ccf8a463757d7baf858bbf3a)
1 /* PowerPC-32 gmp-mparam.h -- Compiler/machine parameter header file.
2 
3 Copyright 2017 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 /* 4150 MHz POWER8/T4 */
35 /* FFT tuning limit = 0.5 M */
36 /* Generated by tuneup.c, 2017-02-18, gcc 6.1 */
37 
38 #define DIVREM_1_NORM_THRESHOLD              0  /* always */
39 #define DIVREM_1_UNNORM_THRESHOLD            0  /* always */
40 #define MOD_1_1P_METHOD                      1
41 #define MOD_1_NORM_THRESHOLD                 0  /* always */
42 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
43 #define MOD_1N_TO_MOD_1_1_THRESHOLD          9
44 #define MOD_1U_TO_MOD_1_1_THRESHOLD          8
45 #define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
46 #define MOD_1_2_TO_MOD_1_4_THRESHOLD        22
47 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     11
48 #define USE_PREINV_DIVREM_1                  1
49 #define DIV_QR_1N_PI1_METHOD                 2
50 #define DIV_QR_1_NORM_THRESHOLD              4
51 #define DIV_QR_1_UNNORM_THRESHOLD            3
52 #define DIV_QR_2_PI2_THRESHOLD              15
53 #define DIVEXACT_1_THRESHOLD                 0  /* always */
54 #define BMOD_1_TO_MOD_1_THRESHOLD           39
55 
56 #define DIV_1_VS_MUL_1_PERCENT             343
57 
58 #define MUL_TOOM22_THRESHOLD                20
59 #define MUL_TOOM33_THRESHOLD                73
60 #define MUL_TOOM44_THRESHOLD               202
61 #define MUL_TOOM6H_THRESHOLD               286
62 #define MUL_TOOM8H_THRESHOLD               430
63 
64 #define MUL_TOOM32_TO_TOOM43_THRESHOLD     137
65 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     140
66 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     128
67 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     145
68 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     121
69 
70 #define SQR_BASECASE_THRESHOLD               0  /* always */
71 #define SQR_TOOM2_THRESHOLD                 26
72 #define SQR_TOOM3_THRESHOLD                 97
73 #define SQR_TOOM4_THRESHOLD                236
74 #define SQR_TOOM6_THRESHOLD                318
75 #define SQR_TOOM8_THRESHOLD                478
76 
77 #define MULMID_TOOM42_THRESHOLD             34
78 
79 #define MULMOD_BNM1_THRESHOLD               18
80 #define SQRMOD_BNM1_THRESHOLD               18
81 
82 #define MUL_FFT_MODF_THRESHOLD             444  /* k = 5 */
83 #define MUL_FFT_TABLE3                                      \
84   { {    444, 5}, {     21, 6}, {     12, 5}, {     25, 6}, \
85     {     13, 5}, {     27, 6}, {     21, 7}, {     11, 6}, \
86     {     25, 7}, {     13, 6}, {     27, 7}, {     17, 6}, \
87     {     35, 7}, {     21, 8}, {     11, 7}, {     27, 8}, \
88     {     15, 7}, {     35, 8}, {     19, 7}, {     41, 8}, \
89     {     27, 9}, {     15, 8}, {     39, 9}, {     23, 8}, \
90     {     51,10}, {     15, 9}, {     31, 8}, {     63, 9}, \
91     {     39, 8}, {     79, 9}, {     47,10}, {     31, 9}, \
92     {     79,10}, {     47,11}, {     31,10}, {     63, 9}, \
93     {    135,10}, {     79, 9}, {    159,10}, {     95, 9}, \
94     {    191,10}, {    111,11}, {     63,10}, {    127, 9}, \
95     {    255,10}, {    143, 9}, {    287,10}, {    159,11}, \
96     {     95,10}, {    191,12}, {     63,11}, {    127,10}, \
97     {    255, 9}, {    511,10}, {    271, 9}, {    543, 8}, \
98     {   1087,10}, {    287,11}, {    159,10}, {    319, 9}, \
99     {    639,10}, {    351,11}, {    191,10}, {    415, 9}, \
100     {    831,11}, {    223,12}, {   4096,13}, {   8192,14}, \
101     {  16384,15}, {  32768,16} }
102 #define MUL_FFT_TABLE3_SIZE 70
103 #define MUL_FFT_THRESHOLD                 4544
104 
105 #define SQR_FFT_MODF_THRESHOLD             332  /* k = 5 */
106 #define SQR_FFT_TABLE3                                      \
107   { {    332, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
108     {     21, 7}, {     11, 6}, {     24, 7}, {     13, 6}, \
109     {     27, 7}, {     15, 6}, {     31, 7}, {     21, 8}, \
110     {     11, 7}, {     27, 8}, {     15, 7}, {     33, 8}, \
111     {     19, 7}, {     39, 8}, {     27, 9}, {     15, 8}, \
112     {     39, 9}, {     23, 8}, {     47,10}, {     15, 9}, \
113     {     31, 8}, {     63, 9}, {     47,10}, {     31, 9}, \
114     {     79,10}, {     47,11}, {     31,10}, {     63, 9}, \
115     {    127, 8}, {    255, 9}, {    135,10}, {     95, 9}, \
116     {    191,11}, {     63,10}, {    127, 9}, {    255, 8}, \
117     {    511, 9}, {    271,10}, {    143, 9}, {    287, 8}, \
118     {    575, 9}, {    303, 8}, {    607,10}, {    159,11}, \
119     {     95,10}, {    191,12}, {     63,11}, {    127,10}, \
120     {    255, 9}, {    511,10}, {    271, 9}, {    543,10}, \
121     {    287, 9}, {    575,10}, {    303, 9}, {    607,11}, \
122     {    159,10}, {    319, 9}, {    639,10}, {    351, 9}, \
123     {    703,11}, {    191,10}, {    383, 9}, {    767,10}, \
124     {    415,11}, {    223,10}, {    447,12}, {   4096,13}, \
125     {   8192,14}, {  16384,15}, {  32768,16} }
126 #define SQR_FFT_TABLE3_SIZE 75
127 #define SQR_FFT_THRESHOLD                 3520
128 
129 #define MULLO_BASECASE_THRESHOLD             0  /* always */
130 #define MULLO_DC_THRESHOLD                  36
131 #define MULLO_MUL_N_THRESHOLD             8648
132 #define SQRLO_BASECASE_THRESHOLD             5
133 #define SQRLO_DC_THRESHOLD                 193
134 #define SQRLO_SQR_THRESHOLD               6675
135 
136 #define DC_DIV_QR_THRESHOLD                 33
137 #define DC_DIVAPPR_Q_THRESHOLD             134
138 #define DC_BDIV_QR_THRESHOLD                51
139 #define DC_BDIV_Q_THRESHOLD                134
140 
141 #define INV_MULMOD_BNM1_THRESHOLD           66
142 #define INV_NEWTON_THRESHOLD               132
143 #define INV_APPR_THRESHOLD                 131
144 
145 #define BINV_NEWTON_THRESHOLD              292
146 #define REDC_1_TO_REDC_N_THRESHOLD          67
147 
148 #define MU_DIV_QR_THRESHOLD               1334
149 #define MU_DIVAPPR_Q_THRESHOLD            1334
150 #define MUPI_DIV_QR_THRESHOLD               62
151 #define MU_BDIV_QR_THRESHOLD              1142
152 #define MU_BDIV_Q_THRESHOLD               1470
153 
154 #define POWM_SEC_TABLE  3,25,114,480,1486
155 
156 #define GET_STR_DC_THRESHOLD                 8
157 #define GET_STR_PRECOMPUTE_THRESHOLD        14
158 #define SET_STR_DC_THRESHOLD               644
159 #define SET_STR_PRECOMPUTE_THRESHOLD      1365
160 
161 #define FAC_DSC_THRESHOLD                  107
162 #define FAC_ODD_THRESHOLD                   29
163 
164 #define MATRIX22_STRASSEN_THRESHOLD         16
165 #define HGCD_THRESHOLD                      95
166 #define HGCD_APPR_THRESHOLD                121
167 #define HGCD_REDUCE_THRESHOLD             2681
168 #define GCD_DC_THRESHOLD                   456
169 #define GCDEXT_DC_THRESHOLD                386
170 #define JACOBI_BASE_METHOD                   4
171