xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/x86_64/pentium4/gmp-mparam.h (revision 73d56d5b0be8704e4f0a7e8221a2c7309572c9a1)
1 /* Pentium 4-64 gmp-mparam.h -- Compiler/machine parameter header file.
2 
3 Copyright 2019 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 64
32 #define GMP_LIMB_BYTES 8
33 
34 /* These routines exists for all x86_64 chips, but they are slower on Pentium4
35    than separate add/sub and shift.  Make sure they are not really used.  */
36 #undef HAVE_NATIVE_mpn_rsblsh1_n
37 #undef HAVE_NATIVE_mpn_rsblsh2_n
38 #undef HAVE_NATIVE_mpn_addlsh_n
39 #undef HAVE_NATIVE_mpn_rsblsh_n
40 
41 /* 3400 MHz Pentium4 Nocona / 1024 Kibyte L2 cache */
42 /* FFT tuning limit = 107,095,964 */
43 /* Generated by tuneup.c, 2019-11-09, gcc 8.3 */
44 
45 #define MOD_1_NORM_THRESHOLD                 0  /* always */
46 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
47 #define MOD_1N_TO_MOD_1_1_THRESHOLD          5
48 #define MOD_1U_TO_MOD_1_1_THRESHOLD          3
49 #define MOD_1_1_TO_MOD_1_2_THRESHOLD        14
50 #define MOD_1_2_TO_MOD_1_4_THRESHOLD        32
51 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     11
52 #define USE_PREINV_DIVREM_1                  1  /* native */
53 #define DIV_QR_1_NORM_THRESHOLD              2
54 #define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
55 #define DIV_QR_2_PI2_THRESHOLD              12
56 #define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
57 #define BMOD_1_TO_MOD_1_THRESHOLD           20
58 
59 #define DIV_1_VS_MUL_1_PERCENT             228
60 
61 #define MUL_TOOM22_THRESHOLD                12
62 #define MUL_TOOM33_THRESHOLD                81
63 #define MUL_TOOM44_THRESHOLD               130
64 #define MUL_TOOM6H_THRESHOLD               173
65 #define MUL_TOOM8H_THRESHOLD               430
66 
67 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      81
68 #define MUL_TOOM32_TO_TOOM53_THRESHOLD      91
69 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      89
70 #define MUL_TOOM42_TO_TOOM63_THRESHOLD      88
71 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     112
72 
73 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
74 #define SQR_TOOM2_THRESHOLD                 18
75 #define SQR_TOOM3_THRESHOLD                113
76 #define SQR_TOOM4_THRESHOLD                202
77 #define SQR_TOOM6_THRESHOLD                238
78 #define SQR_TOOM8_THRESHOLD                430
79 
80 #define MULMID_TOOM42_THRESHOLD             20
81 
82 #define MULMOD_BNM1_THRESHOLD                9
83 #define SQRMOD_BNM1_THRESHOLD               11
84 
85 #define MUL_FFT_MODF_THRESHOLD             236  /* k = 5 */
86 #define MUL_FFT_TABLE3                                      \
87   { {    236, 5}, {     11, 6}, {      6, 5}, {     13, 6}, \
88     {      9, 5}, {     19, 6}, {     17, 7}, {      9, 6}, \
89     {     19, 7}, {     10, 6}, {     21, 7}, {     11, 6}, \
90     {     23, 7}, {     13, 8}, {      7, 7}, {     17, 8}, \
91     {      9, 7}, {     21, 8}, {     11, 7}, {     23, 8}, \
92     {     13, 9}, {      7, 8}, {     15, 7}, {     31, 8}, \
93     {     21, 9}, {     11, 8}, {     27,10}, {      7, 9}, \
94     {     15, 8}, {     33, 9}, {     19, 8}, {     39, 9}, \
95     {     23, 8}, {     47, 9}, {     27,10}, {     15, 9}, \
96     {     39,10}, {     23, 9}, {     51,11}, {     15,10}, \
97     {     31, 9}, {     67,10}, {     39, 9}, {     83,10}, \
98     {     47, 9}, {     95,10}, {     55,11}, {     31,10}, \
99     {     63, 9}, {    127, 8}, {    255,10}, {     71, 9}, \
100     {    143, 8}, {    287,10}, {     79,11}, {     47,10}, \
101     {     95, 9}, {    191,12}, {     31,11}, {     63,10}, \
102     {    127, 9}, {    255,10}, {    143, 9}, {    287,11}, \
103     {     79,10}, {    159, 9}, {    319,10}, {    175,11}, \
104     {     95,10}, {    191, 9}, {    383,10}, {    223,12}, \
105     {     63,11}, {    127,10}, {    255,11}, {    143,10}, \
106     {    287,11}, {    159,10}, {    319,11}, {    175,12}, \
107     {     95,11}, {    191,10}, {    383,11}, {    223,13}, \
108     {     63,12}, {    127,11}, {    255,10}, {    511,11}, \
109     {    287,10}, {    575,12}, {    159,11}, {    351,12}, \
110     {    191,11}, {    383,12}, {    223,11}, {    447,13}, \
111     {    127,12}, {    255,11}, {    511,12}, {    287,11}, \
112     {    575,10}, {   1151,12}, {    351,13}, {    191,12}, \
113     {    415,11}, {    831,10}, {   1663,12}, {    447,14}, \
114     {    127,13}, {    255,12}, {    511,11}, {   1023,12}, \
115     {    543,11}, {   1087,10}, {   2175,12}, {    575,11}, \
116     {   1151,13}, {    319,12}, {    639,11}, {   1279,12}, \
117     {    671,11}, {   1343,12}, {    703,13}, {    383,12}, \
118     {    767,11}, {   1535,12}, {    831,11}, {   1663,13}, \
119     {    447,14}, {    255,13}, {    511,12}, {   1023,11}, \
120     {   2047,12}, {   1087,11}, {   2175,13}, {    575,12}, \
121     {   1151,11}, {   2303,12}, {   1215,11}, {   2431,10}, \
122     {   4863,13}, {    639,12}, {   1279,11}, {   2559,12}, \
123     {   1343,13}, {    703,14}, {    383,13}, {    767,12}, \
124     {   1535,13}, {    831,12}, {   1663,15}, {    255,14}, \
125     {    511,13}, {   1023,12}, {   2047,13}, {   1087,12}, \
126     {   2175,13}, {   1151,12}, {   2303,13}, {   1215,12}, \
127     {   2431,11}, {   4863,14}, {    639,13}, {   1279,12}, \
128     {   2559,13}, {   1343,12}, {   2687,13}, {   1407,12}, \
129     {   2815,13}, {   1471,14}, {    767,13}, {   1663,14}, \
130     {    895,13}, {   1791,12}, {   3583,13}, {   1919,12}, \
131     {   3839,15}, {    511,14}, {   1023,13}, {   2175,14}, \
132     {   1151,13}, {   2303,12}, {   4607,13}, {   2431,12}, \
133     {   4863,14}, {   1279,13}, {   2687,14}, {   1407,13}, \
134     {   2815,15}, {    767,14}, {   1791,13}, {   3583,14}, \
135     {   1919,13}, {   3839,16}, {    511,15}, {   1023,14}, \
136     {   2175,13}, {   4351,14}, {   2303,13}, {   4607,14}, \
137     {   2431,13}, {   4863,15}, {   1279,14}, {   2943,13}, \
138     {   5887,15}, {   1535,14}, {   3199,15}, {   1791,14}, \
139     {   3839,13}, {   7679,16}, {   1023,15}, {   2047,14}, \
140     {   4351,15}, {   2303,14}, {   4863,15}, {   2815,14}, \
141     {   5887,16}, {   1535,15}, {   3071,14}, {   6143,15}, \
142     {  32768,16}, {  65536,17}, { 131072,18}, { 262144,19}, \
143     { 524288,20}, {1048576,21}, {2097152,22}, {4194304,23}, \
144     {8388608,24} }
145 #define MUL_FFT_TABLE3_SIZE 229
146 #define MUL_FFT_THRESHOLD                 2752
147 
148 #define SQR_FFT_MODF_THRESHOLD             240  /* k = 5 */
149 #define SQR_FFT_TABLE3                                      \
150   { {    240, 5}, {     11, 6}, {      6, 5}, {     13, 6}, \
151     {      9, 5}, {     19, 6}, {     17, 7}, {      9, 6}, \
152     {     23, 7}, {     12, 6}, {     25, 7}, {     13, 8}, \
153     {      7, 7}, {     17, 8}, {      9, 7}, {     21, 8}, \
154     {     11, 7}, {     24, 8}, {     13, 9}, {      7, 8}, \
155     {     15, 7}, {     31, 8}, {     21, 9}, {     11, 8}, \
156     {     27,10}, {      7, 9}, {     15, 8}, {     33, 9}, \
157     {     19, 8}, {     39, 9}, {     27,10}, {     15, 9}, \
158     {     39,10}, {     23, 9}, {     47,11}, {     15,10}, \
159     {     31, 9}, {     63,10}, {     39, 9}, {     79,10}, \
160     {     55,11}, {     31,10}, {     63, 9}, {    127, 8}, \
161     {    255,10}, {     71, 9}, {    143, 8}, {    287,10}, \
162     {     79,11}, {     47,10}, {     95, 9}, {    191,12}, \
163     {     31,11}, {     63,10}, {    127, 9}, {    255,10}, \
164     {    143, 9}, {    287,11}, {     79,10}, {    159, 9}, \
165     {    319,10}, {    175, 9}, {    351,11}, {     95,10}, \
166     {    191, 9}, {    383,10}, {    207, 9}, {    415,10}, \
167     {    223,12}, {     63,11}, {    127,10}, {    255,11}, \
168     {    143,10}, {    287,11}, {    159,10}, {    319,11}, \
169     {    175,10}, {    351,12}, {     95,11}, {    191,10}, \
170     {    383,11}, {    207,10}, {    415,11}, {    223,13}, \
171     {     63,12}, {    127,11}, {    255,10}, {    511,11}, \
172     {    287,10}, {    575,12}, {    159,11}, {    319,10}, \
173     {    639,11}, {    351,12}, {    191,11}, {    383,10}, \
174     {    767,12}, {    223,11}, {    447,13}, {    127,12}, \
175     {    255,11}, {    511,12}, {    287,11}, {    575,10}, \
176     {   1151,12}, {    319,11}, {    639,12}, {    351,13}, \
177     {    191,12}, {    383,11}, {    767,12}, {    415,11}, \
178     {    831,12}, {    447,14}, {    127,13}, {    255,12}, \
179     {    511,11}, {   1023,12}, {    543,11}, {   1087,12}, \
180     {    575,11}, {   1151,13}, {    319,12}, {    639,11}, \
181     {   1279,12}, {    671,11}, {   1343,13}, {    383,12}, \
182     {    767,11}, {   1535,12}, {    831,13}, {    447,14}, \
183     {    255,13}, {    511,12}, {   1023,11}, {   2047,12}, \
184     {   1087,13}, {    575,12}, {   1151,11}, {   2303,12}, \
185     {   1215,11}, {   2431,10}, {   4863,13}, {    639,12}, \
186     {   1279,11}, {   2559,12}, {   1343,11}, {   2687,14}, \
187     {    383,13}, {    767,12}, {   1535,13}, {    831,12}, \
188     {   1663,15}, {    255,14}, {    511,13}, {   1023,12}, \
189     {   2047,13}, {   1087,12}, {   2175,13}, {   1151,12}, \
190     {   2303,13}, {   1215,12}, {   2431,11}, {   4863,14}, \
191     {    639,13}, {   1279,12}, {   2559,13}, {   1343,12}, \
192     {   2687,13}, {   1407,12}, {   2815,13}, {   1471,14}, \
193     {    767,13}, {   1663,14}, {    895,13}, {   1791,12}, \
194     {   3583,13}, {   1919,12}, {   3839,15}, {    511,14}, \
195     {   1023,13}, {   2175,14}, {   1151,13}, {   2303,12}, \
196     {   4607,13}, {   2431,12}, {   4863,14}, {   1279,13}, \
197     {   2687,14}, {   1407,13}, {   2943,15}, {    767,14}, \
198     {   1663,13}, {   3327,14}, {   1791,13}, {   3583,14}, \
199     {   1919,13}, {   3839,16}, {    511,15}, {   1023,14}, \
200     {   2175,13}, {   4351,14}, {   2303,13}, {   4607,14}, \
201     {   2431,13}, {   4863,15}, {   1279,14}, {   2815,13}, \
202     {   5631,14}, {   2943,13}, {   5887,15}, {   1535,14}, \
203     {   3327,15}, {   1791,14}, {   3839,13}, {   7679,16}, \
204     {   1023,15}, {   2047,14}, {   4351,15}, {   2303,14}, \
205     {   4863,15}, {   2815,14}, {   5887,16}, {   1535,15}, \
206     {   3071,14}, {   6143,15}, {  32768,16}, {  65536,17}, \
207     { 131072,18}, { 262144,19}, { 524288,20}, {1048576,21}, \
208     {2097152,22}, {4194304,23}, {8388608,24} }
209 #define SQR_FFT_TABLE3_SIZE 235
210 #define SQR_FFT_THRESHOLD                 2368
211 
212 #define MULLO_BASECASE_THRESHOLD             0  /* always */
213 #define MULLO_DC_THRESHOLD                  45
214 #define MULLO_MUL_N_THRESHOLD             5397
215 #define SQRLO_BASECASE_THRESHOLD             6
216 #define SQRLO_DC_THRESHOLD                  46
217 #define SQRLO_SQR_THRESHOLD               4658
218 
219 #define DC_DIV_QR_THRESHOLD                 36
220 #define DC_DIVAPPR_Q_THRESHOLD              95
221 #define DC_BDIV_QR_THRESHOLD                35
222 #define DC_BDIV_Q_THRESHOLD                 47
223 
224 #define INV_MULMOD_BNM1_THRESHOLD           22
225 #define INV_NEWTON_THRESHOLD               178
226 #define INV_APPR_THRESHOLD                 116
227 
228 #define BINV_NEWTON_THRESHOLD              206
229 #define REDC_1_TO_REDC_2_THRESHOLD          24
230 #define REDC_2_TO_REDC_N_THRESHOLD          50
231 
232 #define MU_DIV_QR_THRESHOLD                979
233 #define MU_DIVAPPR_Q_THRESHOLD             979
234 #define MUPI_DIV_QR_THRESHOLD               97
235 #define MU_BDIV_QR_THRESHOLD               762
236 #define MU_BDIV_Q_THRESHOLD                942
237 
238 #define POWM_SEC_TABLE  7,34,114,523,1486
239 
240 #define GET_STR_DC_THRESHOLD                13
241 #define GET_STR_PRECOMPUTE_THRESHOLD        25
242 #define SET_STR_DC_THRESHOLD               381
243 #define SET_STR_PRECOMPUTE_THRESHOLD      1659
244 
245 #define FAC_DSC_THRESHOLD                  969
246 #define FAC_ODD_THRESHOLD                    0  /* always */
247 
248 #define MATRIX22_STRASSEN_THRESHOLD         29
249 #define HGCD2_DIV1_METHOD                    3  /* 2.03% faster than 5 */
250 #define HGCD_THRESHOLD                      92
251 #define HGCD_APPR_THRESHOLD                 95
252 #define HGCD_REDUCE_THRESHOLD             1815
253 #define GCD_DC_THRESHOLD                   195
254 #define GCDEXT_DC_THRESHOLD                233
255 #define JACOBI_BASE_METHOD                   4  /* 17.06% faster than 1 */
256 
257 /* Tuneup completed successfully, took 297016 seconds */
258