xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/s390_32/esame/gmp-mparam.h (revision a04395531661c5e8d314125d5ae77d4cbedd5d73)
1 /* S/390-32 gmp-mparam.h -- Compiler/machine parameter header file.
2 
3 Copyright 1991, 1993, 1994, 2000-2008-2011, 2014 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 /* 4400 MHz IBM z196 running in 32-bit mode */
35 /* FFT tuning limit = 0.5M */
36 /* Generated by tuneup.c, 2017-01-02, gcc 4.9 */
37 
38 #define DIVREM_1_NORM_THRESHOLD          MP_SIZE_T_MAX  /* never */
39 #define DIVREM_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
40 #define MOD_1_1P_METHOD                      2
41 #define MOD_1_NORM_THRESHOLD             MP_SIZE_T_MAX  /* never */
42 #define MOD_1_UNNORM_THRESHOLD           MP_SIZE_T_MAX  /* never */
43 #define MOD_1N_TO_MOD_1_1_THRESHOLD         45
44 #define MOD_1U_TO_MOD_1_1_THRESHOLD         18
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     MP_SIZE_T_MAX
47 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD      3
48 #define USE_PREINV_DIVREM_1                  0
49 #define DIV_QR_1N_PI1_METHOD                 1
50 #define DIV_QR_1_NORM_THRESHOLD          MP_SIZE_T_MAX  /* never */
51 #define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
52 #define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
53 #define DIVEXACT_1_THRESHOLD                 6
54 #define BMOD_1_TO_MOD_1_THRESHOLD            0  /* always */
55 
56 #define DIV_1_VS_MUL_1_PERCENT             320
57 
58 #define MUL_TOOM22_THRESHOLD                12
59 #define MUL_TOOM33_THRESHOLD                81
60 #define MUL_TOOM44_THRESHOLD               130
61 #define MUL_TOOM6H_THRESHOLD               173
62 #define MUL_TOOM8H_THRESHOLD               260
63 
64 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      81
65 #define MUL_TOOM32_TO_TOOM53_THRESHOLD      91
66 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      83
67 #define MUL_TOOM42_TO_TOOM63_THRESHOLD      86
68 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     112
69 
70 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
71 #define SQR_TOOM2_THRESHOLD                 18
72 #define SQR_TOOM3_THRESHOLD                 69
73 #define SQR_TOOM4_THRESHOLD                178
74 #define SQR_TOOM6_THRESHOLD                254
75 #define SQR_TOOM8_THRESHOLD                406
76 
77 #define MULMID_TOOM42_THRESHOLD             30
78 
79 #define MULMOD_BNM1_THRESHOLD               12
80 #define SQRMOD_BNM1_THRESHOLD                7
81 
82 #define MUL_FFT_MODF_THRESHOLD             276  /* k = 5 */
83 #define MUL_FFT_TABLE3                                      \
84   { {    276, 5}, {     15, 6}, {      8, 5}, {     17, 6}, \
85     {      9, 5}, {     19, 6}, {     13, 7}, {      7, 6}, \
86     {     17, 7}, {      9, 6}, {     19, 7}, {     11, 6}, \
87     {     23, 7}, {     13, 8}, {      7, 7}, {     19, 8}, \
88     {     11, 7}, {     25, 8}, {     15, 7}, {     31, 8}, \
89     {     19, 7}, {     39, 8}, {     23, 9}, {     15, 8}, \
90     {     39, 9}, {     23,10}, {     15, 9}, {     31, 8}, \
91     {     67, 9}, {     39, 8}, {     79, 9}, {     47,10}, \
92     {     31, 9}, {     71, 8}, {    143, 9}, {     79,10}, \
93     {     47,11}, {     31,10}, {     63, 9}, {    127, 8}, \
94     {    255, 7}, {    511, 9}, {    143,10}, {     79, 9}, \
95     {    159, 8}, {    319, 9}, {    175, 8}, {    351,10}, \
96     {     95, 9}, {    191, 8}, {    383,11}, {     63,10}, \
97     {    127, 9}, {    255, 8}, {    511,10}, {    143, 9}, \
98     {    287, 8}, {    575,10}, {    159, 9}, {    319,10}, \
99     {    175, 9}, {    351,11}, {     95,10}, {    191, 9}, \
100     {    383,12}, {     63,11}, {    127,10}, {    255, 9}, \
101     {    511,10}, {    271, 9}, {    543, 8}, {   1087,10}, \
102     {    287, 9}, {    575,11}, {    159,10}, {    351, 9}, \
103     {    703, 8}, {   1407,11}, {    191,10}, {    415, 9}, \
104     {    831,11}, {    223,10}, {    479, 9}, {    959, 8}, \
105     {   1919,12}, {   4096,13}, {   8192,14}, {  16384,15}, \
106     {  32768,16} }
107 #define MUL_FFT_TABLE3_SIZE 89
108 #define MUL_FFT_THRESHOLD                 2688
109 
110 #define SQR_FFT_MODF_THRESHOLD             240  /* k = 5 */
111 #define SQR_FFT_TABLE3                                      \
112   { {    240, 5}, {     17, 6}, {     17, 7}, {      9, 6}, \
113     {     19, 7}, {     11, 6}, {     23, 7}, {     13, 8}, \
114     {      7, 7}, {     19, 8}, {     11, 7}, {     25, 8}, \
115     {     15, 7}, {     33, 8}, {     19, 7}, {     39, 8}, \
116     {     23, 9}, {     15, 8}, {     39, 9}, {     23,10}, \
117     {     15, 9}, {     31, 8}, {     63, 9}, {     47,10}, \
118     {     31, 9}, {     63, 8}, {    127, 9}, {     71, 8}, \
119     {    143,10}, {     47,11}, {     31,10}, {     63, 9}, \
120     {    127, 8}, {    255, 7}, {    511, 9}, {    143,10}, \
121     {     79, 9}, {    159, 8}, {    319, 9}, {    175, 8}, \
122     {    351, 7}, {    703,10}, {     95, 9}, {    191, 8}, \
123     {    383, 9}, {    207, 8}, {    415,11}, {     63,10}, \
124     {    127, 9}, {    255, 8}, {    511,10}, {    143, 9}, \
125     {    287, 8}, {    575,10}, {    159, 9}, {    319,10}, \
126     {    175, 9}, {    351, 8}, {    703, 7}, {   1407,11}, \
127     {     95,10}, {    191, 9}, {    383,10}, {    207, 9}, \
128     {    415,12}, {     63,11}, {    127,10}, {    255, 9}, \
129     {    511,10}, {    287, 9}, {    575,11}, {    159,10}, \
130     {    351, 9}, {    703, 8}, {   1407,11}, {    191,10}, \
131     {    415, 9}, {    831,11}, {    223,10}, {    479,12}, \
132     {   4096,13}, {   8192,14}, {  16384,15}, {  32768,16} }
133 #define SQR_FFT_TABLE3_SIZE 84
134 #define SQR_FFT_THRESHOLD                 1856
135 
136 #define MULLO_BASECASE_THRESHOLD             0  /* always */
137 #define MULLO_DC_THRESHOLD                  27
138 #define MULLO_MUL_N_THRESHOLD             5240
139 #define SQRLO_BASECASE_THRESHOLD             0  /* always */
140 #define SQRLO_DC_THRESHOLD                  65
141 #define SQRLO_SQR_THRESHOLD               3470
142 
143 #define DC_DIV_QR_THRESHOLD                 32
144 #define DC_DIVAPPR_Q_THRESHOLD             135
145 #define DC_BDIV_QR_THRESHOLD                32
146 #define DC_BDIV_Q_THRESHOLD                 80
147 
148 #define INV_MULMOD_BNM1_THRESHOLD           42
149 #define INV_NEWTON_THRESHOLD               177
150 #define INV_APPR_THRESHOLD                 139
151 
152 #define BINV_NEWTON_THRESHOLD              179
153 #define REDC_1_TO_REDC_N_THRESHOLD          39
154 
155 #define MU_DIV_QR_THRESHOLD                872
156 #define MU_DIVAPPR_Q_THRESHOLD             998
157 #define MUPI_DIV_QR_THRESHOLD               66
158 #define MU_BDIV_QR_THRESHOLD               748
159 #define MU_BDIV_Q_THRESHOLD                906
160 
161 #define POWM_SEC_TABLE  9,34,257,946,2913
162 
163 #define GET_STR_DC_THRESHOLD                10
164 #define GET_STR_PRECOMPUTE_THRESHOLD        16
165 #define SET_STR_DC_THRESHOLD              1045
166 #define SET_STR_PRECOMPUTE_THRESHOLD      1800
167 
168 #define FAC_DSC_THRESHOLD                   77
169 #define FAC_ODD_THRESHOLD                   24
170 
171 #define MATRIX22_STRASSEN_THRESHOLD         15
172 #define HGCD_THRESHOLD                     121
173 #define HGCD_APPR_THRESHOLD                142
174 #define HGCD_REDUCE_THRESHOLD             1679
175 #define GCD_DC_THRESHOLD                   389
176 #define GCDEXT_DC_THRESHOLD                285
177 #define JACOBI_BASE_METHOD                   4
178