xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/s390_64/gmp-mparam.h (revision 479d8f7d843cc1b22d497efdf1f27a50ee8418d4)
1 /* S/390-64 gmp-mparam.h -- Compiler/machine parameter header file.
2 
3 Copyright 1991, 1993, 1994, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
4 2008, 2009, 2010, 2011 Free 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 64
22 #define BYTES_PER_MP_LIMB 8
23 
24 /* 1200 MHz z990 */
25 
26 #define DIVREM_1_NORM_THRESHOLD              0  /* always */
27 #define DIVREM_1_UNNORM_THRESHOLD            0  /* always */
28 #define MOD_1_1P_METHOD                      2
29 #define MOD_1_NORM_THRESHOLD                 0  /* always */
30 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
31 #define MOD_1N_TO_MOD_1_1_THRESHOLD          8
32 #define MOD_1U_TO_MOD_1_1_THRESHOLD          5
33 #define MOD_1_1_TO_MOD_1_2_THRESHOLD        38
34 #define MOD_1_2_TO_MOD_1_4_THRESHOLD         0
35 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     19
36 #define USE_PREINV_DIVREM_1                  1
37 #define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
38 #define DIVEXACT_1_THRESHOLD                 0  /* always */
39 #define BMOD_1_TO_MOD_1_THRESHOLD           88
40 
41 #define MUL_TOOM22_THRESHOLD                10
42 #define MUL_TOOM33_THRESHOLD                41
43 #define MUL_TOOM44_THRESHOLD               104
44 #define MUL_TOOM6H_THRESHOLD               149
45 #define MUL_TOOM8H_THRESHOLD               212
46 
47 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      65
48 #define MUL_TOOM32_TO_TOOM53_THRESHOLD      69
49 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      73
50 #define MUL_TOOM42_TO_TOOM63_THRESHOLD      66
51 
52 #define SQR_BASECASE_THRESHOLD               0
53 #define SQR_TOOM2_THRESHOLD                 16
54 #define SQR_TOOM3_THRESHOLD                 57
55 #define SQR_TOOM4_THRESHOLD                154
56 #define SQR_TOOM6_THRESHOLD                206
57 #define SQR_TOOM8_THRESHOLD                309
58 
59 #define MULMID_TOOM42_THRESHOLD             20
60 
61 #define MULMOD_BNM1_THRESHOLD                9
62 #define SQRMOD_BNM1_THRESHOLD               11
63 
64 #define POWM_SEC_TABLE  4,23,128,598
65 
66 #define MUL_FFT_MODF_THRESHOLD             220  /* k = 5 */
67 #define MUL_FFT_TABLE3                                      \
68   { {    220, 5}, {      7, 4}, {     15, 5}, {      8, 4}, \
69     {     17, 5}, {     11, 6}, {      6, 5}, {     13, 6}, \
70     {      7, 5}, {     15, 6}, {     13, 7}, {      7, 6}, \
71     {     15, 7}, {      8, 6}, {     17, 7}, {      9, 6}, \
72     {     19, 7}, {     13, 8}, {      7, 7}, {     17, 8}, \
73     {      9, 7}, {     19, 8}, {     11, 7}, {     23, 8}, \
74     {     13, 9}, {      7, 8}, {     19, 9}, {     11, 8}, \
75     {     25,10}, {      7, 9}, {     15, 8}, {     33, 9}, \
76     {     19, 8}, {     39, 9}, {     23,10}, {     15, 9}, \
77     {     39,10}, {     23,11}, {     15,10}, {     31, 9}, \
78     {     63,10}, {     39, 9}, {     79,10}, {     47,11}, \
79     {     31,10}, {     63, 9}, {    127, 8}, {    255,10}, \
80     {     71, 9}, {    143, 8}, {    287,10}, {     79,11}, \
81     {     47,12}, {     31,11}, {     63,10}, {    127, 9}, \
82     {    255, 8}, {    511,10}, {    143,11}, {     79,10}, \
83     {    159, 9}, {    319,10}, {    175, 9}, {    351, 8}, \
84     {    703,11}, {     95,10}, {    191, 9}, {    383,10}, \
85     {    207,11}, {    111,10}, {    223,12}, {     63,11}, \
86     {    127,10}, {    255, 9}, {    511,11}, {    143,10}, \
87     {    287, 9}, {    575, 8}, {   1151,10}, {    319,11}, \
88     {    175,10}, {    351, 9}, {    703,12}, {     95,11}, \
89     {    191,10}, {    383, 9}, {    767,11}, {    207,10}, \
90     {    415, 9}, {    831,11}, {    223,13}, {     63,12}, \
91     {    127,11}, {    255,10}, {    511,11}, {    287,10}, \
92     {    575, 9}, {   1151,12}, {    159,11}, {    319,10}, \
93     {    639,11}, {    351,10}, {    703, 9}, {   1407, 8}, \
94     {   2815,11}, {    383,10}, {    767,11}, {    415,10}, \
95     {    831,12}, {    223,11}, {    447, 9}, {   1791,11}, \
96     {    479,13}, {   8192,14}, {  16384,15}, {  32768,16}, \
97     {  65536,17}, { 131072,18}, { 262144,19}, { 524288,20}, \
98     {1048576,21}, {2097152,22}, {4194304,23}, {8388608,24} }
99 #define MUL_FFT_TABLE3_SIZE 124
100 #define MUL_FFT_THRESHOLD                 2240
101 
102 #define SQR_FFT_MODF_THRESHOLD             184  /* k = 5 */
103 #define SQR_FFT_TABLE3                                      \
104   { {    184, 5}, {      6, 4}, {     13, 5}, {     13, 6}, \
105     {      7, 5}, {     15, 6}, {     15, 7}, {      8, 6}, \
106     {     17, 7}, {     16, 8}, {      9, 7}, {     19, 8}, \
107     {     11, 7}, {     23, 8}, {     13, 9}, {      7, 8}, \
108     {     19, 9}, {     11, 8}, {     25,10}, {      7, 9}, \
109     {     15, 8}, {     31, 9}, {     23,10}, {     15, 9}, \
110     {     39,10}, {     23,11}, {     15,10}, {     31, 9}, \
111     {     63,10}, {     47,11}, {     31,10}, {     63, 9}, \
112     {    127, 8}, {    255,10}, {     71, 9}, {    143, 8}, \
113     {    287, 7}, {    575,10}, {     79,11}, {     47,12}, \
114     {     31,11}, {     63,10}, {    127, 9}, {    255,10}, \
115     {    143, 9}, {    287,11}, {     79,10}, {    159, 9}, \
116     {    319, 8}, {    639,10}, {    175, 9}, {    351,11}, \
117     {     95,10}, {    191, 9}, {    383, 8}, {    767,11}, \
118     {    111,10}, {    223,12}, {     63,11}, {    127,10}, \
119     {    255, 9}, {    511,11}, {    143,10}, {    287, 9}, \
120     {    575,11}, {    159,10}, {    319, 9}, {    639,11}, \
121     {    175,10}, {    351,12}, {     95,11}, {    191,10}, \
122     {    383, 9}, {    767,11}, {    207,10}, {    415, 9}, \
123     {    831,11}, {    223,13}, {     63,12}, {    127,11}, \
124     {    255,10}, {    511,11}, {    287,10}, {    575,12}, \
125     {    159,11}, {    319,10}, {    639,11}, {    351,10}, \
126     {    703,12}, {    191,11}, {    383,10}, {    767,11}, \
127     {    415,12}, {    223,11}, {    447,13}, {   8192,14}, \
128     {  16384,15}, {  32768,16}, {  65536,17}, { 131072,18}, \
129     { 262144,19}, { 524288,20}, {1048576,21}, {2097152,22}, \
130     {4194304,23}, {8388608,24} }
131 #define SQR_FFT_TABLE3_SIZE 106
132 #define SQR_FFT_THRESHOLD                 1600
133 
134 #define MULLO_BASECASE_THRESHOLD             3
135 #define MULLO_DC_THRESHOLD                  33
136 #define MULLO_MUL_N_THRESHOLD             5240
137 
138 #define DC_DIV_QR_THRESHOLD                 28
139 #define DC_DIVAPPR_Q_THRESHOLD             106
140 #define DC_BDIV_QR_THRESHOLD                31
141 #define DC_BDIV_Q_THRESHOLD                 78
142 
143 #define INV_MULMOD_BNM1_THRESHOLD           43
144 #define INV_NEWTON_THRESHOLD               130
145 #define INV_APPR_THRESHOLD                 117
146 
147 #define BINV_NEWTON_THRESHOLD              149
148 #define REDC_1_TO_REDC_N_THRESHOLD          38
149 
150 #define MU_DIV_QR_THRESHOLD                680
151 #define MU_DIVAPPR_Q_THRESHOLD             748
152 #define MUPI_DIV_QR_THRESHOLD               66
153 #define MU_BDIV_QR_THRESHOLD               562
154 #define MU_BDIV_Q_THRESHOLD                680
155 
156 #define MATRIX22_STRASSEN_THRESHOLD         11
157 #define HGCD_THRESHOLD                      75
158 #define HGCD_APPR_THRESHOLD                 59
159 #define HGCD_REDUCE_THRESHOLD              901
160 #define GCD_DC_THRESHOLD                   186
161 #define GCDEXT_DC_THRESHOLD                150
162 #define JACOBI_BASE_METHOD                   3
163 
164 #define GET_STR_DC_THRESHOLD                27
165 #define GET_STR_PRECOMPUTE_THRESHOLD        40
166 #define SET_STR_DC_THRESHOLD               418
167 #define SET_STR_PRECOMPUTE_THRESHOLD      1111
168