xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/s390_32/esame/gmp-mparam.h (revision a24efa7dea9f1f56c3bdb15a927d3516792ace1c)
1 /* S/390-32 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 32
22 #define BYTES_PER_MP_LIMB 4
23 
24 /* 1200 MHz IBM z990 running in 32-bit mode */
25 
26 #define DIVREM_1_NORM_THRESHOLD              0  /* always */
27 #define DIVREM_1_UNNORM_THRESHOLD            4
28 #define MOD_1_1P_METHOD                      2
29 #define MOD_1_NORM_THRESHOLD                 0  /* always */
30 #define MOD_1_UNNORM_THRESHOLD               3
31 #define MOD_1N_TO_MOD_1_1_THRESHOLD         17
32 #define MOD_1U_TO_MOD_1_1_THRESHOLD          8
33 #define MOD_1_1_TO_MOD_1_2_THRESHOLD         0  /* never mpn_mod_1_1p */
34 #define MOD_1_2_TO_MOD_1_4_THRESHOLD        34
35 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     42
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           30
40 
41 #define MUL_TOOM22_THRESHOLD                16
42 #define MUL_TOOM33_THRESHOLD                57
43 #define MUL_TOOM44_THRESHOLD               147
44 #define MUL_TOOM6H_THRESHOLD               226
45 #define MUL_TOOM8H_THRESHOLD               333
46 
47 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      65
48 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     100
49 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      97
50 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     102
51 
52 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
53 #define SQR_TOOM2_THRESHOLD                 26
54 #define SQR_TOOM3_THRESHOLD                 81
55 #define SQR_TOOM4_THRESHOLD                154
56 #define SQR_TOOM6_THRESHOLD                318
57 #define SQR_TOOM8_THRESHOLD                478
58 
59 #define MULMID_TOOM42_THRESHOLD             38
60 
61 #define MULMOD_BNM1_THRESHOLD               13
62 #define SQRMOD_BNM1_THRESHOLD               15
63 
64 #define POWM_SEC_TABLE  4,23,262,892,2500
65 
66 #define MUL_FFT_MODF_THRESHOLD             336  /* k = 5 */
67 #define MUL_FFT_TABLE3                                      \
68   { {    336, 5}, {     19, 6}, {     11, 5}, {     23, 6}, \
69     {     17, 7}, {      9, 6}, {     21, 7}, {     11, 6}, \
70     {     24, 7}, {     13, 6}, {     27, 7}, {     15, 6}, \
71     {     31, 7}, {     27, 8}, {     15, 7}, {     33, 8}, \
72     {     19, 7}, {     39, 8}, {     23, 7}, {     47, 8}, \
73     {     27, 9}, {     15, 8}, {     31, 7}, {     63, 8}, \
74     {     39, 9}, {     23, 8}, {     51,10}, {     15, 9}, \
75     {     31, 8}, {     63, 9}, {     39, 8}, {     79, 9}, \
76     {     47,10}, {     31, 9}, {     79,10}, {     47,11}, \
77     {   2048,12}, {   4096,13}, {   8192,14}, {  16384,15}, \
78     {  32768,16} }
79 #define MUL_FFT_TABLE3_SIZE 41
80 #define MUL_FFT_THRESHOLD                 2752
81 
82 #define SQR_FFT_MODF_THRESHOLD             308  /* k = 5 */
83 #define SQR_FFT_TABLE3                                      \
84   { {    308, 5}, {     20, 6}, {     11, 5}, {     23, 6}, \
85     {     21, 7}, {     11, 6}, {     24, 7}, {     15, 6}, \
86     {     31, 7}, {     21, 8}, {     11, 7}, {     27, 8}, \
87     {     15, 7}, {     33, 8}, {     19, 7}, {     39, 8}, \
88     {     23, 7}, {     47, 8}, {     27, 9}, {     15, 8}, \
89     {     39, 9}, {     23, 8}, {     47,10}, {     15, 9}, \
90     {     31, 8}, {     63, 9}, {     47,10}, {     31, 9}, \
91     {     79,10}, {     47,11}, {   2048,12}, {   4096,13}, \
92     {   8192,14}, {  16384,15}, {  32768,16} }
93 #define SQR_FFT_TABLE3_SIZE 35
94 #define SQR_FFT_THRESHOLD                 2368
95 
96 #define MULLO_BASECASE_THRESHOLD             5
97 #define MULLO_DC_THRESHOLD                  49
98 #define MULLO_MUL_N_THRESHOLD             5397
99 
100 #define DC_DIV_QR_THRESHOLD                 42
101 #define DC_DIVAPPR_Q_THRESHOLD             146
102 #define DC_BDIV_QR_THRESHOLD                51
103 #define DC_BDIV_Q_THRESHOLD                124
104 
105 #define INV_MULMOD_BNM1_THRESHOLD           46
106 #define INV_NEWTON_THRESHOLD               179
107 #define INV_APPR_THRESHOLD                 153
108 
109 #define BINV_NEWTON_THRESHOLD              214
110 #define REDC_1_TO_REDC_N_THRESHOLD          55
111 
112 #define MU_DIV_QR_THRESHOLD               1078
113 #define MU_DIVAPPR_Q_THRESHOLD            1078
114 #define MUPI_DIV_QR_THRESHOLD               74
115 #define MU_BDIV_QR_THRESHOLD               872
116 #define MU_BDIV_Q_THRESHOLD               1078
117 
118 #define MATRIX22_STRASSEN_THRESHOLD         14
119 #define HGCD_THRESHOLD                      90
120 #define HGCD_APPR_THRESHOLD                111
121 #define HGCD_REDUCE_THRESHOLD             1962
122 #define GCD_DC_THRESHOLD                   225
123 #define GCDEXT_DC_THRESHOLD                217
124 #define JACOBI_BASE_METHOD                   2
125 
126 #define GET_STR_DC_THRESHOLD                13
127 #define GET_STR_PRECOMPUTE_THRESHOLD        27
128 #define SET_STR_DC_THRESHOLD               274
129 #define SET_STR_PRECOMPUTE_THRESHOLD       824
130