xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/powerpc32/p7/gmp-mparam.h (revision fdd524d4ccd2bb0c6f67401e938dabf773eb0372)
1 /* PowerPC-32 gmp-mparam.h -- Compiler/machine parameter header file.
2 
3 Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2004, 2008, 2009,
4 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 /* 3550 MHz POWER7/T4 */
25 
26 #define DIVREM_1_NORM_THRESHOLD              0  /* always */
27 #define DIVREM_1_UNNORM_THRESHOLD            0  /* always */
28 #define MOD_1_1P_METHOD                      1
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          7
32 #define MOD_1U_TO_MOD_1_1_THRESHOLD          7
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     15
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           34
40 
41 #define MUL_TOOM22_THRESHOLD                20
42 #define MUL_TOOM33_THRESHOLD                89
43 #define MUL_TOOM44_THRESHOLD               130
44 #define MUL_TOOM6H_THRESHOLD               286
45 #define MUL_TOOM8H_THRESHOLD               363
46 
47 #define MUL_TOOM32_TO_TOOM43_THRESHOLD     121
48 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     114
49 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      89
50 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     113
51 
52 #define SQR_BASECASE_THRESHOLD               4
53 #define SQR_TOOM2_THRESHOLD                 50
54 #define SQR_TOOM3_THRESHOLD                 89
55 #define SQR_TOOM4_THRESHOLD                154
56 #define SQR_TOOM6_THRESHOLD                222
57 #define SQR_TOOM8_THRESHOLD                381
58 
59 #define MULMID_TOOM42_THRESHOLD             40
60 
61 #define MULMOD_BNM1_THRESHOLD               18
62 #define SQRMOD_BNM1_THRESHOLD               17
63 
64 #define POWM_SEC_TABLE  4,35,225,780,2212
65 
66 #define MUL_FFT_MODF_THRESHOLD             476  /* k = 5 */
67 #define MUL_FFT_TABLE3                                      \
68   { {    476, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
69     {     12, 5}, {     25, 6}, {     13, 5}, {     27, 6}, \
70     {     14, 5}, {     29, 6}, {     21, 7}, {     11, 6}, \
71     {     25, 7}, {     13, 6}, {     29, 7}, {     15, 6}, \
72     {     31, 7}, {     17, 6}, {     35, 7}, {     19, 6}, \
73     {     39, 7}, {     21, 8}, {     11, 7}, {     27, 8}, \
74     {     15, 7}, {     35, 8}, {     19, 7}, {     41, 8}, \
75     {     27, 9}, {     15, 8}, {     39, 9}, {     23, 8}, \
76     {     51,10}, {     15, 9}, {     31, 8}, {     67, 9}, \
77     {     39, 8}, {     79, 9}, {     47, 8}, {     95, 9}, \
78     {     55,10}, {     31, 9}, {     79,10}, {     47, 9}, \
79     {     95,11}, {     31,10}, {     63, 9}, {    135,10}, \
80     {     79, 9}, {    159,10}, {     95,11}, {     63,10}, \
81     {    159,11}, {     95,12}, {     63,11}, {    127,10}, \
82     {    255, 9}, {    511,10}, {    271, 9}, {    543, 8}, \
83     {   1087,11}, {    159,10}, {    319, 9}, {    639,10}, \
84     {    335, 9}, {    671, 8}, {   1343,10}, {    351,11}, \
85     {    191,10}, {    415, 9}, {    831,10}, {    431,11}, \
86     {    223,12}, {   4096,13}, {   8192,14}, {  16384,15}, \
87     {  32768,16} }
88 #define MUL_FFT_TABLE3_SIZE 77
89 #define MUL_FFT_THRESHOLD                 5312
90 
91 #define SQR_FFT_MODF_THRESHOLD             344  /* k = 5 */
92 #define SQR_FFT_TABLE3                                      \
93   { {    344, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
94     {     21, 7}, {     11, 6}, {     24, 7}, {     13, 6}, \
95     {     27, 7}, {     15, 6}, {     31, 7}, {     21, 8}, \
96     {     11, 7}, {     27, 8}, {     15, 7}, {     33, 8}, \
97     {     19, 7}, {     39, 8}, {     27, 9}, {     15, 8}, \
98     {     39, 9}, {     23, 8}, {     47,10}, {     15, 9}, \
99     {     31, 8}, {     63, 9}, {     39, 8}, {     79, 9}, \
100     {     47,10}, {     31, 9}, {     79,10}, {     47,11}, \
101     {     31,10}, {     63, 9}, {    135,10}, {     79, 9}, \
102     {    159,10}, {     95, 9}, {    191,11}, {     63,10}, \
103     {    127, 9}, {    255, 8}, {    511, 9}, {    271,10}, \
104     {    143, 9}, {    287, 8}, {    575, 9}, {    303,10}, \
105     {    159,11}, {     95,10}, {    191,12}, {     63,11}, \
106     {    127,10}, {    255, 9}, {    511,10}, {    271, 9}, \
107     {    543, 8}, {   1087,10}, {    287, 9}, {    575,10}, \
108     {    303,11}, {    159,10}, {    319, 9}, {    639,10}, \
109     {    335, 9}, {    671,10}, {    351, 9}, {    703,11}, \
110     {    191,10}, {    383, 9}, {    767,10}, {    415, 9}, \
111     {    831,11}, {    223,10}, {    447,12}, {   4096,13}, \
112     {   8192,14}, {  16384,15}, {  32768,16} }
113 #define SQR_FFT_TABLE3_SIZE 79
114 #define SQR_FFT_THRESHOLD                 3712
115 
116 #define MULLO_BASECASE_THRESHOLD             2
117 #define MULLO_DC_THRESHOLD                  34
118 #define MULLO_MUL_N_THRESHOLD            10323
119 
120 #define DC_DIV_QR_THRESHOLD                 52
121 #define DC_DIVAPPR_Q_THRESHOLD             202
122 #define DC_BDIV_QR_THRESHOLD                68
123 #define DC_BDIV_Q_THRESHOLD                152
124 
125 #define INV_MULMOD_BNM1_THRESHOLD           66
126 #define INV_NEWTON_THRESHOLD               226
127 #define INV_APPR_THRESHOLD                 189
128 
129 #define BINV_NEWTON_THRESHOLD              292
130 #define REDC_1_TO_REDC_N_THRESHOLD          79
131 
132 #define MU_DIV_QR_THRESHOLD               1442
133 #define MU_DIVAPPR_Q_THRESHOLD            1442
134 #define MUPI_DIV_QR_THRESHOLD               91
135 #define MU_BDIV_QR_THRESHOLD              1308
136 #define MU_BDIV_Q_THRESHOLD               1442
137 
138 #define MATRIX22_STRASSEN_THRESHOLD         16
139 #define HGCD_THRESHOLD                     126
140 #define HGCD_APPR_THRESHOLD                139
141 #define HGCD_REDUCE_THRESHOLD             2681
142 #define GCD_DC_THRESHOLD                   573
143 #define GCDEXT_DC_THRESHOLD                448
144 #define JACOBI_BASE_METHOD                   4
145 
146 #define GET_STR_DC_THRESHOLD                 9
147 #define GET_STR_PRECOMPUTE_THRESHOLD        20
148 #define SET_STR_DC_THRESHOLD               834
149 #define SET_STR_PRECOMPUTE_THRESHOLD      1888
150