xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/powerpc64/mode64/p7/gmp-mparam.h (revision aceb213538ec08a74028e213127af18aa17bf1cf)
1 /* POWER7 gmp-mparam.h -- Compiler/machine parameter header file.
2 
3 Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2009, 2010, 2011
4 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 /* 3550 MHz POWER7 (gcc110.fsffrance.org) */
25 
26 #define MOD_1_NORM_THRESHOLD                 0  /* always */
27 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
28 #define MOD_1N_TO_MOD_1_1_THRESHOLD          8
29 #define MOD_1U_TO_MOD_1_1_THRESHOLD          5
30 #define MOD_1_1_TO_MOD_1_2_THRESHOLD        12
31 #define MOD_1_2_TO_MOD_1_4_THRESHOLD        33
32 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     17
33 #define USE_PREINV_DIVREM_1                  0
34 #define DIV_QR_2_PI2_THRESHOLD           MP_SIZE_T_MAX  /* never */
35 #define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
36 #define BMOD_1_TO_MOD_1_THRESHOLD           38
37 
38 #define MUL_TOOM22_THRESHOLD                22
39 #define MUL_TOOM33_THRESHOLD                73
40 #define MUL_TOOM44_THRESHOLD               154
41 #define MUL_TOOM6H_THRESHOLD               270
42 #define MUL_TOOM8H_THRESHOLD               369
43 
44 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      81
45 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     122
46 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     105
47 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     105
48 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     112
49 
50 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
51 #define SQR_TOOM2_THRESHOLD                 30
52 #define SQR_TOOM3_THRESHOLD                109
53 #define SQR_TOOM4_THRESHOLD                178
54 #define SQR_TOOM6_THRESHOLD                303
55 #define SQR_TOOM8_THRESHOLD                357
56 
57 #define MULMID_TOOM42_THRESHOLD             62
58 
59 #define MULMOD_BNM1_THRESHOLD               16
60 #define SQRMOD_BNM1_THRESHOLD               18
61 
62 #define MUL_FFT_MODF_THRESHOLD             444  /* k = 5 */
63 #define MUL_FFT_TABLE3                                      \
64   { {    436, 5}, {     19, 6}, {     10, 5}, {     21, 6}, \
65     {     21, 7}, {     11, 6}, {     23, 7}, {     12, 6}, \
66     {     25, 7}, {     13, 6}, {     27, 7}, {     15, 6}, \
67     {     31, 7}, {     21, 8}, {     11, 7}, {     25, 8}, \
68     {     13, 7}, {     28, 8}, {     15, 7}, {     32, 8}, \
69     {     17, 7}, {     35, 8}, {     19, 7}, {     39, 8}, \
70     {     21, 9}, {     11, 8}, {     29, 9}, {     15, 8}, \
71     {     35, 9}, {     19, 8}, {     41, 9}, {     23, 8}, \
72     {     47, 9}, {     27,10}, {     15, 9}, {     31, 8}, \
73     {     63, 9}, {     43,10}, {     23, 9}, {     51,11}, \
74     {     15,10}, {     31, 9}, {     67,10}, {     39, 9}, \
75     {     79,10}, {     47, 9}, {     95,10}, {     55,11}, \
76     {     31,10}, {     79,11}, {     47,10}, {     95,12}, \
77     {     31,11}, {     63,10}, {    135,11}, {     79,10}, \
78     {    159,11}, {     95,10}, {    191,11}, {    111,12}, \
79     {     63,11}, {    127,10}, {    255,11}, {    143,10}, \
80     {    287, 9}, {    575,10}, {    303,11}, {    159,12}, \
81     {     95,11}, {    191,10}, {    383,13}, {     63,12}, \
82     {    127,11}, {    255,10}, {    511,11}, {    271,10}, \
83     {    543, 9}, {   1087,11}, {    287,10}, {    575,11}, \
84     {    303,12}, {    159,11}, {    319,10}, {    639,11}, \
85     {    335,10}, {    671,11}, {    351,10}, {    703,12}, \
86     {    191,11}, {    383,10}, {    767,11}, {    415,10}, \
87     {    831,12}, {    223,11}, {    447,13}, {   8192,14}, \
88     {  16384,15}, {  32768,16}, {  65536,17}, { 131072,18}, \
89     { 262144,19}, { 524288,20}, {1048576,21}, {2097152,22}, \
90     {4194304,23}, {8388608,24} }
91 #define MUL_FFT_TABLE3_SIZE 106
92 #define MUL_FFT_THRESHOLD                 5248
93 
94 #define SQR_FFT_MODF_THRESHOLD             380  /* k = 5 */
95 #define SQR_FFT_TABLE3                                      \
96   { {    308, 5}, {     17, 6}, {      9, 5}, {     19, 6}, \
97     {     21, 7}, {     11, 6}, {     23, 7}, {     21, 8}, \
98     {     11, 7}, {     24, 8}, {     13, 7}, {     27, 8}, \
99     {     15, 7}, {     31, 8}, {     21, 9}, {     11, 8}, \
100     {     27, 9}, {     15, 8}, {     33, 9}, {     19, 8}, \
101     {     41, 9}, {     23, 8}, {     47, 9}, {     27,10}, \
102     {     15, 9}, {     39,10}, {     23, 9}, {     47,11}, \
103     {     15,10}, {     31, 9}, {     67,10}, {     39, 9}, \
104     {     79,10}, {     47,11}, {     31,10}, {     79,11}, \
105     {     47,10}, {     95,12}, {     31,11}, {     63,10}, \
106     {    127, 9}, {    255,10}, {    135,11}, {     79,10}, \
107     {    159, 9}, {    319,11}, {     95,10}, {    191, 9}, \
108     {    383,12}, {     63,11}, {    127,10}, {    255, 9}, \
109     {    511,10}, {    271, 9}, {    543,11}, {    143,10}, \
110     {    287, 9}, {    575,11}, {    159,10}, {    319, 9}, \
111     {    639,11}, {    175,12}, {     95,11}, {    191,10}, \
112     {    383, 9}, {    767,11}, {    207,13}, {     63,12}, \
113     {    127,11}, {    255,10}, {    511,11}, {    271,10}, \
114     {    543,11}, {    287,10}, {    575,11}, {    303,12}, \
115     {    159,11}, {    319,10}, {    639, 9}, {   1279,10}, \
116     {    671,11}, {    351,10}, {    703,12}, {    191,11}, \
117     {    383,10}, {    767,11}, {    415,10}, {    831,12}, \
118     {    223,11}, {    447,10}, {    895,11}, {    479,13}, \
119     {   8192,14}, {  16384,15}, {  32768,16}, {  65536,17}, \
120     { 131072,18}, { 262144,19}, { 524288,20}, {1048576,21}, \
121     {2097152,22}, {4194304,23}, {8388608,24} }
122 #define SQR_FFT_TABLE3_SIZE 103
123 #define SQR_FFT_THRESHOLD                 3712
124 
125 #define MULLO_BASECASE_THRESHOLD             5
126 #define MULLO_DC_THRESHOLD                  33
127 #define MULLO_MUL_N_THRESHOLD            10323
128 
129 #define DC_DIV_QR_THRESHOLD                 57
130 #define DC_DIVAPPR_Q_THRESHOLD             185
131 #define DC_BDIV_QR_THRESHOLD                63
132 #define DC_BDIV_Q_THRESHOLD                158
133 
134 #define INV_MULMOD_BNM1_THRESHOLD           58
135 #define INV_NEWTON_THRESHOLD               212
136 #define INV_APPR_THRESHOLD                 187
137 
138 #define BINV_NEWTON_THRESHOLD              276
139 #define REDC_1_TO_REDC_N_THRESHOLD          63
140 
141 #define MU_DIV_QR_THRESHOLD               1442
142 #define MU_DIVAPPR_Q_THRESHOLD            1442
143 #define MUPI_DIV_QR_THRESHOLD               91
144 #define MU_BDIV_QR_THRESHOLD              1142
145 #define MU_BDIV_Q_THRESHOLD               1442
146 
147 #define POWM_SEC_TABLE  3,38,270,1487
148 
149 #define MATRIX22_STRASSEN_THRESHOLD         14
150 #define HGCD_THRESHOLD                     138
151 #define HGCD_APPR_THRESHOLD                157
152 #define HGCD_REDUCE_THRESHOLD             2578
153 #define GCD_DC_THRESHOLD                   573
154 #define GCDEXT_DC_THRESHOLD                440
155 #define JACOBI_BASE_METHOD                   4
156 
157 #define GET_STR_DC_THRESHOLD                14
158 #define GET_STR_PRECOMPUTE_THRESHOLD        32
159 #define SET_STR_DC_THRESHOLD              1517
160 #define SET_STR_PRECOMPUTE_THRESHOLD      3007
161 
162 #define FAC_DSC_THRESHOLD                  680
163 #define FAC_ODD_THRESHOLD                   24
164