xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/powerpc64/mode64/p6/gmp-mparam.h (revision 501cd18a74d52bfcca7d9e7e3b0d472bbc870558)
1 /* POWER6 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 /* 3500 MHz POWER6 (kolga.bibsys.no) */
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          3
29 #define MOD_1U_TO_MOD_1_1_THRESHOLD          3
30 #define MOD_1_1_TO_MOD_1_2_THRESHOLD        12
31 #define MOD_1_2_TO_MOD_1_4_THRESHOLD         0  /* never mpn_mod_1s_2p */
32 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD      6
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           21
37 
38 #define MUL_TOOM22_THRESHOLD                20
39 #define MUL_TOOM33_THRESHOLD                50
40 #define MUL_TOOM44_THRESHOLD               106
41 #define MUL_TOOM6H_THRESHOLD               274
42 #define MUL_TOOM8H_THRESHOLD               339
43 
44 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      62
45 #define MUL_TOOM32_TO_TOOM53_THRESHOLD      76
46 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      73
47 #define MUL_TOOM42_TO_TOOM63_THRESHOLD      66
48 #define MUL_TOOM43_TO_TOOM54_THRESHOLD      88
49 
50 #define SQR_BASECASE_THRESHOLD               0  /* always (native) */
51 #define SQR_TOOM2_THRESHOLD                 24
52 #define SQR_TOOM3_THRESHOLD                 49
53 #define SQR_TOOM4_THRESHOLD                130
54 #define SQR_TOOM6_THRESHOLD                226
55 #define SQR_TOOM8_THRESHOLD                272
56 
57 #define MULMID_TOOM42_THRESHOLD             36
58 
59 #define MULMOD_BNM1_THRESHOLD               14
60 #define SQRMOD_BNM1_THRESHOLD               14
61 
62 #define MUL_FFT_MODF_THRESHOLD             380  /* k = 5 */
63 #define MUL_FFT_TABLE3                                      \
64   { {    340, 5}, {     19, 6}, {     10, 5}, {     21, 6}, \
65     {     11, 5}, {     23, 6}, {     21, 7}, {     11, 6}, \
66     {     23, 7}, {     12, 6}, {     25, 7}, {     21, 8}, \
67     {     11, 7}, {     24, 8}, {     13, 7}, {     27, 8}, \
68     {     21, 9}, {     11, 8}, {     25, 9}, {     15, 8}, \
69     {     33, 9}, {     23, 8}, {     47, 9}, {     27,10}, \
70     {     15, 9}, {     39,10}, {     23, 9}, {     47,11}, \
71     {     15,10}, {     31, 9}, {     63,10}, {     47,11}, \
72     {     31,10}, {     71,11}, {     47,12}, {     31,11}, \
73     {     63,10}, {    127, 9}, {    255, 8}, {    511,10}, \
74     {    135, 9}, {    271,11}, {     79, 9}, {    319, 8}, \
75     {    639,10}, {    175,11}, {     95,10}, {    191, 9}, \
76     {    383,10}, {    207,12}, {     63,10}, {    255, 9}, \
77     {    511,10}, {    271, 9}, {    543,11}, {    143,10}, \
78     {    287, 9}, {    575,10}, {    303, 9}, {    607,10}, \
79     {    319, 9}, {    639,11}, {    175,12}, {     95,11}, \
80     {    191,10}, {    383,11}, {    207,10}, {    415,13}, \
81     {   8192,14}, {  16384,15}, {  32768,16}, {  65536,17}, \
82     { 131072,18}, { 262144,19}, { 524288,20}, {1048576,21}, \
83     {2097152,22}, {4194304,23}, {8388608,24} }
84 #define MUL_FFT_TABLE3_SIZE 79
85 #define MUL_FFT_THRESHOLD                 3520
86 
87 #define SQR_FFT_MODF_THRESHOLD             308  /* k = 5 */
88 #define SQR_FFT_TABLE3                                      \
89   { {    280, 5}, {     17, 6}, {      9, 5}, {     19, 6}, \
90     {     21, 7}, {     11, 6}, {     23, 7}, {     21, 8}, \
91     {     11, 7}, {     24, 8}, {     13, 7}, {     27, 8}, \
92     {     21, 9}, {     11, 8}, {     25, 9}, {     15, 8}, \
93     {     33, 9}, {     19, 8}, {     39, 9}, {     23, 8}, \
94     {     47, 9}, {     27,10}, {     15, 9}, {     39,10}, \
95     {     23, 9}, {     47,11}, {     15,10}, {     31, 9}, \
96     {     63,10}, {     47,11}, {     31,10}, {     71, 9}, \
97     {    143,11}, {     47,12}, {     31,11}, {     63, 9}, \
98     {    255, 8}, {    511, 9}, {    271,10}, {    143,11}, \
99     {     79,10}, {    159, 9}, {    319,10}, {    175, 9}, \
100     {    351,11}, {     95,10}, {    191, 9}, {    383,10}, \
101     {    207,12}, {     63,11}, {    127,10}, {    255, 9}, \
102     {    511, 8}, {   1023,10}, {    271, 9}, {    543,11}, \
103     {    143,10}, {    287, 9}, {    575,11}, {    159,10}, \
104     {    319, 9}, {    639,11}, {    175,10}, {    351,12}, \
105     {     95,11}, {    191,10}, {    383,11}, {    207,10}, \
106     {    415,13}, {   8192,14}, {  16384,15}, {  32768,16}, \
107     {  65536,17}, { 131072,18}, { 262144,19}, { 524288,20}, \
108     {1048576,21}, {2097152,22}, {4194304,23}, {8388608,24} }
109 #define SQR_FFT_TABLE3_SIZE 80
110 #define SQR_FFT_THRESHOLD                 2752
111 
112 #define MULLO_BASECASE_THRESHOLD             5
113 #define MULLO_DC_THRESHOLD                  62
114 #define MULLO_MUL_N_THRESHOLD             2995
115 
116 #define DC_DIV_QR_THRESHOLD                 59
117 #define DC_DIVAPPR_Q_THRESHOLD             200
118 #define DC_BDIV_QR_THRESHOLD                70
119 #define DC_BDIV_Q_THRESHOLD                168
120 
121 #define INV_MULMOD_BNM1_THRESHOLD           53
122 #define INV_NEWTON_THRESHOLD               170
123 #define INV_APPR_THRESHOLD                 166
124 
125 #define BINV_NEWTON_THRESHOLD              220
126 #define REDC_1_TO_REDC_N_THRESHOLD          67
127 
128 #define MU_DIV_QR_THRESHOLD                998
129 #define MU_DIVAPPR_Q_THRESHOLD             942
130 #define MUPI_DIV_QR_THRESHOLD               57
131 #define MU_BDIV_QR_THRESHOLD               889
132 #define MU_BDIV_Q_THRESHOLD               1078
133 
134 #define POWM_SEC_TABLE  4,26,216,804,1731
135 
136 #define MATRIX22_STRASSEN_THRESHOLD         13
137 #define HGCD_THRESHOLD                     106
138 #define HGCD_APPR_THRESHOLD                109
139 #define HGCD_REDUCE_THRESHOLD             2205
140 #define GCD_DC_THRESHOLD                   492
141 #define GCDEXT_DC_THRESHOLD                327
142 #define JACOBI_BASE_METHOD                   4
143 
144 #define GET_STR_DC_THRESHOLD                16
145 #define GET_STR_PRECOMPUTE_THRESHOLD        28
146 #define SET_STR_DC_THRESHOLD               537
147 #define SET_STR_PRECOMPUTE_THRESHOLD      1576
148 
149 #define FAC_DSC_THRESHOLD                  426
150 #define FAC_ODD_THRESHOLD                    0  /* always */
151