xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/powerpc32/p3/gmp-mparam.h (revision 48fb7bfab72acd4281a53bbee5ccf3f809019e75)
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 /* 450 MHz POWER3 */
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          3
32 #define MOD_1U_TO_MOD_1_1_THRESHOLD          2
33 #define MOD_1_1_TO_MOD_1_2_THRESHOLD        12
34 #define MOD_1_2_TO_MOD_1_4_THRESHOLD        18
35 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD      8
36 #define USE_PREINV_DIVREM_1                  1
37 #define DIVEXACT_1_THRESHOLD                 0  /* always */
38 #define BMOD_1_TO_MOD_1_THRESHOLD        MP_SIZE_T_MAX  /* never */
39 
40 #define MUL_TOOM22_THRESHOLD                10
41 #define MUL_TOOM33_THRESHOLD                38
42 #define MUL_TOOM44_THRESHOLD                58
43 #define MUL_TOOM6H_THRESHOLD               129
44 #define MUL_TOOM8H_THRESHOLD               212
45 
46 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      65
47 #define MUL_TOOM32_TO_TOOM53_THRESHOLD      63
48 #define MUL_TOOM42_TO_TOOM53_THRESHOLD      59
49 #define MUL_TOOM42_TO_TOOM63_THRESHOLD      64
50 
51 #define SQR_BASECASE_THRESHOLD               0  /* always */
52 #define SQR_TOOM2_THRESHOLD                 14
53 #define SQR_TOOM3_THRESHOLD                 53
54 #define SQR_TOOM4_THRESHOLD                 76
55 #define SQR_TOOM6_THRESHOLD                106
56 #define SQR_TOOM8_THRESHOLD                284
57 
58 #define MULMOD_BNM1_THRESHOLD                9
59 #define SQRMOD_BNM1_THRESHOLD                9
60 
61 #define MUL_FFT_MODF_THRESHOLD             220  /* k = 5 */
62 #define MUL_FFT_TABLE3                                      \
63   { {    220, 5}, {     13, 6}, {      7, 5}, {     15, 6}, \
64     {      9, 5}, {     19, 6}, {     13, 7}, {      7, 6}, \
65     {     16, 7}, {     13, 8}, {      7, 7}, {     19, 8}, \
66     {     11, 7}, {     23, 9}, {      7, 8}, {     15, 7}, \
67     {     33, 8}, {     23, 9}, {     15, 8}, {     35, 9}, \
68     {     23,10}, {     15, 9}, {     31, 8}, {     67, 9}, \
69     {     39, 8}, {     79, 9}, {     47,10}, {     31, 9}, \
70     {     63, 8}, {    127, 9}, {     71, 8}, {    143, 9}, \
71     {     79,10}, {     47,11}, {     31,10}, {     63, 9}, \
72     {    127, 8}, {    255, 9}, {    143,10}, {     79, 9}, \
73     {    159, 8}, {    319, 9}, {    175, 8}, {    351,10}, \
74     {     95, 9}, {    191, 8}, {    383,10}, {    111,11}, \
75     {     63,10}, {    127, 9}, {    255,10}, {    143, 9}, \
76     {    287, 8}, {    575,10}, {    159, 9}, {    319,10}, \
77     {    175, 9}, {    351,11}, {     95,10}, {    191, 9}, \
78     {    383,10}, {    207, 9}, {    415,12}, {     63,11}, \
79     {    127,10}, {    255, 9}, {    511,10}, {    287, 9}, \
80     {    575,11}, {    159,10}, {    351, 9}, {    703, 8}, \
81     {   1407,11}, {    191,10}, {    415,11}, {    223,10}, \
82     {    447, 9}, {    895,12}, {   4096,13}, {   8192,14}, \
83     {  16384,15}, {  32768,16} }
84 #define MUL_FFT_TABLE3_SIZE 82
85 #define MUL_FFT_THRESHOLD                 2688
86 
87 #define SQR_FFT_MODF_THRESHOLD             176  /* k = 5 */
88 #define SQR_FFT_TABLE3                                      \
89   { {    176, 5}, {     13, 6}, {      7, 5}, {     15, 6}, \
90     {     13, 7}, {      7, 6}, {     16, 7}, {      9, 6}, \
91     {     19, 7}, {     11, 6}, {     23, 7}, {     13, 8}, \
92     {      7, 7}, {     19, 8}, {     11, 7}, {     23, 9}, \
93     {      7, 8}, {     15, 7}, {     31, 8}, {     23, 9}, \
94     {     15, 8}, {     39, 9}, {     23,10}, {     15, 9}, \
95     {     31, 8}, {     63, 9}, {     39, 8}, {     79, 9}, \
96     {     47, 8}, {     95,10}, {     31, 9}, {     63, 8}, \
97     {    127, 9}, {     71, 8}, {    143, 7}, {    287, 6}, \
98     {    575, 9}, {     79, 8}, {    159,10}, {     47, 9}, \
99     {     95,11}, {     31,10}, {     63, 9}, {    127, 8}, \
100     {    255, 9}, {    143, 8}, {    287, 7}, {    575,10}, \
101     {     79, 9}, {    159, 8}, {    319, 9}, {    175,10}, \
102     {     95, 9}, {    191, 8}, {    383,10}, {    111, 9}, \
103     {    223,11}, {     63,10}, {    127, 9}, {    255,10}, \
104     {    143, 9}, {    287, 8}, {    575,10}, {    159, 9}, \
105     {    319,10}, {    175,11}, {     95,10}, {    191, 9}, \
106     {    383,10}, {    223,12}, {     63,11}, {    127,10}, \
107     {    287, 9}, {    575,11}, {    159,10}, {    351, 9}, \
108     {    703, 8}, {   1407,11}, {    191,10}, {    383,11}, \
109     {    223,10}, {    447, 9}, {    895,12}, {   4096,13}, \
110     {   8192,14}, {  16384,15}, {  32768,16} }
111 #define SQR_FFT_TABLE3_SIZE 87
112 #define SQR_FFT_THRESHOLD                 1728
113 
114 #define MULLO_BASECASE_THRESHOLD             2
115 #define MULLO_DC_THRESHOLD                  33
116 #define MULLO_MUL_N_THRESHOLD             5240
117 
118 #define DC_DIV_QR_THRESHOLD                 32
119 #define DC_DIVAPPR_Q_THRESHOLD             123
120 #define DC_BDIV_QR_THRESHOLD                34
121 #define DC_BDIV_Q_THRESHOLD                 84
122 
123 #define INV_MULMOD_BNM1_THRESHOLD           42
124 #define INV_NEWTON_THRESHOLD               129
125 #define INV_APPR_THRESHOLD                 124
126 
127 #define BINV_NEWTON_THRESHOLD              148
128 #define REDC_1_TO_REDC_N_THRESHOLD          38
129 
130 #define MU_DIV_QR_THRESHOLD                748
131 #define MU_DIVAPPR_Q_THRESHOLD             748
132 #define MUPI_DIV_QR_THRESHOLD               59
133 #define MU_BDIV_QR_THRESHOLD               562
134 #define MU_BDIV_Q_THRESHOLD                654
135 
136 #define MATRIX22_STRASSEN_THRESHOLD         11
137 #define HGCD_THRESHOLD                      76
138 #define GCD_DC_THRESHOLD                   205
139 #define GCDEXT_DC_THRESHOLD                174
140 #define JACOBI_BASE_METHOD                   1
141 
142 #define GET_STR_DC_THRESHOLD                14
143 #define GET_STR_PRECOMPUTE_THRESHOLD        27
144 #define SET_STR_DC_THRESHOLD               181
145 #define SET_STR_PRECOMPUTE_THRESHOLD       525
146