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e430824f | 1 | /* Soft-FP definitions for Altera Nios II. |
a5544970 | 2 | Copyright (C) 2013-2019 Free Software Foundation, Inc. |
e430824f CLT |
3 | |
4 | This file is free software; you can redistribute it and/or modify it | |
5 | under the terms of the GNU General Public License as published by the | |
6 | Free Software Foundation; either version 3, or (at your option) any | |
7 | later version. | |
8 | ||
9 | This file is distributed in the hope that it will be useful, but | |
10 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | General Public License for more details. | |
13 | ||
14 | Under Section 7 of GPL version 3, you are granted additional | |
15 | permissions described in the GCC Runtime Library Exception, version | |
16 | 3.1, as published by the Free Software Foundation. | |
17 | ||
18 | You should have received a copy of the GNU General Public License and | |
19 | a copy of the GCC Runtime Library Exception along with this program; | |
20 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
21 | <http://www.gnu.org/licenses/>. */ | |
22 | ||
23 | #define _FP_W_TYPE_SIZE 32 | |
24 | #define _FP_W_TYPE unsigned long | |
25 | #define _FP_WS_TYPE signed long | |
26 | #define _FP_I_TYPE long | |
27 | ||
28 | #define _FP_MUL_MEAT_S(R,X,Y) \ | |
29 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) | |
30 | #define _FP_MUL_MEAT_D(R,X,Y) \ | |
31 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | |
32 | #define _FP_MUL_MEAT_Q(R,X,Y) \ | |
33 | _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | |
34 | ||
35 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) | |
36 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) | |
37 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) | |
38 | ||
39 | #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) | |
40 | #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 | |
41 | #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 | |
42 | #define _FP_NANSIGN_S 0 | |
43 | #define _FP_NANSIGN_D 0 | |
44 | #define _FP_NANSIGN_Q 0 | |
45 | ||
46 | #define _FP_KEEPNANFRACP 1 | |
47 | #define _FP_QNANNEGATEDP 0 | |
48 | ||
49 | /* Someone please check this. */ | |
50 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | |
51 | do { \ | |
52 | if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ | |
53 | && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ | |
54 | { \ | |
55 | R##_s = Y##_s; \ | |
56 | _FP_FRAC_COPY_##wc(R,Y); \ | |
57 | } \ | |
58 | else \ | |
59 | { \ | |
60 | R##_s = X##_s; \ | |
61 | _FP_FRAC_COPY_##wc(R,X); \ | |
62 | } \ | |
63 | R##_c = FP_CLS_NAN; \ | |
64 | } while (0) | |
65 | ||
9acf28f1 JM |
66 | /* Not checked. */ |
67 | #define _FP_TININESS_AFTER_ROUNDING 0 | |
68 | ||
e430824f CLT |
69 | #define __LITTLE_ENDIAN 1234 |
70 | #define __BIG_ENDIAN 4321 | |
71 | ||
72 | #ifdef __nios2_little_endian__ | |
73 | #define __BYTE_ORDER __LITTLE_ENDIAN | |
74 | #else | |
75 | #define __BYTE_ORDER __BIG_ENDIAN | |
76 | #endif | |
77 | ||
78 | /* Define ALIASNAME as a strong alias for NAME. */ | |
79 | # define strong_alias(name, aliasname) _strong_alias(name, aliasname) | |
80 | # define _strong_alias(name, aliasname) \ | |
81 | extern __typeof (name) aliasname __attribute__ ((alias (#name))); |