1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/* Software floating-point machine description for SuperH.
Copyright (C) 2024-2025 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#define _FP_W_TYPE_SIZE 32
#define _FP_W_TYPE unsigned long
#define _FP_WS_TYPE signed long
#define _FP_I_TYPE long
#define _FP_MUL_MEAT_S(R,X,Y) \
_FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
#define _FP_MUL_MEAT_D(R,X,Y) \
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
#define _FP_MUL_MEAT_Q(R,X,Y) \
_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
#define _FP_NANFRAC_B (_FP_QNANBIT_B - 1)
#define _FP_NANFRAC_H (_FP_QNANBIT_H - 1)
#define _FP_NANFRAC_S (_FP_QNANBIT_S - 1)
#define _FP_NANFRAC_D (_FP_QNANBIT_D - 1), -1
#define _FP_NANFRAC_Q (_FP_QNANBIT_Q - 1), -1, -1, -1
/* The type of the result of a floating point comparison. This must
match __libgcc_cmp_return__ in GCC for the target. */
typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define CMPtype __gcc_CMPtype
#define _FP_NANSIGN_B 0
#define _FP_NANSIGN_H 0
#define _FP_NANSIGN_S 0
#define _FP_NANSIGN_D 0
#define _FP_NANSIGN_Q 0
#define _FP_KEEPNANFRACP 1
#define _FP_QNANNEGATEDP 1
/* X is chosen unless one of the NaNs is sNaN. */
# define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
do { \
if ((_FP_FRAC_HIGH_RAW_##fs(X) | \
_FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \
{ \
R##_s = _FP_NANSIGN_##fs; \
_FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \
} \
else \
{ \
R##_s = X##_s; \
_FP_FRAC_COPY_##wc(R,X); \
} \
R##_c = FP_CLS_NAN; \
} while (0)
#ifdef __SH_FPU_ANY__
#define _FPU_GETCW(fpscr) fpscr = __builtin_sh_get_fpscr ()
#define _FPU_SETCW(fpscr) __builtin_sh_set_fpscr (fpscr)
#define FP_EX_ENABLE_SHIFT 5
#define FP_EX_CAUSE_SHIFT 10
#define FP_EX_INVALID 0x0040
#define FP_EX_DIVZERO 0x0020
#if defined (__SH2E__)
#define FP_EX_ALL (FP_EX_DIVZERO | FP_EX_INVALID)
#else
#define FP_EX_OVERFLOW 0x0010
#define FP_EX_UNDERFLOW 0x0008
#define FP_EX_INEXACT 0x0004
#define FP_EX_ALL (FP_EX_DIVZERO | FP_EX_INEXACT | \
FP_EX_INVALID | FP_EX_OVERFLOW | FP_EX_UNDERFLOW)
#endif
#define _FP_DECL_EX \
unsigned int _fcsr __attribute__ ((unused)) = FP_RND_NEAREST
/* Rounding modes. */
#define FP_RND_NEAREST 0x0
#define FP_RND_ZERO 0x1
/* Placeholder, hardware does not have PINF/MINF modes. */
#define FP_RND_PINF 0x2
#define FP_RND_MINF 0x3
#define FP_RND_MASK 3
#define FP_INIT_ROUNDMODE _FPU_GETCW (_fcsr)
#define FP_ROUNDMODE (_fcsr & FP_RND_MASK)
#define FP_TRAPPING_EXCEPTIONS ((_fcsr >> FP_EX_ENABLE_SHIFT) & FP_EX_ALL)
#define FP_HANDLE_EXCEPTIONS \
do { \
_fcsr &= ~(FP_EX_ALL << FP_EX_CAUSE_SHIFT); \
_fcsr |= _fex | (_fex << FP_EX_CAUSE_SHIFT); \
_FPU_SETCW (_fcsr); \
} while (0)
#else
#define FP_EX_INVALID (1 << 4)
#define FP_EX_DIVZERO (1 << 3)
#if !defined (__SH2E__)
#define FP_EX_OVERFLOW (1 << 2)
#define FP_EX_UNDERFLOW (1 << 1)
#define FP_EX_INEXACT (1 << 0)
#endif
#endif
#define _FP_TININESS_AFTER_ROUNDING 1
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
#define __BYTE_ORDER __BIG_ENDIAN
#else
#define __BYTE_ORDER __LITTLE_ENDIAN
#endif
/* Define ALIASNAME as a strong alias for NAME. */
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
|
