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1/* SPDX-License-Identifier: GPL-2.0+
2 *
3 * Machine-dependent software floating-point definitions.
4 SuperH kernel version.
5 Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
6 This file is part of the GNU C Library.
7 Contributed by Richard Henderson (rth@cygnus.com),
8 Jakub Jelinek (jj@ultra.linux.cz),
9 David S. Miller (davem@redhat.com) and
10 Peter Maydell (pmaydell@chiark.greenend.org.uk).
11*/
12
13#ifndef _SFP_MACHINE_H
14#define _SFP_MACHINE_H
15
16#ifdef __BIG_ENDIAN__
17#define __BYTE_ORDER __BIG_ENDIAN
18#define __LITTLE_ENDIAN 0
19#else
20#define __BYTE_ORDER __LITTLE_ENDIAN
21#define __BIG_ENDIAN 0
22#endif
23
24#define _FP_W_TYPE_SIZE 32
25#define _FP_W_TYPE unsigned long
26#define _FP_WS_TYPE signed long
27#define _FP_I_TYPE long
28
29#define _FP_MUL_MEAT_S(R,X,Y) \
30 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
31#define _FP_MUL_MEAT_D(R,X,Y) \
32 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
33#define _FP_MUL_MEAT_Q(R,X,Y) \
34 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
35
36#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
37#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
38#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
39
40#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
41#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
42#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
43#define _FP_NANSIGN_S 0
44#define _FP_NANSIGN_D 0
45#define _FP_NANSIGN_Q 0
46
47#define _FP_KEEPNANFRACP 1
48
49/*
50 * If one NaN is signaling and the other is not,
51 * we choose that one, otherwise we choose X.
52 */
53#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
54 do { \
55 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
56 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
57 { \
58 R##_s = Y##_s; \
59 _FP_FRAC_COPY_##wc(R,Y); \
60 } \
61 else \
62 { \
63 R##_s = X##_s; \
64 _FP_FRAC_COPY_##wc(R,X); \
65 } \
66 R##_c = FP_CLS_NAN; \
67 } while (0)
68
69//#define FP_ROUNDMODE FPSCR_RM
70#define FP_DENORM_ZERO 1/*FPSCR_DN*/
71
72/* Exception flags. */
73#define FP_EX_INVALID (1<<4)
74#define FP_EX_DIVZERO (1<<3)
75#define FP_EX_OVERFLOW (1<<2)
76#define FP_EX_UNDERFLOW (1<<1)
77#define FP_EX_INEXACT (1<<0)
78
79#endif
80
1/* Machine-dependent software floating-point definitions.
2 SuperH kernel version.
3 Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Richard Henderson (rth@cygnus.com),
6 Jakub Jelinek (jj@ultra.linux.cz),
7 David S. Miller (davem@redhat.com) and
8 Peter Maydell (pmaydell@chiark.greenend.org.uk).
9
10 The GNU C Library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Library General Public License as
12 published by the Free Software Foundation; either version 2 of the
13 License, or (at your option) any later version.
14
15 The GNU C Library is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Library General Public License for more details.
19
20 You should have received a copy of the GNU Library General Public
21 License along with the GNU C Library; see the file COPYING.LIB. If
22 not, write to the Free Software Foundation, Inc.,
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24
25#ifndef _SFP_MACHINE_H
26#define _SFP_MACHINE_H
27
28#define _FP_W_TYPE_SIZE 32
29#define _FP_W_TYPE unsigned long
30#define _FP_WS_TYPE signed long
31#define _FP_I_TYPE long
32
33#define _FP_MUL_MEAT_S(R,X,Y) \
34 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
35#define _FP_MUL_MEAT_D(R,X,Y) \
36 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
37#define _FP_MUL_MEAT_Q(R,X,Y) \
38 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
39
40#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
41#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
42#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
43
44#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
45#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
46#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
47#define _FP_NANSIGN_S 0
48#define _FP_NANSIGN_D 0
49#define _FP_NANSIGN_Q 0
50
51#define _FP_KEEPNANFRACP 1
52
53/*
54 * If one NaN is signaling and the other is not,
55 * we choose that one, otherwise we choose X.
56 */
57#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
58 do { \
59 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
60 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
61 { \
62 R##_s = Y##_s; \
63 _FP_FRAC_COPY_##wc(R,Y); \
64 } \
65 else \
66 { \
67 R##_s = X##_s; \
68 _FP_FRAC_COPY_##wc(R,X); \
69 } \
70 R##_c = FP_CLS_NAN; \
71 } while (0)
72
73//#define FP_ROUNDMODE FPSCR_RM
74#define FP_DENORM_ZERO 1/*FPSCR_DN*/
75
76/* Exception flags. */
77#define FP_EX_INVALID (1<<4)
78#define FP_EX_DIVZERO (1<<3)
79#define FP_EX_OVERFLOW (1<<2)
80#define FP_EX_UNDERFLOW (1<<1)
81#define FP_EX_INEXACT (1<<0)
82
83#endif
84