1 /* Soft-FP definitions for H8/300
2    Copyright (C) 2015-2021 Free Software Foundation, Inc.
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 
66 /* Not checked.  */
67 #define _FP_TININESS_AFTER_ROUNDING 0
68 
69 #define	__BIG_ENDIAN	4321
70 
71 #define __BYTE_ORDER __BIG_ENDIAN
72 
73 /* Define ALIASNAME as a strong alias for NAME.  */
74 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
75 # define _strong_alias(name, aliasname) \
76   extern __typeof (name) aliasname __attribute__ ((alias (#name)));
77