xref: /openbmc/qemu/target/hexagon/fma_emu.h (revision 05caa062)
1 /*
2  *  Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Reserved.
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef HEXAGON_FMA_EMU_H
19 #define HEXAGON_FMA_EMU_H
20 
21 static inline bool is_finite(float64 x)
22 {
23     return !float64_is_any_nan(x) && !float64_is_infinity(x);
24 }
25 
26 int32_t float64_getexp(float64 f64);
27 static inline uint32_t float32_getexp_raw(float32 f32)
28 {
29     return extract32(f32, 23, 8);
30 }
31 int32_t float32_getexp(float32 f32);
32 float32 infinite_float32(uint8_t sign);
33 float32 internal_fmafx(float32 a, float32 b, float32 c,
34                        int scale, float_status *fp_status);
35 float32 internal_mpyf(float32 a, float32 b, float_status *fp_status);
36 float64 internal_mpyhh(float64 a, float64 b,
37                        unsigned long long int accumulated,
38                        float_status *fp_status);
39 
40 #endif
41