1/* ARM FP16 intrinsics include file.
2
3   Copyright (C) 2016-2020 Free Software Foundation, Inc.
4   Contributed by ARM Ltd.
5
6   This file is part of GCC.
7
8   GCC is free software; you can redistribute it and/or modify it
9   under the terms of the GNU General Public License as published
10   by the Free Software Foundation; either version 3, or (at your
11   option) any later version.
12
13   GCC is distributed in the hope that it will be useful, but WITHOUT
14   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16   License for more details.
17
18   Under Section 7 of GPL version 3, you are granted additional
19   permissions described in the GCC Runtime Library Exception, version
20   3.1, as published by the Free Software Foundation.
21
22   You should have received a copy of the GNU General Public License and
23   a copy of the GCC Runtime Library Exception along with this program;
24   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
25   <http://www.gnu.org/licenses/>.  */
26
27#ifndef _GCC_ARM_FP16_H
28#define _GCC_ARM_FP16_H 1
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34#include <stdint.h>
35
36/* Intrinsics for FP16 instructions.  */
37#pragma GCC push_options
38#pragma GCC target ("fpu=fp-armv8")
39
40#if defined (__ARM_FEATURE_FP16_SCALAR_ARITHMETIC)
41
42typedef __fp16 float16_t;
43
44__extension__ static __inline float16_t __attribute__ ((__always_inline__))
45vabsh_f16 (float16_t __a)
46{
47  return __builtin_neon_vabshf (__a);
48}
49
50__extension__ static __inline float16_t __attribute__ ((__always_inline__))
51vaddh_f16 (float16_t __a, float16_t __b)
52{
53  return __a + __b;
54}
55
56__extension__ static __inline int32_t __attribute__ ((__always_inline__))
57vcvtah_s32_f16 (float16_t __a)
58{
59  return __builtin_neon_vcvtahssi (__a);
60}
61
62__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
63vcvtah_u32_f16 (float16_t __a)
64{
65  return __builtin_neon_vcvtahusi (__a);
66}
67
68__extension__ static __inline float16_t __attribute__ ((__always_inline__))
69vcvth_f16_s32 (int32_t __a)
70{
71  return __builtin_neon_vcvthshf (__a);
72}
73
74__extension__ static __inline float16_t __attribute__ ((__always_inline__))
75vcvth_f16_u32 (uint32_t __a)
76{
77  return __builtin_neon_vcvthuhf (__a);
78}
79
80__extension__ static __inline float16_t __attribute__ ((__always_inline__))
81vcvth_n_f16_s32 (int32_t __a, const int __b)
82{
83  return __builtin_neon_vcvths_nhf (__a, __b);
84}
85
86__extension__ static __inline float16_t __attribute__ ((__always_inline__))
87vcvth_n_f16_u32 (uint32_t __a, const int __b)
88{
89  return __builtin_neon_vcvthu_nhf ((int32_t)__a, __b);
90}
91
92__extension__ static __inline int32_t __attribute__ ((__always_inline__))
93vcvth_n_s32_f16 (float16_t __a, const int __b)
94{
95  return __builtin_neon_vcvths_nsi (__a, __b);
96}
97
98__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
99vcvth_n_u32_f16 (float16_t __a, const int __b)
100{
101  return (uint32_t)__builtin_neon_vcvthu_nsi (__a, __b);
102}
103
104__extension__ static __inline int32_t __attribute__ ((__always_inline__))
105vcvth_s32_f16 (float16_t __a)
106{
107  return __builtin_neon_vcvthssi (__a);
108}
109
110__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
111vcvth_u32_f16 (float16_t __a)
112{
113  return __builtin_neon_vcvthusi (__a);
114}
115
116__extension__ static __inline int32_t __attribute__ ((__always_inline__))
117vcvtmh_s32_f16 (float16_t __a)
118{
119  return __builtin_neon_vcvtmhssi (__a);
120}
121
122__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
123vcvtmh_u32_f16 (float16_t __a)
124{
125  return __builtin_neon_vcvtmhusi (__a);
126}
127
128__extension__ static __inline int32_t __attribute__ ((__always_inline__))
129vcvtnh_s32_f16 (float16_t __a)
130{
131  return __builtin_neon_vcvtnhssi (__a);
132}
133
134__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
135vcvtnh_u32_f16 (float16_t __a)
136{
137  return __builtin_neon_vcvtnhusi (__a);
138}
139
140__extension__ static __inline int32_t __attribute__ ((__always_inline__))
141vcvtph_s32_f16 (float16_t __a)
142{
143  return __builtin_neon_vcvtphssi (__a);
144}
145
146__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
147vcvtph_u32_f16 (float16_t __a)
148{
149  return __builtin_neon_vcvtphusi (__a);
150}
151
152__extension__ static __inline float16_t __attribute__ ((__always_inline__))
153vdivh_f16 (float16_t __a, float16_t __b)
154{
155  return __a / __b;
156}
157
158__extension__ static __inline float16_t __attribute__ ((__always_inline__))
159vfmah_f16 (float16_t __a, float16_t __b, float16_t __c)
160{
161  return __builtin_neon_vfmahf (__a, __b, __c);
162}
163
164__extension__ static __inline float16_t __attribute__ ((__always_inline__))
165vfmsh_f16 (float16_t __a, float16_t __b, float16_t __c)
166{
167  return __builtin_neon_vfmshf (__a, __b, __c);
168}
169
170__extension__ static __inline float16_t __attribute__ ((__always_inline__))
171vmaxnmh_f16 (float16_t __a, float16_t __b)
172{
173  return __builtin_neon_vmaxnmhf (__a, __b);
174}
175
176__extension__ static __inline float16_t __attribute__ ((__always_inline__))
177vminnmh_f16 (float16_t __a, float16_t __b)
178{
179  return __builtin_neon_vminnmhf (__a, __b);
180}
181
182__extension__ static __inline float16_t __attribute__ ((__always_inline__))
183vmulh_f16 (float16_t __a, float16_t __b)
184{
185  return __a * __b;
186}
187
188__extension__ static __inline float16_t __attribute__ ((__always_inline__))
189vnegh_f16 (float16_t __a)
190{
191  return  - __a;
192}
193
194__extension__ static __inline float16_t __attribute__ ((__always_inline__))
195vrndah_f16 (float16_t __a)
196{
197  return __builtin_neon_vrndahf (__a);
198}
199
200__extension__ static __inline float16_t __attribute__ ((__always_inline__))
201vrndh_f16 (float16_t __a)
202{
203  return __builtin_neon_vrndhf (__a);
204}
205
206__extension__ static __inline float16_t __attribute__ ((__always_inline__))
207vrndih_f16 (float16_t __a)
208{
209  return __builtin_neon_vrndihf (__a);
210}
211
212__extension__ static __inline float16_t __attribute__ ((__always_inline__))
213vrndmh_f16 (float16_t __a)
214{
215  return __builtin_neon_vrndmhf (__a);
216}
217
218__extension__ static __inline float16_t __attribute__ ((__always_inline__))
219vrndnh_f16 (float16_t __a)
220{
221  return __builtin_neon_vrndnhf (__a);
222}
223
224__extension__ static __inline float16_t __attribute__ ((__always_inline__))
225vrndph_f16 (float16_t __a)
226{
227  return __builtin_neon_vrndphf (__a);
228}
229
230__extension__ static __inline float16_t __attribute__ ((__always_inline__))
231vrndxh_f16 (float16_t __a)
232{
233  return __builtin_neon_vrndxhf (__a);
234}
235
236__extension__ static __inline float16_t __attribute__ ((__always_inline__))
237vsqrth_f16 (float16_t __a)
238{
239  return __builtin_neon_vsqrthf (__a);
240}
241
242__extension__ static __inline float16_t __attribute__ ((__always_inline__))
243vsubh_f16 (float16_t __a, float16_t __b)
244{
245  return __a - __b;
246}
247
248#endif /* __ARM_FEATURE_FP16_SCALAR_ARITHMETIC  */
249#pragma GCC pop_options
250
251#ifdef __cplusplus
252}
253#endif
254
255#endif
256