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
|
/*
* Copyright (c) 2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
namespace arm_compute
{
#if defined(__ARM_FEATURE_SVE2)
inline svuint8_t svmla_qasymm8_z(svbool_t pg, svuint8_t vd, svfloat32_t vs, svfloat32_t vo)
{
// Convert uint8 vectors to uint16 vectors
auto vd_low_u16 = svmovlb_u16(vd);
auto vd_high_u16 = svmovlt_u16(vd);
// Convert uint16 vectors to uint32 vectors
auto A_u32 = svmovlb_u32(vd_low_u16);
auto B_u32 = svmovlt_u32(vd_low_u16);
auto C_u32 = svmovlb_u32(vd_high_u16);
auto D_u32 = svmovlt_u32(vd_high_u16);
// Convert uint32 vectors to float32 vectors
auto A_f32 = svcvt_f32_u32_z(pg, A_u32);
auto B_f32 = svcvt_f32_u32_z(pg, B_u32);
auto C_f32 = svcvt_f32_u32_z(pg, C_u32);
auto D_f32 = svcvt_f32_u32_z(pg, D_u32);
// vd = vd*vs + vo
A_f32 = svmla_f32_z(pg, vo, A_f32, vs);
B_f32 = svmla_f32_z(pg, vo, B_f32, vs);
C_f32 = svmla_f32_z(pg, vo, C_f32, vs);
D_f32 = svmla_f32_z(pg, vo, D_f32, vs);
// Convert float32 vectors to uint32 vectors
A_u32 = svcvt_u32_f32_z(pg, A_f32);
B_u32 = svcvt_u32_f32_z(pg, B_f32);
C_u32 = svcvt_u32_f32_z(pg, C_f32);
D_u32 = svcvt_u32_f32_z(pg, D_f32);
// Convert uint32 vectors to uint16 vectors (with saturation)
vd_low_u16 = svqxtnt_u32(svqxtnb_u32(A_u32), B_u32);
vd_high_u16 = svqxtnt_u32(svqxtnb_u32(C_u32), D_u32);
// convert uint16 vectors to uint8 vectors (with saturation)
const auto res = svqxtnt_u16(svqxtnb_u16(vd_low_u16), vd_high_u16);
return res;
}
inline svint8_t svmla_qasymm8_signed_z(svbool_t pg, svint8_t vd, svfloat32_t vs, svfloat32_t vo)
{
// Convert uint8 vectors to int16 vectors
auto vd_low_s16 = svmovlb_s16(vd);
auto vd_high_s16 = svmovlt_s16(vd);
// Convert int16 vectors to int32 vectors
auto A_s32 = svmovlb_s32(vd_low_s16);
auto B_s32 = svmovlt_s32(vd_low_s16);
auto C_s32 = svmovlb_s32(vd_high_s16);
auto D_s32 = svmovlt_s32(vd_high_s16);
// Convert int32 vectors to float32 vectors
auto A_f32 = svcvt_f32_s32_z(pg, A_s32);
auto B_f32 = svcvt_f32_s32_z(pg, B_s32);
auto C_f32 = svcvt_f32_s32_z(pg, C_s32);
auto D_f32 = svcvt_f32_s32_z(pg, D_s32);
// vd = vd*vs + vo
A_f32 = svmla_f32_z(pg, vo, A_f32, vs);
B_f32 = svmla_f32_z(pg, vo, B_f32, vs);
C_f32 = svmla_f32_z(pg, vo, C_f32, vs);
D_f32 = svmla_f32_z(pg, vo, D_f32, vs);
// Convert float32 vectors to int32 vectors
A_s32 = svcvt_s32_f32_z(pg, A_f32);
B_s32 = svcvt_s32_f32_z(pg, B_f32);
C_s32 = svcvt_s32_f32_z(pg, C_f32);
D_s32 = svcvt_s32_f32_z(pg, D_f32);
// Convert uint32 vectors to uint16 vectors (with saturation)
vd_low_s16 = svqxtnt_s32(svqxtnb_s32(A_s32), B_s32);
vd_high_s16 = svqxtnt_s32(svqxtnb_s32(C_s32), D_s32);
// convert uint16 vectors to uint8 vectors (with saturation)
const auto res = svqxtnt_s16(svqxtnb_s16(vd_low_s16), vd_high_s16);
return res;
}
#endif /* (__ARM_FEATURE_SVE2) */
} // namespace arm_compute
|
