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
|
/*
* Copyright (c) 2017-2019 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
{
inline qasymm8x16_t vmlaq_qasymm8(qasymm8x16_t vd, float32x4_t vs, float32x4_t vo)
{
// Convert uint8 vectors to uint16 vectors
const uint8x8_t vd_low = vget_low_u8(vd);
const uint8x8_t vd_high = vget_high_u8(vd);
uint16x8_t vd_low_u16x8 = vmovl_u8(vd_low);
uint16x8_t vd_high_u16x8 = vmovl_u8(vd_high);
// Convert uint16 vectors to uint32 vectors
uint32x4_t A_u32x4 = vmovl_u16(vget_low_u16(vd_low_u16x8));
uint32x4_t B_u32x4 = vmovl_u16(vget_high_u16(vd_low_u16x8));
uint32x4_t C_u32x4 = vmovl_u16(vget_low_u16(vd_high_u16x8));
uint32x4_t D_u32x4 = vmovl_u16(vget_high_u16(vd_high_u16x8));
// Convert uint32 vectors to float32 vectors
float32x4_t A_f32x4 = vcvtq_f32_u32(A_u32x4);
float32x4_t B_f32x4 = vcvtq_f32_u32(B_u32x4);
float32x4_t C_f32x4 = vcvtq_f32_u32(C_u32x4);
float32x4_t D_f32x4 = vcvtq_f32_u32(D_u32x4);
// vd = vd*vs + vo
A_f32x4 = vmlaq_f32(vo, A_f32x4, vs);
B_f32x4 = vmlaq_f32(vo, B_f32x4, vs);
C_f32x4 = vmlaq_f32(vo, C_f32x4, vs);
D_f32x4 = vmlaq_f32(vo, D_f32x4, vs);
// Convert float32 vectors to uint32 vectors
A_u32x4 = vcvtq_u32_f32(A_f32x4);
B_u32x4 = vcvtq_u32_f32(B_f32x4);
C_u32x4 = vcvtq_u32_f32(C_f32x4);
D_u32x4 = vcvtq_u32_f32(D_f32x4);
// Convert uint32 vectors to uint16 vectors (with saturation)
vd_low_u16x8 = vcombine_u16(vqmovn_u32(A_u32x4), vqmovn_u32(B_u32x4));
vd_high_u16x8 = vcombine_u16(vqmovn_u32(C_u32x4), vqmovn_u32(D_u32x4));
// convert uint16 vectors to uint8 vectors (with saturation)
return vcombine_u8(vqmovn_u16(vd_low_u16x8), vqmovn_u16(vd_high_u16x8));
}
inline qasymm8x16_signed_t vmlaq_qasymm8_signed(qasymm8x16_signed_t vd, float32x4_t vs, float32x4_t vo)
{
// Convert uint8 vectors to int16 vectors
const int8x8_t vd_low = vget_low_s8(vd);
const int8x8_t vd_high = vget_high_s8(vd);
int16x8_t vd_low_s16x8 = vmovl_s8(vd_low);
int16x8_t vd_high_s16x8 = vmovl_s8(vd_high);
// Convert int16 vectors to int32 vectors
int32x4_t A_s32x4 = vmovl_s16(vget_low_s16(vd_low_s16x8));
int32x4_t B_s32x4 = vmovl_s16(vget_high_s16(vd_low_s16x8));
int32x4_t C_s32x4 = vmovl_s16(vget_low_s16(vd_high_s16x8));
int32x4_t D_s32x4 = vmovl_s16(vget_high_s16(vd_high_s16x8));
// Convert int32 vectors to float32 vectors
float32x4_t A_f32x4 = vcvtq_f32_s32(A_s32x4);
float32x4_t B_f32x4 = vcvtq_f32_s32(B_s32x4);
float32x4_t C_f32x4 = vcvtq_f32_s32(C_s32x4);
float32x4_t D_f32x4 = vcvtq_f32_s32(D_s32x4);
// vd = vd*vs + vo
A_f32x4 = vmlaq_f32(vo, A_f32x4, vs);
B_f32x4 = vmlaq_f32(vo, B_f32x4, vs);
C_f32x4 = vmlaq_f32(vo, C_f32x4, vs);
D_f32x4 = vmlaq_f32(vo, D_f32x4, vs);
// Convert float32 vectors to int32 vectors
A_s32x4 = vcvtq_s32_f32(A_f32x4);
B_s32x4 = vcvtq_s32_f32(B_f32x4);
C_s32x4 = vcvtq_s32_f32(C_f32x4);
D_s32x4 = vcvtq_s32_f32(D_f32x4);
// Convert int32 vectors to int16 vectors (with saturation)
vd_low_s16x8 = vcombine_s16(vqmovn_s32(A_s32x4), vqmovn_s32(B_s32x4));
vd_high_s16x8 = vcombine_s16(vqmovn_s32(C_s32x4), vqmovn_s32(D_s32x4));
// convert int16 vectors to int8 vectors (with saturation)
return vcombine_s8(vqmovn_s16(vd_low_s16x8), vqmovn_s16(vd_high_s16x8));
}
} // namespace arm_compute
|
