1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gavgpool/unipass-neon.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <arm_neon.h>
13
14 #include <xnnpack/gavgpool.h>
15
16
xnn_qu8_gavgpool_minmax_rndnu_ukernel_7x__neon_c8(size_t rows,size_t channels,const uint8_t * input,size_t input_stride,const uint8_t * zero,uint8_t * output,const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qu8_gavgpool_minmax_rndnu_ukernel_7x__neon_c8(
18 size_t rows,
19 size_t channels,
20 const uint8_t* input,
21 size_t input_stride,
22 const uint8_t* zero,
23 uint8_t* output,
24 const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25 {
26 assert(rows != 0);
27 assert(rows <= 7);
28 assert(channels != 0);
29
30 const uint8_t* i0 = input;
31 const uint8_t* i1 = (const uint8_t*) ((uintptr_t) i0 + input_stride);
32 if XNN_UNPREDICTABLE(rows < 2) {
33 i1 = zero;
34 }
35 const uint8_t* i2 = (const uint8_t*) ((uintptr_t) i1 + input_stride);
36 if XNN_UNPREDICTABLE(rows <= 2) {
37 i2 = zero;
38 }
39 const uint8_t* i3 = (const uint8_t*) ((uintptr_t) i2 + input_stride);
40 if XNN_UNPREDICTABLE(rows < 4) {
41 i3 = zero;
42 }
43 const uint8_t* i4 = (const uint8_t*) ((uintptr_t) i3 + input_stride);
44 if XNN_UNPREDICTABLE(rows <= 4) {
45 i4 = zero;
46 }
47 const uint8_t* i5 = (const uint8_t*) ((uintptr_t) i4 + input_stride);
48 if XNN_UNPREDICTABLE(rows < 6) {
49 i5 = zero;
50 }
51 const uint8_t* i6 = (const uint8_t*) ((uintptr_t) i5 + input_stride);
52 if XNN_UNPREDICTABLE(rows <= 6) {
53 i6 = zero;
54 }
55
56 const int32x4_t vinit_bias = vld1q_dup_s32(¶ms->rndnu_neon.init_bias);
57 const int32x4_t vleft_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.left_pre_shift);
58 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
59 const int32x4_t vleft_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.left_post_shift);
60 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
61 const uint8x8_t voutput_min = vld1_dup_u8(¶ms->rndnu_neon.output_min);
62 const uint8x8_t voutput_max = vld1_dup_u8(¶ms->rndnu_neon.output_max);
63 for (; channels >= 8; channels -= 8) {
64 const uint8x8_t vi0x01234567 = vld1_u8(i0); i0 += 8;
65 const uint8x8_t vi1x01234567 = vld1_u8(i1); i1 += 8;
66
67 const uint8x8_t vi2x01234567 = vld1_u8(i2); i2 += 8;
68 uint16x8_t vsum01234567 = vaddl_u8(vi0x01234567, vi1x01234567);
69
70 const uint8x8_t vi3x01234567 = vld1_u8(i3); i3 += 8;
71 vsum01234567 = vaddw_u8(vsum01234567, vi2x01234567);
72 const uint8x8_t vi4x01234567 = vld1_u8(i4); i4 += 8;
73 vsum01234567 = vaddw_u8(vsum01234567, vi3x01234567);
74 const uint8x8_t vi5x01234567 = vld1_u8(i5); i5 += 8;
75 vsum01234567 = vaddw_u8(vsum01234567, vi4x01234567);
76 const uint8x8_t vi6x01234567 = vld1_u8(i6); i6 += 8;
77 vsum01234567 = vaddw_u8(vsum01234567, vi5x01234567);
78 vsum01234567 = vaddw_u8(vsum01234567, vi6x01234567);
79
80 int32x4_t vacc0123 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsum01234567)));
81 int32x4_t vacc4567 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsum01234567)));
82
83 vacc0123 = vqshlq_s32(vacc0123, vleft_pre_shift);
84 vacc4567 = vqshlq_s32(vacc4567, vleft_pre_shift);
85
86 vacc0123 = vqdmulhq_s32(vacc0123, vmultiplier);
87 vacc4567 = vqdmulhq_s32(vacc4567, vmultiplier);
88
89 vacc0123 = vrshlq_s32(vacc0123, vleft_post_shift);
90 vacc4567 = vrshlq_s32(vacc4567, vleft_post_shift);
91
92 #if XNN_ARCH_ARM64
93 int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
94 #else // !XNN_ARCH_ARM64
95 int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
96 #endif // !XNN_ARCH_ARM64
97
98 vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
99
100 #if XNN_ARCH_ARM64
101 uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
102 #else // !XNN_ARCH_ARM64
103 uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
104 #endif // !XNN_ARCH_ARM64
105
106 vout01234567 = vmax_u8(vout01234567, voutput_min);
107
108 vout01234567 = vmin_u8(vout01234567, voutput_max);
109
110 vst1_u8(output, vout01234567); output += 8;
111 }
112 if XNN_UNLIKELY(channels != 0) {
113 {
114 const uint8x8_t vi0x01234567 = vld1_u8(i0); i0 += 8;
115 const uint8x8_t vi1x01234567 = vld1_u8(i1); i1 += 8;
116 const uint8x8_t vi2x01234567 = vld1_u8(i2); i2 += 8;
117 uint16x8_t vsum01234567 = vaddl_u8(vi0x01234567, vi1x01234567);
118
119 const uint8x8_t vi3x01234567 = vld1_u8(i3); i3 += 8;
120 vsum01234567 = vaddw_u8(vsum01234567, vi2x01234567);
121 const uint8x8_t vi4x01234567 = vld1_u8(i4); i4 += 8;
122 vsum01234567 = vaddw_u8(vsum01234567, vi3x01234567);
123 const uint8x8_t vi5x01234567 = vld1_u8(i5); i5 += 8;
124 vsum01234567 = vaddw_u8(vsum01234567, vi4x01234567);
125 const uint8x8_t vi6x01234567 = vld1_u8(i6); i6 += 8;
126 vsum01234567 = vaddw_u8(vsum01234567, vi5x01234567);
127 vsum01234567 = vaddw_u8(vsum01234567, vi6x01234567);
128
129 int32x4_t vacc0123 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsum01234567)));
130 int32x4_t vacc4567 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsum01234567)));
131
132 vacc0123 = vqshlq_s32(vacc0123, vleft_pre_shift);
133 vacc4567 = vqshlq_s32(vacc4567, vleft_pre_shift);
134
135 vacc0123 = vqdmulhq_s32(vacc0123, vmultiplier);
136 vacc4567 = vqdmulhq_s32(vacc4567, vmultiplier);
137
138 vacc0123 = vrshlq_s32(vacc0123, vleft_post_shift);
139 vacc4567 = vrshlq_s32(vacc4567, vleft_post_shift);
140
141 #if XNN_ARCH_ARM64
142 int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
143 #else
144 int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
145 #endif
146 vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
147
148 uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
149 vout01234567 = vmax_u8(vout01234567, voutput_min);
150 vout01234567 = vmin_u8(vout01234567, voutput_max);
151
152 if (channels & 4) {
153 vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout01234567), 0); output += 4;
154 vout01234567 = vext_u8(vout01234567, vout01234567, 4);
155 }
156 if (channels & 2) {
157 vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout01234567), 0); output += 2;
158 vout01234567 = vext_u8(vout01234567, vout01234567, 2);
159 }
160 if (channels & 1) {
161 vst1_lane_u8(output, vout01234567, 0);
162 }
163 }
164 }
165 }
166