xref: /aosp_15_r20/external/XNNPACK/src/qs8-dwconv/gen/up32x9-minmax-fp32-neonv8-mul16.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-dwconv/unipass-neon-mul16.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/dwconv.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 
17 
xnn_qs8_dwconv_minmax_fp32_ukernel_up32x9__neonv8_mul16(size_t channels,size_t output_width,const int8_t ** input,const void * weights,int8_t * output,size_t input_stride,size_t output_increment,size_t input_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_dwconv_minmax_fp32_ukernel_up32x9__neonv8_mul16(
19     size_t channels,
20     size_t output_width,
21     const int8_t** input,
22     const void* weights,
23     int8_t* output,
24     size_t input_stride,
25     size_t output_increment,
26     size_t input_offset,
27     const int8_t* zero,
28     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30   assert(channels != 0);
31   assert(output_width != 0);
32 
33   const float32x4_t vscale = vld1q_dup_f32(&params->fp32_neonv8.scale);
34   const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->fp32_neonv8.output_zero_point);
35   const int8x16_t voutput_min = vld1q_dup_s8(&params->fp32_neonv8.output_min);
36   const int8x16_t voutput_max = vld1q_dup_s8(&params->fp32_neonv8.output_max);
37   do {
38     const int8_t* i0 = input[0];
39     assert(i0 != NULL);
40     if XNN_UNPREDICTABLE(i0 != zero) {
41       i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
42     }
43     const int8_t* i1 = input[1];
44     assert(i1 != NULL);
45     if XNN_UNPREDICTABLE(i1 != zero) {
46       i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
47     }
48     const int8_t* i2 = input[2];
49     assert(i2 != NULL);
50     if XNN_UNPREDICTABLE(i2 != zero) {
51       i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
52     }
53     const int8_t* i3 = input[3];
54     assert(i3 != NULL);
55     if XNN_UNPREDICTABLE(i3 != zero) {
56       i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
57     }
58     const int8_t* i4 = input[4];
59     assert(i4 != NULL);
60     if XNN_UNPREDICTABLE(i4 != zero) {
61       i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
62     }
63     const int8_t* i5 = input[5];
64     assert(i5 != NULL);
65     if XNN_UNPREDICTABLE(i5 != zero) {
66       i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
67     }
68     const int8_t* i6 = input[6];
69     assert(i6 != NULL);
70     if XNN_UNPREDICTABLE(i6 != zero) {
71       i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
72     }
73     const int8_t* i7 = input[7];
74     assert(i7 != NULL);
75     if XNN_UNPREDICTABLE(i7 != zero) {
76       i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
77     }
78     const int8_t* i8 = input[8];
79     assert(i8 != NULL);
80     if XNN_UNPREDICTABLE(i8 != zero) {
81       i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
82     }
83     input = (const int8_t**) ((uintptr_t) input + input_stride);
84 
85     size_t c = channels;
86     const void* w = weights;
87     for (; c >= 32; c -= 32) {
88       int32x4_t vacc0123 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
89       int32x4_t vacc4567 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
90       int32x4_t vacc89AB = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
91       int32x4_t vaccCDEF = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
92       int32x4_t vaccGHIJ = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
93       int32x4_t vaccKLMN = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
94       int32x4_t vaccOPQR = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
95       int32x4_t vaccSTUV = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
96 
97 
98       const int16x8_t vi0x01234567 = vmovl_s8(vld1_s8(i0)); i0 += 8;
99       const int16x8_t vk0x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
100       const int16x8_t vi0x89ABCDEF = vmovl_s8(vld1_s8(i0)); i0 += 8;
101       const int16x8_t vk0x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
102       const int16x8_t vi0xGHIJKLMN = vmovl_s8(vld1_s8(i0)); i0 += 8;
103       const int16x8_t vk0xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
104       const int16x8_t vi0xOPQRSTUV = vmovl_s8(vld1_s8(i0)); i0 += 8;
105       const int16x8_t vk0xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
106 
107       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi0x01234567), vget_low_s16(vk0x01234567));
108       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi0x01234567), vget_high_s16(vk0x01234567));
109       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi0x89ABCDEF), vget_low_s16(vk0x89ABCDEF));
110       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi0x89ABCDEF), vget_high_s16(vk0x89ABCDEF));
111       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi0xGHIJKLMN), vget_low_s16(vk0xGHIJKLMN));
112       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi0xGHIJKLMN), vget_high_s16(vk0xGHIJKLMN));
113       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi0xOPQRSTUV), vget_low_s16(vk0xOPQRSTUV));
114       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi0xOPQRSTUV), vget_high_s16(vk0xOPQRSTUV));
115 
116       const int16x8_t vi1x01234567 = vmovl_s8(vld1_s8(i1)); i1 += 8;
117       const int16x8_t vk1x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
118       const int16x8_t vi1x89ABCDEF = vmovl_s8(vld1_s8(i1)); i1 += 8;
119       const int16x8_t vk1x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
120       const int16x8_t vi1xGHIJKLMN = vmovl_s8(vld1_s8(i1)); i1 += 8;
121       const int16x8_t vk1xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
122       const int16x8_t vi1xOPQRSTUV = vmovl_s8(vld1_s8(i1)); i1 += 8;
123       const int16x8_t vk1xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
124 
125       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi1x01234567), vget_low_s16(vk1x01234567));
126       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi1x01234567), vget_high_s16(vk1x01234567));
127       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi1x89ABCDEF), vget_low_s16(vk1x89ABCDEF));
128       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi1x89ABCDEF), vget_high_s16(vk1x89ABCDEF));
129       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi1xGHIJKLMN), vget_low_s16(vk1xGHIJKLMN));
130       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi1xGHIJKLMN), vget_high_s16(vk1xGHIJKLMN));
131       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi1xOPQRSTUV), vget_low_s16(vk1xOPQRSTUV));
132       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi1xOPQRSTUV), vget_high_s16(vk1xOPQRSTUV));
133 
134       const int16x8_t vi2x01234567 = vmovl_s8(vld1_s8(i2)); i2 += 8;
135       const int16x8_t vk2x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
136       const int16x8_t vi2x89ABCDEF = vmovl_s8(vld1_s8(i2)); i2 += 8;
137       const int16x8_t vk2x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
138       const int16x8_t vi2xGHIJKLMN = vmovl_s8(vld1_s8(i2)); i2 += 8;
139       const int16x8_t vk2xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
140       const int16x8_t vi2xOPQRSTUV = vmovl_s8(vld1_s8(i2)); i2 += 8;
141       const int16x8_t vk2xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
142 
143       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi2x01234567), vget_low_s16(vk2x01234567));
144       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi2x01234567), vget_high_s16(vk2x01234567));
145       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi2x89ABCDEF), vget_low_s16(vk2x89ABCDEF));
146       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi2x89ABCDEF), vget_high_s16(vk2x89ABCDEF));
147       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi2xGHIJKLMN), vget_low_s16(vk2xGHIJKLMN));
148       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi2xGHIJKLMN), vget_high_s16(vk2xGHIJKLMN));
149       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi2xOPQRSTUV), vget_low_s16(vk2xOPQRSTUV));
150       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi2xOPQRSTUV), vget_high_s16(vk2xOPQRSTUV));
151 
152       const int16x8_t vi3x01234567 = vmovl_s8(vld1_s8(i3)); i3 += 8;
153       const int16x8_t vk3x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
154       const int16x8_t vi3x89ABCDEF = vmovl_s8(vld1_s8(i3)); i3 += 8;
155       const int16x8_t vk3x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
156       const int16x8_t vi3xGHIJKLMN = vmovl_s8(vld1_s8(i3)); i3 += 8;
157       const int16x8_t vk3xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
158       const int16x8_t vi3xOPQRSTUV = vmovl_s8(vld1_s8(i3)); i3 += 8;
159       const int16x8_t vk3xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
160 
161       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi3x01234567), vget_low_s16(vk3x01234567));
162       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi3x01234567), vget_high_s16(vk3x01234567));
163       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi3x89ABCDEF), vget_low_s16(vk3x89ABCDEF));
164       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi3x89ABCDEF), vget_high_s16(vk3x89ABCDEF));
165       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi3xGHIJKLMN), vget_low_s16(vk3xGHIJKLMN));
166       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi3xGHIJKLMN), vget_high_s16(vk3xGHIJKLMN));
167       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi3xOPQRSTUV), vget_low_s16(vk3xOPQRSTUV));
168       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi3xOPQRSTUV), vget_high_s16(vk3xOPQRSTUV));
169 
170       const int16x8_t vi4x01234567 = vmovl_s8(vld1_s8(i4)); i4 += 8;
171       const int16x8_t vk4x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
172       const int16x8_t vi4x89ABCDEF = vmovl_s8(vld1_s8(i4)); i4 += 8;
173       const int16x8_t vk4x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
174       const int16x8_t vi4xGHIJKLMN = vmovl_s8(vld1_s8(i4)); i4 += 8;
175       const int16x8_t vk4xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
176       const int16x8_t vi4xOPQRSTUV = vmovl_s8(vld1_s8(i4)); i4 += 8;
177       const int16x8_t vk4xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
178 
179       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi4x01234567), vget_low_s16(vk4x01234567));
180       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi4x01234567), vget_high_s16(vk4x01234567));
181       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi4x89ABCDEF), vget_low_s16(vk4x89ABCDEF));
182       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi4x89ABCDEF), vget_high_s16(vk4x89ABCDEF));
183       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi4xGHIJKLMN), vget_low_s16(vk4xGHIJKLMN));
184       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi4xGHIJKLMN), vget_high_s16(vk4xGHIJKLMN));
185       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi4xOPQRSTUV), vget_low_s16(vk4xOPQRSTUV));
186       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi4xOPQRSTUV), vget_high_s16(vk4xOPQRSTUV));
187 
188       const int16x8_t vi5x01234567 = vmovl_s8(vld1_s8(i5)); i5 += 8;
189       const int16x8_t vk5x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
190       const int16x8_t vi5x89ABCDEF = vmovl_s8(vld1_s8(i5)); i5 += 8;
191       const int16x8_t vk5x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
192       const int16x8_t vi5xGHIJKLMN = vmovl_s8(vld1_s8(i5)); i5 += 8;
193       const int16x8_t vk5xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
194       const int16x8_t vi5xOPQRSTUV = vmovl_s8(vld1_s8(i5)); i5 += 8;
195       const int16x8_t vk5xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
196 
197       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi5x01234567), vget_low_s16(vk5x01234567));
198       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi5x01234567), vget_high_s16(vk5x01234567));
199       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi5x89ABCDEF), vget_low_s16(vk5x89ABCDEF));
200       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi5x89ABCDEF), vget_high_s16(vk5x89ABCDEF));
201       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi5xGHIJKLMN), vget_low_s16(vk5xGHIJKLMN));
202       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi5xGHIJKLMN), vget_high_s16(vk5xGHIJKLMN));
203       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi5xOPQRSTUV), vget_low_s16(vk5xOPQRSTUV));
204       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi5xOPQRSTUV), vget_high_s16(vk5xOPQRSTUV));
205 
206       const int16x8_t vi6x01234567 = vmovl_s8(vld1_s8(i6)); i6 += 8;
207       const int16x8_t vk6x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
208       const int16x8_t vi6x89ABCDEF = vmovl_s8(vld1_s8(i6)); i6 += 8;
209       const int16x8_t vk6x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
210       const int16x8_t vi6xGHIJKLMN = vmovl_s8(vld1_s8(i6)); i6 += 8;
211       const int16x8_t vk6xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
212       const int16x8_t vi6xOPQRSTUV = vmovl_s8(vld1_s8(i6)); i6 += 8;
213       const int16x8_t vk6xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
214 
215       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi6x01234567), vget_low_s16(vk6x01234567));
216       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi6x01234567), vget_high_s16(vk6x01234567));
217       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi6x89ABCDEF), vget_low_s16(vk6x89ABCDEF));
218       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi6x89ABCDEF), vget_high_s16(vk6x89ABCDEF));
219       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi6xGHIJKLMN), vget_low_s16(vk6xGHIJKLMN));
220       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi6xGHIJKLMN), vget_high_s16(vk6xGHIJKLMN));
221       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi6xOPQRSTUV), vget_low_s16(vk6xOPQRSTUV));
222       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi6xOPQRSTUV), vget_high_s16(vk6xOPQRSTUV));
223 
224       const int16x8_t vi7x01234567 = vmovl_s8(vld1_s8(i7)); i7 += 8;
225       const int16x8_t vk7x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
226       const int16x8_t vi7x89ABCDEF = vmovl_s8(vld1_s8(i7)); i7 += 8;
227       const int16x8_t vk7x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
228       const int16x8_t vi7xGHIJKLMN = vmovl_s8(vld1_s8(i7)); i7 += 8;
229       const int16x8_t vk7xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
230       const int16x8_t vi7xOPQRSTUV = vmovl_s8(vld1_s8(i7)); i7 += 8;
231       const int16x8_t vk7xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
232 
233       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi7x01234567), vget_low_s16(vk7x01234567));
234       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi7x01234567), vget_high_s16(vk7x01234567));
235       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi7x89ABCDEF), vget_low_s16(vk7x89ABCDEF));
236       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi7x89ABCDEF), vget_high_s16(vk7x89ABCDEF));
237       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi7xGHIJKLMN), vget_low_s16(vk7xGHIJKLMN));
238       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi7xGHIJKLMN), vget_high_s16(vk7xGHIJKLMN));
239       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi7xOPQRSTUV), vget_low_s16(vk7xOPQRSTUV));
240       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi7xOPQRSTUV), vget_high_s16(vk7xOPQRSTUV));
241 
242       const int16x8_t vi8x01234567 = vmovl_s8(vld1_s8(i8)); i8 += 8;
243       const int16x8_t vk8x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
244       const int16x8_t vi8x89ABCDEF = vmovl_s8(vld1_s8(i8)); i8 += 8;
245       const int16x8_t vk8x89ABCDEF = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
246       const int16x8_t vi8xGHIJKLMN = vmovl_s8(vld1_s8(i8)); i8 += 8;
247       const int16x8_t vk8xGHIJKLMN = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
248       const int16x8_t vi8xOPQRSTUV = vmovl_s8(vld1_s8(i8)); i8 += 8;
249       const int16x8_t vk8xOPQRSTUV = vmovl_s8(vld1_s8(w)); w = (const void*) ((const int8_t*) w + 8);
250 
251       vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi8x01234567), vget_low_s16(vk8x01234567));
252       vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi8x01234567), vget_high_s16(vk8x01234567));
253       vacc89AB = vmlal_s16(vacc89AB, vget_low_s16(vi8x89ABCDEF), vget_low_s16(vk8x89ABCDEF));
254       vaccCDEF = vmlal_s16(vaccCDEF, vget_high_s16(vi8x89ABCDEF), vget_high_s16(vk8x89ABCDEF));
255       vaccGHIJ = vmlal_s16(vaccGHIJ, vget_low_s16(vi8xGHIJKLMN), vget_low_s16(vk8xGHIJKLMN));
256       vaccKLMN = vmlal_s16(vaccKLMN, vget_high_s16(vi8xGHIJKLMN), vget_high_s16(vk8xGHIJKLMN));
257       vaccOPQR = vmlal_s16(vaccOPQR, vget_low_s16(vi8xOPQRSTUV), vget_low_s16(vk8xOPQRSTUV));
258       vaccSTUV = vmlal_s16(vaccSTUV, vget_high_s16(vi8xOPQRSTUV), vget_high_s16(vk8xOPQRSTUV));
259 
260       float32x4_t vfpacc0123 = vcvtq_f32_s32(vacc0123);
261       float32x4_t vfpacc4567 = vcvtq_f32_s32(vacc4567);
262       float32x4_t vfpacc89AB = vcvtq_f32_s32(vacc89AB);
263       float32x4_t vfpaccCDEF = vcvtq_f32_s32(vaccCDEF);
264       float32x4_t vfpaccGHIJ = vcvtq_f32_s32(vaccGHIJ);
265       float32x4_t vfpaccKLMN = vcvtq_f32_s32(vaccKLMN);
266       float32x4_t vfpaccOPQR = vcvtq_f32_s32(vaccOPQR);
267       float32x4_t vfpaccSTUV = vcvtq_f32_s32(vaccSTUV);
268 
269       vfpacc0123 = vmulq_f32(vfpacc0123, vscale);
270       vfpacc4567 = vmulq_f32(vfpacc4567, vscale);
271       vfpacc89AB = vmulq_f32(vfpacc89AB, vscale);
272       vfpaccCDEF = vmulq_f32(vfpaccCDEF, vscale);
273       vfpaccGHIJ = vmulq_f32(vfpaccGHIJ, vscale);
274       vfpaccKLMN = vmulq_f32(vfpaccKLMN, vscale);
275       vfpaccOPQR = vmulq_f32(vfpaccOPQR, vscale);
276       vfpaccSTUV = vmulq_f32(vfpaccSTUV, vscale);
277 
278       vacc0123 = vcvtnq_s32_f32(vfpacc0123);
279       vacc4567 = vcvtnq_s32_f32(vfpacc4567);
280       vacc89AB = vcvtnq_s32_f32(vfpacc89AB);
281       vaccCDEF = vcvtnq_s32_f32(vfpaccCDEF);
282       vaccGHIJ = vcvtnq_s32_f32(vfpaccGHIJ);
283       vaccKLMN = vcvtnq_s32_f32(vfpaccKLMN);
284       vaccOPQR = vcvtnq_s32_f32(vfpaccOPQR);
285       vaccSTUV = vcvtnq_s32_f32(vfpaccSTUV);
286 
287 #if XNN_ARCH_ARM64
288       int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
289       int16x8_t vacc89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc89AB), vaccCDEF);
290       int16x8_t vaccGHIJKLMN = vqmovn_high_s32(vqmovn_s32(vaccGHIJ), vaccKLMN);
291       int16x8_t vaccOPQRSTUV = vqmovn_high_s32(vqmovn_s32(vaccOPQR), vaccSTUV);
292 
293       vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
294       vacc89ABCDEF = vqaddq_s16(vacc89ABCDEF, voutput_zero_point);
295       vaccGHIJKLMN = vqaddq_s16(vaccGHIJKLMN, voutput_zero_point);
296       vaccOPQRSTUV = vqaddq_s16(vaccOPQRSTUV, voutput_zero_point);
297 
298       int8x16_t vout0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc01234567), vacc89ABCDEF);
299       int8x16_t voutGHIJKLMNOPQRSTUV = vqmovn_high_s16(vqmovn_s16(vaccGHIJKLMN), vaccOPQRSTUV);
300 #else  // !XNN_ARCH_ARM64
301       int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
302       int16x8_t vacc89ABCDEF = vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF));
303       int16x8_t vaccGHIJKLMN = vcombine_s16(vqmovn_s32(vaccGHIJ), vqmovn_s32(vaccKLMN));
304       int16x8_t vaccOPQRSTUV = vcombine_s16(vqmovn_s32(vaccOPQR), vqmovn_s32(vaccSTUV));
305 
306       vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
307       vacc89ABCDEF = vqaddq_s16(vacc89ABCDEF, voutput_zero_point);
308       vaccGHIJKLMN = vqaddq_s16(vaccGHIJKLMN, voutput_zero_point);
309       vaccOPQRSTUV = vqaddq_s16(vaccOPQRSTUV, voutput_zero_point);
310 
311       int8x16_t vout0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc01234567), vqmovn_s16(vacc89ABCDEF));
312       int8x16_t voutGHIJKLMNOPQRSTUV = vcombine_s8(vqmovn_s16(vaccGHIJKLMN), vqmovn_s16(vaccOPQRSTUV));
313 #endif  // !XNN_ARCH_ARM64
314 
315       vout0123456789ABCDEF = vmaxq_s8(vout0123456789ABCDEF, voutput_min);
316       voutGHIJKLMNOPQRSTUV = vmaxq_s8(voutGHIJKLMNOPQRSTUV, voutput_min);
317 
318       vout0123456789ABCDEF = vminq_s8(vout0123456789ABCDEF, voutput_max);
319       voutGHIJKLMNOPQRSTUV = vminq_s8(voutGHIJKLMNOPQRSTUV, voutput_max);
320 
321       vst1q_s8(output, vout0123456789ABCDEF); output += 16;
322       vst1q_s8(output, voutGHIJKLMNOPQRSTUV); output += 16;
323     }
324     if XNN_UNLIKELY(c != 0) {
325       const int8_t* k = (const int8_t*) ((const int32_t*) w + 32);
326       do {
327         int32x4_t vacc0123 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
328         int32x4_t vacc4567 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
329 
330         const int16x8_t vi0x01234567 = vmovl_s8(vld1_s8(i0)); i0 += 8;
331         const int16x8_t vk0x01234567 = vmovl_s8(vld1_s8(k)); k += 8;
332 
333         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi0x01234567), vget_low_s16(vk0x01234567));
334         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi0x01234567), vget_high_s16(vk0x01234567));
335         const int16x8_t vi1x01234567 = vmovl_s8(vld1_s8(i1)); i1 += 8;
336         const int16x8_t vk1x01234567 = vmovl_s8(vld1_s8((const void*) (k + 24)));
337 
338         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi1x01234567), vget_low_s16(vk1x01234567));
339         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi1x01234567), vget_high_s16(vk1x01234567));
340         const int16x8_t vi2x01234567 = vmovl_s8(vld1_s8(i2)); i2 += 8;
341         const int16x8_t vk2x01234567 = vmovl_s8(vld1_s8((const void*) (k + 56)));
342 
343         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi2x01234567), vget_low_s16(vk2x01234567));
344         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi2x01234567), vget_high_s16(vk2x01234567));
345         const int16x8_t vi3x01234567 = vmovl_s8(vld1_s8(i3)); i3 += 8;
346         const int16x8_t vk3x01234567 = vmovl_s8(vld1_s8((const void*) (k + 88)));
347 
348         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi3x01234567), vget_low_s16(vk3x01234567));
349         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi3x01234567), vget_high_s16(vk3x01234567));
350         const int16x8_t vi4x01234567 = vmovl_s8(vld1_s8(i4)); i4 += 8;
351         const int16x8_t vk4x01234567 = vmovl_s8(vld1_s8((const void*) (k + 120)));
352 
353         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi4x01234567), vget_low_s16(vk4x01234567));
354         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi4x01234567), vget_high_s16(vk4x01234567));
355         const int16x8_t vi5x01234567 = vmovl_s8(vld1_s8(i5)); i5 += 8;
356         const int16x8_t vk5x01234567 = vmovl_s8(vld1_s8((const void*) (k + 152)));
357 
358         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi5x01234567), vget_low_s16(vk5x01234567));
359         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi5x01234567), vget_high_s16(vk5x01234567));
360         const int16x8_t vi6x01234567 = vmovl_s8(vld1_s8(i6)); i6 += 8;
361         const int16x8_t vk6x01234567 = vmovl_s8(vld1_s8((const void*) (k + 184)));
362 
363         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi6x01234567), vget_low_s16(vk6x01234567));
364         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi6x01234567), vget_high_s16(vk6x01234567));
365         const int16x8_t vi7x01234567 = vmovl_s8(vld1_s8(i7)); i7 += 8;
366         const int16x8_t vk7x01234567 = vmovl_s8(vld1_s8((const void*) (k + 216)));
367 
368         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi7x01234567), vget_low_s16(vk7x01234567));
369         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi7x01234567), vget_high_s16(vk7x01234567));
370         const int16x8_t vi8x01234567 = vmovl_s8(vld1_s8(i8)); i8 += 8;
371         const int16x8_t vk8x01234567 = vmovl_s8(vld1_s8((const void*) (k + 248)));
372 
373         vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi8x01234567), vget_low_s16(vk8x01234567));
374         vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi8x01234567), vget_high_s16(vk8x01234567));
375 
376         float32x4_t vfpacc0123 = vcvtq_f32_s32(vacc0123);
377         float32x4_t vfpacc4567 = vcvtq_f32_s32(vacc4567);
378 
379         vfpacc0123 = vmulq_f32(vfpacc0123, vscale);
380         vfpacc4567 = vmulq_f32(vfpacc4567, vscale);
381 
382         vacc0123 = vcvtnq_s32_f32(vfpacc0123);
383         vacc4567 = vcvtnq_s32_f32(vfpacc4567);
384 
385 #if XNN_ARCH_ARM64
386         int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
387 #else
388         int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
389 #endif
390         vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
391 
392         int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
393         vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min));
394         vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max));
395 
396         if XNN_LIKELY(c >= 8) {
397           vst1_s8(output, vout01234567); output += 8;
398           c -= 8;
399         } else {
400           if (c & 4) {
401             vst1_lane_u32((void*) output, vreinterpret_u32_s8(vout01234567), 0); output += 4;
402             vout01234567 = vext_s8(vout01234567, vout01234567, 4);
403           }
404           if (c & 2) {
405             vst1_lane_u16((void*) output, vreinterpret_u16_s8(vout01234567), 0); output += 2;
406             vout01234567 = vext_s8(vout01234567, vout01234567, 2);
407           }
408           if (c & 1) {
409             vst1_lane_s8(output, vout01234567, 0); output += 1;
410           }
411           c = 0;
412         }
413       } while (c != 0);
414     }
415 
416     output = (int8_t*) ((uintptr_t) output + output_increment);
417   } while (--output_width != 0);
418 }
419