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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-conv-hwc/3x3s2p0p1c3-neon-x2.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 
11 #include <assert.h>
12 
13 #include <arm_neon.h>
14 
15 #include <xnnpack/conv.h>
16 #include <xnnpack/math.h>
17 
18 
xnn_f32_conv_hwc_ukernel_3x3s2p0p1c3x8__neonfma_2x2(size_t input_height,size_t input_width,size_t output_y_start,size_t output_y_end,const float * input,const float * zero,const float * weights,float * output,size_t input_padding_top,size_t output_channels,size_t output_height_stride,size_t output_width_stride,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f32_conv_hwc_ukernel_3x3s2p0p1c3x8__neonfma_2x2(
20     size_t input_height,
21     size_t input_width,
22     size_t output_y_start,
23     size_t output_y_end,
24     const float* input,
25     const float* zero,
26     const float* weights,
27     float* output,
28     size_t input_padding_top,
29     size_t output_channels,
30     size_t output_height_stride,
31     size_t output_width_stride,
32     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
33 {
34   assert(input_width != 0);
35   assert(output_y_end > output_y_start);
36   assert(input_padding_top <= 1);
37   assert(output_channels != 0);
38 
39   const size_t input_height_stride = input_width * 3 /* channels */ * sizeof(float);
40   const size_t input_width_decrement = (4 + ((input_width - 1) & 1) * 2 + (round_down_po2(input_width - 1, 2) * 3 /* channels */)) * sizeof(float);
41   const size_t output_width = input_width / 2;
42   const size_t output_channel_decrement = output_width * output_width_stride - 8 * sizeof(float);
43   const size_t output_height_increment = output_height_stride * 2 - round_up_po2(output_channels, 8) * sizeof(float);
44 
45   // Adjustment for padding processed below
46   const float* i0 = (const float*) ((uintptr_t) input +
47     input_height_stride * (output_y_start * 2 /* vertical stride */ - input_padding_top));
48   const float* i1 = (const float*) ((uintptr_t) i0 + input_height_stride);
49   const float* i2 = (const float*) ((uintptr_t) i1 + input_height_stride);
50   const float* i3 = (const float*) ((uintptr_t) i2 + input_height_stride);
51   const float* i4 = (const float*) ((uintptr_t) i3 + input_height_stride);
52   float* o0 = (float*) ((uintptr_t) output + output_height_stride * output_y_start);
53   float* o1 = (float*) ((uintptr_t) o0 + output_height_stride);
54 
55   if XNN_UNPREDICTABLE(output_y_start < input_padding_top) {
56     i0 = zero;
57   }
58 
59   const float32x4_t vmin = vld1q_dup_f32(&params->scalar.min);
60   const float32x4_t vmax = vld1q_dup_f32(&params->scalar.max);
61 
62   for (size_t output_y = output_y_start; output_y < output_y_end; output_y += 2) {
63     const size_t input_y2 = output_y * 2 + 2 - input_padding_top;
64     const size_t input_y4 = input_y2 + 2;
65     if XNN_UNPREDICTABLE(input_y2 > input_height) {
66       i1 = zero;
67     }
68     if XNN_UNPREDICTABLE(input_y2 >= input_height) {
69       i2 = zero;
70     }
71     if XNN_UNPREDICTABLE(input_y4 > input_height) {
72       i3 = zero;
73     }
74     if XNN_UNPREDICTABLE(input_y4 >= input_height) {
75       i4 = zero;
76     }
77     if XNN_UNPREDICTABLE(output_y + 2 > output_y_end) {
78       o1 = o0;
79     }
80 
81     const float* w = weights;
82     size_t c = output_channels;
83     do {
84       // viMx0 = ( iM1c0, iM0c2, iM0c1, iM0c0 )
85       float32x4_t vi0x0 = vld1q_f32(i0); i0 += 4;
86       float32x4_t vi1x0 = vld1q_f32(i1); i1 += 4;
87       float32x4_t vi2x0 = vld1q_f32(i2); i2 += 4;
88       float32x4_t vi3x0 = vld1q_f32(i3); i3 += 4;
89       float32x4_t vi4x0 = vld1q_f32(i4); i4 += 4;
90 
91       size_t iw = input_width - 1;
92       for (; iw >= 4; iw -= 4) {
93         float32x4_t vo0x0c0123 = vld1q_f32(w);
94         float32x4_t vo0x0c4567 = vld1q_f32(w + 4);
95         float32x4_t vo1x0c0123 = vo0x0c0123;
96         float32x4_t vo1x0c4567 = vo0x0c4567;
97         float32x4_t vo0x1c0123 = vo0x0c0123;
98         float32x4_t vo0x1c4567 = vo0x0c4567;
99         float32x4_t vo1x1c0123 = vo0x0c0123;
100         float32x4_t vo1x1c4567 = vo0x0c4567;
101 
102         const float32x4_t vk00c0x0123 = vld1q_f32(w + 8);
103         const float32x4_t vk00c0x4567 = vld1q_f32(w + 12);
104 
105         // viMx1 = ( iM2c1, iM2c0, iM1c2, iM1c1 )
106         const float32x4_t vi0x1 = vld1q_f32(i0); i0 += 4;
107         const float32x4_t vi1x1 = vld1q_f32(i1); i1 += 4;
108         const float32x4_t vi2x1 = vld1q_f32(i2); i2 += 4;
109         const float32x4_t vi3x1 = vld1q_f32(i3); i3 += 4;
110         const float32x4_t vi4x1 = vld1q_f32(i4); i4 += 4;
111 
112         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk00c0x0123, vget_low_f32(vi0x0), 0);
113         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk00c0x0123, vget_low_f32(vi2x0), 0);
114         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk00c0x4567, vget_low_f32(vi0x0), 0);
115         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk00c0x4567, vget_low_f32(vi2x0), 0);
116 
117         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk00c0x0123, vget_high_f32(vi0x1), 0);
118         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk00c0x0123, vget_high_f32(vi2x1), 0);
119         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk00c0x4567, vget_high_f32(vi0x1), 0);
120         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk00c0x4567, vget_high_f32(vi2x1), 0);
121 
122         const float32x4_t vk10c0x0123 = vld1q_f32(w + 16);
123         const float32x4_t vk10c0x4567 = vld1q_f32(w + 20);
124 
125         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk10c0x0123, vget_low_f32(vi1x0), 0);
126         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk10c0x0123, vget_low_f32(vi3x0), 0);
127         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk10c0x4567, vget_low_f32(vi1x0), 0);
128         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk10c0x4567, vget_low_f32(vi3x0), 0);
129 
130         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk10c0x0123, vget_high_f32(vi1x1), 0);
131         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk10c0x0123, vget_high_f32(vi3x1), 0);
132         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk10c0x4567, vget_high_f32(vi1x1), 0);
133         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk10c0x4567, vget_high_f32(vi3x1), 0);
134 
135         const float32x4_t vk20c0x0123 = vld1q_f32(w + 24);
136         const float32x4_t vk20c0x4567 = vld1q_f32(w + 28);
137 
138         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk20c0x0123, vget_low_f32(vi2x0), 0);
139         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk20c0x0123, vget_low_f32(vi4x0), 0);
140         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk20c0x4567, vget_low_f32(vi2x0), 0);
141         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk20c0x4567, vget_low_f32(vi4x0), 0);
142 
143         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk20c0x0123, vget_high_f32(vi2x1), 0);
144         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk20c0x0123, vget_high_f32(vi4x1), 0);
145         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk20c0x4567, vget_high_f32(vi2x1), 0);
146         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk20c0x4567, vget_high_f32(vi4x1), 0);
147 
148         const float32x4_t vk00c1x0123 = vld1q_f32(w + 32);
149         const float32x4_t vk00c1x4567 = vld1q_f32(w + 36);
150 
151         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk00c1x0123, vget_low_f32(vi0x0), 1);
152         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk00c1x0123, vget_low_f32(vi2x0), 1);
153         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk00c1x4567, vget_low_f32(vi0x0), 1);
154         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk00c1x4567, vget_low_f32(vi2x0), 1);
155 
156         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk00c1x0123, vget_high_f32(vi0x1), 1);
157         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk00c1x0123, vget_high_f32(vi2x1), 1);
158         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk00c1x4567, vget_high_f32(vi0x1), 1);
159         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk00c1x4567, vget_high_f32(vi2x1), 1);
160 
161         const float32x4_t vk10c1x0123 = vld1q_f32(w + 40);
162         const float32x4_t vk10c1x4567 = vld1q_f32(w + 44);
163 
164         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk10c1x0123, vget_low_f32(vi1x0), 1);
165         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk10c1x0123, vget_low_f32(vi3x0), 1);
166         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk10c1x4567, vget_low_f32(vi1x0), 1);
167         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk10c1x4567, vget_low_f32(vi3x0), 1);
168 
169         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk10c1x0123, vget_high_f32(vi1x1), 1);
170         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk10c1x0123, vget_high_f32(vi3x1), 1);
171         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk10c1x4567, vget_high_f32(vi1x1), 1);
172         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk10c1x4567, vget_high_f32(vi3x1), 1);
173 
174         const float32x4_t vk20c1x0123 = vld1q_f32(w + 48);
175         const float32x4_t vk20c1x4567 = vld1q_f32(w + 52);
176 
177         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk20c1x0123, vget_low_f32(vi2x0), 1);
178         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk20c1x0123, vget_low_f32(vi4x0), 1);
179         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk20c1x4567, vget_low_f32(vi2x0), 1);
180         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk20c1x4567, vget_low_f32(vi4x0), 1);
181 
182         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk20c1x0123, vget_high_f32(vi2x1), 1);
183         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk20c1x0123, vget_high_f32(vi4x1), 1);
184         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk20c1x4567, vget_high_f32(vi2x1), 1);
185         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk20c1x4567, vget_high_f32(vi4x1), 1);
186 
187         const float32x4_t vk00c2x0123 = vld1q_f32(w + 56);
188         const float32x4_t vk00c2x4567 = vld1q_f32(w + 60);
189 
190         // viMx2 = ( iM3c2, iM3c1, iM3c0, iM2c2 )
191         const float32x4_t vi0x2 = vld1q_f32(i0); i0 += 4;
192         const float32x4_t vi1x2 = vld1q_f32(i1); i1 += 4;
193         const float32x4_t vi2x2 = vld1q_f32(i2); i2 += 4;
194         const float32x4_t vi3x2 = vld1q_f32(i3); i3 += 4;
195         const float32x4_t vi4x2 = vld1q_f32(i4); i4 += 4;
196 
197         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk00c2x0123, vget_high_f32(vi0x0), 0);
198         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk00c2x0123, vget_high_f32(vi2x0), 0);
199         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk00c2x4567, vget_high_f32(vi0x0), 0);
200         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk00c2x4567, vget_high_f32(vi2x0), 0);
201 
202         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk00c2x0123, vget_low_f32(vi0x2), 0);
203         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk00c2x0123, vget_low_f32(vi2x2), 0);
204         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk00c2x4567, vget_low_f32(vi0x2), 0);
205         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk00c2x4567, vget_low_f32(vi2x2), 0);
206 
207         const float32x4_t vk10c2x0123 = vld1q_f32(w + 64);
208         const float32x4_t vk10c2x4567 = vld1q_f32(w + 68);
209 
210         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk10c2x0123, vget_high_f32(vi1x0), 0);
211         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk10c2x0123, vget_high_f32(vi3x0), 0);
212         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk10c2x4567, vget_high_f32(vi1x0), 0);
213         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk10c2x4567, vget_high_f32(vi3x0), 0);
214 
215         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk10c2x0123, vget_low_f32(vi1x2), 0);
216         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk10c2x0123, vget_low_f32(vi3x2), 0);
217         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk10c2x4567, vget_low_f32(vi1x2), 0);
218         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk10c2x4567, vget_low_f32(vi3x2), 0);
219 
220         const float32x4_t vk20c2x0123 = vld1q_f32(w + 72);
221         const float32x4_t vk20c2x4567 = vld1q_f32(w + 76);
222 
223         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk20c2x0123, vget_high_f32(vi2x0), 0);
224         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk20c2x0123, vget_high_f32(vi4x0), 0);
225         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk20c2x4567, vget_high_f32(vi2x0), 0);
226         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk20c2x4567, vget_high_f32(vi4x0), 0);
227 
228         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk20c2x0123, vget_low_f32(vi2x2), 0);
229         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk20c2x0123, vget_low_f32(vi4x2), 0);
230         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk20c2x4567, vget_low_f32(vi2x2), 0);
231         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk20c2x4567, vget_low_f32(vi4x2), 0);
232 
233         const float32x4_t vk01c0x0123 = vld1q_f32(w + 80);
234         const float32x4_t vk01c0x4567 = vld1q_f32(w + 84);
235 
236         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk01c0x0123, vget_high_f32(vi0x0), 1);
237         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk01c0x0123, vget_high_f32(vi2x0), 1);
238         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk01c0x4567, vget_high_f32(vi0x0), 1);
239         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk01c0x4567, vget_high_f32(vi2x0), 1);
240 
241         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk01c0x0123, vget_low_f32(vi0x2), 1);
242         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk01c0x0123, vget_low_f32(vi2x2), 1);
243         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk01c0x4567, vget_low_f32(vi0x2), 1);
244         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk01c0x4567, vget_low_f32(vi2x2), 1);
245 
246         const float32x4_t vk11c0x0123 = vld1q_f32(w + 88);
247         const float32x4_t vk11c0x4567 = vld1q_f32(w + 92);
248 
249         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk11c0x0123, vget_high_f32(vi1x0), 1);
250         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk11c0x0123, vget_high_f32(vi3x0), 1);
251         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk11c0x4567, vget_high_f32(vi1x0), 1);
252         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk11c0x4567, vget_high_f32(vi3x0), 1);
253 
254         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk11c0x0123, vget_low_f32(vi1x2), 1);
255         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk11c0x0123, vget_low_f32(vi3x2), 1);
256         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk11c0x4567, vget_low_f32(vi1x2), 1);
257         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk11c0x4567, vget_low_f32(vi3x2), 1);
258 
259         const float32x4_t vk21c0x0123 = vld1q_f32(w + 96);
260         const float32x4_t vk21c0x4567 = vld1q_f32(w + 100);
261 
262         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk21c0x0123, vget_high_f32(vi2x0), 1);
263         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk21c0x0123, vget_high_f32(vi4x0), 1);
264         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk21c0x4567, vget_high_f32(vi2x0), 1);
265         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk21c0x4567, vget_high_f32(vi4x0), 1);
266 
267         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk21c0x0123, vget_low_f32(vi2x2), 1);
268         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk21c0x0123, vget_low_f32(vi4x2), 1);
269         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk21c0x4567, vget_low_f32(vi2x2), 1);
270         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk21c0x4567, vget_low_f32(vi4x2), 1);
271 
272         const float32x4_t vk01c1x0123 = vld1q_f32(w + 104);
273         const float32x4_t vk01c1x4567 = vld1q_f32(w + 108);
274 
275         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk01c1x0123, vget_low_f32(vi0x1), 0);
276         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk01c1x0123, vget_low_f32(vi2x1), 0);
277         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk01c1x4567, vget_low_f32(vi0x1), 0);
278         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk01c1x4567, vget_low_f32(vi2x1), 0);
279 
280         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk01c1x0123, vget_high_f32(vi0x2), 0);
281         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk01c1x0123, vget_high_f32(vi2x2), 0);
282         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk01c1x4567, vget_high_f32(vi0x2), 0);
283         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk01c1x4567, vget_high_f32(vi2x2), 0);
284 
285         const float32x4_t vk11c1x0123 = vld1q_f32(w + 112);
286         const float32x4_t vk11c1x4567 = vld1q_f32(w + 116);
287 
288         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk11c1x0123, vget_low_f32(vi1x1), 0);
289         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk11c1x0123, vget_low_f32(vi3x1), 0);
290         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk11c1x4567, vget_low_f32(vi1x1), 0);
291         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk11c1x4567, vget_low_f32(vi3x1), 0);
292 
293         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk11c1x0123, vget_high_f32(vi1x2), 0);
294         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk11c1x0123, vget_high_f32(vi3x2), 0);
295         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk11c1x4567, vget_high_f32(vi1x2), 0);
296         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk11c1x4567, vget_high_f32(vi3x2), 0);
297 
298         const float32x4_t vk21c1x0123 = vld1q_f32(w + 120);
299         const float32x4_t vk21c1x4567 = vld1q_f32(w + 124);
300 
301         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk21c1x0123, vget_low_f32(vi2x1), 0);
302         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk21c1x0123, vget_low_f32(vi4x1), 0);
303         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk21c1x4567, vget_low_f32(vi2x1), 0);
304         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk21c1x4567, vget_low_f32(vi4x1), 0);
305 
306         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk21c1x0123, vget_high_f32(vi2x2), 0);
307         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk21c1x0123, vget_high_f32(vi4x2), 0);
308         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk21c1x4567, vget_high_f32(vi2x2), 0);
309         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk21c1x4567, vget_high_f32(vi4x2), 0);
310 
311         const float32x4_t vk01c2x0123 = vld1q_f32(w + 128);
312         const float32x4_t vk01c2x4567 = vld1q_f32(w + 132);
313 
314         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk01c2x0123, vget_low_f32(vi0x1), 1);
315         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk01c2x0123, vget_low_f32(vi2x1), 1);
316         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk01c2x4567, vget_low_f32(vi0x1), 1);
317         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk01c2x4567, vget_low_f32(vi2x1), 1);
318 
319         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk01c2x0123, vget_high_f32(vi0x2), 1);
320         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk01c2x0123, vget_high_f32(vi2x2), 1);
321         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk01c2x4567, vget_high_f32(vi0x2), 1);
322         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk01c2x4567, vget_high_f32(vi2x2), 1);
323 
324         const float32x4_t vk11c2x0123 = vld1q_f32(w + 136);
325         const float32x4_t vk11c2x4567 = vld1q_f32(w + 140);
326 
327         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk11c2x0123, vget_low_f32(vi1x1), 1);
328         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk11c2x0123, vget_low_f32(vi3x1), 1);
329         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk11c2x4567, vget_low_f32(vi1x1), 1);
330         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk11c2x4567, vget_low_f32(vi3x1), 1);
331 
332         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk11c2x0123, vget_high_f32(vi1x2), 1);
333         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk11c2x0123, vget_high_f32(vi3x2), 1);
334         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk11c2x4567, vget_high_f32(vi1x2), 1);
335         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk11c2x4567, vget_high_f32(vi3x2), 1);
336 
337         const float32x4_t vk21c2x0123 = vld1q_f32(w + 144);
338         const float32x4_t vk21c2x4567 = vld1q_f32(w + 148);
339 
340         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk21c2x0123, vget_low_f32(vi2x1), 1);
341         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk21c2x0123, vget_low_f32(vi4x1), 1);
342         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk21c2x4567, vget_low_f32(vi2x1), 1);
343         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk21c2x4567, vget_low_f32(vi4x1), 1);
344 
345         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk21c2x0123, vget_high_f32(vi2x2), 1);
346         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk21c2x0123, vget_high_f32(vi4x2), 1);
347         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk21c2x4567, vget_high_f32(vi2x2), 1);
348         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk21c2x4567, vget_high_f32(vi4x2), 1);
349 
350         const float32x4_t vk02c0x0123 = vld1q_f32(w + 152);
351         const float32x4_t vk02c0x4567 = vld1q_f32(w + 156);
352 
353         // viMx3 = ( iM5c0, iM4c2, iM4c1, iM4c0 )
354         const float32x4_t vi0x3 = vld1q_f32(i0); i0 += 4;
355         const float32x4_t vi1x3 = vld1q_f32(i1); i1 += 4;
356         const float32x4_t vi2x3 = vld1q_f32(i2); i2 += 4;
357         const float32x4_t vi3x3 = vld1q_f32(i3); i3 += 4;
358         const float32x4_t vi4x3 = vld1q_f32(i4); i4 += 4;
359 
360         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk02c0x0123, vget_high_f32(vi0x1), 0);
361         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk02c0x0123, vget_high_f32(vi2x1), 0);
362         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk02c0x4567, vget_high_f32(vi0x1), 0);
363         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk02c0x4567, vget_high_f32(vi2x1), 0);
364 
365         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk02c0x0123, vget_low_f32(vi0x3), 0);
366         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk02c0x0123, vget_low_f32(vi2x3), 0);
367         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk02c0x4567, vget_low_f32(vi0x3), 0);
368         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk02c0x4567, vget_low_f32(vi2x3), 0);
369 
370         const float32x4_t vk12c0x0123 = vld1q_f32(w + 160);
371         const float32x4_t vk12c0x4567 = vld1q_f32(w + 164);
372 
373         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk12c0x0123, vget_high_f32(vi1x1), 0);
374         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk12c0x0123, vget_high_f32(vi3x1), 0);
375         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk12c0x4567, vget_high_f32(vi1x1), 0);
376         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk12c0x4567, vget_high_f32(vi3x1), 0);
377 
378         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk12c0x0123, vget_low_f32(vi1x3), 0);
379         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk12c0x0123, vget_low_f32(vi3x3), 0);
380         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk12c0x4567, vget_low_f32(vi1x3), 0);
381         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk12c0x4567, vget_low_f32(vi3x3), 0);
382 
383         const float32x4_t vk22c0x0123 = vld1q_f32(w + 168);
384         const float32x4_t vk22c0x4567 = vld1q_f32(w + 172);
385 
386         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk22c0x0123, vget_high_f32(vi2x1), 0);
387         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk22c0x0123, vget_high_f32(vi4x1), 0);
388         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk22c0x4567, vget_high_f32(vi2x1), 0);
389         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk22c0x4567, vget_high_f32(vi4x1), 0);
390 
391         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk22c0x0123, vget_low_f32(vi2x3), 0);
392         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk22c0x0123, vget_low_f32(vi4x3), 0);
393         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk22c0x4567, vget_low_f32(vi2x3), 0);
394         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk22c0x4567, vget_low_f32(vi4x3), 0);
395 
396         const float32x4_t vk02c1x0123 = vld1q_f32(w + 176);
397         const float32x4_t vk02c1x4567 = vld1q_f32(w + 180);
398 
399         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk02c1x0123, vget_high_f32(vi0x1), 1);
400         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk02c1x0123, vget_high_f32(vi2x1), 1);
401         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk02c1x4567, vget_high_f32(vi0x1), 1);
402         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk02c1x4567, vget_high_f32(vi2x1), 1);
403 
404         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk02c1x0123, vget_low_f32(vi0x3), 1);
405         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk02c1x0123, vget_low_f32(vi2x3), 1);
406         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk02c1x4567, vget_low_f32(vi0x3), 1);
407         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk02c1x4567, vget_low_f32(vi2x3), 1);
408 
409         const float32x4_t vk12c1x0123 = vld1q_f32(w + 184);
410         const float32x4_t vk12c1x4567 = vld1q_f32(w + 188);
411 
412         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk12c1x0123, vget_high_f32(vi1x1), 1);
413         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk12c1x0123, vget_high_f32(vi3x1), 1);
414         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk12c1x4567, vget_high_f32(vi1x1), 1);
415         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk12c1x4567, vget_high_f32(vi3x1), 1);
416 
417         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk12c1x0123, vget_low_f32(vi1x3), 1);
418         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk12c1x0123, vget_low_f32(vi3x3), 1);
419         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk12c1x4567, vget_low_f32(vi1x3), 1);
420         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk12c1x4567, vget_low_f32(vi3x3), 1);
421 
422         const float32x4_t vk22c1x0123 = vld1q_f32(w + 192);
423         const float32x4_t vk22c1x4567 = vld1q_f32(w + 196);
424 
425         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk22c1x0123, vget_high_f32(vi2x1), 1);
426         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk22c1x0123, vget_high_f32(vi4x1), 1);
427         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk22c1x4567, vget_high_f32(vi2x1), 1);
428         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk22c1x4567, vget_high_f32(vi4x1), 1);
429 
430         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk22c1x0123, vget_low_f32(vi2x3), 1);
431         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk22c1x0123, vget_low_f32(vi4x3), 1);
432         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk22c1x4567, vget_low_f32(vi2x3), 1);
433         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk22c1x4567, vget_low_f32(vi4x3), 1);
434 
435         const float32x4_t vk02c2x0123 = vld1q_f32(w + 200);
436         const float32x4_t vk02c2x4567 = vld1q_f32(w + 204);
437 
438         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk02c2x0123, vget_low_f32(vi0x2), 0);
439         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk02c2x0123, vget_low_f32(vi2x2), 0);
440         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk02c2x4567, vget_low_f32(vi0x2), 0);
441         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk02c2x4567, vget_low_f32(vi2x2), 0);
442 
443         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk02c2x0123, vget_high_f32(vi0x3), 0);
444         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk02c2x0123, vget_high_f32(vi2x3), 0);
445         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk02c2x4567, vget_high_f32(vi0x3), 0);
446         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk02c2x4567, vget_high_f32(vi2x3), 0);
447 
448         const float32x4_t vk12c2x0123 = vld1q_f32(w + 208);
449         const float32x4_t vk12c2x4567 = vld1q_f32(w + 212);
450 
451         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk12c2x0123, vget_low_f32(vi1x2), 0);
452         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk12c2x0123, vget_low_f32(vi3x2), 0);
453         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk12c2x4567, vget_low_f32(vi1x2), 0);
454         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk12c2x4567, vget_low_f32(vi3x2), 0);
455 
456         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk12c2x0123, vget_high_f32(vi1x3), 0);
457         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk12c2x0123, vget_high_f32(vi3x3), 0);
458         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk12c2x4567, vget_high_f32(vi1x3), 0);
459         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk12c2x4567, vget_high_f32(vi3x3), 0);
460 
461         const float32x4_t vk22c2x0123 = vld1q_f32(w + 216);
462         const float32x4_t vk22c2x4567 = vld1q_f32(w + 220);
463 
464         vo0x0c0123 = vfmaq_lane_f32(vo0x0c0123, vk22c2x0123, vget_low_f32(vi2x2), 0);
465         vo1x0c0123 = vfmaq_lane_f32(vo1x0c0123, vk22c2x0123, vget_low_f32(vi4x2), 0);
466         vo0x0c4567 = vfmaq_lane_f32(vo0x0c4567, vk22c2x4567, vget_low_f32(vi2x2), 0);
467         vo1x0c4567 = vfmaq_lane_f32(vo1x0c4567, vk22c2x4567, vget_low_f32(vi4x2), 0);
468 
469         vo0x1c0123 = vfmaq_lane_f32(vo0x1c0123, vk22c2x0123, vget_high_f32(vi2x3), 0);
470         vo1x1c0123 = vfmaq_lane_f32(vo1x1c0123, vk22c2x0123, vget_high_f32(vi4x3), 0);
471         vo0x1c4567 = vfmaq_lane_f32(vo0x1c4567, vk22c2x4567, vget_high_f32(vi2x3), 0);
472         vo1x1c4567 = vfmaq_lane_f32(vo1x1c4567, vk22c2x4567, vget_high_f32(vi4x3), 0);
473 
474         vi0x0 = vi0x3;
475         vi1x0 = vi1x3;
476         vi2x0 = vi2x3;
477         vi3x0 = vi3x3;
478         vi4x0 = vi4x3;
479 
480 
481         vo0x0c0123 = vmaxq_f32(vo0x0c0123, vmin);
482         vo1x0c0123 = vmaxq_f32(vo1x0c0123, vmin);
483         vo0x0c4567 = vmaxq_f32(vo0x0c4567, vmin);
484         vo1x0c4567 = vmaxq_f32(vo1x0c4567, vmin);
485 
486         vo0x1c0123 = vmaxq_f32(vo0x1c0123, vmin);
487         vo1x1c0123 = vmaxq_f32(vo1x1c0123, vmin);
488         vo0x1c4567 = vmaxq_f32(vo0x1c4567, vmin);
489         vo1x1c4567 = vmaxq_f32(vo1x1c4567, vmin);
490 
491         vo0x0c0123 = vminq_f32(vo0x0c0123, vmax);
492         vo1x0c0123 = vminq_f32(vo1x0c0123, vmax);
493         vo0x0c4567 = vminq_f32(vo0x0c4567, vmax);
494         vo1x0c4567 = vminq_f32(vo1x0c4567, vmax);
495 
496         vo0x1c0123 = vminq_f32(vo0x1c0123, vmax);
497         vo1x1c0123 = vminq_f32(vo1x1c0123, vmax);
498         vo0x1c4567 = vminq_f32(vo0x1c4567, vmax);
499         vo1x1c4567 = vminq_f32(vo1x1c4567, vmax);
500 
501         if XNN_LIKELY(c >= 8) {
502           vst1q_f32(o1, vo1x0c0123);
503           vst1q_f32(o1 + 4, vo1x0c4567);
504           o1 = (float*) ((uintptr_t) o1 + output_width_stride);
505           vst1q_f32(o0, vo0x0c0123);
506           vst1q_f32(o0 + 4, vo0x0c4567);
507           o0 = (float*) ((uintptr_t) o0 + output_width_stride);
508 
509           vst1q_f32(o1, vo1x1c0123);
510           vst1q_f32(o1 + 4, vo1x1c4567);
511           o1 = (float*) ((uintptr_t) o1 + output_width_stride);
512           vst1q_f32(o0, vo0x1c0123);
513           vst1q_f32(o0 + 4, vo0x1c4567);
514           o0 = (float*) ((uintptr_t) o0 + output_width_stride);
515         } else {
516           float* o0_tmp = o0;
517           float* o1_tmp = o1;
518           if (c & 4) {
519             vst1q_f32((float*) ((uintptr_t) o1_tmp + output_width_stride), vo1x1c0123);
520             vo1x1c0123 = vo1x1c4567;
521             vst1q_f32((float*) ((uintptr_t) o0_tmp + output_width_stride), vo0x1c0123);
522             vo0x1c0123 = vo0x1c4567;
523 
524             vst1q_f32(o1_tmp, vo1x0c0123); o1_tmp += 4;
525             vo1x0c0123 = vo1x0c4567;
526             vst1q_f32(o0_tmp, vo0x0c0123); o0_tmp += 4;
527             vo0x0c0123 = vo0x0c4567;
528           }
529           float32x2_t vo0x0c01 = vget_low_f32(vo0x0c0123);
530           float32x2_t vo1x0c01 = vget_low_f32(vo1x0c0123);
531           float32x2_t vo0x1c01 = vget_low_f32(vo0x1c0123);
532           float32x2_t vo1x1c01 = vget_low_f32(vo1x1c0123);
533           if (c & 2) {
534             vst1_f32((float*) ((uintptr_t) o1_tmp + output_width_stride), vo1x1c01);
535             vo1x1c01 = vget_high_f32(vo1x1c0123);
536             vst1_f32((float*) ((uintptr_t) o0_tmp + output_width_stride), vo0x1c01);
537             vo0x1c01 = vget_high_f32(vo0x1c0123);
538 
539             vst1_f32(o1_tmp, vo1x0c01); o1_tmp += 2;
540             vo1x0c01 = vget_high_f32(vo1x0c0123);
541             vst1_f32(o0_tmp, vo0x0c01); o0_tmp += 2;
542             vo0x0c01 = vget_high_f32(vo0x0c0123);
543           }
544           if (c & 1) {
545             vst1_lane_f32(o1_tmp, vo1x0c01, 0);
546             vst1_lane_f32(o0_tmp, vo0x0c01, 0);
547 
548             vst1_lane_f32((float*) ((uintptr_t) o1_tmp + output_width_stride), vo1x1c01, 0);
549             vst1_lane_f32((float*) ((uintptr_t) o0_tmp + output_width_stride), vo0x1c01, 0);
550           }
551 
552           o0 = (float*) ((uintptr_t) o0 + output_width_stride * 2);
553           o1 = (float*) ((uintptr_t) o1 + output_width_stride * 2);
554         }
555       }
556       assert(iw < 4);
557       if XNN_LIKELY(iw & 2) {
558         float32x4_t vo0c0123 = vld1q_f32(w);
559         float32x4_t vo0c4567 = vld1q_f32(w + 4);
560         float32x4_t vo1c0123 = vo0c0123;
561         float32x4_t vo1c4567 = vo0c4567;
562 
563         const float32x4_t vk00c0x0123 = vld1q_f32(w + 8);
564         const float32x4_t vk00c0x4567 = vld1q_f32(w + 12);
565 
566         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk00c0x0123, vget_low_f32(vi0x0), 0);
567         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk00c0x0123, vget_low_f32(vi2x0), 0);
568         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk00c0x4567, vget_low_f32(vi0x0), 0);
569         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk00c0x4567, vget_low_f32(vi2x0), 0);
570 
571         const float32x4_t vk10c0x0123 = vld1q_f32(w + 16);
572         const float32x4_t vk10c0x4567 = vld1q_f32(w + 20);
573 
574         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk10c0x0123, vget_low_f32(vi1x0), 0);
575         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk10c0x0123, vget_low_f32(vi3x0), 0);
576         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk10c0x4567, vget_low_f32(vi1x0), 0);
577         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk10c0x4567, vget_low_f32(vi3x0), 0);
578 
579         const float32x4_t vk20c0x0123 = vld1q_f32(w + 24);
580         const float32x4_t vk20c0x4567 = vld1q_f32(w + 28);
581 
582         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk20c0x0123, vget_low_f32(vi2x0), 0);
583         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk20c0x0123, vget_low_f32(vi4x0), 0);
584         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk20c0x4567, vget_low_f32(vi2x0), 0);
585         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk20c0x4567, vget_low_f32(vi4x0), 0);
586 
587         const float32x4_t vk00c1x0123 = vld1q_f32(w + 32);
588         const float32x4_t vk00c1x4567 = vld1q_f32(w + 36);
589 
590         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk00c1x0123, vget_low_f32(vi0x0), 1);
591         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk00c1x0123, vget_low_f32(vi2x0), 1);
592         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk00c1x4567, vget_low_f32(vi0x0), 1);
593         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk00c1x4567, vget_low_f32(vi2x0), 1);
594 
595         const float32x4_t vk10c1x0123 = vld1q_f32(w + 40);
596         const float32x4_t vk10c1x4567 = vld1q_f32(w + 44);
597 
598         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk10c1x0123, vget_low_f32(vi1x0), 1);
599         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk10c1x0123, vget_low_f32(vi3x0), 1);
600         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk10c1x4567, vget_low_f32(vi1x0), 1);
601         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk10c1x4567, vget_low_f32(vi3x0), 1);
602 
603         const float32x4_t vk20c1x0123 = vld1q_f32(w + 48);
604         const float32x4_t vk20c1x4567 = vld1q_f32(w + 52);
605 
606         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk20c1x0123, vget_low_f32(vi2x0), 1);
607         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk20c1x0123, vget_low_f32(vi4x0), 1);
608         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk20c1x4567, vget_low_f32(vi2x0), 1);
609         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk20c1x4567, vget_low_f32(vi4x0), 1);
610 
611         const float32x4_t vk00c2x0123 = vld1q_f32(w + 56);
612         const float32x4_t vk00c2x4567 = vld1q_f32(w + 60);
613 
614         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk00c2x0123, vget_high_f32(vi0x0), 0);
615         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk00c2x0123, vget_high_f32(vi2x0), 0);
616         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk00c2x4567, vget_high_f32(vi0x0), 0);
617         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk00c2x4567, vget_high_f32(vi2x0), 0);
618 
619         const float32x4_t vk10c2x0123 = vld1q_f32(w + 64);
620         const float32x4_t vk10c2x4567 = vld1q_f32(w + 68);
621 
622         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk10c2x0123, vget_high_f32(vi1x0), 0);
623         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk10c2x0123, vget_high_f32(vi3x0), 0);
624         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk10c2x4567, vget_high_f32(vi1x0), 0);
625         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk10c2x4567, vget_high_f32(vi3x0), 0);
626 
627         const float32x4_t vk20c2x0123 = vld1q_f32(w + 72);
628         const float32x4_t vk20c2x4567 = vld1q_f32(w + 76);
629 
630         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk20c2x0123, vget_high_f32(vi2x0), 0);
631         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk20c2x0123, vget_high_f32(vi4x0), 0);
632         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk20c2x4567, vget_high_f32(vi2x0), 0);
633         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk20c2x4567, vget_high_f32(vi4x0), 0);
634 
635         const float32x4_t vk01c0x0123 = vld1q_f32(w + 80);
636         const float32x4_t vk01c0x4567 = vld1q_f32(w + 84);
637 
638         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk01c0x0123, vget_high_f32(vi0x0), 1);
639         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk01c0x0123, vget_high_f32(vi2x0), 1);
640         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk01c0x4567, vget_high_f32(vi0x0), 1);
641         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk01c0x4567, vget_high_f32(vi2x0), 1);
642 
643         const float32x4_t vk11c0x0123 = vld1q_f32(w + 88);
644         const float32x4_t vk11c0x4567 = vld1q_f32(w + 92);
645 
646         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk11c0x0123, vget_high_f32(vi1x0), 1);
647         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk11c0x0123, vget_high_f32(vi3x0), 1);
648         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk11c0x4567, vget_high_f32(vi1x0), 1);
649         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk11c0x4567, vget_high_f32(vi3x0), 1);
650 
651         const float32x4_t vk21c0x0123 = vld1q_f32(w + 96);
652         const float32x4_t vk21c0x4567 = vld1q_f32(w + 100);
653 
654         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk21c0x0123, vget_high_f32(vi2x0), 1);
655         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk21c0x0123, vget_high_f32(vi4x0), 1);
656         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk21c0x4567, vget_high_f32(vi2x0), 1);
657         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk21c0x4567, vget_high_f32(vi4x0), 1);
658 
659         const float32x4_t vk01c1x0123 = vld1q_f32(w + 104);
660         const float32x4_t vk01c1x4567 = vld1q_f32(w + 108);
661 
662         // viMx1 = ( iM2c0, iM1c2, iM1c1, iM1c0 )
663         const float32x4_t vi0x1 = vld1q_f32(i0); i0 += 4;
664         const float32x4_t vi1x1 = vld1q_f32(i1); i1 += 4;
665         const float32x4_t vi2x1 = vld1q_f32(i2); i2 += 4;
666         const float32x4_t vi3x1 = vld1q_f32(i3); i3 += 4;
667         const float32x4_t vi4x1 = vld1q_f32(i4); i4 += 4;
668 
669         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk01c1x0123, vget_low_f32(vi0x1), 0);
670         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk01c1x0123, vget_low_f32(vi2x1), 0);
671         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk01c1x4567, vget_low_f32(vi0x1), 0);
672         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk01c1x4567, vget_low_f32(vi2x1), 0);
673 
674         const float32x4_t vk11c1x0123 = vld1q_f32(w + 112);
675         const float32x4_t vk11c1x4567 = vld1q_f32(w + 116);
676 
677         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk11c1x0123, vget_low_f32(vi1x1), 0);
678         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk11c1x0123, vget_low_f32(vi3x1), 0);
679         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk11c1x4567, vget_low_f32(vi1x1), 0);
680         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk11c1x4567, vget_low_f32(vi3x1), 0);
681 
682         const float32x4_t vk21c1x0123 = vld1q_f32(w + 120);
683         const float32x4_t vk21c1x4567 = vld1q_f32(w + 124);
684 
685         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk21c1x0123, vget_low_f32(vi2x1), 0);
686         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk21c1x0123, vget_low_f32(vi4x1), 0);
687         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk21c1x4567, vget_low_f32(vi2x1), 0);
688         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk21c1x4567, vget_low_f32(vi4x1), 0);
689 
690         const float32x4_t vk01c2x0123 = vld1q_f32(w + 128);
691         const float32x4_t vk01c2x4567 = vld1q_f32(w + 132);
692 
693         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk01c2x0123, vget_low_f32(vi0x1), 1);
694         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk01c2x0123, vget_low_f32(vi2x1), 1);
695         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk01c2x4567, vget_low_f32(vi0x1), 1);
696         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk01c2x4567, vget_low_f32(vi2x1), 1);
697 
698         const float32x4_t vk11c2x0123 = vld1q_f32(w + 136);
699         const float32x4_t vk11c2x4567 = vld1q_f32(w + 140);
700 
701         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk11c2x0123, vget_low_f32(vi1x1), 1);
702         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk11c2x0123, vget_low_f32(vi3x1), 1);
703         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk11c2x4567, vget_low_f32(vi1x1), 1);
704         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk11c2x4567, vget_low_f32(vi3x1), 1);
705 
706         const float32x4_t vk21c2x0123 = vld1q_f32(w + 144);
707         const float32x4_t vk21c2x4567 = vld1q_f32(w + 148);
708 
709         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk21c2x0123, vget_low_f32(vi2x1), 1);
710         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk21c2x0123, vget_low_f32(vi4x1), 1);
711         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk21c2x4567, vget_low_f32(vi2x1), 1);
712         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk21c2x4567, vget_low_f32(vi4x1), 1);
713 
714         const float32x4_t vk02c0x0123 = vld1q_f32(w + 152);
715         const float32x4_t vk02c0x4567 = vld1q_f32(w + 156);
716 
717         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk02c0x0123, vget_high_f32(vi0x1), 0);
718         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk02c0x0123, vget_high_f32(vi2x1), 0);
719         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk02c0x4567, vget_high_f32(vi0x1), 0);
720         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk02c0x4567, vget_high_f32(vi2x1), 0);
721 
722         const float32x4_t vk12c0x0123 = vld1q_f32(w + 160);
723         const float32x4_t vk12c0x4567 = vld1q_f32(w + 164);
724 
725         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk12c0x0123, vget_high_f32(vi1x1), 0);
726         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk12c0x0123, vget_high_f32(vi3x1), 0);
727         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk12c0x4567, vget_high_f32(vi1x1), 0);
728         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk12c0x4567, vget_high_f32(vi3x1), 0);
729 
730         const float32x4_t vk22c0x0123 = vld1q_f32(w + 168);
731         const float32x4_t vk22c0x4567 = vld1q_f32(w + 172);
732 
733         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk22c0x0123, vget_high_f32(vi2x1), 0);
734         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk22c0x0123, vget_high_f32(vi4x1), 0);
735         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk22c0x4567, vget_high_f32(vi2x1), 0);
736         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk22c0x4567, vget_high_f32(vi4x1), 0);
737 
738         const float32x4_t vk02c1x0123 = vld1q_f32(w + 176);
739         const float32x4_t vk02c1x4567 = vld1q_f32(w + 180);
740 
741         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk02c1x0123, vget_high_f32(vi0x1), 1);
742         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk02c1x0123, vget_high_f32(vi2x1), 1);
743         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk02c1x4567, vget_high_f32(vi0x1), 1);
744         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk02c1x4567, vget_high_f32(vi2x1), 1);
745 
746         const float32x4_t vk12c1x0123 = vld1q_f32(w + 184);
747         const float32x4_t vk12c1x4567 = vld1q_f32(w + 188);
748 
749         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk12c1x0123, vget_high_f32(vi1x1), 1);
750         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk12c1x0123, vget_high_f32(vi3x1), 1);
751         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk12c1x4567, vget_high_f32(vi1x1), 1);
752         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk12c1x4567, vget_high_f32(vi3x1), 1);
753 
754         const float32x4_t vk22c1x0123 = vld1q_f32(w + 192);
755         const float32x4_t vk22c1x4567 = vld1q_f32(w + 196);
756 
757         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk22c1x0123, vget_high_f32(vi2x1), 1);
758         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk22c1x0123, vget_high_f32(vi4x1), 1);
759         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk22c1x4567, vget_high_f32(vi2x1), 1);
760         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk22c1x4567, vget_high_f32(vi4x1), 1);
761 
762         const float32x4_t vk02c2x0123 = vld1q_f32(w + 200);
763         const float32x4_t vk02c2x4567 = vld1q_f32(w + 204);
764 
765         // viMx2 = ( iM2c2, iM2c1 )
766         const float32x2_t vi0x2 = vld1_f32(i0); i0 += 2;
767         const float32x2_t vi1x2 = vld1_f32(i1); i1 += 2;
768         const float32x2_t vi2x2 = vld1_f32(i2); i2 += 2;
769         const float32x2_t vi3x2 = vld1_f32(i3); i3 += 2;
770         const float32x2_t vi4x2 = vld1_f32(i4); i4 += 2;
771 
772         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk02c2x0123, vi0x2, 0);
773         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk02c2x0123, vi2x2, 0);
774         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk02c2x4567, vi0x2, 0);
775         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk02c2x4567, vi2x2, 0);
776 
777         const float32x4_t vk12c2x0123 = vld1q_f32(w + 208);
778         const float32x4_t vk12c2x4567 = vld1q_f32(w + 212);
779 
780         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk12c2x0123, vi1x2, 0);
781         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk12c2x0123, vi3x2, 0);
782         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk12c2x4567, vi1x2, 0);
783         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk12c2x4567, vi3x2, 0);
784 
785         const float32x4_t vk22c2x0123 = vld1q_f32(w + 216);
786         const float32x4_t vk22c2x4567 = vld1q_f32(w + 220);
787 
788         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk22c2x0123, vi2x2, 0);
789         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk22c2x0123, vi4x2, 0);
790         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk22c2x4567, vi2x2, 0);
791         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk22c2x4567, vi4x2, 0);
792 
793         vi0x0 = vcombine_f32(vget_high_f32(vi0x1), vi0x2);
794         vi1x0 = vcombine_f32(vget_high_f32(vi1x1), vi1x2);
795         vi2x0 = vcombine_f32(vget_high_f32(vi2x1), vi2x2);
796         vi3x0 = vcombine_f32(vget_high_f32(vi3x1), vi3x2);
797         vi4x0 = vcombine_f32(vget_high_f32(vi4x1), vi4x2);
798 
799 
800         vo0c0123 = vmaxq_f32(vo0c0123, vmin);
801         vo1c0123 = vmaxq_f32(vo1c0123, vmin);
802         vo0c4567 = vmaxq_f32(vo0c4567, vmin);
803         vo1c4567 = vmaxq_f32(vo1c4567, vmin);
804 
805         vo0c0123 = vminq_f32(vo0c0123, vmax);
806         vo1c0123 = vminq_f32(vo1c0123, vmax);
807         vo0c4567 = vminq_f32(vo0c4567, vmax);
808         vo1c4567 = vminq_f32(vo1c4567, vmax);
809 
810         if XNN_LIKELY(c >= 8) {
811           vst1q_f32(o1, vo1c0123);
812           vst1q_f32(o1 + 4, vo1c4567);
813           o1 = (float*) ((uintptr_t) o1 + output_width_stride);
814           vst1q_f32(o0, vo0c0123);
815           vst1q_f32(o0 + 4, vo0c4567);
816           o0 = (float*) ((uintptr_t) o0 + output_width_stride);
817         } else {
818           float* o0_tmp = o0;
819           float* o1_tmp = o1;
820           if (c & 4) {
821             vst1q_f32(o1_tmp, vo1c0123); o1_tmp += 4;
822             vo1c0123 = vo1c4567;
823             vst1q_f32(o0_tmp, vo0c0123); o0_tmp += 4;
824             vo0c0123 = vo0c4567;
825           }
826           float32x2_t vo0c01 = vget_low_f32(vo0c0123);
827           float32x2_t vo1c01 = vget_low_f32(vo1c0123);
828           if (c & 2) {
829             vst1_f32(o1_tmp, vo1c01); o1_tmp += 2;
830             vo1c01 = vget_high_f32(vo1c0123);
831             vst1_f32(o0_tmp, vo0c01); o0_tmp += 2;
832             vo0c01 = vget_high_f32(vo0c0123);
833           }
834           if (c & 1) {
835             vst1_lane_f32(o1_tmp, vo1c01, 0);
836             vst1_lane_f32(o0_tmp, vo0c01, 0);
837           }
838 
839           o0 = (float*) ((uintptr_t) o0 + output_width_stride);
840           o1 = (float*) ((uintptr_t) o1 + output_width_stride);
841         }
842       }
843       if XNN_LIKELY(iw & 1) {
844         float32x4_t vo0c0123 = vld1q_f32(w);
845         float32x4_t vo0c4567 = vld1q_f32(w + 4);
846         float32x4_t vo1c0123 = vo0c0123;
847         float32x4_t vo1c4567 = vo0c4567;
848 
849         const float32x4_t vk00c0x0123 = vld1q_f32(w + 8);
850         const float32x4_t vk00c0x4567 = vld1q_f32(w + 12);
851 
852         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk00c0x0123, vget_low_f32(vi0x0), 0);
853         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk00c0x0123, vget_low_f32(vi2x0), 0);
854         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk00c0x4567, vget_low_f32(vi0x0), 0);
855         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk00c0x4567, vget_low_f32(vi2x0), 0);
856 
857         const float32x4_t vk10c0x0123 = vld1q_f32(w + 16);
858         const float32x4_t vk10c0x4567 = vld1q_f32(w + 20);
859 
860         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk10c0x0123, vget_low_f32(vi1x0), 0);
861         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk10c0x0123, vget_low_f32(vi3x0), 0);
862         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk10c0x4567, vget_low_f32(vi1x0), 0);
863         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk10c0x4567, vget_low_f32(vi3x0), 0);
864 
865         const float32x4_t vk20c0x0123 = vld1q_f32(w + 24);
866         const float32x4_t vk20c0x4567 = vld1q_f32(w + 28);
867 
868         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk20c0x0123, vget_low_f32(vi2x0), 0);
869         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk20c0x0123, vget_low_f32(vi4x0), 0);
870         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk20c0x4567, vget_low_f32(vi2x0), 0);
871         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk20c0x4567, vget_low_f32(vi4x0), 0);
872 
873         const float32x4_t vk00c1x0123 = vld1q_f32(w + 32);
874         const float32x4_t vk00c1x4567 = vld1q_f32(w + 36);
875 
876         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk00c1x0123, vget_low_f32(vi0x0), 1);
877         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk00c1x0123, vget_low_f32(vi2x0), 1);
878         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk00c1x4567, vget_low_f32(vi0x0), 1);
879         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk00c1x4567, vget_low_f32(vi2x0), 1);
880 
881         const float32x4_t vk10c1x0123 = vld1q_f32(w + 40);
882         const float32x4_t vk10c1x4567 = vld1q_f32(w + 44);
883 
884         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk10c1x0123, vget_low_f32(vi1x0), 1);
885         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk10c1x0123, vget_low_f32(vi3x0), 1);
886         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk10c1x4567, vget_low_f32(vi1x0), 1);
887         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk10c1x4567, vget_low_f32(vi3x0), 1);
888 
889         const float32x4_t vk20c1x0123 = vld1q_f32(w + 48);
890         const float32x4_t vk20c1x4567 = vld1q_f32(w + 52);
891 
892         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk20c1x0123, vget_low_f32(vi2x0), 1);
893         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk20c1x0123, vget_low_f32(vi4x0), 1);
894         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk20c1x4567, vget_low_f32(vi2x0), 1);
895         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk20c1x4567, vget_low_f32(vi4x0), 1);
896 
897         const float32x4_t vk00c2x0123 = vld1q_f32(w + 56);
898         const float32x4_t vk00c2x4567 = vld1q_f32(w + 60);
899 
900         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk00c2x0123, vget_high_f32(vi0x0), 0);
901         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk00c2x0123, vget_high_f32(vi2x0), 0);
902         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk00c2x4567, vget_high_f32(vi0x0), 0);
903         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk00c2x4567, vget_high_f32(vi2x0), 0);
904 
905         const float32x4_t vk10c2x0123 = vld1q_f32(w + 64);
906         const float32x4_t vk10c2x4567 = vld1q_f32(w + 68);
907 
908         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk10c2x0123, vget_high_f32(vi1x0), 0);
909         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk10c2x0123, vget_high_f32(vi3x0), 0);
910         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk10c2x4567, vget_high_f32(vi1x0), 0);
911         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk10c2x4567, vget_high_f32(vi3x0), 0);
912 
913         const float32x4_t vk20c2x0123 = vld1q_f32(w + 72);
914         const float32x4_t vk20c2x4567 = vld1q_f32(w + 76);
915 
916         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk20c2x0123, vget_high_f32(vi2x0), 0);
917         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk20c2x0123, vget_high_f32(vi4x0), 0);
918         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk20c2x4567, vget_high_f32(vi2x0), 0);
919         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk20c2x4567, vget_high_f32(vi4x0), 0);
920 
921         const float32x4_t vk01c0x0123 = vld1q_f32(w + 80);
922         const float32x4_t vk01c0x4567 = vld1q_f32(w + 84);
923 
924         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk01c0x0123, vget_high_f32(vi0x0), 1);
925         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk01c0x0123, vget_high_f32(vi2x0), 1);
926         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk01c0x4567, vget_high_f32(vi0x0), 1);
927         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk01c0x4567, vget_high_f32(vi2x0), 1);
928 
929         const float32x4_t vk11c0x0123 = vld1q_f32(w + 88);
930         const float32x4_t vk11c0x4567 = vld1q_f32(w + 92);
931 
932         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk11c0x0123, vget_high_f32(vi1x0), 1);
933         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk11c0x0123, vget_high_f32(vi3x0), 1);
934         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk11c0x4567, vget_high_f32(vi1x0), 1);
935         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk11c0x4567, vget_high_f32(vi3x0), 1);
936 
937         const float32x4_t vk21c0x0123 = vld1q_f32(w + 96);
938         const float32x4_t vk21c0x4567 = vld1q_f32(w + 100);
939 
940         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk21c0x0123, vget_high_f32(vi2x0), 1);
941         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk21c0x0123, vget_high_f32(vi4x0), 1);
942         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk21c0x4567, vget_high_f32(vi2x0), 1);
943         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk21c0x4567, vget_high_f32(vi4x0), 1);
944 
945         const float32x4_t vk01c1x0123 = vld1q_f32(w + 104);
946         const float32x4_t vk01c1x4567 = vld1q_f32(w + 108);
947 
948         // viMx1 = ( iM1c2, iM1c1 )
949         const float32x2_t vi0x1 = vld1_f32(i0); i0 += 2;
950         const float32x2_t vi1x1 = vld1_f32(i1); i1 += 2;
951         const float32x2_t vi2x1 = vld1_f32(i2); i2 += 2;
952         const float32x2_t vi3x1 = vld1_f32(i3); i3 += 2;
953         const float32x2_t vi4x1 = vld1_f32(i4); i4 += 2;
954 
955         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk01c1x0123, vi0x1, 0);
956         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk01c1x0123, vi2x1, 0);
957         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk01c1x4567, vi0x1, 0);
958         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk01c1x4567, vi2x1, 0);
959 
960         const float32x4_t vk11c1x0123 = vld1q_f32(w + 112);
961         const float32x4_t vk11c1x4567 = vld1q_f32(w + 116);
962 
963         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk11c1x0123, vi1x1, 0);
964         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk11c1x0123, vi3x1, 0);
965         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk11c1x4567, vi1x1, 0);
966         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk11c1x4567, vi3x1, 0);
967 
968         const float32x4_t vk21c1x0123 = vld1q_f32(w + 120);
969         const float32x4_t vk21c1x4567 = vld1q_f32(w + 124);
970 
971         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk21c1x0123, vi2x1, 0);
972         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk21c1x0123, vi4x1, 0);
973         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk21c1x4567, vi2x1, 0);
974         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk21c1x4567, vi4x1, 0);
975 
976         const float32x4_t vk01c2x0123 = vld1q_f32(w + 128);
977         const float32x4_t vk01c2x4567 = vld1q_f32(w + 132);
978 
979         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk01c2x0123, vi0x1, 1);
980         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk01c2x0123, vi2x1, 1);
981         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk01c2x4567, vi0x1, 1);
982         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk01c2x4567, vi2x1, 1);
983 
984         const float32x4_t vk11c2x0123 = vld1q_f32(w + 136);
985         const float32x4_t vk11c2x4567 = vld1q_f32(w + 140);
986 
987         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk11c2x0123, vi1x1, 1);
988         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk11c2x0123, vi3x1, 1);
989         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk11c2x4567, vi1x1, 1);
990         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk11c2x4567, vi3x1, 1);
991 
992         const float32x4_t vk21c2x0123 = vld1q_f32(w + 144);
993         const float32x4_t vk21c2x4567 = vld1q_f32(w + 148);
994 
995         vo0c0123 = vfmaq_lane_f32(vo0c0123, vk21c2x0123, vi2x1, 1);
996         vo1c0123 = vfmaq_lane_f32(vo1c0123, vk21c2x0123, vi4x1, 1);
997         vo0c4567 = vfmaq_lane_f32(vo0c4567, vk21c2x4567, vi2x1, 1);
998         vo1c4567 = vfmaq_lane_f32(vo1c4567, vk21c2x4567, vi4x1, 1);
999 
1000 
1001         vo0c0123 = vmaxq_f32(vo0c0123, vmin);
1002         vo1c0123 = vmaxq_f32(vo1c0123, vmin);
1003         vo0c4567 = vmaxq_f32(vo0c4567, vmin);
1004         vo1c4567 = vmaxq_f32(vo1c4567, vmin);
1005 
1006         vo0c0123 = vminq_f32(vo0c0123, vmax);
1007         vo1c0123 = vminq_f32(vo1c0123, vmax);
1008         vo0c4567 = vminq_f32(vo0c4567, vmax);
1009         vo1c4567 = vminq_f32(vo1c4567, vmax);
1010 
1011         if XNN_LIKELY(c >= 8) {
1012           vst1q_f32(o1, vo1c0123);
1013           vst1q_f32(o1 + 4, vo1c4567);
1014           o1 = (float*) ((uintptr_t) o1 + output_width_stride);
1015           vst1q_f32(o0, vo0c0123);
1016           vst1q_f32(o0 + 4, vo0c4567);
1017           o0 = (float*) ((uintptr_t) o0 + output_width_stride);
1018         } else {
1019           float* o0_tmp = o0;
1020           float* o1_tmp = o1;
1021           if (c & 4) {
1022             vst1q_f32(o1_tmp, vo1c0123); o1_tmp += 4;
1023             vo1c0123 = vo1c4567;
1024             vst1q_f32(o0_tmp, vo0c0123); o0_tmp += 4;
1025             vo0c0123 = vo0c4567;
1026           }
1027           float32x2_t vo0c01 = vget_low_f32(vo0c0123);
1028           float32x2_t vo1c01 = vget_low_f32(vo1c0123);
1029           if (c & 2) {
1030             vst1_f32(o1_tmp, vo1c01); o1_tmp += 2;
1031             vo1c01 = vget_high_f32(vo1c0123);
1032             vst1_f32(o0_tmp, vo0c01); o0_tmp += 2;
1033             vo0c01 = vget_high_f32(vo0c0123);
1034           }
1035           if (c & 1) {
1036             vst1_lane_f32(o1_tmp, vo1c01, 0);
1037             vst1_lane_f32(o0_tmp, vo0c01, 0);
1038           }
1039           o0 = (float*) ((uintptr_t) o0 + output_width_stride);
1040           o1 = (float*) ((uintptr_t) o1 + output_width_stride);
1041         }
1042       }
1043       // Move output pointers back to the position of the first pixel in a row,
1044       // and forward to the next block of output channels
1045       o0 = (float*) ((uintptr_t) o0 - output_channel_decrement);
1046       o1 = (float*) ((uintptr_t) o1 - output_channel_decrement);
1047       // Revert input pointers to the position of the first pixel in a row
1048       i0 = (const float*) ((uintptr_t) i0 - input_width_decrement);
1049       i1 = (const float*) ((uintptr_t) i1 - input_width_decrement);
1050       i2 = (const float*) ((uintptr_t) i2 - input_width_decrement);
1051       i3 = (const float*) ((uintptr_t) i3 - input_width_decrement);
1052       i4 = (const float*) ((uintptr_t) i4 - input_width_decrement);
1053       // Move to the block of weights for the next 8 output channels
1054       w += 224;
1055       c = doz(c, 8);
1056     } while (c != 0);
1057     // Move output pointers back to the position of the first channel, and forward to the next block of rows
1058     o0 = (float*) ((uintptr_t) o0 + output_height_increment);
1059     o1 = (float*) ((uintptr_t) o1 + output_height_increment);
1060     // Move input pointers forward to the next four rows
1061     i0 = i4;
1062     i1 = (const float*) ((uintptr_t) i0 + input_height_stride);
1063     i2 = (const float*) ((uintptr_t) i1 + input_height_stride);
1064     i3 = (const float*) ((uintptr_t) i2 + input_height_stride);
1065     i4 = (const float*) ((uintptr_t) i3 + input_height_stride);
1066   }
1067 }
1068