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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-dwconv2d-chw/5x5p2-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/dwconv.h>
15 #include <xnnpack/math.h>
16 
17 
xnn_f32_dwconv2d_chw_ukernel_5x5p2__neonfma_2x4_acc2(size_t input_height,size_t input_width,const float * input,const float * weights,const float * zero,float * output,uint32_t padding_top,const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_dwconv2d_chw_ukernel_5x5p2__neonfma_2x4_acc2(
19     size_t input_height,
20     size_t input_width,
21     const float* input,
22     const float* weights,
23     const float* zero,
24     float* output,
25     uint32_t padding_top,
26     const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
27 {
28   assert(input_height != 0);
29   assert(input_width != 0);
30   assert(input_width % sizeof(float) == 0);
31   assert(padding_top == 2);
32 
33   const uint32x4_t vmask = vld1q_u32(params->neon.mask);
34   const float32x4_t vmax = vld1q_dup_f32(&params->neon.max);
35   const float32x4_t vmin = vld1q_dup_f32(&params->neon.min);
36 
37   const float32x4_t vw0123 = vld1q_f32(weights);
38   const float32x4_t vw4567 = vld1q_f32(weights + 4);
39   const float32x4_t vw89AB = vld1q_f32(weights + 8);
40   const float32x4_t vwCDEF = vld1q_f32(weights + 12);
41   const float32x4_t vwGHIJ = vld1q_f32(weights + 16);
42   const float32x4_t vwKLMN = vld1q_f32(weights + 20);
43   const float32x2_t vwOP = vld1_f32(weights + 24);
44 
45   const size_t input_decrement = round_up_po2(input_width, 4 * sizeof(float));
46 
47   const float* i0 = zero;
48   const float* i1 = zero;
49   const float* i2 = input;
50   const float* i3 = (const float*) ((uintptr_t) i2 + input_width);
51   const float* i4 = (const float*) ((uintptr_t) i3 + input_width);
52   const float* i5 = (const float*) ((uintptr_t) i4 + input_width);
53 
54   float* o0 = output;
55   float* o1 = (float*) ((uintptr_t) o0 + input_width);
56 
57   size_t output_height = input_height;
58   do {
59     if XNN_UNPREDICTABLE(output_height < 2) {
60       i3 = zero;
61       o1 = o0;
62     }
63     if XNN_UNPREDICTABLE(output_height < 3) {
64       i4 = zero;
65     }
66     if XNN_UNPREDICTABLE(output_height < 4) {
67       i5 = zero;
68     }
69 
70     float32x4_t vi0x0123 = vmovq_n_f32(0.0f);
71     float32x4_t vi1x0123 = vmovq_n_f32(0.0f);
72     float32x4_t vi2x0123 = vmovq_n_f32(0.0f);
73     float32x4_t vi3x0123 = vmovq_n_f32(0.0f);
74     float32x4_t vi4x0123 = vmovq_n_f32(0.0f);
75     float32x4_t vi5x0123 = vmovq_n_f32(0.0f);
76 
77     float32x4_t vi0x4567 = vld1q_f32(i0); i0 += 4;
78     float32x4_t vi1x4567 = vld1q_f32(i1); i1 += 4;
79     float32x4_t vi2x4567 = vld1q_f32(i2); i2 += 4;
80     float32x4_t vi3x4567 = vld1q_f32(i3); i3 += 4;
81     float32x4_t vi4x4567 = vld1q_f32(i4); i4 += 4;
82     float32x4_t vi5x4567 = vld1q_f32(i5); i5 += 4;
83 
84     size_t w = input_width;
85     for (; w > 8 * sizeof(float); w -= 4 * sizeof(float)) {
86       float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
87       float32x4_t vo1p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
88 
89       const float32x4_t vi0x89AB = vld1q_f32(i0); i0 += 4;
90       const float32x4_t vi1x89AB = vld1q_f32(i1); i1 += 4;
91       const float32x4_t vi2x89AB = vld1q_f32(i2); i2 += 4;
92       const float32x4_t vi3x89AB = vld1q_f32(i3); i3 += 4;
93       const float32x4_t vi4x89AB = vld1q_f32(i4); i4 += 4;
94       const float32x4_t vi5x89AB = vld1q_f32(i5); i5 += 4;
95 
96       float32x4_t vo0p1 = vmulq_lane_f32(vi0x4567, vget_high_f32(vw0123), 1);
97       float32x4_t vo1p1 = vmulq_lane_f32(vi1x4567, vget_high_f32(vw0123), 1);
98 
99       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw89AB), 0);
100       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x4567, vget_low_f32(vw89AB), 0);
101 
102       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vget_low_f32(vwCDEF), 1);
103       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x4567, vget_low_f32(vwCDEF), 1);
104 
105       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x4567, vget_high_f32(vwGHIJ), 0);
106       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x4567, vget_high_f32(vwGHIJ), 0);
107 
108       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x4567, vget_high_f32(vwKLMN), 1);
109       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x4567, vget_high_f32(vwKLMN), 1);
110 
111       const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3);
112       const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3);
113       const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3);
114       const float32x4_t vi3x3456 = vextq_f32(vi3x0123, vi3x4567, 3);
115       const float32x4_t vi4x3456 = vextq_f32(vi4x0123, vi4x4567, 3);
116       const float32x4_t vi5x3456 = vextq_f32(vi5x0123, vi5x4567, 3);
117 
118       vo0p1 = vfmaq_lane_f32(vo0p1, vi0x3456, vget_high_f32(vw0123), 0);
119       vo1p1 = vfmaq_lane_f32(vo1p1, vi1x3456, vget_high_f32(vw0123), 0);
120 
121       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_high_f32(vw4567), 1);
122       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x3456, vget_high_f32(vw4567), 1);
123 
124       vo0p1 = vfmaq_lane_f32(vo0p1, vi2x3456, vget_low_f32(vwCDEF), 0);
125       vo1p1 = vfmaq_lane_f32(vo1p1, vi3x3456, vget_low_f32(vwCDEF), 0);
126 
127       vo0p0 = vfmaq_lane_f32(vo0p0, vi3x3456, vget_low_f32(vwGHIJ), 1);
128       vo1p0 = vfmaq_lane_f32(vo1p0, vi4x3456, vget_low_f32(vwGHIJ), 1);
129 
130       vo0p1 = vfmaq_lane_f32(vo0p1, vi4x3456, vget_high_f32(vwKLMN), 0);
131       vo1p1 = vfmaq_lane_f32(vo1p1, vi5x3456, vget_high_f32(vwKLMN), 0);
132 
133       const float32x4_t vi0x2345 = vextq_f32(vi0x0123, vi0x4567, 2);
134       vi0x0123 = vi0x4567;
135       const float32x4_t vi1x2345 = vextq_f32(vi1x0123, vi1x4567, 2);
136       vi1x0123 = vi1x4567;
137       const float32x4_t vi2x2345 = vextq_f32(vi2x0123, vi2x4567, 2);
138       vi2x0123 = vi2x4567;
139       const float32x4_t vi3x2345 = vextq_f32(vi3x0123, vi3x4567, 2);
140       vi3x0123 = vi3x4567;
141       const float32x4_t vi4x2345 = vextq_f32(vi4x0123, vi4x4567, 2);
142       vi4x0123 = vi4x4567;
143       const float32x4_t vi5x2345 = vextq_f32(vi5x0123, vi5x4567, 2);
144       vi5x0123 = vi5x4567;
145 
146       vo0p0 = vfmaq_lane_f32(vo0p0, vi0x2345, vget_low_f32(vw0123), 1);
147       vo1p0 = vfmaq_lane_f32(vo1p0, vi1x2345, vget_low_f32(vw0123), 1);
148 
149       vo0p1 = vfmaq_lane_f32(vo0p1, vi1x2345, vget_high_f32(vw4567), 0);
150       vo1p1 = vfmaq_lane_f32(vo1p1, vi2x2345, vget_high_f32(vw4567), 0);
151 
152       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x2345, vget_high_f32(vw89AB), 1);
153       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x2345, vget_high_f32(vw89AB), 1);
154 
155       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x2345, vget_low_f32(vwGHIJ), 0);
156       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x2345, vget_low_f32(vwGHIJ), 0);
157 
158       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x2345, vget_low_f32(vwKLMN), 1);
159       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x2345, vget_low_f32(vwKLMN), 1);
160 
161       const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vi0x89AB, 1);
162       const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vi1x89AB, 1);
163       const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vi2x89AB, 1);
164       const float32x4_t vi3x5678 = vextq_f32(vi3x4567, vi3x89AB, 1);
165       const float32x4_t vi4x5678 = vextq_f32(vi4x4567, vi4x89AB, 1);
166       const float32x4_t vi5x5678 = vextq_f32(vi5x4567, vi5x89AB, 1);
167 
168       vo0p1 = vfmaq_lane_f32(vo0p1, vi0x5678, vget_low_f32(vw4567), 0);
169       vo1p1 = vfmaq_lane_f32(vo1p1, vi1x5678, vget_low_f32(vw4567), 0);
170 
171       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_low_f32(vw89AB), 1);
172       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x5678, vget_low_f32(vw89AB), 1);
173 
174       vo0p1 = vfmaq_lane_f32(vo0p1, vi2x5678, vget_high_f32(vwCDEF), 0);
175       vo1p1 = vfmaq_lane_f32(vo1p1, vi3x5678, vget_high_f32(vwCDEF), 0);
176 
177       vo0p0 = vfmaq_lane_f32(vo0p0, vi3x5678, vget_high_f32(vwGHIJ), 1);
178       vo1p0 = vfmaq_lane_f32(vo1p0, vi4x5678, vget_high_f32(vwGHIJ), 1);
179 
180       vo0p1 = vfmaq_lane_f32(vo0p1, vi4x5678, vwOP, 0);
181       vo1p1 = vfmaq_lane_f32(vo1p1, vi5x5678, vwOP, 0);
182 
183       const float32x4_t vi0x6789 = vextq_f32(vi0x4567, vi0x89AB, 2);
184       vi0x4567 = vi0x89AB;
185       const float32x4_t vi1x6789 = vextq_f32(vi1x4567, vi1x89AB, 2);
186       vi1x4567 = vi1x89AB;
187       const float32x4_t vi2x6789 = vextq_f32(vi2x4567, vi2x89AB, 2);
188       vi2x4567 = vi2x89AB;
189       const float32x4_t vi3x6789 = vextq_f32(vi3x4567, vi3x89AB, 2);
190       vi3x4567 = vi3x89AB;
191       const float32x4_t vi4x6789 = vextq_f32(vi4x4567, vi4x89AB, 2);
192       vi4x4567 = vi4x89AB;
193       const float32x4_t vi5x6789 = vextq_f32(vi5x4567, vi5x89AB, 2);
194       vi5x4567 = vi5x89AB;
195 
196       vo0p0 = vfmaq_lane_f32(vo0p0, vi0x6789, vget_low_f32(vw4567), 1);
197       vo1p0 = vfmaq_lane_f32(vo1p0, vi1x6789, vget_low_f32(vw4567), 1);
198 
199       vo0p1 = vfmaq_lane_f32(vo0p1, vi1x6789, vget_high_f32(vw89AB), 0);
200       vo1p1 = vfmaq_lane_f32(vo1p1, vi2x6789, vget_high_f32(vw89AB), 0);
201 
202       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x6789, vget_high_f32(vwCDEF), 1);
203       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x6789, vget_high_f32(vwCDEF), 1);
204 
205       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x6789, vget_low_f32(vwKLMN), 0);
206       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x6789, vget_low_f32(vwKLMN), 0);
207 
208       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x6789, vwOP, 1);
209       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x6789, vwOP, 1);
210 
211       vo0p0 = vaddq_f32(vo0p0, vo0p1);
212       vo1p0 = vaddq_f32(vo1p0, vo1p1);
213 
214       float32x4_t vo0 = vmaxq_f32(vo0p0, vmin);
215       float32x4_t vo1 = vmaxq_f32(vo1p0, vmin);
216 
217       vo0 = vminq_f32(vo0, vmax);
218       vo1 = vminq_f32(vo1, vmax);
219 
220       vst1q_f32(o1, vo1); o1 += 4;
221       vst1q_f32(o0, vo0); o0 += 4;
222     }
223     // Always process the last block of 5..8 pixels.
224     if XNN_LIKELY(w > 4 * sizeof(float)) {
225       float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
226       float32x4_t vo1p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
227 
228       float32x4_t vi0x89AB = vld1q_f32(i0); i0 += 4;
229       float32x4_t vi1x89AB = vld1q_f32(i1); i1 += 4;
230       float32x4_t vi2x89AB = vld1q_f32(i2); i2 += 4;
231       float32x4_t vi3x89AB = vld1q_f32(i3); i3 += 4;
232       float32x4_t vi4x89AB = vld1q_f32(i4); i4 += 4;
233       float32x4_t vi5x89AB = vld1q_f32(i5); i5 += 4;
234 
235       vi0x89AB = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi0x89AB)));
236       vi1x89AB = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi1x89AB)));
237       vi2x89AB = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi2x89AB)));
238       vi3x89AB = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi3x89AB)));
239       vi4x89AB = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi4x89AB)));
240       vi5x89AB = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi5x89AB)));
241 
242       float32x4_t vo0p1 = vmulq_lane_f32(vi0x4567, vget_high_f32(vw0123), 1);
243       float32x4_t vo1p1 = vmulq_lane_f32(vi1x4567, vget_high_f32(vw0123), 1);
244 
245       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw89AB), 0);
246       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x4567, vget_low_f32(vw89AB), 0);
247 
248       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vget_low_f32(vwCDEF), 1);
249       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x4567, vget_low_f32(vwCDEF), 1);
250 
251       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x4567, vget_high_f32(vwGHIJ), 0);
252       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x4567, vget_high_f32(vwGHIJ), 0);
253 
254       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x4567, vget_high_f32(vwKLMN), 1);
255       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x4567, vget_high_f32(vwKLMN), 1);
256 
257       const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3);
258       const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3);
259       const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3);
260       const float32x4_t vi3x3456 = vextq_f32(vi3x0123, vi3x4567, 3);
261       const float32x4_t vi4x3456 = vextq_f32(vi4x0123, vi4x4567, 3);
262       const float32x4_t vi5x3456 = vextq_f32(vi5x0123, vi5x4567, 3);
263 
264       vo0p1 = vfmaq_lane_f32(vo0p1, vi0x3456, vget_high_f32(vw0123), 0);
265       vo1p1 = vfmaq_lane_f32(vo1p1, vi1x3456, vget_high_f32(vw0123), 0);
266 
267       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_high_f32(vw4567), 1);
268       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x3456, vget_high_f32(vw4567), 1);
269 
270       vo0p1 = vfmaq_lane_f32(vo0p1, vi2x3456, vget_low_f32(vwCDEF), 0);
271       vo1p1 = vfmaq_lane_f32(vo1p1, vi3x3456, vget_low_f32(vwCDEF), 0);
272 
273       vo0p0 = vfmaq_lane_f32(vo0p0, vi3x3456, vget_low_f32(vwGHIJ), 1);
274       vo1p0 = vfmaq_lane_f32(vo1p0, vi4x3456, vget_low_f32(vwGHIJ), 1);
275 
276       vo0p1 = vfmaq_lane_f32(vo0p1, vi4x3456, vget_high_f32(vwKLMN), 0);
277       vo1p1 = vfmaq_lane_f32(vo1p1, vi5x3456, vget_high_f32(vwKLMN), 0);
278 
279       const float32x4_t vi0x2345 = vextq_f32(vi0x0123, vi0x4567, 2);
280       vi0x0123 = vi0x4567;
281       const float32x4_t vi1x2345 = vextq_f32(vi1x0123, vi1x4567, 2);
282       vi1x0123 = vi1x4567;
283       const float32x4_t vi2x2345 = vextq_f32(vi2x0123, vi2x4567, 2);
284       vi2x0123 = vi2x4567;
285       const float32x4_t vi3x2345 = vextq_f32(vi3x0123, vi3x4567, 2);
286       vi3x0123 = vi3x4567;
287       const float32x4_t vi4x2345 = vextq_f32(vi4x0123, vi4x4567, 2);
288       vi4x0123 = vi4x4567;
289       const float32x4_t vi5x2345 = vextq_f32(vi5x0123, vi5x4567, 2);
290       vi5x0123 = vi5x4567;
291 
292       vo0p0 = vfmaq_lane_f32(vo0p0, vi0x2345, vget_low_f32(vw0123), 1);
293       vo1p0 = vfmaq_lane_f32(vo1p0, vi1x2345, vget_low_f32(vw0123), 1);
294 
295       vo0p1 = vfmaq_lane_f32(vo0p1, vi1x2345, vget_high_f32(vw4567), 0);
296       vo1p1 = vfmaq_lane_f32(vo1p1, vi2x2345, vget_high_f32(vw4567), 0);
297 
298       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x2345, vget_high_f32(vw89AB), 1);
299       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x2345, vget_high_f32(vw89AB), 1);
300 
301       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x2345, vget_low_f32(vwGHIJ), 0);
302       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x2345, vget_low_f32(vwGHIJ), 0);
303 
304       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x2345, vget_low_f32(vwKLMN), 1);
305       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x2345, vget_low_f32(vwKLMN), 1);
306 
307       const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vi0x89AB, 1);
308       const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vi1x89AB, 1);
309       const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vi2x89AB, 1);
310       const float32x4_t vi3x5678 = vextq_f32(vi3x4567, vi3x89AB, 1);
311       const float32x4_t vi4x5678 = vextq_f32(vi4x4567, vi4x89AB, 1);
312       const float32x4_t vi5x5678 = vextq_f32(vi5x4567, vi5x89AB, 1);
313 
314       vo0p1 = vfmaq_lane_f32(vo0p1, vi0x5678, vget_low_f32(vw4567), 0);
315       vo1p1 = vfmaq_lane_f32(vo1p1, vi1x5678, vget_low_f32(vw4567), 0);
316 
317       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_low_f32(vw89AB), 1);
318       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x5678, vget_low_f32(vw89AB), 1);
319 
320       vo0p1 = vfmaq_lane_f32(vo0p1, vi2x5678, vget_high_f32(vwCDEF), 0);
321       vo1p1 = vfmaq_lane_f32(vo1p1, vi3x5678, vget_high_f32(vwCDEF), 0);
322 
323       vo0p0 = vfmaq_lane_f32(vo0p0, vi3x5678, vget_high_f32(vwGHIJ), 1);
324       vo1p0 = vfmaq_lane_f32(vo1p0, vi4x5678, vget_high_f32(vwGHIJ), 1);
325 
326       vo0p1 = vfmaq_lane_f32(vo0p1, vi4x5678, vwOP, 0);
327       vo1p1 = vfmaq_lane_f32(vo1p1, vi5x5678, vwOP, 0);
328 
329       const float32x4_t vi0x6789 = vextq_f32(vi0x4567, vi0x89AB, 2);
330       vi0x4567 = vi0x89AB;
331       const float32x4_t vi1x6789 = vextq_f32(vi1x4567, vi1x89AB, 2);
332       vi1x4567 = vi1x89AB;
333       const float32x4_t vi2x6789 = vextq_f32(vi2x4567, vi2x89AB, 2);
334       vi2x4567 = vi2x89AB;
335       const float32x4_t vi3x6789 = vextq_f32(vi3x4567, vi3x89AB, 2);
336       vi3x4567 = vi3x89AB;
337       const float32x4_t vi4x6789 = vextq_f32(vi4x4567, vi4x89AB, 2);
338       vi4x4567 = vi4x89AB;
339       const float32x4_t vi5x6789 = vextq_f32(vi5x4567, vi5x89AB, 2);
340       vi5x4567 = vi5x89AB;
341 
342       vo0p0 = vfmaq_lane_f32(vo0p0, vi0x6789, vget_low_f32(vw4567), 1);
343       vo1p0 = vfmaq_lane_f32(vo1p0, vi1x6789, vget_low_f32(vw4567), 1);
344 
345       vo0p1 = vfmaq_lane_f32(vo0p1, vi1x6789, vget_high_f32(vw89AB), 0);
346       vo1p1 = vfmaq_lane_f32(vo1p1, vi2x6789, vget_high_f32(vw89AB), 0);
347 
348       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x6789, vget_high_f32(vwCDEF), 1);
349       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x6789, vget_high_f32(vwCDEF), 1);
350 
351       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x6789, vget_low_f32(vwKLMN), 0);
352       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x6789, vget_low_f32(vwKLMN), 0);
353 
354       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x6789, vwOP, 1);
355       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x6789, vwOP, 1);
356 
357       vo0p0 = vaddq_f32(vo0p0, vo0p1);
358       vo1p0 = vaddq_f32(vo1p0, vo1p1);
359 
360       float32x4_t vo0 = vmaxq_f32(vo0p0, vmin);
361       float32x4_t vo1 = vmaxq_f32(vo1p0, vmin);
362 
363       vo0 = vminq_f32(vo0, vmax);
364       vo1 = vminq_f32(vo1, vmax);
365 
366       vst1q_f32(o1, vo1); o1 += 4;
367       vst1q_f32(o0, vo0); o0 += 4;
368 
369       w -= 4 * sizeof(float);
370     }
371     assert(w >= 1 * sizeof(float));
372     assert(w <= 4 * sizeof(float));
373     {
374       float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
375       float32x4_t vo1p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
376 
377       vi0x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi0x4567)));
378       vi1x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi1x4567)));
379       vi2x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi2x4567)));
380       vi3x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi3x4567)));
381       vi4x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi4x4567)));
382       vi5x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi5x4567)));
383 
384       float32x4_t vo0p1 = vmulq_lane_f32(vi0x4567, vget_high_f32(vw0123), 1);
385       float32x4_t vo1p1 = vmulq_lane_f32(vi1x4567, vget_high_f32(vw0123), 1);
386 
387       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw89AB), 0);
388       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x4567, vget_low_f32(vw89AB), 0);
389 
390       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vget_low_f32(vwCDEF), 1);
391       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x4567, vget_low_f32(vwCDEF), 1);
392 
393       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x4567, vget_high_f32(vwGHIJ), 0);
394       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x4567, vget_high_f32(vwGHIJ), 0);
395 
396       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x4567, vget_high_f32(vwKLMN), 1);
397       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x4567, vget_high_f32(vwKLMN), 1);
398 
399       const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3);
400       const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3);
401       const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3);
402       const float32x4_t vi3x3456 = vextq_f32(vi3x0123, vi3x4567, 3);
403       const float32x4_t vi4x3456 = vextq_f32(vi4x0123, vi4x4567, 3);
404       const float32x4_t vi5x3456 = vextq_f32(vi5x0123, vi5x4567, 3);
405 
406       vo0p1 = vfmaq_lane_f32(vo0p1, vi0x3456, vget_high_f32(vw0123), 0);
407       vo1p1 = vfmaq_lane_f32(vo1p1, vi1x3456, vget_high_f32(vw0123), 0);
408 
409       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_high_f32(vw4567), 1);
410       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x3456, vget_high_f32(vw4567), 1);
411 
412       vo0p1 = vfmaq_lane_f32(vo0p1, vi2x3456, vget_low_f32(vwCDEF), 0);
413       vo1p1 = vfmaq_lane_f32(vo1p1, vi3x3456, vget_low_f32(vwCDEF), 0);
414 
415       vo0p0 = vfmaq_lane_f32(vo0p0, vi3x3456, vget_low_f32(vwGHIJ), 1);
416       vo1p0 = vfmaq_lane_f32(vo1p0, vi4x3456, vget_low_f32(vwGHIJ), 1);
417 
418       vo0p1 = vfmaq_lane_f32(vo0p1, vi4x3456, vget_high_f32(vwKLMN), 0);
419       vo1p1 = vfmaq_lane_f32(vo1p1, vi5x3456, vget_high_f32(vwKLMN), 0);
420 
421       const float32x4_t vi0x2345 = vextq_f32(vi0x0123, vi0x4567, 2);
422       const float32x4_t vi1x2345 = vextq_f32(vi1x0123, vi1x4567, 2);
423       const float32x4_t vi2x2345 = vextq_f32(vi2x0123, vi2x4567, 2);
424       const float32x4_t vi3x2345 = vextq_f32(vi3x0123, vi3x4567, 2);
425       const float32x4_t vi4x2345 = vextq_f32(vi4x0123, vi4x4567, 2);
426       const float32x4_t vi5x2345 = vextq_f32(vi5x0123, vi5x4567, 2);
427 
428       vo0p0 = vfmaq_lane_f32(vo0p0, vi0x2345, vget_low_f32(vw0123), 1);
429       vo1p0 = vfmaq_lane_f32(vo1p0, vi1x2345, vget_low_f32(vw0123), 1);
430 
431       vo0p1 = vfmaq_lane_f32(vo0p1, vi1x2345, vget_high_f32(vw4567), 0);
432       vo1p1 = vfmaq_lane_f32(vo1p1, vi2x2345, vget_high_f32(vw4567), 0);
433 
434       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x2345, vget_high_f32(vw89AB), 1);
435       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x2345, vget_high_f32(vw89AB), 1);
436 
437       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x2345, vget_low_f32(vwGHIJ), 0);
438       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x2345, vget_low_f32(vwGHIJ), 0);
439 
440       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x2345, vget_low_f32(vwKLMN), 1);
441       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x2345, vget_low_f32(vwKLMN), 1);
442 
443       const float32x4_t vzero = vmovq_n_f32(0.0f);
444       const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vzero, 1);
445       const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vzero, 1);
446       const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vzero, 1);
447       const float32x4_t vi3x5678 = vextq_f32(vi3x4567, vzero, 1);
448       const float32x4_t vi4x5678 = vextq_f32(vi4x4567, vzero, 1);
449       const float32x4_t vi5x5678 = vextq_f32(vi5x4567, vzero, 1);
450 
451       vo0p1 = vfmaq_lane_f32(vo0p1, vi0x5678, vget_low_f32(vw4567), 0);
452       vo1p1 = vfmaq_lane_f32(vo1p1, vi1x5678, vget_low_f32(vw4567), 0);
453 
454       vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_low_f32(vw89AB), 1);
455       vo1p0 = vfmaq_lane_f32(vo1p0, vi2x5678, vget_low_f32(vw89AB), 1);
456 
457       vo0p1 = vfmaq_lane_f32(vo0p1, vi2x5678, vget_high_f32(vwCDEF), 0);
458       vo1p1 = vfmaq_lane_f32(vo1p1, vi3x5678, vget_high_f32(vwCDEF), 0);
459 
460       vo0p0 = vfmaq_lane_f32(vo0p0, vi3x5678, vget_high_f32(vwGHIJ), 1);
461       vo1p0 = vfmaq_lane_f32(vo1p0, vi4x5678, vget_high_f32(vwGHIJ), 1);
462 
463       vo0p1 = vfmaq_lane_f32(vo0p1, vi4x5678, vwOP, 0);
464       vo1p1 = vfmaq_lane_f32(vo1p1, vi5x5678, vwOP, 0);
465 
466       const float32x4_t vi0x6789 = vextq_f32(vi0x5678, vzero, 1);
467       const float32x4_t vi1x6789 = vextq_f32(vi1x5678, vzero, 1);
468       const float32x4_t vi2x6789 = vextq_f32(vi2x5678, vzero, 1);
469       const float32x4_t vi3x6789 = vextq_f32(vi3x5678, vzero, 1);
470       const float32x4_t vi4x6789 = vextq_f32(vi4x5678, vzero, 1);
471       const float32x4_t vi5x6789 = vextq_f32(vi5x5678, vzero, 1);
472 
473       vo0p0 = vfmaq_lane_f32(vo0p0, vi0x6789, vget_low_f32(vw4567), 1);
474       vo1p0 = vfmaq_lane_f32(vo1p0, vi1x6789, vget_low_f32(vw4567), 1);
475 
476       vo0p1 = vfmaq_lane_f32(vo0p1, vi1x6789, vget_high_f32(vw89AB), 0);
477       vo1p1 = vfmaq_lane_f32(vo1p1, vi2x6789, vget_high_f32(vw89AB), 0);
478 
479       vo0p0 = vfmaq_lane_f32(vo0p0, vi2x6789, vget_high_f32(vwCDEF), 1);
480       vo1p0 = vfmaq_lane_f32(vo1p0, vi3x6789, vget_high_f32(vwCDEF), 1);
481 
482       vo0p1 = vfmaq_lane_f32(vo0p1, vi3x6789, vget_low_f32(vwKLMN), 0);
483       vo1p1 = vfmaq_lane_f32(vo1p1, vi4x6789, vget_low_f32(vwKLMN), 0);
484 
485       vo0p0 = vfmaq_lane_f32(vo0p0, vi4x6789, vwOP, 1);
486       vo1p0 = vfmaq_lane_f32(vo1p0, vi5x6789, vwOP, 1);
487 
488       vo0p0 = vaddq_f32(vo0p0, vo0p1);
489       vo1p0 = vaddq_f32(vo1p0, vo1p1);
490 
491       float32x4_t vo0 = vmaxq_f32(vo0p0, vmin);
492       float32x4_t vo1 = vmaxq_f32(vo1p0, vmin);
493 
494       vo0 = vminq_f32(vo0, vmax);
495       vo1 = vminq_f32(vo1, vmax);
496 
497       if XNN_LIKELY(w & (4 * sizeof(float))) {
498         vst1q_f32(o1, vo1); o1 += 4;
499         vst1q_f32(o0, vo0); o0 += 4;
500       } else {
501         float32x2_t vo0_lo = vget_low_f32(vo0);
502         float32x2_t vo1_lo = vget_low_f32(vo1);
503         if (w & (2 * sizeof(float))) {
504           vst1_f32(o1, vo1_lo); o1 += 2;
505           vst1_f32(o0, vo0_lo); o0 += 2;
506 
507           vo0_lo = vget_high_f32(vo0);
508           vo1_lo = vget_high_f32(vo1);
509         }
510         if (w & (1 * sizeof(float))) {
511           vst1_lane_f32(o1, vo1_lo, 0); o1 += 1;
512           vst1_lane_f32(o0, vo0_lo, 0); o0 += 1;
513         }
514       }
515     }
516 
517     i0 = (const float*) ((uintptr_t) i2 - input_decrement);
518     i1 = (const float*) ((uintptr_t) i3 - input_decrement);
519     i2 = (const float*) ((uintptr_t) i1 + input_width);
520     i3 = (const float*) ((uintptr_t) i2 + input_width);
521     i4 = (const float*) ((uintptr_t) i3 + input_width);
522     i5 = (const float*) ((uintptr_t) i4 + input_width);
523 
524     o0 = o1;
525     o1 = (float*) ((uintptr_t) o0 + input_width);
526 
527     output_height = doz(output_height, 2);
528   } while (output_height != 0);
529 }
530