xref: /aosp_15_r20/external/XNNPACK/src/qs8-igemm/gen/3x16c16-minmax-rndnu-neon-mlal.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-igemm/c16-neon-mlal.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2021 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/gemm.h>
15 #include <xnnpack/math.h>
16 
17 
xnn_qs8_igemm_minmax_rndnu_ukernel_3x16c16__neon_mlal(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_rndnu_ukernel_3x16c16__neon_mlal(
19     size_t mr,
20     size_t nc,
21     size_t kc,
22     size_t ks,
23     const int8_t** restrict a,
24     const void* restrict w,
25     int8_t* restrict c,
26     size_t cm_stride,
27     size_t cn_stride,
28     size_t a_offset,
29     const int8_t* zero,
30     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32   assert(mr != 0);
33   assert(mr <= 3);
34   assert(nc != 0);
35   assert(kc != 0);
36   assert(ks != 0);
37   assert(ks % (3 * sizeof(void*)) == 0);
38   assert(a_offset % sizeof(int8_t) == 0);
39   assert(a != NULL);
40   assert(w != NULL);
41   assert(c != NULL);
42 
43   kc = round_up_po2(kc, 16 * sizeof(int8_t));
44   int8_t* c0 = c;
45   int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46   if XNN_UNPREDICTABLE(mr < 2) {
47     c1 = c0;
48   }
49   int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50   if XNN_UNPREDICTABLE(mr <= 2) {
51     c2 = c1;
52   }
53 
54   do {
55     int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
56     int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57     int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58     int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
59     int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
60     int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
61     int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
62     int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
63     int32x4_t vacc0x8 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
64     int32x4_t vacc0x9 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
65     int32x4_t vacc0x10 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
66     int32x4_t vacc0x11 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
67     int32x4_t vacc0x12 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
68     int32x4_t vacc0x13 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
69     int32x4_t vacc0x14 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
70     int32x4_t vacc0x15 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
71     int32x4_t vacc1x0 = vacc0x0;
72     int32x4_t vacc1x1 = vacc0x1;
73     int32x4_t vacc1x2 = vacc0x2;
74     int32x4_t vacc1x3 = vacc0x3;
75     int32x4_t vacc1x4 = vacc0x4;
76     int32x4_t vacc1x5 = vacc0x5;
77     int32x4_t vacc1x6 = vacc0x6;
78     int32x4_t vacc1x7 = vacc0x7;
79     int32x4_t vacc1x8 = vacc0x8;
80     int32x4_t vacc1x9 = vacc0x9;
81     int32x4_t vacc1x10 = vacc0x10;
82     int32x4_t vacc1x11 = vacc0x11;
83     int32x4_t vacc1x12 = vacc0x12;
84     int32x4_t vacc1x13 = vacc0x13;
85     int32x4_t vacc1x14 = vacc0x14;
86     int32x4_t vacc1x15 = vacc0x15;
87     int32x4_t vacc2x0 = vacc0x0;
88     int32x4_t vacc2x1 = vacc0x1;
89     int32x4_t vacc2x2 = vacc0x2;
90     int32x4_t vacc2x3 = vacc0x3;
91     int32x4_t vacc2x4 = vacc0x4;
92     int32x4_t vacc2x5 = vacc0x5;
93     int32x4_t vacc2x6 = vacc0x6;
94     int32x4_t vacc2x7 = vacc0x7;
95     int32x4_t vacc2x8 = vacc0x8;
96     int32x4_t vacc2x9 = vacc0x9;
97     int32x4_t vacc2x10 = vacc0x10;
98     int32x4_t vacc2x11 = vacc0x11;
99     int32x4_t vacc2x12 = vacc0x12;
100     int32x4_t vacc2x13 = vacc0x13;
101     int32x4_t vacc2x14 = vacc0x14;
102     int32x4_t vacc2x15 = vacc0x15;
103 
104     size_t p = ks;
105     do {
106       const int8_t* restrict a0 = a[0];
107       if XNN_UNPREDICTABLE(a0 != zero) {
108         a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
109       }
110       const int8_t* restrict a1 = a[1];
111       if XNN_UNPREDICTABLE(a1 != zero) {
112         a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
113       }
114       const int8_t* restrict a2 = a[2];
115       if XNN_UNPREDICTABLE(a2 != zero) {
116         a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
117       }
118       a += 3;
119 
120       // KC loop of 16 with up to 15 remainder
121       size_t k = kc;
122       while (k != 0) {
123         const int8x16_t va0 = vld1q_s8(a0); a0 += 16;
124         const int8x16_t va1 = vld1q_s8(a1); a1 += 16;
125         const int8x16_t va2 = vld1q_s8(a2); a2 += 16;
126 
127         const int8x16_t vb0 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
128         const int8x16_t vb1 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
129         const int8x16_t vb2 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
130         const int8x16_t vb3 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
131         const int8x16_t vb4 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
132         const int8x16_t vb5 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
133         const int8x16_t vb6 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
134         const int8x16_t vb7 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
135         const int8x16_t vb8 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
136         const int8x16_t vb9 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
137         const int8x16_t vb10 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
138         const int8x16_t vb11 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
139         const int8x16_t vb12 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
140         const int8x16_t vb13 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
141         const int8x16_t vb14 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
142         const int8x16_t vb15 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
143 
144         int16x8_t vprod0x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va0));
145         int16x8_t vprod1x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va1));
146         int16x8_t vprod2x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va2));
147         vprod0x0 = vmlal_s8(vprod0x0, vget_high_s8(vb0), vget_high_s8(va0));
148         vprod1x0 = vmlal_s8(vprod1x0, vget_high_s8(vb0), vget_high_s8(va1));
149         vprod2x0 = vmlal_s8(vprod2x0, vget_high_s8(vb0), vget_high_s8(va2));
150         vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
151         vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
152         vacc2x0 = vpadalq_s16(vacc2x0, vprod2x0);
153         int16x8_t vprod0x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va0));
154         int16x8_t vprod1x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va1));
155         int16x8_t vprod2x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va2));
156         vprod0x1 = vmlal_s8(vprod0x1, vget_high_s8(vb1), vget_high_s8(va0));
157         vprod1x1 = vmlal_s8(vprod1x1, vget_high_s8(vb1), vget_high_s8(va1));
158         vprod2x1 = vmlal_s8(vprod2x1, vget_high_s8(vb1), vget_high_s8(va2));
159         vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
160         vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
161         vacc2x1 = vpadalq_s16(vacc2x1, vprod2x1);
162         int16x8_t vprod0x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va0));
163         int16x8_t vprod1x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va1));
164         int16x8_t vprod2x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va2));
165         vprod0x2 = vmlal_s8(vprod0x2, vget_high_s8(vb2), vget_high_s8(va0));
166         vprod1x2 = vmlal_s8(vprod1x2, vget_high_s8(vb2), vget_high_s8(va1));
167         vprod2x2 = vmlal_s8(vprod2x2, vget_high_s8(vb2), vget_high_s8(va2));
168         vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
169         vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
170         vacc2x2 = vpadalq_s16(vacc2x2, vprod2x2);
171         int16x8_t vprod0x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va0));
172         int16x8_t vprod1x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va1));
173         int16x8_t vprod2x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va2));
174         vprod0x3 = vmlal_s8(vprod0x3, vget_high_s8(vb3), vget_high_s8(va0));
175         vprod1x3 = vmlal_s8(vprod1x3, vget_high_s8(vb3), vget_high_s8(va1));
176         vprod2x3 = vmlal_s8(vprod2x3, vget_high_s8(vb3), vget_high_s8(va2));
177         vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
178         vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
179         vacc2x3 = vpadalq_s16(vacc2x3, vprod2x3);
180         int16x8_t vprod0x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va0));
181         int16x8_t vprod1x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va1));
182         int16x8_t vprod2x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va2));
183         vprod0x4 = vmlal_s8(vprod0x4, vget_high_s8(vb4), vget_high_s8(va0));
184         vprod1x4 = vmlal_s8(vprod1x4, vget_high_s8(vb4), vget_high_s8(va1));
185         vprod2x4 = vmlal_s8(vprod2x4, vget_high_s8(vb4), vget_high_s8(va2));
186         vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
187         vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
188         vacc2x4 = vpadalq_s16(vacc2x4, vprod2x4);
189         int16x8_t vprod0x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va0));
190         int16x8_t vprod1x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va1));
191         int16x8_t vprod2x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va2));
192         vprod0x5 = vmlal_s8(vprod0x5, vget_high_s8(vb5), vget_high_s8(va0));
193         vprod1x5 = vmlal_s8(vprod1x5, vget_high_s8(vb5), vget_high_s8(va1));
194         vprod2x5 = vmlal_s8(vprod2x5, vget_high_s8(vb5), vget_high_s8(va2));
195         vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
196         vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
197         vacc2x5 = vpadalq_s16(vacc2x5, vprod2x5);
198         int16x8_t vprod0x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va0));
199         int16x8_t vprod1x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va1));
200         int16x8_t vprod2x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va2));
201         vprod0x6 = vmlal_s8(vprod0x6, vget_high_s8(vb6), vget_high_s8(va0));
202         vprod1x6 = vmlal_s8(vprod1x6, vget_high_s8(vb6), vget_high_s8(va1));
203         vprod2x6 = vmlal_s8(vprod2x6, vget_high_s8(vb6), vget_high_s8(va2));
204         vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
205         vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
206         vacc2x6 = vpadalq_s16(vacc2x6, vprod2x6);
207         int16x8_t vprod0x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va0));
208         int16x8_t vprod1x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va1));
209         int16x8_t vprod2x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va2));
210         vprod0x7 = vmlal_s8(vprod0x7, vget_high_s8(vb7), vget_high_s8(va0));
211         vprod1x7 = vmlal_s8(vprod1x7, vget_high_s8(vb7), vget_high_s8(va1));
212         vprod2x7 = vmlal_s8(vprod2x7, vget_high_s8(vb7), vget_high_s8(va2));
213         vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
214         vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
215         vacc2x7 = vpadalq_s16(vacc2x7, vprod2x7);
216         int16x8_t vprod0x8 = vmull_s8(vget_low_s8(vb8), vget_low_s8(va0));
217         int16x8_t vprod1x8 = vmull_s8(vget_low_s8(vb8), vget_low_s8(va1));
218         int16x8_t vprod2x8 = vmull_s8(vget_low_s8(vb8), vget_low_s8(va2));
219         vprod0x8 = vmlal_s8(vprod0x8, vget_high_s8(vb8), vget_high_s8(va0));
220         vprod1x8 = vmlal_s8(vprod1x8, vget_high_s8(vb8), vget_high_s8(va1));
221         vprod2x8 = vmlal_s8(vprod2x8, vget_high_s8(vb8), vget_high_s8(va2));
222         vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
223         vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
224         vacc2x8 = vpadalq_s16(vacc2x8, vprod2x8);
225         int16x8_t vprod0x9 = vmull_s8(vget_low_s8(vb9), vget_low_s8(va0));
226         int16x8_t vprod1x9 = vmull_s8(vget_low_s8(vb9), vget_low_s8(va1));
227         int16x8_t vprod2x9 = vmull_s8(vget_low_s8(vb9), vget_low_s8(va2));
228         vprod0x9 = vmlal_s8(vprod0x9, vget_high_s8(vb9), vget_high_s8(va0));
229         vprod1x9 = vmlal_s8(vprod1x9, vget_high_s8(vb9), vget_high_s8(va1));
230         vprod2x9 = vmlal_s8(vprod2x9, vget_high_s8(vb9), vget_high_s8(va2));
231         vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
232         vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
233         vacc2x9 = vpadalq_s16(vacc2x9, vprod2x9);
234         int16x8_t vprod0x10 = vmull_s8(vget_low_s8(vb10), vget_low_s8(va0));
235         int16x8_t vprod1x10 = vmull_s8(vget_low_s8(vb10), vget_low_s8(va1));
236         int16x8_t vprod2x10 = vmull_s8(vget_low_s8(vb10), vget_low_s8(va2));
237         vprod0x10 = vmlal_s8(vprod0x10, vget_high_s8(vb10), vget_high_s8(va0));
238         vprod1x10 = vmlal_s8(vprod1x10, vget_high_s8(vb10), vget_high_s8(va1));
239         vprod2x10 = vmlal_s8(vprod2x10, vget_high_s8(vb10), vget_high_s8(va2));
240         vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
241         vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
242         vacc2x10 = vpadalq_s16(vacc2x10, vprod2x10);
243         int16x8_t vprod0x11 = vmull_s8(vget_low_s8(vb11), vget_low_s8(va0));
244         int16x8_t vprod1x11 = vmull_s8(vget_low_s8(vb11), vget_low_s8(va1));
245         int16x8_t vprod2x11 = vmull_s8(vget_low_s8(vb11), vget_low_s8(va2));
246         vprod0x11 = vmlal_s8(vprod0x11, vget_high_s8(vb11), vget_high_s8(va0));
247         vprod1x11 = vmlal_s8(vprod1x11, vget_high_s8(vb11), vget_high_s8(va1));
248         vprod2x11 = vmlal_s8(vprod2x11, vget_high_s8(vb11), vget_high_s8(va2));
249         vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
250         vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
251         vacc2x11 = vpadalq_s16(vacc2x11, vprod2x11);
252         int16x8_t vprod0x12 = vmull_s8(vget_low_s8(vb12), vget_low_s8(va0));
253         int16x8_t vprod1x12 = vmull_s8(vget_low_s8(vb12), vget_low_s8(va1));
254         int16x8_t vprod2x12 = vmull_s8(vget_low_s8(vb12), vget_low_s8(va2));
255         vprod0x12 = vmlal_s8(vprod0x12, vget_high_s8(vb12), vget_high_s8(va0));
256         vprod1x12 = vmlal_s8(vprod1x12, vget_high_s8(vb12), vget_high_s8(va1));
257         vprod2x12 = vmlal_s8(vprod2x12, vget_high_s8(vb12), vget_high_s8(va2));
258         vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
259         vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
260         vacc2x12 = vpadalq_s16(vacc2x12, vprod2x12);
261         int16x8_t vprod0x13 = vmull_s8(vget_low_s8(vb13), vget_low_s8(va0));
262         int16x8_t vprod1x13 = vmull_s8(vget_low_s8(vb13), vget_low_s8(va1));
263         int16x8_t vprod2x13 = vmull_s8(vget_low_s8(vb13), vget_low_s8(va2));
264         vprod0x13 = vmlal_s8(vprod0x13, vget_high_s8(vb13), vget_high_s8(va0));
265         vprod1x13 = vmlal_s8(vprod1x13, vget_high_s8(vb13), vget_high_s8(va1));
266         vprod2x13 = vmlal_s8(vprod2x13, vget_high_s8(vb13), vget_high_s8(va2));
267         vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
268         vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
269         vacc2x13 = vpadalq_s16(vacc2x13, vprod2x13);
270         int16x8_t vprod0x14 = vmull_s8(vget_low_s8(vb14), vget_low_s8(va0));
271         int16x8_t vprod1x14 = vmull_s8(vget_low_s8(vb14), vget_low_s8(va1));
272         int16x8_t vprod2x14 = vmull_s8(vget_low_s8(vb14), vget_low_s8(va2));
273         vprod0x14 = vmlal_s8(vprod0x14, vget_high_s8(vb14), vget_high_s8(va0));
274         vprod1x14 = vmlal_s8(vprod1x14, vget_high_s8(vb14), vget_high_s8(va1));
275         vprod2x14 = vmlal_s8(vprod2x14, vget_high_s8(vb14), vget_high_s8(va2));
276         vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
277         vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
278         vacc2x14 = vpadalq_s16(vacc2x14, vprod2x14);
279         int16x8_t vprod0x15 = vmull_s8(vget_low_s8(vb15), vget_low_s8(va0));
280         int16x8_t vprod1x15 = vmull_s8(vget_low_s8(vb15), vget_low_s8(va1));
281         int16x8_t vprod2x15 = vmull_s8(vget_low_s8(vb15), vget_low_s8(va2));
282         vprod0x15 = vmlal_s8(vprod0x15, vget_high_s8(vb15), vget_high_s8(va0));
283         vprod1x15 = vmlal_s8(vprod1x15, vget_high_s8(vb15), vget_high_s8(va1));
284         vprod2x15 = vmlal_s8(vprod2x15, vget_high_s8(vb15), vget_high_s8(va2));
285         vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
286         vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
287         vacc2x15 = vpadalq_s16(vacc2x15, vprod2x15);
288 
289         k -= 16 * sizeof(int8_t);
290       }
291 
292       p -= 3 * sizeof(void*);
293     } while (p != 0);
294 
295 #if XNN_ARCH_ARM64
296     const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
297     const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
298     const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
299     const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
300     const int32x4_t vsum0x89 = vpaddq_s32(vacc0x8, vacc0x9);
301     const int32x4_t vsum0xAB = vpaddq_s32(vacc0x10, vacc0x11);
302     const int32x4_t vsum0xCD = vpaddq_s32(vacc0x12, vacc0x13);
303     const int32x4_t vsum0xEF = vpaddq_s32(vacc0x14, vacc0x15);
304     const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
305     const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
306     const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
307     const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
308     const int32x4_t vsum1x89 = vpaddq_s32(vacc1x8, vacc1x9);
309     const int32x4_t vsum1xAB = vpaddq_s32(vacc1x10, vacc1x11);
310     const int32x4_t vsum1xCD = vpaddq_s32(vacc1x12, vacc1x13);
311     const int32x4_t vsum1xEF = vpaddq_s32(vacc1x14, vacc1x15);
312     const int32x4_t vsum2x01 = vpaddq_s32(vacc2x0, vacc2x1);
313     const int32x4_t vsum2x23 = vpaddq_s32(vacc2x2, vacc2x3);
314     const int32x4_t vsum2x45 = vpaddq_s32(vacc2x4, vacc2x5);
315     const int32x4_t vsum2x67 = vpaddq_s32(vacc2x6, vacc2x7);
316     const int32x4_t vsum2x89 = vpaddq_s32(vacc2x8, vacc2x9);
317     const int32x4_t vsum2xAB = vpaddq_s32(vacc2x10, vacc2x11);
318     const int32x4_t vsum2xCD = vpaddq_s32(vacc2x12, vacc2x13);
319     const int32x4_t vsum2xEF = vpaddq_s32(vacc2x14, vacc2x15);
320     int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
321     int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
322     int32x4_t vacc0x89AB = vpaddq_s32(vsum0x89, vsum0xAB);
323     int32x4_t vacc0xCDEF = vpaddq_s32(vsum0xCD, vsum0xEF);
324     int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
325     int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
326     int32x4_t vacc1x89AB = vpaddq_s32(vsum1x89, vsum1xAB);
327     int32x4_t vacc1xCDEF = vpaddq_s32(vsum1xCD, vsum1xEF);
328     int32x4_t vacc2x0123 = vpaddq_s32(vsum2x01, vsum2x23);
329     int32x4_t vacc2x4567 = vpaddq_s32(vsum2x45, vsum2x67);
330     int32x4_t vacc2x89AB = vpaddq_s32(vsum2x89, vsum2xAB);
331     int32x4_t vacc2xCDEF = vpaddq_s32(vsum2xCD, vsum2xEF);
332 #else
333     const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
334     const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
335     const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
336     const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
337     const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
338     const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
339     int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
340     const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
341     const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
342     const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
343     const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
344     const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
345     const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
346     int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
347     const int32x2_t vpsum0x8 = vadd_s32(vget_low_s32(vacc0x8), vget_high_s32(vacc0x8));
348     const int32x2_t vpsum0x9 = vadd_s32(vget_low_s32(vacc0x9), vget_high_s32(vacc0x9));
349     const int32x2_t vpsum0xA = vadd_s32(vget_low_s32(vacc0x10), vget_high_s32(vacc0x10));
350     const int32x2_t vpsum0xB = vadd_s32(vget_low_s32(vacc0x11), vget_high_s32(vacc0x11));
351     const int32x2_t vsum0x89 = vpadd_s32(vpsum0x8, vpsum0x9);
352     const int32x2_t vsum0xAB = vpadd_s32(vpsum0xA, vpsum0xB);
353     int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB );
354     const int32x2_t vpsum0xC = vadd_s32(vget_low_s32(vacc0x12), vget_high_s32(vacc0x12));
355     const int32x2_t vpsum0xD = vadd_s32(vget_low_s32(vacc0x13), vget_high_s32(vacc0x13));
356     const int32x2_t vpsum0xE = vadd_s32(vget_low_s32(vacc0x14), vget_high_s32(vacc0x14));
357     const int32x2_t vpsum0xF = vadd_s32(vget_low_s32(vacc0x15), vget_high_s32(vacc0x15));
358     const int32x2_t vsum0xCD = vpadd_s32(vpsum0xC, vpsum0xD);
359     const int32x2_t vsum0xEF = vpadd_s32(vpsum0xE, vpsum0xF);
360     int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF );
361     const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
362     const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
363     const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
364     const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
365     const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
366     const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
367     int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
368     const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
369     const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
370     const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
371     const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
372     const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
373     const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
374     int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
375     const int32x2_t vpsum1x8 = vadd_s32(vget_low_s32(vacc1x8), vget_high_s32(vacc1x8));
376     const int32x2_t vpsum1x9 = vadd_s32(vget_low_s32(vacc1x9), vget_high_s32(vacc1x9));
377     const int32x2_t vpsum1xA = vadd_s32(vget_low_s32(vacc1x10), vget_high_s32(vacc1x10));
378     const int32x2_t vpsum1xB = vadd_s32(vget_low_s32(vacc1x11), vget_high_s32(vacc1x11));
379     const int32x2_t vsum1x89 = vpadd_s32(vpsum1x8, vpsum1x9);
380     const int32x2_t vsum1xAB = vpadd_s32(vpsum1xA, vpsum1xB);
381     int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB );
382     const int32x2_t vpsum1xC = vadd_s32(vget_low_s32(vacc1x12), vget_high_s32(vacc1x12));
383     const int32x2_t vpsum1xD = vadd_s32(vget_low_s32(vacc1x13), vget_high_s32(vacc1x13));
384     const int32x2_t vpsum1xE = vadd_s32(vget_low_s32(vacc1x14), vget_high_s32(vacc1x14));
385     const int32x2_t vpsum1xF = vadd_s32(vget_low_s32(vacc1x15), vget_high_s32(vacc1x15));
386     const int32x2_t vsum1xCD = vpadd_s32(vpsum1xC, vpsum1xD);
387     const int32x2_t vsum1xEF = vpadd_s32(vpsum1xE, vpsum1xF);
388     int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF );
389     const int32x2_t vpsum2x0 = vadd_s32(vget_low_s32(vacc2x0), vget_high_s32(vacc2x0));
390     const int32x2_t vpsum2x1 = vadd_s32(vget_low_s32(vacc2x1), vget_high_s32(vacc2x1));
391     const int32x2_t vpsum2x2 = vadd_s32(vget_low_s32(vacc2x2), vget_high_s32(vacc2x2));
392     const int32x2_t vpsum2x3 = vadd_s32(vget_low_s32(vacc2x3), vget_high_s32(vacc2x3));
393     const int32x2_t vsum2x01 = vpadd_s32(vpsum2x0, vpsum2x1);
394     const int32x2_t vsum2x23 = vpadd_s32(vpsum2x2, vpsum2x3);
395     int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23 );
396     const int32x2_t vpsum2x4 = vadd_s32(vget_low_s32(vacc2x4), vget_high_s32(vacc2x4));
397     const int32x2_t vpsum2x5 = vadd_s32(vget_low_s32(vacc2x5), vget_high_s32(vacc2x5));
398     const int32x2_t vpsum2x6 = vadd_s32(vget_low_s32(vacc2x6), vget_high_s32(vacc2x6));
399     const int32x2_t vpsum2x7 = vadd_s32(vget_low_s32(vacc2x7), vget_high_s32(vacc2x7));
400     const int32x2_t vsum2x45 = vpadd_s32(vpsum2x4, vpsum2x5);
401     const int32x2_t vsum2x67 = vpadd_s32(vpsum2x6, vpsum2x7);
402     int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67 );
403     const int32x2_t vpsum2x8 = vadd_s32(vget_low_s32(vacc2x8), vget_high_s32(vacc2x8));
404     const int32x2_t vpsum2x9 = vadd_s32(vget_low_s32(vacc2x9), vget_high_s32(vacc2x9));
405     const int32x2_t vpsum2xA = vadd_s32(vget_low_s32(vacc2x10), vget_high_s32(vacc2x10));
406     const int32x2_t vpsum2xB = vadd_s32(vget_low_s32(vacc2x11), vget_high_s32(vacc2x11));
407     const int32x2_t vsum2x89 = vpadd_s32(vpsum2x8, vpsum2x9);
408     const int32x2_t vsum2xAB = vpadd_s32(vpsum2xA, vpsum2xB);
409     int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB );
410     const int32x2_t vpsum2xC = vadd_s32(vget_low_s32(vacc2x12), vget_high_s32(vacc2x12));
411     const int32x2_t vpsum2xD = vadd_s32(vget_low_s32(vacc2x13), vget_high_s32(vacc2x13));
412     const int32x2_t vpsum2xE = vadd_s32(vget_low_s32(vacc2x14), vget_high_s32(vacc2x14));
413     const int32x2_t vpsum2xF = vadd_s32(vget_low_s32(vacc2x15), vget_high_s32(vacc2x15));
414     const int32x2_t vsum2xCD = vpadd_s32(vpsum2xC, vpsum2xD);
415     const int32x2_t vsum2xEF = vpadd_s32(vpsum2xE, vpsum2xF);
416     int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF );
417 #endif
418 
419     const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
420     const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
421     const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
422 
423     vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
424     vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
425     vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
426     vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
427     vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
428     vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
429     vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
430     vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
431     vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
432     vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
433     vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
434     vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
435 
436     vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
437     vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
438     vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
439     vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
440     vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
441     vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
442     vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
443     vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
444     vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
445     vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
446     vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
447     vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
448 
449     vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
450     vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
451     vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
452     vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
453     vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
454     vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
455     vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
456     vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
457     vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
458     vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
459     vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
460     vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
461 
462     const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
463 #if XNN_ARCH_ARM64
464     const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
465     const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF), voutput_zero_point);
466     const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
467     const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF), voutput_zero_point);
468     const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
469     const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF), voutput_zero_point);
470     int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
471     int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
472     int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
473 #else
474     const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
475     const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF)), voutput_zero_point);
476     const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
477     const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF)), voutput_zero_point);
478     const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
479     const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF)), voutput_zero_point);
480 
481     int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
482     int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
483     int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
484 #endif
485     const int8x16_t voutput_min = vld1q_dup_s8(&params->rndnu_neon.output_min);
486     const int8x16_t voutput_max = vld1q_dup_s8(&params->rndnu_neon.output_max);
487 
488     vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
489     vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
490     vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
491 
492     vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
493     vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
494     vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
495 
496     if (nc >= 16) {
497       vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
498       vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
499       vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
500 
501       c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
502       c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
503       c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
504 
505       a = (const int8_t**restrict) ((uintptr_t) a - ks);
506 
507       nc -= 16;
508     } else {
509       int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
510       int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
511       if (nc & 8) {
512         vst1_s8(c2, vout2x01234567); c2 += 8;
513         vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
514         vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
515         vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
516         vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
517       }
518       if (nc & 4) {
519         vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
520         vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
521         vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
522         vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
523         vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
524       }
525       if (nc & 2) {
526         vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
527         vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
528         vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
529         vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
530         vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
531       }
532       if (nc & 1) {
533         vst1_lane_s8(c2, vout2x01234567, 0);
534         vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
535         vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
536       }
537 
538       nc = 0;
539     }
540   } while (nc != 0);
541 }
542