1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c2-neon-mull-dup.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
xnn_qs8_igemm_minmax_rndnu_ukernel_4x8c2__neon_mull_ld1r(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)])17 void xnn_qs8_igemm_minmax_rndnu_ukernel_4x8c2__neon_mull_ld1r(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 size_t ks,
22 const int8_t** restrict a,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 size_t a_offset,
28 const int8_t* zero,
29 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 4);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (4 * sizeof(void*)) == 0);
37 assert(a_offset % sizeof(int8_t) == 0);
38 assert(a != NULL);
39 assert(w != NULL);
40 assert(c != NULL);
41
42 kc = round_up_po2(kc, 2 * sizeof(int8_t));
43 int8_t* c0 = c;
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 c1 = c0;
47 }
48 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
49 if XNN_UNPREDICTABLE(mr <= 2) {
50 c2 = c1;
51 }
52 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
53 if XNN_UNPREDICTABLE(mr != 4) {
54 c3 = c2;
55 }
56
57 do {
58 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
59 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
60 int32x4_t vacc1x0123 = vacc0x0123;
61 int32x4_t vacc1x4567 = vacc0x4567;
62 int32x4_t vacc2x0123 = vacc0x0123;
63 int32x4_t vacc2x4567 = vacc0x4567;
64 int32x4_t vacc3x0123 = vacc0x0123;
65 int32x4_t vacc3x4567 = vacc0x4567;
66
67 size_t p = ks;
68 do {
69 const int8_t* restrict a0 = a[0];
70 if XNN_UNPREDICTABLE(a0 != zero) {
71 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
72 }
73 const int8_t* restrict a1 = a[1];
74 if XNN_UNPREDICTABLE(a1 != zero) {
75 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
76 }
77 const int8_t* restrict a2 = a[2];
78 if XNN_UNPREDICTABLE(a2 != zero) {
79 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
80 }
81 const int8_t* restrict a3 = a[3];
82 if XNN_UNPREDICTABLE(a3 != zero) {
83 a3 = (const int8_t*) ((uintptr_t) a3 + a_offset);
84 }
85 a += 4;
86
87 size_t k = kc;
88
89
90 while (k >= 8 * sizeof(int8_t)) {
91 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
92 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
93 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
94 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
95 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
96 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
97 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
98 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
99 const int16x4_t va20 = vld1_dup_s16((const void*)a2);
100 const int16x4_t va21 = vld1_dup_s16((const void*)(a2 + 2));
101 const int16x4_t va22 = vld1_dup_s16((const void*)(a2 + 4));
102 const int16x4_t va23 = vld1_dup_s16((const void*)(a2 + 6)); a2 += 8;
103 const int16x4_t va30 = vld1_dup_s16((const void*)a3);
104 const int16x4_t va31 = vld1_dup_s16((const void*)(a3 + 2));
105 const int16x4_t va32 = vld1_dup_s16((const void*)(a3 + 4));
106 const int16x4_t va33 = vld1_dup_s16((const void*)(a3 + 6)); a3 += 8;
107
108 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
109 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
110 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116
117 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
118 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
119 const int8x8_t va2c0 = vreinterpret_s8_s16(va20);
120 const int8x8_t va3c0 = vreinterpret_s8_s16(va30);
121
122 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
123 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
124 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
125 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
126 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
127 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
128 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
129 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
130 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
131 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
132 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
133 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
134 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
135 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
136 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
137 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
138 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
139 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
140 const int8x8_t va2c1 = vreinterpret_s8_s16(va21);
141 const int8x8_t va3c1 = vreinterpret_s8_s16(va31);
142
143 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
144 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
145 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
146 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
147 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
148 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
149 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
150 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
151 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
152 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
153 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
154 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
155 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
156 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
157 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
158 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
159 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
160 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
161 const int8x8_t va2c2 = vreinterpret_s8_s16(va22);
162 const int8x8_t va3c2 = vreinterpret_s8_s16(va32);
163
164 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
165 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
166 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
167 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
168 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
169 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
170 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
171 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
172 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
173 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
174 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
175 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
176 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
177 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
178 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
179 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
180 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
181 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
182 const int8x8_t va2c3 = vreinterpret_s8_s16(va23);
183 const int8x8_t va3c3 = vreinterpret_s8_s16(va33);
184
185 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
186 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
187 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
188 const int16x8_t vprod3x0123c3 = vmull_s8(vb0123c3, va3c3);
189 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
190 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
191 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
192 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c3);
193 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
194 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
195 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
196 const int16x8_t vprod3x4567c3 = vmull_s8(vb4567c3, va3c3);
197 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
198 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
199 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
200 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c3);
201
202 k -= 8 * sizeof(int8_t);
203 }
204
205 if XNN_UNLIKELY(k != 0) {
206 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
207 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
208 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
209 const int8x8_t va3 = vld1_s8(a3); a3 = (const int8_t*) ((uintptr_t) a3 + k);
210
211 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
212 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
213
214 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
215 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
216 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
217 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
218 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
219 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
220 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
221 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
222 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
223 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
224 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
225 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
226 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
227 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
228 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
229 const int8x8_t va3c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 0));
230 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
231 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
232 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
233 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
234
235 if (k > 2 * sizeof(int8_t)) {
236 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
237 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
238
239 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
240 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
241 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
242 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
243 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
244 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
245 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
246 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
247 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
248 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
249 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
250 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
251 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
252 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
253 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
254 const int8x8_t va3c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 1));
255 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
256 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
257 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
258 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
259
260 if (k > 4 * sizeof(int8_t)) {
261 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
262 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
263
264 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
265 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
266 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
267 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
268 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
269 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
270 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
271 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
272 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
273 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
274 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
275 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
276 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
277 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
278 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
279 const int8x8_t va3c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 2));
280 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
281 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
282 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
283 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
284 }
285 }
286 }
287 p -= 4 * sizeof(void*);
288 } while (p != 0);
289
290 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
291 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
292 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
293
294 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
295 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
296 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
297 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
298 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
299 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
300 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
301 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
302
303 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
304 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
305 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
306 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
307 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
308 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
309 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
310 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
311
312 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
313 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
314 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
315 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
316 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
317 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
318 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
319 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
320
321 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
322 #if XNN_ARCH_ARM64
323 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
324 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
325 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
326 int16x8_t vacc3x01234567 = vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567);
327
328 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
329 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
330 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
331 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
332
333 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
334 int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567);
335 #else
336 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
337 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
338 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
339 int16x8_t vacc3x01234567 = vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567));
340
341 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
342 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
343 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
344 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
345
346 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
347 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567));
348 #endif
349
350 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
351 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
352 vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min);
353
354 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
355 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
356 vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max);
357
358 if (nc >= 8) {
359 vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567));
360 vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567));
361 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
362 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
363
364 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
365 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
366 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
367 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
368
369 a = (const int8_t**restrict) ((uintptr_t) a - ks);
370
371 nc -= 8;
372 } else {
373 if (nc & 4) {
374 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
375 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
376 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
377 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
378 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
379 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
380 }
381 if (nc & 2) {
382 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
383 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
384 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
385 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
386 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
387 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
388 }
389 if (nc & 1) {
390 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
391 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
392 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
393 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
394 }
395
396 nc = 0;
397 }
398 } while (nc != 0);
399 }
400