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_dup(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_dup(
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 int8x8_t va0 = vld1_s8(a0); a0 += 8;
92 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
93 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
94 const int8x8_t va3 = vld1_s8(a3); a3 += 8;
95
96 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
103 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104
105 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
106 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
107 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
108 const int8x8_t va3c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 0));
109
110 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
111 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
112 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
113 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
114 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
115 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
116 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
117 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
118 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
119 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
120 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
121 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
122 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
123 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
124 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
125 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
126 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
127 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
128 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
129 const int8x8_t va3c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 1));
130
131 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
132 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
133 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
134 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
135 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
136 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
137 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
138 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
139 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
140 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
141 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
142 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
143 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
144 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
145 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
146 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
147 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
148 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
149 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
150 const int8x8_t va3c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 2));
151
152 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
153 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
154 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
155 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
156 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
157 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
158 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
159 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
160 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
161 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
162 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
163 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
164 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
165 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
166 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
167 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
168 const int8x8_t va0c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 3));
169 const int8x8_t va1c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 3));
170 const int8x8_t va2c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 3));
171 const int8x8_t va3c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 3));
172
173 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
174 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
175 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
176 const int16x8_t vprod3x0123c3 = vmull_s8(vb0123c3, va3c3);
177 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
178 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
179 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
180 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c3);
181 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
182 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
183 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
184 const int16x8_t vprod3x4567c3 = vmull_s8(vb4567c3, va3c3);
185 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
186 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
187 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
188 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c3);
189
190 k -= 8 * sizeof(int8_t);
191 }
192
193 if XNN_UNLIKELY(k != 0) {
194 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
195 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
196 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
197 const int8x8_t va3 = vld1_s8(a3); a3 = (const int8_t*) ((uintptr_t) a3 + k);
198
199 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
200 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
201
202 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
203 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
204 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
205 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
206 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
207 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
208 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
209 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
210 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
211 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
212 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
213 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
214 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
215 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
216 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
217 const int8x8_t va3c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 0));
218 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
219 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
220 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
221 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
222
223 if (k > 2 * sizeof(int8_t)) {
224 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
225 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
226
227 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
228 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
229 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
230 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
231 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
232 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
233 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
234 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
235 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
236 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
237 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
238 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
239 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
240 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
241 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
242 const int8x8_t va3c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 1));
243 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
244 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
245 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
246 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
247
248 if (k > 4 * sizeof(int8_t)) {
249 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
250 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
251
252 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
253 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
254 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
255 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
256 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
257 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
258 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
259 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
260 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
261 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
262 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
263 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
264 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
265 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
266 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
267 const int8x8_t va3c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 2));
268 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
269 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
270 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
271 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
272 }
273 }
274 }
275 p -= 4 * sizeof(void*);
276 } while (p != 0);
277
278 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
279 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
280 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
281
282 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
283 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
284 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
285 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
286 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
287 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
288 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
289 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
290
291 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
292 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
293 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
294 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
295 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
296 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
297 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
298 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
299
300 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
301 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
302 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
303 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
304 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
305 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
306 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
307 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
308
309 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
310 #if XNN_ARCH_ARM64
311 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
312 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
313 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
314 int16x8_t vacc3x01234567 = vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567);
315
316 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
317 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
318 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
319 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
320
321 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
322 int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567);
323 #else
324 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
325 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
326 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
327 int16x8_t vacc3x01234567 = vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567));
328
329 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
330 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
331 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
332 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
333
334 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
335 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567));
336 #endif
337
338 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
339 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
340 vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min);
341
342 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
343 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
344 vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max);
345
346 if (nc >= 8) {
347 vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567));
348 vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567));
349 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
350 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
351
352 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
353 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
354 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
355 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
356
357 a = (const int8_t**restrict) ((uintptr_t) a - ks);
358
359 nc -= 8;
360 } else {
361 if (nc & 4) {
362 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
363 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
364 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
365 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
366 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
367 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
368 }
369 if (nc & 2) {
370 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
371 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
372 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
373 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
374 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
375 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
376 }
377 if (nc & 1) {
378 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
379 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
380 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
381 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
382 }
383
384 nc = 0;
385 }
386 } while (nc != 0);
387 }
388