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_ld2r(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_ld2r(
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 int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
92 const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
93 const int16x4x2_t va10 = vld2_dup_s16((const void*)a1);
94 const int16x4x2_t va11 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
95 const int16x4x2_t va20 = vld2_dup_s16((const void*)a2);
96 const int16x4x2_t va21 = vld2_dup_s16((const void*)(a2 + 4)); a2 += 8;
97 const int16x4x2_t va30 = vld2_dup_s16((const void*)a3);
98 const int16x4x2_t va31 = vld2_dup_s16((const void*)(a3 + 4)); a3 += 8;
99
100 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
103 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108
109 const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
110 const int8x8_t va1c0 = vreinterpret_s8_s16(va10.val[0]);
111 const int8x8_t va2c0 = vreinterpret_s8_s16(va20.val[0]);
112 const int8x8_t va3c0 = vreinterpret_s8_s16(va30.val[0]);
113
114 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
115 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
116 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
117 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
118 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
119 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
120 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
121 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
122 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
123 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
124 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
125 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
126 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
127 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
128 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
129 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
130 const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
131 const int8x8_t va1c1 = vreinterpret_s8_s16(va10.val[1]);
132 const int8x8_t va2c1 = vreinterpret_s8_s16(va20.val[1]);
133 const int8x8_t va3c1 = vreinterpret_s8_s16(va30.val[1]);
134
135 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
136 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
137 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
138 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
139 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
140 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
141 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
142 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
143 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
144 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
145 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
146 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
147 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
148 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
149 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
150 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
151 const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
152 const int8x8_t va1c2 = vreinterpret_s8_s16(va11.val[0]);
153 const int8x8_t va2c2 = vreinterpret_s8_s16(va21.val[0]);
154 const int8x8_t va3c2 = vreinterpret_s8_s16(va31.val[0]);
155
156 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
157 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
158 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
159 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
160 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
161 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
162 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
163 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
164 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
165 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
166 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
167 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
168 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
169 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
170 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
171 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
172 const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
173 const int8x8_t va1c3 = vreinterpret_s8_s16(va11.val[1]);
174 const int8x8_t va2c3 = vreinterpret_s8_s16(va21.val[1]);
175 const int8x8_t va3c3 = vreinterpret_s8_s16(va31.val[1]);
176
177 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
178 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
179 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
180 const int16x8_t vprod3x0123c3 = vmull_s8(vb0123c3, va3c3);
181 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
182 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
183 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
184 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c3);
185 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
186 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
187 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
188 const int16x8_t vprod3x4567c3 = vmull_s8(vb4567c3, va3c3);
189 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
190 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
191 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
192 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c3);
193
194 k -= 8 * sizeof(int8_t);
195 }
196
197 if XNN_UNLIKELY(k != 0) {
198 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
199 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
200 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
201 const int8x8_t va3 = vld1_s8(a3); a3 = (const int8_t*) ((uintptr_t) a3 + k);
202
203 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
204 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
205
206 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
207 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
208 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
209 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
210 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
211 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
212 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
213 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
214 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
215 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
216 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
217 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
218 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
219 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
220 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
221 const int8x8_t va3c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 0));
222 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
223 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
224 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
225 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
226
227 if (k > 2 * sizeof(int8_t)) {
228 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
229 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
230
231 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
232 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
233 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
234 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
235 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
236 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
237 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
238 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
239 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
240 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
241 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
242 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
243 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
244 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
245 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
246 const int8x8_t va3c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 1));
247 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
248 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
249 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
250 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
251
252 if (k > 4 * sizeof(int8_t)) {
253 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
254 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
255
256 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
257 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
258 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
259 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
260 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
261 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
262 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
263 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
264 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
265 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
266 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
267 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
268 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
269 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
270 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
271 const int8x8_t va3c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 2));
272 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
273 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
274 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
275 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
276 }
277 }
278 }
279 p -= 4 * sizeof(void*);
280 } while (p != 0);
281
282 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
283 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
284 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
285
286 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
287 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
288 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
289 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
290 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
291 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
292 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
293 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
294
295 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
296 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
297 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
298 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
299 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
300 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
301 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
302 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
303
304 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
305 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
306 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
307 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
308 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
309 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
310 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
311 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
312
313 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
314 #if XNN_ARCH_ARM64
315 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
316 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
317 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
318 int16x8_t vacc3x01234567 = vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567);
319
320 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
321 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
322 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
323 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
324
325 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
326 int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567);
327 #else
328 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
329 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
330 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
331 int16x8_t vacc3x01234567 = vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567));
332
333 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
334 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
335 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
336 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
337
338 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
339 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567));
340 #endif
341
342 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
343 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
344 vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min);
345
346 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
347 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
348 vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max);
349
350 if (nc >= 8) {
351 vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567));
352 vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567));
353 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
354 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
355
356 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
357 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
358 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
359 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
360
361 a = (const int8_t**restrict) ((uintptr_t) a - ks);
362
363 nc -= 8;
364 } else {
365 if (nc & 4) {
366 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
367 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
368 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
369 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
370 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
371 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
372 }
373 if (nc & 2) {
374 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
375 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
376 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
377 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
378 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
379 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
380 }
381 if (nc & 1) {
382 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
383 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
384 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
385 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
386 }
387
388 nc = 0;
389 }
390 } while (nc != 0);
391 }
392