1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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_gemm_minmax_rndnu_ukernel_4x8c2__neon_mull_ld1r(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qs8_gemm_minmax_rndnu_ukernel_4x8c2__neon_mull_ld1r(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 const int8_t* restrict a,
22 size_t a_stride,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29 assert(mr != 0);
30 assert(mr <= 4);
31 assert(nc != 0);
32 assert(kc != 0);
33 assert(kc % sizeof(int8_t) == 0);
34 assert(a != NULL);
35 assert(w != NULL);
36 assert(c != NULL);
37
38 kc = round_up_po2(kc, 2 * sizeof(int8_t));
39 const int8_t* a0 = a;
40 int8_t* c0 = c;
41 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
42 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
43 if XNN_UNPREDICTABLE(mr < 2) {
44 a1 = a0;
45 c1 = c0;
46 }
47 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
48 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
49 if XNN_UNPREDICTABLE(mr <= 2) {
50 a2 = a1;
51 c2 = c1;
52 }
53 const int8_t* a3 = (const int8_t*) ((uintptr_t) a2 + a_stride);
54 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
55 if XNN_UNPREDICTABLE(mr != 4) {
56 a3 = a2;
57 c3 = c2;
58 }
59
60 do {
61 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
62 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
63 int32x4_t vacc1x0123 = vacc0x0123;
64 int32x4_t vacc1x4567 = vacc0x4567;
65 int32x4_t vacc2x0123 = vacc0x0123;
66 int32x4_t vacc2x4567 = vacc0x4567;
67 int32x4_t vacc3x0123 = vacc0x0123;
68 int32x4_t vacc3x4567 = vacc0x4567;
69
70 size_t k = kc;
71
72
73 while (k >= 8 * sizeof(int8_t)) {
74 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
75 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
76 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
77 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
78 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
79 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
80 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
81 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
82 const int16x4_t va20 = vld1_dup_s16((const void*)a2);
83 const int16x4_t va21 = vld1_dup_s16((const void*)(a2 + 2));
84 const int16x4_t va22 = vld1_dup_s16((const void*)(a2 + 4));
85 const int16x4_t va23 = vld1_dup_s16((const void*)(a2 + 6)); a2 += 8;
86 const int16x4_t va30 = vld1_dup_s16((const void*)a3);
87 const int16x4_t va31 = vld1_dup_s16((const void*)(a3 + 2));
88 const int16x4_t va32 = vld1_dup_s16((const void*)(a3 + 4));
89 const int16x4_t va33 = vld1_dup_s16((const void*)(a3 + 6)); a3 += 8;
90
91 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99
100 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
101 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
102 const int8x8_t va2c0 = vreinterpret_s8_s16(va20);
103 const int8x8_t va3c0 = vreinterpret_s8_s16(va30);
104
105 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
106 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
107 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
108 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
109 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
110 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
111 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
112 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
113 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
114 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
115 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
116 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
117 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
118 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
119 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
120 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
121 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
122 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
123 const int8x8_t va2c1 = vreinterpret_s8_s16(va21);
124 const int8x8_t va3c1 = vreinterpret_s8_s16(va31);
125
126 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
127 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
128 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
129 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
130 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
131 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
132 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
133 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
134 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
135 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
136 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
137 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
138 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
139 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
140 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
141 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
142 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
143 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
144 const int8x8_t va2c2 = vreinterpret_s8_s16(va22);
145 const int8x8_t va3c2 = vreinterpret_s8_s16(va32);
146
147 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
148 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
149 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
150 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
151 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
152 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
153 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
154 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
155 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
156 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
157 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
158 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
159 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
160 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
161 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
162 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
163 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
164 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
165 const int8x8_t va2c3 = vreinterpret_s8_s16(va23);
166 const int8x8_t va3c3 = vreinterpret_s8_s16(va33);
167
168 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
169 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
170 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
171 const int16x8_t vprod3x0123c3 = vmull_s8(vb0123c3, va3c3);
172 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
173 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
174 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
175 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c3);
176 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
177 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
178 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
179 const int16x8_t vprod3x4567c3 = vmull_s8(vb4567c3, va3c3);
180 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
181 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
182 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
183 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c3);
184
185 k -= 8 * sizeof(int8_t);
186 }
187
188 if XNN_UNLIKELY(k != 0) {
189 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
190 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
191 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
192 const int8x8_t va3 = vld1_s8(a3); a3 = (const int8_t*) ((uintptr_t) a3 + k);
193
194 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
195 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
196
197 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
198 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
199 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
200 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
201 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
202 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
203 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
204 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
205 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
206 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
207 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
208 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
209 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
210 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
211 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
212 const int8x8_t va3c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 0));
213 const int16x8_t vprod3x0123c0 = vmull_s8(vb0123c0, va3c0);
214 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c0);
215 const int16x8_t vprod3x4567c0 = vmull_s8(vb4567c0, va3c0);
216 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c0);
217
218 if (k > 2 * sizeof(int8_t)) {
219 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
220 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
221
222 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
223 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
224 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
225 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
226 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
227 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
228 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
229 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
230 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
231 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
232 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
233 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
234 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
235 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
236 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
237 const int8x8_t va3c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 1));
238 const int16x8_t vprod3x0123c1 = vmull_s8(vb0123c1, va3c1);
239 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c1);
240 const int16x8_t vprod3x4567c1 = vmull_s8(vb4567c1, va3c1);
241 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c1);
242
243 if (k > 4 * sizeof(int8_t)) {
244 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
245 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
246
247 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
248 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
249 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
250 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
251 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
252 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
253 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
254 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
255 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
256 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
257 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
258 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
259 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
260 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
261 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
262 const int8x8_t va3c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va3), 2));
263 const int16x8_t vprod3x0123c2 = vmull_s8(vb0123c2, va3c2);
264 vacc3x0123 = vpadalq_s16(vacc3x0123, vprod3x0123c2);
265 const int16x8_t vprod3x4567c2 = vmull_s8(vb4567c2, va3c2);
266 vacc3x4567 = vpadalq_s16(vacc3x4567, vprod3x4567c2);
267 }
268 }
269 }
270
271 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
272 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
273 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
274
275 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
276 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
277 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
278 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
279 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
280 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
281 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
282 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
283
284 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
285 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
286 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
287 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
288 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
289 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
290 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
291 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
292
293 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
294 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
295 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
296 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
297 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
298 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
299 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
300 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
301
302 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
303 #if XNN_ARCH_ARM64
304 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
305 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
306 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
307 int16x8_t vacc3x01234567 = vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567);
308
309 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
310 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
311 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
312 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
313
314 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
315 int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567);
316 #else
317 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
318 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
319 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
320 int16x8_t vacc3x01234567 = vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567));
321
322 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
323 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
324 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
325 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
326
327 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
328 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567));
329 #endif
330
331 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
332 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
333 vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min);
334
335 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
336 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
337 vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max);
338
339 if (nc >= 8) {
340 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
341 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
342 vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567));
343 vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567));
344
345 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
346 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
347 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
348 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
349
350 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
351 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
352 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
353 a3 = (const int8_t*) ((uintptr_t) a3 - kc);
354
355 nc -= 8;
356 } else {
357 // Final case where not all of the 8 columns fit in the destination.
358 if (nc & 4) {
359 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
360 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
361 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
362 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
363 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
364 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
365 }
366 if (nc & 2) {
367 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
368 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
369 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
370 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
371 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
372 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
373 }
374 if (nc & 1) {
375 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
376 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
377 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
378 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
379 }
380
381 nc = 0;
382 }
383 } while (nc != 0);
384 }
385