1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-neon-mull-shuffle.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_3x8c4s2__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_3x8c4s2__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 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
53 kc = round_up_po2(kc, 8 * sizeof(int8_t));
54 do {
55 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
56 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
57 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
58 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
59 int32x4_t vacc1x01 = vacc0x01;
60 int32x4_t vacc1x23 = vacc0x23;
61 int32x4_t vacc1x45 = vacc0x45;
62 int32x4_t vacc1x67 = vacc0x67;
63 int32x4_t vacc2x01 = vacc0x01;
64 int32x4_t vacc2x23 = vacc0x23;
65 int32x4_t vacc2x45 = vacc0x45;
66 int32x4_t vacc2x67 = vacc0x67;
67
68 size_t p = ks;
69 do {
70 const int8_t* restrict a0 = a[0];
71 if XNN_UNPREDICTABLE(a0 != zero) {
72 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
73 }
74 const int8_t* restrict a1 = a[1];
75 if XNN_UNPREDICTABLE(a1 != zero) {
76 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
77 }
78 const int8_t* restrict a2 = a[2];
79 if XNN_UNPREDICTABLE(a2 != zero) {
80 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
81 }
82 a += 3;
83
84 size_t k = kc;
85 while (k >= 16 * sizeof(int8_t)) {
86 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
87 int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
88 int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
89 int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
90 int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
91 int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
92
93 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
94 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
95 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
96 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
97 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
98 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
99 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
100 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
101
102 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0x0);
103 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1x0);
104 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2x0);
105 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
106 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0x1);
107 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1x1);
108 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2x1);
109 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
110 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
111 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
112 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0x0);
113 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1x0);
114 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2x0);
115 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
116 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0x1);
117 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1x1);
118 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2x1);
119 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
120 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
121 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
122 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0x0);
123 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1x0);
124 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2x0);
125 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
126 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0x1);
127 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1x1);
128 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2x1);
129 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
130 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
131 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
132 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0x0);
133 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1x0);
134 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2x0);
135 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
136 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0x1);
137 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1x1);
138 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2x1);
139 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
140 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
141 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
142 va0x0 = vext_s8(va0x0, va0x0, 4);
143 va0x1 = vext_s8(va0x1, va0x1, 4);
144 va1x0 = vext_s8(va1x0, va1x0, 4);
145 va1x1 = vext_s8(va1x1, va1x1, 4);
146 va2x0 = vext_s8(va2x0, va2x0, 4);
147 va2x1 = vext_s8(va2x1, va2x1, 4);
148 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0x0);
149 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1x0);
150 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2x0);
151 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
152 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0x1);
153 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1x1);
154 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2x1);
155 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
156 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
157 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
158 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0x0);
159 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1x0);
160 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2x0);
161 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
162 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0x1);
163 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1x1);
164 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2x1);
165 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
166 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
167 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
168 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0x0);
169 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1x0);
170 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2x0);
171 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
172 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0x1);
173 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1x1);
174 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2x1);
175 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
176 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
177 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
178 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0x0);
179 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1x0);
180 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2x0);
181 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
182 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0x1);
183 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1x1);
184 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2x1);
185 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
186 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
187 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
188
189 k -= 16 * sizeof(int8_t);
190 }
191 if (k != 0) {
192 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
193 int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
194 int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
195
196 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
197 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
198 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
199 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
200 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
201 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
202 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
203 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
204
205 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0x0);
206 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1x0);
207 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2x0);
208 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
209 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
210 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
211 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0x0);
212 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1x0);
213 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2x0);
214 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
215 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
216 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
217 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0x0);
218 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1x0);
219 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2x0);
220 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
221 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
222 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
223 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0x0);
224 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1x0);
225 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2x0);
226 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
227 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
228 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
229 va0x0 = vext_s8(va0x0, va0x0, 4);
230 va1x0 = vext_s8(va1x0, va1x0, 4);
231 va2x0 = vext_s8(va2x0, va2x0, 4);
232 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0x0);
233 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1x0);
234 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2x0);
235 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
236 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
237 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
238 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0x0);
239 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1x0);
240 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2x0);
241 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
242 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
243 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
244 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0x0);
245 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1x0);
246 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2x0);
247 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
248 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
249 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
250 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0x0);
251 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1x0);
252 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2x0);
253 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
254 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
255 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
256
257 }
258
259 p -= 3 * sizeof(void*);
260 } while (p != 0);
261
262 #if XNN_ARCH_ARM64
263 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
264 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
265 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
266 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
267 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
268 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
269 #else
270 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
271 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
272 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
273 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
274 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
275 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
276 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
277 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
278 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
279 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
280 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
281 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
282 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
283 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
284 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
285 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
286 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
287 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
288 #endif
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
301 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
302 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
303 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
304 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
305 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
306 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
307
308 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
309 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
310 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
311 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
312 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
313 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
314
315 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
316 #if XNN_ARCH_ARM64
317 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
318 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
319 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
320
321 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
322 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
323 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
324
325 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
326 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
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
332 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
333 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
334 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
335
336 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
337 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
338 #endif
339
340 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
341 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
342 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
343
344 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
345 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
346 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
347
348 if (nc >= 8) {
349 vst1_s8(c2 + 0, vout2x01234567);
350 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
351 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
352
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 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
363 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
364 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
365 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
366 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
367 }
368 if (nc & 2) {
369 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
370 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
371 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
372 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
373 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
374 }
375 if (nc & 1) {
376 vst1_lane_s8(c2, vout2x01234567, 0);
377 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
378 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
379 }
380
381 nc = 0;
382 }
383 } while (nc != 0);
384 }
385