1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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_gemm_minmax_rndnu_ukernel_3x8c4s2__neon_mlal(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)])18 void xnn_qs8_gemm_minmax_rndnu_ukernel_3x8c4s2__neon_mlal(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30 assert(mr != 0);
31 assert(mr <= 3);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
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
54 kc = round_up_po2(kc, 8 * sizeof(int8_t));
55 do {
56 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
57 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
58 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
59 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
60 int32x4_t vacc1x01 = vacc0x01;
61 int32x4_t vacc1x23 = vacc0x23;
62 int32x4_t vacc1x45 = vacc0x45;
63 int32x4_t vacc1x67 = vacc0x67;
64 int32x4_t vacc2x01 = vacc0x01;
65 int32x4_t vacc2x23 = vacc0x23;
66 int32x4_t vacc2x45 = vacc0x45;
67 int32x4_t vacc2x67 = vacc0x67;
68
69 size_t k = kc;
70 while (k >= 16 * sizeof(int8_t)) {
71 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
72 int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
73 int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
74 int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
75 int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
76 int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
77
78 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
79 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
80 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
81 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
82 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
83 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
84 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
85 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
86
87 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0x0);
88 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1x0);
89 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2x0);
90 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
91 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0x1);
92 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1x1);
93 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2x1);
94 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
95 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
96 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
97 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0x0);
98 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1x0);
99 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2x0);
100 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
101 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0x1);
102 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1x1);
103 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2x1);
104 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
105 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
106 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
107 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0x0);
108 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1x0);
109 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2x0);
110 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
111 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0x1);
112 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1x1);
113 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2x1);
114 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
115 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
116 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
117 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0x0);
118 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1x0);
119 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2x0);
120 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
121 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0x1);
122 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1x1);
123 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2x1);
124 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
125 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
126 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
127 va0x0 = vext_s8(va0x0, va0x0, 4);
128 va0x1 = vext_s8(va0x1, va0x1, 4);
129 va1x0 = vext_s8(va1x0, va1x0, 4);
130 va1x1 = vext_s8(va1x1, va1x1, 4);
131 va2x0 = vext_s8(va2x0, va2x0, 4);
132 va2x1 = vext_s8(va2x1, va2x1, 4);
133 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0x0);
134 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1x0);
135 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2x0);
136 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
137 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0x1);
138 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1x1);
139 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2x1);
140 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
141 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
142 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
143 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0x0);
144 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1x0);
145 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2x0);
146 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
147 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0x1);
148 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1x1);
149 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2x1);
150 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
151 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
152 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
153 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0x0);
154 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1x0);
155 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2x0);
156 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
157 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0x1);
158 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1x1);
159 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2x1);
160 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
161 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
162 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
163 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0x0);
164 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1x0);
165 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2x0);
166 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
167 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0x1);
168 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1x1);
169 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2x1);
170 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
171 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
172 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
173
174 k -= 16 * sizeof(int8_t);
175 }
176 if (k != 0) {
177 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
178 int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
179 int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
180
181 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
182 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
183 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
184 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
185 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
186 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
187 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
188 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
189
190 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0x0);
191 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1x0);
192 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2x0);
193 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
194 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
195 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
196 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0x0);
197 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1x0);
198 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2x0);
199 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
200 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
201 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
202 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0x0);
203 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1x0);
204 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2x0);
205 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
206 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
207 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
208 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0x0);
209 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1x0);
210 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2x0);
211 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
212 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
213 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
214 va0x0 = vext_s8(va0x0, va0x0, 4);
215 va1x0 = vext_s8(va1x0, va1x0, 4);
216 va2x0 = vext_s8(va2x0, va2x0, 4);
217 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0x0);
218 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1x0);
219 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2x0);
220 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
221 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
222 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
223 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0x0);
224 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1x0);
225 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2x0);
226 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
227 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
228 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
229 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0x0);
230 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1x0);
231 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2x0);
232 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
233 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
234 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
235 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0x0);
236 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1x0);
237 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2x0);
238 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
239 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
240 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
241
242 }
243
244 #if XNN_ARCH_ARM64
245 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
246 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
247 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
248 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
249 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
250 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
251 #else
252 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
253 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
254 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
255 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
256 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
257 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
258 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
259 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
260 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
261 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
262 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
263 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
264 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
265 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
266 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
267 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
268 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
269 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
270 #endif
271
272 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
273 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
274 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
275
276 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
277 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
278 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
279 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
280 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
281 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
282
283 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
284 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
285 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
286 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
287 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
288 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
289
290 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
291 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
292 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
293 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
294 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
295 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
296
297 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
298 #if XNN_ARCH_ARM64
299 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
300 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
301 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
302
303 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
304 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
305 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
306
307 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
308 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
309 #else
310 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
311 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
312 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
313
314 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
315 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
316 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
317
318 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
319 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
320 #endif
321
322 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
323 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
324 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
325
326 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
327 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
328 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
329
330 if (nc >= 8) {
331 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
332 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
333 vst1_s8(c2 + 0, vout2x01234567);
334
335 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
336 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
337 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
338
339 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
340 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
341 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
342
343 nc -= 8;
344 } else {
345 // Final case where not all of the 8 columns fit in the destination.
346 if (nc & 4) {
347 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
348 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
349 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
350 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
351 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
352 }
353 if (nc & 2) {
354 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
355 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
356 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
357 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
358 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
359 }
360 if (nc & 1) {
361 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
362 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
363 vst1_lane_s8(c2, vout2x01234567, 0);
364 }
365
366 nc = 0;
367 }
368 } while (nc != 0);
369 }
370