1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c2-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_3x8c2s4__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_3x8c2s4__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 vacc0x0123 = vld1q_s32(w); w = (const int32_t*) w + 4;
57 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const int32_t*) w + 4;
58 int32x4_t vacc1x0123 = vacc0x0123;
59 int32x4_t vacc1x4567 = vacc0x4567;
60 int32x4_t vacc2x0123 = vacc0x0123;
61 int32x4_t vacc2x4567 = vacc0x4567;
62
63 size_t k = kc;
64 while (k >= 16 * sizeof(int8_t)) {
65 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
66 int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
67 int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
68 int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
69 int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
70 int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
71
72 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
73 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
74 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
75 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
76 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
77 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
78 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
79 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
80
81 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
82 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1x0);
83 int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0x0, va2x0);
84 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
85 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0x1);
86 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1x1);
87 vprod2x0123c0 = vmlal_s8(vprod2x0123c0, vb0123c0x1, va2x1);
88 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
89 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
90 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
91 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
92 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1x0);
93 int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0x0, va2x0);
94 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
95 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0x1);
96 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1x1);
97 vprod2x4567c0 = vmlal_s8(vprod2x4567c0, vb4567c0x1, va2x1);
98 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
99 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
100 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
101 va0x0 = vext_s8(va0x0, va0x0, 2);
102 va0x1 = vext_s8(va0x1, va0x1, 2);
103 va1x0 = vext_s8(va1x0, va1x0, 2);
104 va1x1 = vext_s8(va1x1, va1x1, 2);
105 va2x0 = vext_s8(va2x0, va2x0, 2);
106 va2x1 = vext_s8(va2x1, va2x1, 2);
107 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
108 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1x0);
109 int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1x0, va2x0);
110 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
111 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0x1);
112 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1x1);
113 vprod2x0123c1 = vmlal_s8(vprod2x0123c1, vb0123c1x1, va2x1);
114 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
115 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
116 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
117 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
118 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1x0);
119 int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1x0, va2x0);
120 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
121 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0x1);
122 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1x1);
123 vprod2x4567c1 = vmlal_s8(vprod2x4567c1, vb4567c1x1, va2x1);
124 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
125 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
126 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
127 va0x0 = vext_s8(va0x0, va0x0, 2);
128 va0x1 = vext_s8(va0x1, va0x1, 2);
129 va1x0 = vext_s8(va1x0, va1x0, 2);
130 va1x1 = vext_s8(va1x1, va1x1, 2);
131 va2x0 = vext_s8(va2x0, va2x0, 2);
132 va2x1 = vext_s8(va2x1, va2x1, 2);
133 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
134 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1x0);
135 int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2x0, va2x0);
136 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const int8_t*) w + 8;
137 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0x1);
138 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1x1);
139 vprod2x0123c2 = vmlal_s8(vprod2x0123c2, vb0123c2x1, va2x1);
140 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
141 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
142 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
143 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
144 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1x0);
145 int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2x0, va2x0);
146 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const int8_t*) w + 8;
147 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0x1);
148 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1x1);
149 vprod2x4567c2 = vmlal_s8(vprod2x4567c2, vb4567c2x1, va2x1);
150 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
151 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
152 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
153 va0x0 = vext_s8(va0x0, va0x0, 2);
154 va0x1 = vext_s8(va0x1, va0x1, 2);
155 va1x0 = vext_s8(va1x0, va1x0, 2);
156 va1x1 = vext_s8(va1x1, va1x1, 2);
157 va2x0 = vext_s8(va2x0, va2x0, 2);
158 va2x1 = vext_s8(va2x1, va2x1, 2);
159 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
160 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1x0);
161 int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3x0, va2x0);
162 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const int8_t*) w + 8;
163 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0x1);
164 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1x1);
165 vprod2x0123c3 = vmlal_s8(vprod2x0123c3, vb0123c3x1, va2x1);
166 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
167 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
168 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
169 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
170 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1x0);
171 int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3x0, va2x0);
172 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const int8_t*) w + 8;
173 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0x1);
174 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1x1);
175 vprod2x4567c3 = vmlal_s8(vprod2x4567c3, vb4567c3x1, va2x1);
176 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
177 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
178 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
179
180 k -= 16 * sizeof(int8_t);
181 }
182 if (k != 0) {
183 int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
184 int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
185 int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
186
187 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
188 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
189 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
190 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
191 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
192 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const int8_t*) w + 8;
193 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
194 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const int8_t*) w + 8;
195
196 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0x0);
197 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1x0);
198 int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0x0, va2x0);
199 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
200 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
201 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
202 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0x0);
203 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1x0);
204 int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0x0, va2x0);
205 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
206 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
207 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
208 va0x0 = vext_s8(va0x0, va0x0, 2);
209 va1x0 = vext_s8(va1x0, va1x0, 2);
210 va2x0 = vext_s8(va2x0, va2x0, 2);
211 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0x0);
212 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1x0);
213 int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1x0, va2x0);
214 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
215 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
216 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
217 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0x0);
218 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1x0);
219 int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1x0, va2x0);
220 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
221 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
222 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
223 va0x0 = vext_s8(va0x0, va0x0, 2);
224 va1x0 = vext_s8(va1x0, va1x0, 2);
225 va2x0 = vext_s8(va2x0, va2x0, 2);
226 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0x0);
227 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1x0);
228 int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2x0, va2x0);
229 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
230 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
231 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
232 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0x0);
233 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1x0);
234 int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2x0, va2x0);
235 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
236 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
237 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
238 va0x0 = vext_s8(va0x0, va0x0, 2);
239 va1x0 = vext_s8(va1x0, va1x0, 2);
240 va2x0 = vext_s8(va2x0, va2x0, 2);
241 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0x0);
242 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1x0);
243 int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3x0, va2x0);
244 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
245 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
246 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
247 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0x0);
248 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1x0);
249 int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3x0, va2x0);
250 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
251 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
252 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
253
254 }
255
256 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
257 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
258 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
259
260 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
261 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
262 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
263 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
264 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
265 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
266
267 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
268 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
269 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
270 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
271 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
272 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
273
274 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
275 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
276 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
277 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
278 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
279 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
280
281 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
282 #if XNN_ARCH_ARM64
283 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
284 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
285 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
286
287 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
288 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
289 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
290
291 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
292 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
293 #else
294 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
295 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
296 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
297
298 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
299 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
300 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
301
302 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
303 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
304 #endif
305
306 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
307 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
308 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
309
310 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
311 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
312 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
313
314 if (nc >= 8) {
315 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
316 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
317 vst1_s8(c2 + 0, vout2x01234567);
318
319 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
320 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
321 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
322
323 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
324 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
325 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
326
327 nc -= 8;
328 } else {
329 // Final case where not all of the 8 columns fit in the destination.
330 if (nc & 4) {
331 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
332 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
333 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
334 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
335 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
336 }
337 if (nc & 2) {
338 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
339 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
340 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
341 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
342 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
343 }
344 if (nc & 1) {
345 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
346 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
347 vst1_lane_s8(c2, vout2x01234567, 0);
348 }
349
350 nc = 0;
351 }
352 } while (nc != 0);
353 }
354