1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-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
17
xnn_qs8_igemm_minmax_rndnu_ukernel_4x16c4__neon_mlal_ld1r(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_4x16c4__neon_mlal_ld1r(
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 <= 4);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (4 * 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 kc = round_up_po2(kc, 4 * sizeof(int8_t));
44 int8_t* c0 = c;
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 c1 = c0;
48 }
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 c2 = c1;
52 }
53 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
54 if XNN_UNPREDICTABLE(mr != 4) {
55 c3 = c2;
56 }
57
58 do {
59 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
60 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
61 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
62 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
63 int32x4_t vacc0x89 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
64 int32x4_t vacc0xAB = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
65 int32x4_t vacc0xCD = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
66 int32x4_t vacc0xEF = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
67 int32x4_t vacc1x01 = vacc0x01;
68 int32x4_t vacc1x23 = vacc0x23;
69 int32x4_t vacc1x45 = vacc0x45;
70 int32x4_t vacc1x67 = vacc0x67;
71 int32x4_t vacc1x89 = vacc0x89;
72 int32x4_t vacc1xAB = vacc0xAB;
73 int32x4_t vacc1xCD = vacc0xCD;
74 int32x4_t vacc1xEF = vacc0xEF;
75 int32x4_t vacc2x01 = vacc0x01;
76 int32x4_t vacc2x23 = vacc0x23;
77 int32x4_t vacc2x45 = vacc0x45;
78 int32x4_t vacc2x67 = vacc0x67;
79 int32x4_t vacc2x89 = vacc0x89;
80 int32x4_t vacc2xAB = vacc0xAB;
81 int32x4_t vacc2xCD = vacc0xCD;
82 int32x4_t vacc2xEF = vacc0xEF;
83 int32x4_t vacc3x01 = vacc0x01;
84 int32x4_t vacc3x23 = vacc0x23;
85 int32x4_t vacc3x45 = vacc0x45;
86 int32x4_t vacc3x67 = vacc0x67;
87 int32x4_t vacc3x89 = vacc0x89;
88 int32x4_t vacc3xAB = vacc0xAB;
89 int32x4_t vacc3xCD = vacc0xCD;
90 int32x4_t vacc3xEF = vacc0xEF;
91
92 size_t p = ks;
93 do {
94 const int8_t* restrict a0 = a[0];
95 if XNN_UNPREDICTABLE(a0 != zero) {
96 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
97 }
98 const int8_t* restrict a1 = a[1];
99 if XNN_UNPREDICTABLE(a1 != zero) {
100 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
101 }
102 const int8_t* restrict a2 = a[2];
103 if XNN_UNPREDICTABLE(a2 != zero) {
104 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
105 }
106 const int8_t* restrict a3 = a[3];
107 if XNN_UNPREDICTABLE(a3 != zero) {
108 a3 = (const int8_t*) ((uintptr_t) a3 + a_offset);
109 }
110 a += 4;
111
112 size_t k = kc;
113
114 while (k >= 16 * sizeof(int8_t)) {
115 const int32x2_t va00x0 = vld1_dup_s32((const void*)a0);
116 const int32x2_t va01x0 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
117 const int32x2_t va00x1 = vld1_dup_s32((const void*)a0);
118 const int32x2_t va01x1 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
119 const int32x2_t va10x0 = vld1_dup_s32((const void*)a1);
120 const int32x2_t va11x0 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
121 const int32x2_t va10x1 = vld1_dup_s32((const void*)a1);
122 const int32x2_t va11x1 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
123 const int32x2_t va20x0 = vld1_dup_s32((const void*)a2);
124 const int32x2_t va21x0 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
125 const int32x2_t va20x1 = vld1_dup_s32((const void*)a2);
126 const int32x2_t va21x1 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
127 const int32x2_t va30x0 = vld1_dup_s32((const void*)a3);
128 const int32x2_t va31x0 = vld1_dup_s32((const void*)(a3 + 4)); a3 += 8;
129 const int32x2_t va30x1 = vld1_dup_s32((const void*)a3);
130 const int32x2_t va31x1 = vld1_dup_s32((const void*)(a3 + 4)); a3 += 8;
131
132 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
133 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
134 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
135 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
136 const int8x8_t vb89c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
137 const int8x8_t vbABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
138 const int8x8_t vbCDc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 const int8x8_t vbEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
140 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
141 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
142 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
143 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
144 const int8x8_t vb89c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
145 const int8x8_t vbABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
146 const int8x8_t vbCDc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
147 const int8x8_t vbEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
148
149 const int8x8_t va0c0x0 = vreinterpret_s8_s32(va00x0);
150 const int8x8_t va0c0x1 = vreinterpret_s8_s32(va00x1);
151 const int8x8_t va1c0x0 = vreinterpret_s8_s32(va10x0);
152 const int8x8_t va1c0x1 = vreinterpret_s8_s32(va10x1);
153 const int8x8_t va2c0x0 = vreinterpret_s8_s32(va20x0);
154 const int8x8_t va2c0x1 = vreinterpret_s8_s32(va20x1);
155 const int8x8_t va3c0x0 = vreinterpret_s8_s32(va30x0);
156 const int8x8_t va3c0x1 = vreinterpret_s8_s32(va30x1);
157
158 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
159 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
160 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2c0x0);
161 int16x8_t vprod3x01c0 = vmull_s8(vb01c0x0, va3c0x0);
162 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
163 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
164 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
165 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2c0x1);
166 vprod3x01c0 = vmlal_s8(vprod3x01c0, vb01c0x1, va3c0x1);
167 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
168 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
169 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
170 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c0);
171 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
172 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
173 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2c0x0);
174 int16x8_t vprod3x23c0 = vmull_s8(vb23c0x0, va3c0x0);
175 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
177 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
178 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2c0x1);
179 vprod3x23c0 = vmlal_s8(vprod3x23c0, vb23c0x1, va3c0x1);
180 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
181 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
182 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
183 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c0);
184 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
185 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
186 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2c0x0);
187 int16x8_t vprod3x45c0 = vmull_s8(vb45c0x0, va3c0x0);
188 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
189 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
190 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
191 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2c0x1);
192 vprod3x45c0 = vmlal_s8(vprod3x45c0, vb45c0x1, va3c0x1);
193 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
194 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
195 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
196 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c0);
197 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
198 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
199 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2c0x0);
200 int16x8_t vprod3x67c0 = vmull_s8(vb67c0x0, va3c0x0);
201 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
202 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
203 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
204 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2c0x1);
205 vprod3x67c0 = vmlal_s8(vprod3x67c0, vb67c0x1, va3c0x1);
206 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
207 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
208 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
209 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c0);
210 int16x8_t vprod0x89c0 = vmull_s8(vb89c0x0, va0c0x0);
211 int16x8_t vprod1x89c0 = vmull_s8(vb89c0x0, va1c0x0);
212 int16x8_t vprod2x89c0 = vmull_s8(vb89c0x0, va2c0x0);
213 int16x8_t vprod3x89c0 = vmull_s8(vb89c0x0, va3c0x0);
214 const int8x8_t vb89c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
215 vprod0x89c0 = vmlal_s8(vprod0x89c0, vb89c0x1, va0c0x1);
216 vprod1x89c0 = vmlal_s8(vprod1x89c0, vb89c0x1, va1c0x1);
217 vprod2x89c0 = vmlal_s8(vprod2x89c0, vb89c0x1, va2c0x1);
218 vprod3x89c0 = vmlal_s8(vprod3x89c0, vb89c0x1, va3c0x1);
219 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
220 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
221 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
222 vacc3x89 = vpadalq_s16(vacc3x89, vprod3x89c0);
223 int16x8_t vprod0xABc0 = vmull_s8(vbABc0x0, va0c0x0);
224 int16x8_t vprod1xABc0 = vmull_s8(vbABc0x0, va1c0x0);
225 int16x8_t vprod2xABc0 = vmull_s8(vbABc0x0, va2c0x0);
226 int16x8_t vprod3xABc0 = vmull_s8(vbABc0x0, va3c0x0);
227 const int8x8_t vbABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
228 vprod0xABc0 = vmlal_s8(vprod0xABc0, vbABc0x1, va0c0x1);
229 vprod1xABc0 = vmlal_s8(vprod1xABc0, vbABc0x1, va1c0x1);
230 vprod2xABc0 = vmlal_s8(vprod2xABc0, vbABc0x1, va2c0x1);
231 vprod3xABc0 = vmlal_s8(vprod3xABc0, vbABc0x1, va3c0x1);
232 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
233 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
234 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
235 vacc3xAB = vpadalq_s16(vacc3xAB, vprod3xABc0);
236 int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0x0, va0c0x0);
237 int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0x0, va1c0x0);
238 int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0x0, va2c0x0);
239 int16x8_t vprod3xCDc0 = vmull_s8(vbCDc0x0, va3c0x0);
240 const int8x8_t vbCDc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
241 vprod0xCDc0 = vmlal_s8(vprod0xCDc0, vbCDc0x1, va0c0x1);
242 vprod1xCDc0 = vmlal_s8(vprod1xCDc0, vbCDc0x1, va1c0x1);
243 vprod2xCDc0 = vmlal_s8(vprod2xCDc0, vbCDc0x1, va2c0x1);
244 vprod3xCDc0 = vmlal_s8(vprod3xCDc0, vbCDc0x1, va3c0x1);
245 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
246 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
247 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
248 vacc3xCD = vpadalq_s16(vacc3xCD, vprod3xCDc0);
249 int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0x0, va0c0x0);
250 int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0x0, va1c0x0);
251 int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0x0, va2c0x0);
252 int16x8_t vprod3xEFc0 = vmull_s8(vbEFc0x0, va3c0x0);
253 const int8x8_t vbEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
254 vprod0xEFc0 = vmlal_s8(vprod0xEFc0, vbEFc0x1, va0c0x1);
255 vprod1xEFc0 = vmlal_s8(vprod1xEFc0, vbEFc0x1, va1c0x1);
256 vprod2xEFc0 = vmlal_s8(vprod2xEFc0, vbEFc0x1, va2c0x1);
257 vprod3xEFc0 = vmlal_s8(vprod3xEFc0, vbEFc0x1, va3c0x1);
258 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
259 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
260 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
261 vacc3xEF = vpadalq_s16(vacc3xEF, vprod3xEFc0);
262 const int8x8_t va0c1x0 = vreinterpret_s8_s32(va01x0);
263 const int8x8_t va0c1x1 = vreinterpret_s8_s32(va01x1);
264 const int8x8_t va1c1x0 = vreinterpret_s8_s32(va11x0);
265 const int8x8_t va1c1x1 = vreinterpret_s8_s32(va11x1);
266 const int8x8_t va2c1x0 = vreinterpret_s8_s32(va21x0);
267 const int8x8_t va2c1x1 = vreinterpret_s8_s32(va21x1);
268 const int8x8_t va3c1x0 = vreinterpret_s8_s32(va31x0);
269 const int8x8_t va3c1x1 = vreinterpret_s8_s32(va31x1);
270
271 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
272 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
273 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2c1x0);
274 int16x8_t vprod3x01c1 = vmull_s8(vb01c1x0, va3c1x0);
275 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
276 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
277 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
278 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2c1x1);
279 vprod3x01c1 = vmlal_s8(vprod3x01c1, vb01c1x1, va3c1x1);
280 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
281 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
282 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
283 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c1);
284 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
285 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
286 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2c1x0);
287 int16x8_t vprod3x23c1 = vmull_s8(vb23c1x0, va3c1x0);
288 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
289 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
290 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
291 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2c1x1);
292 vprod3x23c1 = vmlal_s8(vprod3x23c1, vb23c1x1, va3c1x1);
293 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
294 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
295 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
296 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c1);
297 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
298 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
299 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2c1x0);
300 int16x8_t vprod3x45c1 = vmull_s8(vb45c1x0, va3c1x0);
301 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
302 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
303 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
304 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2c1x1);
305 vprod3x45c1 = vmlal_s8(vprod3x45c1, vb45c1x1, va3c1x1);
306 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
307 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
308 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
309 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c1);
310 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
311 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
312 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2c1x0);
313 int16x8_t vprod3x67c1 = vmull_s8(vb67c1x0, va3c1x0);
314 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
315 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
316 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
317 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2c1x1);
318 vprod3x67c1 = vmlal_s8(vprod3x67c1, vb67c1x1, va3c1x1);
319 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
320 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
321 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
322 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c1);
323 int16x8_t vprod0x89c1 = vmull_s8(vb89c1x0, va0c1x0);
324 int16x8_t vprod1x89c1 = vmull_s8(vb89c1x0, va1c1x0);
325 int16x8_t vprod2x89c1 = vmull_s8(vb89c1x0, va2c1x0);
326 int16x8_t vprod3x89c1 = vmull_s8(vb89c1x0, va3c1x0);
327 const int8x8_t vb89c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
328 vprod0x89c1 = vmlal_s8(vprod0x89c1, vb89c1x1, va0c1x1);
329 vprod1x89c1 = vmlal_s8(vprod1x89c1, vb89c1x1, va1c1x1);
330 vprod2x89c1 = vmlal_s8(vprod2x89c1, vb89c1x1, va2c1x1);
331 vprod3x89c1 = vmlal_s8(vprod3x89c1, vb89c1x1, va3c1x1);
332 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
333 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
334 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
335 vacc3x89 = vpadalq_s16(vacc3x89, vprod3x89c1);
336 int16x8_t vprod0xABc1 = vmull_s8(vbABc1x0, va0c1x0);
337 int16x8_t vprod1xABc1 = vmull_s8(vbABc1x0, va1c1x0);
338 int16x8_t vprod2xABc1 = vmull_s8(vbABc1x0, va2c1x0);
339 int16x8_t vprod3xABc1 = vmull_s8(vbABc1x0, va3c1x0);
340 const int8x8_t vbABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
341 vprod0xABc1 = vmlal_s8(vprod0xABc1, vbABc1x1, va0c1x1);
342 vprod1xABc1 = vmlal_s8(vprod1xABc1, vbABc1x1, va1c1x1);
343 vprod2xABc1 = vmlal_s8(vprod2xABc1, vbABc1x1, va2c1x1);
344 vprod3xABc1 = vmlal_s8(vprod3xABc1, vbABc1x1, va3c1x1);
345 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
346 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
347 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
348 vacc3xAB = vpadalq_s16(vacc3xAB, vprod3xABc1);
349 int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1x0, va0c1x0);
350 int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1x0, va1c1x0);
351 int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1x0, va2c1x0);
352 int16x8_t vprod3xCDc1 = vmull_s8(vbCDc1x0, va3c1x0);
353 const int8x8_t vbCDc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
354 vprod0xCDc1 = vmlal_s8(vprod0xCDc1, vbCDc1x1, va0c1x1);
355 vprod1xCDc1 = vmlal_s8(vprod1xCDc1, vbCDc1x1, va1c1x1);
356 vprod2xCDc1 = vmlal_s8(vprod2xCDc1, vbCDc1x1, va2c1x1);
357 vprod3xCDc1 = vmlal_s8(vprod3xCDc1, vbCDc1x1, va3c1x1);
358 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
359 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
360 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
361 vacc3xCD = vpadalq_s16(vacc3xCD, vprod3xCDc1);
362 int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1x0, va0c1x0);
363 int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1x0, va1c1x0);
364 int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1x0, va2c1x0);
365 int16x8_t vprod3xEFc1 = vmull_s8(vbEFc1x0, va3c1x0);
366 const int8x8_t vbEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
367 vprod0xEFc1 = vmlal_s8(vprod0xEFc1, vbEFc1x1, va0c1x1);
368 vprod1xEFc1 = vmlal_s8(vprod1xEFc1, vbEFc1x1, va1c1x1);
369 vprod2xEFc1 = vmlal_s8(vprod2xEFc1, vbEFc1x1, va2c1x1);
370 vprod3xEFc1 = vmlal_s8(vprod3xEFc1, vbEFc1x1, va3c1x1);
371 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
372 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
373 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
374 vacc3xEF = vpadalq_s16(vacc3xEF, vprod3xEFc1);
375
376 k -= 16 * sizeof(int8_t);
377 }
378
379 if (k >= 8 * sizeof(int8_t)) {
380 const int32x2_t va00 = vld1_dup_s32((const void*)a0);
381 const int32x2_t va01 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
382 const int32x2_t va10 = vld1_dup_s32((const void*)a1);
383 const int32x2_t va11 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
384 const int32x2_t va20 = vld1_dup_s32((const void*)a2);
385 const int32x2_t va21 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
386 const int32x2_t va30 = vld1_dup_s32((const void*)a3);
387 const int32x2_t va31 = vld1_dup_s32((const void*)(a3 + 4)); a3 += 8;
388
389 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
390 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
391 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
392 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
393 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
394 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
395 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
396 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
397 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
398 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
399 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
400 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
401 const int8x8_t vb89c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
402 const int8x8_t vbABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
403 const int8x8_t vbCDc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
404 const int8x8_t vbEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
405
406 const int8x8_t va0c0 = vreinterpret_s8_s32(va00);
407 const int8x8_t va1c0 = vreinterpret_s8_s32(va10);
408 const int8x8_t va2c0 = vreinterpret_s8_s32(va20);
409 const int8x8_t va3c0 = vreinterpret_s8_s32(va30);
410
411 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
412 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
413 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
414 const int16x8_t vprod3x01c0 = vmull_s8(vb01c0, va3c0);
415 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
416 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
417 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
418 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c0);
419 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
420 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
421 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
422 const int16x8_t vprod3x23c0 = vmull_s8(vb23c0, va3c0);
423 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
424 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
425 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
426 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c0);
427 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
428 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
429 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
430 const int16x8_t vprod3x45c0 = vmull_s8(vb45c0, va3c0);
431 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
432 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
433 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
434 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c0);
435 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
436 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
437 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
438 const int16x8_t vprod3x67c0 = vmull_s8(vb67c0, va3c0);
439 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
440 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
441 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
442 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c0);
443 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
444 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
445 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
446 const int16x8_t vprod3x89c0 = vmull_s8(vb89c0, va3c0);
447 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
448 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
449 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
450 vacc3x89 = vpadalq_s16(vacc3x89, vprod3x89c0);
451 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
452 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
453 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
454 const int16x8_t vprod3xABc0 = vmull_s8(vbABc0, va3c0);
455 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
456 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
457 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
458 vacc3xAB = vpadalq_s16(vacc3xAB, vprod3xABc0);
459 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
460 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
461 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
462 const int16x8_t vprod3xCDc0 = vmull_s8(vbCDc0, va3c0);
463 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
464 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
465 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
466 vacc3xCD = vpadalq_s16(vacc3xCD, vprod3xCDc0);
467 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
468 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
469 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
470 const int16x8_t vprod3xEFc0 = vmull_s8(vbEFc0, va3c0);
471 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
472 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
473 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
474 vacc3xEF = vpadalq_s16(vacc3xEF, vprod3xEFc0);
475 const int8x8_t va0c1 = vreinterpret_s8_s32(va01);
476 const int8x8_t va1c1 = vreinterpret_s8_s32(va11);
477 const int8x8_t va2c1 = vreinterpret_s8_s32(va21);
478 const int8x8_t va3c1 = vreinterpret_s8_s32(va31);
479
480 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
481 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
482 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
483 const int16x8_t vprod3x01c1 = vmull_s8(vb01c1, va3c1);
484 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
485 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
486 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
487 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c1);
488 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
489 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
490 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
491 const int16x8_t vprod3x23c1 = vmull_s8(vb23c1, va3c1);
492 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
493 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
494 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
495 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c1);
496 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
497 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
498 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
499 const int16x8_t vprod3x45c1 = vmull_s8(vb45c1, va3c1);
500 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
501 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
502 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
503 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c1);
504 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
505 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
506 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
507 const int16x8_t vprod3x67c1 = vmull_s8(vb67c1, va3c1);
508 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
509 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
510 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
511 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c1);
512 const int16x8_t vprod0x89c1 = vmull_s8(vb89c1, va0c1);
513 const int16x8_t vprod1x89c1 = vmull_s8(vb89c1, va1c1);
514 const int16x8_t vprod2x89c1 = vmull_s8(vb89c1, va2c1);
515 const int16x8_t vprod3x89c1 = vmull_s8(vb89c1, va3c1);
516 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
517 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
518 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
519 vacc3x89 = vpadalq_s16(vacc3x89, vprod3x89c1);
520 const int16x8_t vprod0xABc1 = vmull_s8(vbABc1, va0c1);
521 const int16x8_t vprod1xABc1 = vmull_s8(vbABc1, va1c1);
522 const int16x8_t vprod2xABc1 = vmull_s8(vbABc1, va2c1);
523 const int16x8_t vprod3xABc1 = vmull_s8(vbABc1, va3c1);
524 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
525 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
526 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
527 vacc3xAB = vpadalq_s16(vacc3xAB, vprod3xABc1);
528 const int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1, va0c1);
529 const int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1, va1c1);
530 const int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1, va2c1);
531 const int16x8_t vprod3xCDc1 = vmull_s8(vbCDc1, va3c1);
532 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
533 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
534 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
535 vacc3xCD = vpadalq_s16(vacc3xCD, vprod3xCDc1);
536 const int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1, va0c1);
537 const int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1, va1c1);
538 const int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1, va2c1);
539 const int16x8_t vprod3xEFc1 = vmull_s8(vbEFc1, va3c1);
540 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
541 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
542 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
543 vacc3xEF = vpadalq_s16(vacc3xEF, vprod3xEFc1);
544
545 k -= 8 * sizeof(int8_t);
546 }
547
548 if XNN_UNLIKELY(k != 0) {
549 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
550 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
551 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
552 const int8x8_t va3 = vld1_s8(a3); a3 = (const int8_t*) ((uintptr_t) a3 + k);
553
554 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
555 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
556 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
557 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
558 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
559 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
560 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
561 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
562
563 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
564 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
565 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
566 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
567 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
568 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
569 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
570 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
571 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
572 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
573 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
574 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
575 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
576 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
577 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
578 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
579 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
580 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
581 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
582 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
583 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
584 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
585 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
586 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
587 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
588 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
589 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
590 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
591 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
592 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
593 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
594 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
595 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
596 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
597 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
598 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
599 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
600 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
601 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
602 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
603 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
604 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
605 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
606 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
607 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
608 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
609 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
610 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
611 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
612 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
613 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
614 const int8x8_t va3c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va3), 0));
615 const int16x8_t vprod3x01c0 = vmull_s8(vb01c0, va3c0);
616 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c0);
617 const int16x8_t vprod3x23c0 = vmull_s8(vb23c0, va3c0);
618 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c0);
619 const int16x8_t vprod3x45c0 = vmull_s8(vb45c0, va3c0);
620 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c0);
621 const int16x8_t vprod3x67c0 = vmull_s8(vb67c0, va3c0);
622 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c0);
623 const int16x8_t vprod3x89c0 = vmull_s8(vb89c0, va3c0);
624 vacc3x89 = vpadalq_s16(vacc3x89, vprod3x89c0);
625 const int16x8_t vprod3xABc0 = vmull_s8(vbABc0, va3c0);
626 vacc3xAB = vpadalq_s16(vacc3xAB, vprod3xABc0);
627 const int16x8_t vprod3xCDc0 = vmull_s8(vbCDc0, va3c0);
628 vacc3xCD = vpadalq_s16(vacc3xCD, vprod3xCDc0);
629 const int16x8_t vprod3xEFc0 = vmull_s8(vbEFc0, va3c0);
630 vacc3xEF = vpadalq_s16(vacc3xEF, vprod3xEFc0);
631 }
632 p -= 4 * sizeof(void*);
633 } while (p != 0);
634
635 #if XNN_ARCH_ARM64
636 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
637 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
638 int32x4_t vacc0x89AB = vpaddq_s32(vacc0x89, vacc0xAB);
639 int32x4_t vacc0xCDEF = vpaddq_s32(vacc0xCD, vacc0xEF);
640 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
641 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
642 int32x4_t vacc1x89AB = vpaddq_s32(vacc1x89, vacc1xAB);
643 int32x4_t vacc1xCDEF = vpaddq_s32(vacc1xCD, vacc1xEF);
644 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
645 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
646 int32x4_t vacc2x89AB = vpaddq_s32(vacc2x89, vacc2xAB);
647 int32x4_t vacc2xCDEF = vpaddq_s32(vacc2xCD, vacc2xEF);
648 int32x4_t vacc3x0123 = vpaddq_s32(vacc3x01, vacc3x23);
649 int32x4_t vacc3x4567 = vpaddq_s32(vacc3x45, vacc3x67);
650 int32x4_t vacc3x89AB = vpaddq_s32(vacc3x89, vacc3xAB);
651 int32x4_t vacc3xCDEF = vpaddq_s32(vacc3xCD, vacc3xEF);
652 #else
653 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
654 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
655 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
656 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
657 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
658 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
659 const int32x2_t vsum0x89 = vpadd_s32(vget_low_s32(vacc0x89), vget_high_s32(vacc0x89));
660 const int32x2_t vsum0xAB = vpadd_s32(vget_low_s32(vacc0xAB), vget_high_s32(vacc0xAB));
661 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB);
662 const int32x2_t vsum0xCD = vpadd_s32(vget_low_s32(vacc0xCD), vget_high_s32(vacc0xCD));
663 const int32x2_t vsum0xEF = vpadd_s32(vget_low_s32(vacc0xEF), vget_high_s32(vacc0xEF));
664 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF);
665 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
666 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
667 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
668 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
669 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
670 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
671 const int32x2_t vsum1x89 = vpadd_s32(vget_low_s32(vacc1x89), vget_high_s32(vacc1x89));
672 const int32x2_t vsum1xAB = vpadd_s32(vget_low_s32(vacc1xAB), vget_high_s32(vacc1xAB));
673 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB);
674 const int32x2_t vsum1xCD = vpadd_s32(vget_low_s32(vacc1xCD), vget_high_s32(vacc1xCD));
675 const int32x2_t vsum1xEF = vpadd_s32(vget_low_s32(vacc1xEF), vget_high_s32(vacc1xEF));
676 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF);
677 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
678 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
679 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
680 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
681 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
682 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
683 const int32x2_t vsum2x89 = vpadd_s32(vget_low_s32(vacc2x89), vget_high_s32(vacc2x89));
684 const int32x2_t vsum2xAB = vpadd_s32(vget_low_s32(vacc2xAB), vget_high_s32(vacc2xAB));
685 int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB);
686 const int32x2_t vsum2xCD = vpadd_s32(vget_low_s32(vacc2xCD), vget_high_s32(vacc2xCD));
687 const int32x2_t vsum2xEF = vpadd_s32(vget_low_s32(vacc2xEF), vget_high_s32(vacc2xEF));
688 int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF);
689 const int32x2_t vsum3x01 = vpadd_s32(vget_low_s32(vacc3x01), vget_high_s32(vacc3x01));
690 const int32x2_t vsum3x23 = vpadd_s32(vget_low_s32(vacc3x23), vget_high_s32(vacc3x23));
691 int32x4_t vacc3x0123 = vcombine_s32(vsum3x01, vsum3x23);
692 const int32x2_t vsum3x45 = vpadd_s32(vget_low_s32(vacc3x45), vget_high_s32(vacc3x45));
693 const int32x2_t vsum3x67 = vpadd_s32(vget_low_s32(vacc3x67), vget_high_s32(vacc3x67));
694 int32x4_t vacc3x4567 = vcombine_s32(vsum3x45, vsum3x67);
695 const int32x2_t vsum3x89 = vpadd_s32(vget_low_s32(vacc3x89), vget_high_s32(vacc3x89));
696 const int32x2_t vsum3xAB = vpadd_s32(vget_low_s32(vacc3xAB), vget_high_s32(vacc3xAB));
697 int32x4_t vacc3x89AB = vcombine_s32(vsum3x89, vsum3xAB);
698 const int32x2_t vsum3xCD = vpadd_s32(vget_low_s32(vacc3xCD), vget_high_s32(vacc3xCD));
699 const int32x2_t vsum3xEF = vpadd_s32(vget_low_s32(vacc3xEF), vget_high_s32(vacc3xEF));
700 int32x4_t vacc3xCDEF = vcombine_s32(vsum3xCD, vsum3xEF);
701 #endif
702
703 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
704 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
705 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
706
707 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
708 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
709 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
710 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
711 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
712 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
713 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
714 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
715 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
716 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
717 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
718 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
719 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
720 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
721 vacc3x89AB = vqshlq_s32(vacc3x89AB, vright_pre_shift);
722 vacc3xCDEF = vqshlq_s32(vacc3xCDEF, vright_pre_shift);
723
724 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
725 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
726 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
727 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
728 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
729 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
730 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
731 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
732 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
733 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
734 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
735 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
736 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
737 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
738 vacc3x89AB = vqdmulhq_s32(vacc3x89AB, vmultiplier);
739 vacc3xCDEF = vqdmulhq_s32(vacc3xCDEF, vmultiplier);
740
741 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
742 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
743 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
744 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
745 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
746 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
747 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
748 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
749 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
750 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
751 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
752 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
753 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
754 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
755 vacc3x89AB = vrshlq_s32(vacc3x89AB, vright_post_shift);
756 vacc3xCDEF = vrshlq_s32(vacc3xCDEF, vright_post_shift);
757
758 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
759 #if XNN_ARCH_ARM64
760 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
761 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
762 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
763 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
764 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
765 int16x8_t vacc2x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF);
766 int16x8_t vacc3x01234567 = vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567);
767 int16x8_t vacc3x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc3x89AB), vacc3xCDEF);
768
769 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
770 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
771 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
772 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
773 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
774 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
775 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
776 vacc3x89ABCDEF = vqaddq_s16(vacc3x89ABCDEF, voutput_zero_point);
777
778 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
779 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
780 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
781 int8x16_t vout3x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc3x01234567), vacc3x89ABCDEF);
782 #else
783 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
784 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
785 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
786 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
787 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
788 int16x8_t vacc2x89ABCDEF = vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF));
789 int16x8_t vacc3x01234567 = vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567));
790 int16x8_t vacc3x89ABCDEF = vcombine_s16(vqmovn_s32(vacc3x89AB), vqmovn_s32(vacc3xCDEF));
791
792 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
793 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
794 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
795 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
796 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
797 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
798 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
799 vacc3x89ABCDEF = vqaddq_s16(vacc3x89ABCDEF, voutput_zero_point);
800
801 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
802 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
803 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
804 int8x16_t vout3x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc3x01234567), vqmovn_s16(vacc3x89ABCDEF));
805 #endif
806
807 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
808 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
809 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
810 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
811 vout3x0123456789ABCDEF = vmaxq_s8(vout3x0123456789ABCDEF, voutput_min);
812
813 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
814 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
815 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
816 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
817 vout3x0123456789ABCDEF = vminq_s8(vout3x0123456789ABCDEF, voutput_max);
818
819 if (nc >= 16) {
820 vst1q_s8(c3 + 0, vout3x0123456789ABCDEF);
821 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
822 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
823 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
824
825 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
826 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
827 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
828 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
829
830 a = (const int8_t**restrict) ((uintptr_t) a - ks);
831
832 nc -= 16;
833 } else {
834 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vget_low_s8(vout2x0123456789ABCDEF), vget_low_s8(vout3x0123456789ABCDEF));
835 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
836 if (nc & 8) {
837 vst1_s8(c3, vget_high_s8(vout2x01234567_3x01234567)); c3 += 8;
838 vst1_s8(c2, vget_low_s8(vout2x01234567_3x01234567)); c2 += 8;
839 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
840 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
841 vout2x01234567_3x01234567 = vcombine_s8(vget_high_s8(vout2x0123456789ABCDEF), vget_high_s8(vout3x0123456789ABCDEF));
842 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
843 }
844 if (nc & 4) {
845 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
846 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
847 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
848 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
849 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
850 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
851 }
852 if (nc & 2) {
853 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
854 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
855 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
856 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
857 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
858 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
859 }
860 if (nc & 1) {
861 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
862 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
863 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
864 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
865 }
866
867 nc = 0;
868 }
869 } while (nc != 0);
870 }
871