1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c2-neon-mull-dup.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <arm_neon.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16
xnn_qs8_igemm_minmax_rndnu_ukernel_3x16c2__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)])17 void xnn_qs8_igemm_minmax_rndnu_ukernel_3x16c2__neon_mlal_ld1r(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 size_t ks,
22 const int8_t** restrict a,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 size_t a_offset,
28 const int8_t* zero,
29 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (3 * sizeof(void*)) == 0);
37 assert(a_offset % sizeof(int8_t) == 0);
38 assert(a != NULL);
39 assert(w != NULL);
40 assert(c != NULL);
41
42 kc = round_up_po2(kc, 2 * sizeof(int8_t));
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 do {
54 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
55 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
56 int32x4_t vacc0x89AB = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
57 int32x4_t vacc0xCDEF = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
58 int32x4_t vacc1x0123 = vacc0x0123;
59 int32x4_t vacc1x4567 = vacc0x4567;
60 int32x4_t vacc1x89AB = vacc0x89AB;
61 int32x4_t vacc1xCDEF = vacc0xCDEF;
62 int32x4_t vacc2x0123 = vacc0x0123;
63 int32x4_t vacc2x4567 = vacc0x4567;
64 int32x4_t vacc2x89AB = vacc0x89AB;
65 int32x4_t vacc2xCDEF = vacc0xCDEF;
66
67 size_t p = ks;
68 do {
69 const int8_t* restrict a0 = a[0];
70 if XNN_UNPREDICTABLE(a0 != zero) {
71 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
72 }
73 const int8_t* restrict a1 = a[1];
74 if XNN_UNPREDICTABLE(a1 != zero) {
75 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
76 }
77 const int8_t* restrict a2 = a[2];
78 if XNN_UNPREDICTABLE(a2 != zero) {
79 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
80 }
81 a += 3;
82
83 size_t k = kc;
84
85 while (k >= 16 * sizeof(int8_t)) {
86 const int16x4_t va00x0 = vld1_dup_s16((const void*)a0);
87 const int16x4_t va01x0 = vld1_dup_s16((const void*)(a0 + 2));
88 const int16x4_t va02x0 = vld1_dup_s16((const void*)(a0 + 4));
89 const int16x4_t va03x0 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
90 const int16x4_t va00x1 = vld1_dup_s16((const void*)a0);
91 const int16x4_t va01x1 = vld1_dup_s16((const void*)(a0 + 2));
92 const int16x4_t va02x1 = vld1_dup_s16((const void*)(a0 + 4));
93 const int16x4_t va03x1 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
94 const int16x4_t va10x0 = vld1_dup_s16((const void*)a1);
95 const int16x4_t va11x0 = vld1_dup_s16((const void*)(a1 + 2));
96 const int16x4_t va12x0 = vld1_dup_s16((const void*)(a1 + 4));
97 const int16x4_t va13x0 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
98 const int16x4_t va10x1 = vld1_dup_s16((const void*)a1);
99 const int16x4_t va11x1 = vld1_dup_s16((const void*)(a1 + 2));
100 const int16x4_t va12x1 = vld1_dup_s16((const void*)(a1 + 4));
101 const int16x4_t va13x1 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
102 const int16x4_t va20x0 = vld1_dup_s16((const void*)a2);
103 const int16x4_t va21x0 = vld1_dup_s16((const void*)(a2 + 2));
104 const int16x4_t va22x0 = vld1_dup_s16((const void*)(a2 + 4));
105 const int16x4_t va23x0 = vld1_dup_s16((const void*)(a2 + 6)); a2 += 8;
106 const int16x4_t va20x1 = vld1_dup_s16((const void*)a2);
107 const int16x4_t va21x1 = vld1_dup_s16((const void*)(a2 + 2));
108 const int16x4_t va22x1 = vld1_dup_s16((const void*)(a2 + 4));
109 const int16x4_t va23x1 = vld1_dup_s16((const void*)(a2 + 6)); a2 += 8;
110
111 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113 const int8x8_t vb89ABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 const int8x8_t vbCDEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117 const int8x8_t vb89ABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118 const int8x8_t vbCDEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
119 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
120 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
121 const int8x8_t vb89ABc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
122 const int8x8_t vbCDEFc2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
123 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
124 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
125 const int8x8_t vb89ABc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
126 const int8x8_t vbCDEFc3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
127
128 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0);
129 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1);
130 const int8x8_t va1c0x0 = vreinterpret_s8_s16(va10x0);
131 const int8x8_t va1c0x1 = vreinterpret_s8_s16(va10x1);
132 const int8x8_t va2c0x0 = vreinterpret_s8_s16(va20x0);
133 const int8x8_t va2c0x1 = vreinterpret_s8_s16(va20x1);
134
135 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
136 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
137 int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0x0, va2c0x0);
138 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
140 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
141 vprod2x0123c0 = vmlal_s8(vprod2x0123c0, vb0123c0x1, va2c0x1);
142 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
143 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
144 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
145 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
146 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
147 int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0x0, va2c0x0);
148 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
149 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
150 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
151 vprod2x4567c0 = vmlal_s8(vprod2x4567c0, vb4567c0x1, va2c0x1);
152 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
153 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
154 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
155 int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0x0, va0c0x0);
156 int16x8_t vprod1x89ABc0 = vmull_s8(vb89ABc0x0, va1c0x0);
157 int16x8_t vprod2x89ABc0 = vmull_s8(vb89ABc0x0, va2c0x0);
158 const int8x8_t vb89ABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
159 vprod0x89ABc0 = vmlal_s8(vprod0x89ABc0, vb89ABc0x1, va0c0x1);
160 vprod1x89ABc0 = vmlal_s8(vprod1x89ABc0, vb89ABc0x1, va1c0x1);
161 vprod2x89ABc0 = vmlal_s8(vprod2x89ABc0, vb89ABc0x1, va2c0x1);
162 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
163 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc0);
164 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc0);
165 int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0x0, va0c0x0);
166 int16x8_t vprod1xCDEFc0 = vmull_s8(vbCDEFc0x0, va1c0x0);
167 int16x8_t vprod2xCDEFc0 = vmull_s8(vbCDEFc0x0, va2c0x0);
168 const int8x8_t vbCDEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 vprod0xCDEFc0 = vmlal_s8(vprod0xCDEFc0, vbCDEFc0x1, va0c0x1);
170 vprod1xCDEFc0 = vmlal_s8(vprod1xCDEFc0, vbCDEFc0x1, va1c0x1);
171 vprod2xCDEFc0 = vmlal_s8(vprod2xCDEFc0, vbCDEFc0x1, va2c0x1);
172 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
173 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc0);
174 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc0);
175 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va01x0);
176 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va01x1);
177 const int8x8_t va1c1x0 = vreinterpret_s8_s16(va11x0);
178 const int8x8_t va1c1x1 = vreinterpret_s8_s16(va11x1);
179 const int8x8_t va2c1x0 = vreinterpret_s8_s16(va21x0);
180 const int8x8_t va2c1x1 = vreinterpret_s8_s16(va21x1);
181
182 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
183 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
184 int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1x0, va2c1x0);
185 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
186 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
187 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
188 vprod2x0123c1 = vmlal_s8(vprod2x0123c1, vb0123c1x1, va2c1x1);
189 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
190 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
191 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
192 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
193 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
194 int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1x0, va2c1x0);
195 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
196 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
197 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
198 vprod2x4567c1 = vmlal_s8(vprod2x4567c1, vb4567c1x1, va2c1x1);
199 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
200 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
201 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
202 int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1x0, va0c1x0);
203 int16x8_t vprod1x89ABc1 = vmull_s8(vb89ABc1x0, va1c1x0);
204 int16x8_t vprod2x89ABc1 = vmull_s8(vb89ABc1x0, va2c1x0);
205 const int8x8_t vb89ABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
206 vprod0x89ABc1 = vmlal_s8(vprod0x89ABc1, vb89ABc1x1, va0c1x1);
207 vprod1x89ABc1 = vmlal_s8(vprod1x89ABc1, vb89ABc1x1, va1c1x1);
208 vprod2x89ABc1 = vmlal_s8(vprod2x89ABc1, vb89ABc1x1, va2c1x1);
209 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
210 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc1);
211 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc1);
212 int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1x0, va0c1x0);
213 int16x8_t vprod1xCDEFc1 = vmull_s8(vbCDEFc1x0, va1c1x0);
214 int16x8_t vprod2xCDEFc1 = vmull_s8(vbCDEFc1x0, va2c1x0);
215 const int8x8_t vbCDEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
216 vprod0xCDEFc1 = vmlal_s8(vprod0xCDEFc1, vbCDEFc1x1, va0c1x1);
217 vprod1xCDEFc1 = vmlal_s8(vprod1xCDEFc1, vbCDEFc1x1, va1c1x1);
218 vprod2xCDEFc1 = vmlal_s8(vprod2xCDEFc1, vbCDEFc1x1, va2c1x1);
219 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
220 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc1);
221 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc1);
222 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va02x0);
223 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va02x1);
224 const int8x8_t va1c2x0 = vreinterpret_s8_s16(va12x0);
225 const int8x8_t va1c2x1 = vreinterpret_s8_s16(va12x1);
226 const int8x8_t va2c2x0 = vreinterpret_s8_s16(va22x0);
227 const int8x8_t va2c2x1 = vreinterpret_s8_s16(va22x1);
228
229 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
230 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
231 int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2x0, va2c2x0);
232 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
233 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
234 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
235 vprod2x0123c2 = vmlal_s8(vprod2x0123c2, vb0123c2x1, va2c2x1);
236 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
237 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
238 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
239 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
240 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
241 int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2x0, va2c2x0);
242 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
243 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
244 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
245 vprod2x4567c2 = vmlal_s8(vprod2x4567c2, vb4567c2x1, va2c2x1);
246 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
247 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
248 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
249 int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2x0, va0c2x0);
250 int16x8_t vprod1x89ABc2 = vmull_s8(vb89ABc2x0, va1c2x0);
251 int16x8_t vprod2x89ABc2 = vmull_s8(vb89ABc2x0, va2c2x0);
252 const int8x8_t vb89ABc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
253 vprod0x89ABc2 = vmlal_s8(vprod0x89ABc2, vb89ABc2x1, va0c2x1);
254 vprod1x89ABc2 = vmlal_s8(vprod1x89ABc2, vb89ABc2x1, va1c2x1);
255 vprod2x89ABc2 = vmlal_s8(vprod2x89ABc2, vb89ABc2x1, va2c2x1);
256 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
257 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc2);
258 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc2);
259 int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2x0, va0c2x0);
260 int16x8_t vprod1xCDEFc2 = vmull_s8(vbCDEFc2x0, va1c2x0);
261 int16x8_t vprod2xCDEFc2 = vmull_s8(vbCDEFc2x0, va2c2x0);
262 const int8x8_t vbCDEFc2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
263 vprod0xCDEFc2 = vmlal_s8(vprod0xCDEFc2, vbCDEFc2x1, va0c2x1);
264 vprod1xCDEFc2 = vmlal_s8(vprod1xCDEFc2, vbCDEFc2x1, va1c2x1);
265 vprod2xCDEFc2 = vmlal_s8(vprod2xCDEFc2, vbCDEFc2x1, va2c2x1);
266 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
267 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc2);
268 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc2);
269 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va03x0);
270 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va03x1);
271 const int8x8_t va1c3x0 = vreinterpret_s8_s16(va13x0);
272 const int8x8_t va1c3x1 = vreinterpret_s8_s16(va13x1);
273 const int8x8_t va2c3x0 = vreinterpret_s8_s16(va23x0);
274 const int8x8_t va2c3x1 = vreinterpret_s8_s16(va23x1);
275
276 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
277 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
278 int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3x0, va2c3x0);
279 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
280 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
281 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
282 vprod2x0123c3 = vmlal_s8(vprod2x0123c3, vb0123c3x1, va2c3x1);
283 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
284 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
285 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
286 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
287 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
288 int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3x0, va2c3x0);
289 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
290 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
291 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
292 vprod2x4567c3 = vmlal_s8(vprod2x4567c3, vb4567c3x1, va2c3x1);
293 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
294 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
295 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
296 int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3x0, va0c3x0);
297 int16x8_t vprod1x89ABc3 = vmull_s8(vb89ABc3x0, va1c3x0);
298 int16x8_t vprod2x89ABc3 = vmull_s8(vb89ABc3x0, va2c3x0);
299 const int8x8_t vb89ABc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
300 vprod0x89ABc3 = vmlal_s8(vprod0x89ABc3, vb89ABc3x1, va0c3x1);
301 vprod1x89ABc3 = vmlal_s8(vprod1x89ABc3, vb89ABc3x1, va1c3x1);
302 vprod2x89ABc3 = vmlal_s8(vprod2x89ABc3, vb89ABc3x1, va2c3x1);
303 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
304 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc3);
305 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc3);
306 int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3x0, va0c3x0);
307 int16x8_t vprod1xCDEFc3 = vmull_s8(vbCDEFc3x0, va1c3x0);
308 int16x8_t vprod2xCDEFc3 = vmull_s8(vbCDEFc3x0, va2c3x0);
309 const int8x8_t vbCDEFc3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
310 vprod0xCDEFc3 = vmlal_s8(vprod0xCDEFc3, vbCDEFc3x1, va0c3x1);
311 vprod1xCDEFc3 = vmlal_s8(vprod1xCDEFc3, vbCDEFc3x1, va1c3x1);
312 vprod2xCDEFc3 = vmlal_s8(vprod2xCDEFc3, vbCDEFc3x1, va2c3x1);
313 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
314 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc3);
315 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc3);
316
317 k -= 16 * sizeof(int8_t);
318 }
319
320 if (k >= 8 * sizeof(int8_t)) {
321 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
322 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
323 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
324 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
325 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
326 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
327 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
328 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
329 const int16x4_t va20 = vld1_dup_s16((const void*)a2);
330 const int16x4_t va21 = vld1_dup_s16((const void*)(a2 + 2));
331 const int16x4_t va22 = vld1_dup_s16((const void*)(a2 + 4));
332 const int16x4_t va23 = vld1_dup_s16((const void*)(a2 + 6)); a2 += 8;
333
334 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
335 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
336 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
337 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
338 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
339 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
340 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
341 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
342 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
343 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
344 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
345 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
346 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
347 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
348 const int8x8_t vb89ABc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
349 const int8x8_t vbCDEFc3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
350
351 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
352 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
353 const int8x8_t va2c0 = vreinterpret_s8_s16(va20);
354
355 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
356 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
357 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
358 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
359 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
360 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
361 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
362 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
363 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
364 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
365 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
366 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
367 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
368 const int16x8_t vprod1x89ABc0 = vmull_s8(vb89ABc0, va1c0);
369 const int16x8_t vprod2x89ABc0 = vmull_s8(vb89ABc0, va2c0);
370 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
371 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc0);
372 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc0);
373 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
374 const int16x8_t vprod1xCDEFc0 = vmull_s8(vbCDEFc0, va1c0);
375 const int16x8_t vprod2xCDEFc0 = vmull_s8(vbCDEFc0, va2c0);
376 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
377 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc0);
378 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc0);
379 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
380 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
381 const int8x8_t va2c1 = vreinterpret_s8_s16(va21);
382
383 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
384 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
385 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
386 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
387 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
388 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
389 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
390 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
391 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
392 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
393 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
394 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
395 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
396 const int16x8_t vprod1x89ABc1 = vmull_s8(vb89ABc1, va1c1);
397 const int16x8_t vprod2x89ABc1 = vmull_s8(vb89ABc1, va2c1);
398 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
399 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc1);
400 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc1);
401 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
402 const int16x8_t vprod1xCDEFc1 = vmull_s8(vbCDEFc1, va1c1);
403 const int16x8_t vprod2xCDEFc1 = vmull_s8(vbCDEFc1, va2c1);
404 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
405 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc1);
406 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc1);
407 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
408 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
409 const int8x8_t va2c2 = vreinterpret_s8_s16(va22);
410
411 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
412 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
413 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
414 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
415 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
416 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
417 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
418 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
419 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
420 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
421 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
422 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
423 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
424 const int16x8_t vprod1x89ABc2 = vmull_s8(vb89ABc2, va1c2);
425 const int16x8_t vprod2x89ABc2 = vmull_s8(vb89ABc2, va2c2);
426 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
427 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc2);
428 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc2);
429 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
430 const int16x8_t vprod1xCDEFc2 = vmull_s8(vbCDEFc2, va1c2);
431 const int16x8_t vprod2xCDEFc2 = vmull_s8(vbCDEFc2, va2c2);
432 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
433 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc2);
434 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc2);
435 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
436 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
437 const int8x8_t va2c3 = vreinterpret_s8_s16(va23);
438
439 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
440 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
441 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
442 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
443 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
444 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
445 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
446 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
447 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
448 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
449 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
450 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
451 const int16x8_t vprod0x89ABc3 = vmull_s8(vb89ABc3, va0c3);
452 const int16x8_t vprod1x89ABc3 = vmull_s8(vb89ABc3, va1c3);
453 const int16x8_t vprod2x89ABc3 = vmull_s8(vb89ABc3, va2c3);
454 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc3);
455 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc3);
456 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc3);
457 const int16x8_t vprod0xCDEFc3 = vmull_s8(vbCDEFc3, va0c3);
458 const int16x8_t vprod1xCDEFc3 = vmull_s8(vbCDEFc3, va1c3);
459 const int16x8_t vprod2xCDEFc3 = vmull_s8(vbCDEFc3, va2c3);
460 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc3);
461 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc3);
462 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc3);
463
464 k -= 8 * sizeof(int8_t);
465 }
466
467 if XNN_UNLIKELY(k != 0) {
468 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
469 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
470 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
471
472 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
473 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
474 const int8x8_t vb89ABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
475 const int8x8_t vbCDEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
476
477 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
478 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
479 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
480 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
481 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
482 const int16x8_t vprod0x89ABc0 = vmull_s8(vb89ABc0, va0c0);
483 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc0);
484 const int16x8_t vprod0xCDEFc0 = vmull_s8(vbCDEFc0, va0c0);
485 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc0);
486 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
487 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
488 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
489 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
490 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
491 const int16x8_t vprod1x89ABc0 = vmull_s8(vb89ABc0, va1c0);
492 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc0);
493 const int16x8_t vprod1xCDEFc0 = vmull_s8(vbCDEFc0, va1c0);
494 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc0);
495 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
496 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
497 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
498 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
499 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
500 const int16x8_t vprod2x89ABc0 = vmull_s8(vb89ABc0, va2c0);
501 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc0);
502 const int16x8_t vprod2xCDEFc0 = vmull_s8(vbCDEFc0, va2c0);
503 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc0);
504
505 if (k > 2 * sizeof(int8_t)) {
506 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
507 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
508 const int8x8_t vb89ABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
509 const int8x8_t vbCDEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
510
511 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
512 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
513 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
514 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
515 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
516 const int16x8_t vprod0x89ABc1 = vmull_s8(vb89ABc1, va0c1);
517 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc1);
518 const int16x8_t vprod0xCDEFc1 = vmull_s8(vbCDEFc1, va0c1);
519 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc1);
520 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
521 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
522 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
523 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
524 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
525 const int16x8_t vprod1x89ABc1 = vmull_s8(vb89ABc1, va1c1);
526 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc1);
527 const int16x8_t vprod1xCDEFc1 = vmull_s8(vbCDEFc1, va1c1);
528 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc1);
529 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
530 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
531 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
532 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
533 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
534 const int16x8_t vprod2x89ABc1 = vmull_s8(vb89ABc1, va2c1);
535 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc1);
536 const int16x8_t vprod2xCDEFc1 = vmull_s8(vbCDEFc1, va2c1);
537 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc1);
538
539 if (k > 4 * sizeof(int8_t)) {
540 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
541 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
542 const int8x8_t vb89ABc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
543 const int8x8_t vbCDEFc2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
544
545 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
546 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
547 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
548 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
549 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
550 const int16x8_t vprod0x89ABc2 = vmull_s8(vb89ABc2, va0c2);
551 vacc0x89AB = vpadalq_s16(vacc0x89AB, vprod0x89ABc2);
552 const int16x8_t vprod0xCDEFc2 = vmull_s8(vbCDEFc2, va0c2);
553 vacc0xCDEF = vpadalq_s16(vacc0xCDEF, vprod0xCDEFc2);
554 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
555 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
556 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
557 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
558 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
559 const int16x8_t vprod1x89ABc2 = vmull_s8(vb89ABc2, va1c2);
560 vacc1x89AB = vpadalq_s16(vacc1x89AB, vprod1x89ABc2);
561 const int16x8_t vprod1xCDEFc2 = vmull_s8(vbCDEFc2, va1c2);
562 vacc1xCDEF = vpadalq_s16(vacc1xCDEF, vprod1xCDEFc2);
563 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
564 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
565 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
566 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
567 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
568 const int16x8_t vprod2x89ABc2 = vmull_s8(vb89ABc2, va2c2);
569 vacc2x89AB = vpadalq_s16(vacc2x89AB, vprod2x89ABc2);
570 const int16x8_t vprod2xCDEFc2 = vmull_s8(vbCDEFc2, va2c2);
571 vacc2xCDEF = vpadalq_s16(vacc2xCDEF, vprod2xCDEFc2);
572 }
573 }
574 }
575 p -= 3 * sizeof(void*);
576 } while (p != 0);
577
578 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
579 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
580 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
581
582 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
583 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
584 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
585 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
586 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
587 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
588 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
589 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
590 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
591 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
592 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
593 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
594
595 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
596 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
597 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
598 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
599 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
600 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
601 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
602 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
603 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
604 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
605 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
606 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
607
608 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
609 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
610 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
611 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
612 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
613 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
614 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
615 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
616 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
617 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
618 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
619 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
620
621 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
622 #if XNN_ARCH_ARM64
623 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
624 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
625 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
626 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
627 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
628 int16x8_t vacc2x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF);
629
630 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
631 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
632 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
633 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
634 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
635 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
636
637 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
638 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
639 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
640 #else
641 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
642 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
643 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
644 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
645 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
646 int16x8_t vacc2x89ABCDEF = vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF));
647
648 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
649 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
650 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
651 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
652 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
653 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
654
655 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
656 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
657 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
658 #endif
659
660 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
661 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
662 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
663 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
664
665 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
666 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
667 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
668 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
669
670 if (nc >= 16) {
671 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
672 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
673 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
674
675 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
676 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
677 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
678
679 a = (const int8_t**restrict) ((uintptr_t) a - ks);
680
681 nc -= 16;
682 } else {
683 int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
684 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
685 if (nc & 8) {
686 vst1_s8(c2, vout2x01234567); c2 += 8;
687 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
688 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
689 vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
690 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
691 }
692 if (nc & 4) {
693 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
694 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
695 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
696 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
697 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
698 }
699 if (nc & 2) {
700 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
701 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
702 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
703 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
704 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
705 }
706 if (nc & 1) {
707 vst1_lane_s8(c2, vout2x01234567, 0);
708 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
709 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
710 }
711
712 nc = 0;
713 }
714 } while (nc != 0);
715 }
716