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_3x8c4__neon_mlal_ld2r(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_3x8c4__neon_mlal_ld2r(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 3);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (3 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 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
54 do {
55 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
56 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
57 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
58 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
59 int32x4_t vacc1x01 = vacc0x01;
60 int32x4_t vacc1x23 = vacc0x23;
61 int32x4_t vacc1x45 = vacc0x45;
62 int32x4_t vacc1x67 = vacc0x67;
63 int32x4_t vacc2x01 = vacc0x01;
64 int32x4_t vacc2x23 = vacc0x23;
65 int32x4_t vacc2x45 = vacc0x45;
66 int32x4_t vacc2x67 = vacc0x67;
67
68 size_t p = ks;
69 do {
70 const int8_t* restrict a0 = a[0];
71 if XNN_UNPREDICTABLE(a0 != zero) {
72 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
73 }
74 const int8_t* restrict a1 = a[1];
75 if XNN_UNPREDICTABLE(a1 != zero) {
76 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
77 }
78 const int8_t* restrict a2 = a[2];
79 if XNN_UNPREDICTABLE(a2 != zero) {
80 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
81 }
82 a += 3;
83
84 size_t k = kc;
85
86 while (k >= 16 * sizeof(int8_t)) {
87 const int32x2x2_t va0x0 = vld2_dup_s32((const void*)a0); a0 += 8;
88 const int32x2x2_t va0x1 = vld2_dup_s32((const void*)a0); a0 += 8;
89 const int32x2x2_t va1x0 = vld2_dup_s32((const void*)a1); a1 += 8;
90 const int32x2x2_t va1x1 = vld2_dup_s32((const void*)a1); a1 += 8;
91 const int32x2x2_t va2x0 = vld2_dup_s32((const void*)a2); a2 += 8;
92 const int32x2x2_t va2x1 = vld2_dup_s32((const void*)a2); a2 += 8;
93
94 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102
103 const int8x8_t va0c0x0 = vreinterpret_s8_s32(va0x0.val[0]);
104 const int8x8_t va0c0x1 = vreinterpret_s8_s32(va0x1.val[0]);
105 const int8x8_t va1c0x0 = vreinterpret_s8_s32(va1x0.val[0]);
106 const int8x8_t va1c0x1 = vreinterpret_s8_s32(va1x1.val[0]);
107 const int8x8_t va2c0x0 = vreinterpret_s8_s32(va2x0.val[0]);
108 const int8x8_t va2c0x1 = vreinterpret_s8_s32(va2x1.val[0]);
109
110 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
111 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
112 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2c0x0);
113 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
115 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
116 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2c0x1);
117 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
118 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
119 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
120 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
121 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
122 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2c0x0);
123 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
124 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
125 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
126 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2c0x1);
127 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
128 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
129 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
130 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
131 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
132 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2c0x0);
133 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
134 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
135 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
136 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2c0x1);
137 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
138 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
139 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
140 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
141 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
142 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2c0x0);
143 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
144 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
145 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
146 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2c0x1);
147 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
148 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
149 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
150 const int8x8_t va0c1x0 = vreinterpret_s8_s32(va0x0.val[1]);
151 const int8x8_t va0c1x1 = vreinterpret_s8_s32(va0x1.val[1]);
152 const int8x8_t va1c1x0 = vreinterpret_s8_s32(va1x0.val[1]);
153 const int8x8_t va1c1x1 = vreinterpret_s8_s32(va1x1.val[1]);
154 const int8x8_t va2c1x0 = vreinterpret_s8_s32(va2x0.val[1]);
155 const int8x8_t va2c1x1 = vreinterpret_s8_s32(va2x1.val[1]);
156
157 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
158 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
159 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2c1x0);
160 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
162 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
163 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2c1x1);
164 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
165 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
166 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
167 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
168 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
169 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2c1x0);
170 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
172 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
173 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2c1x1);
174 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
175 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
176 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
177 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
178 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
179 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2c1x0);
180 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
181 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
182 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
183 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2c1x1);
184 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
185 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
186 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
187 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
188 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
189 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2c1x0);
190 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
191 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
192 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
193 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2c1x1);
194 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
195 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
196 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
197
198 k -= 16 * sizeof(int8_t);
199 }
200
201 if (k >= 8 * sizeof(int8_t)) {
202 const int32x2x2_t va0 = vld2_dup_s32((const void*)a0); a0 += 8;
203 const int32x2x2_t va1 = vld2_dup_s32((const void*)a1); a1 += 8;
204 const int32x2x2_t va2 = vld2_dup_s32((const void*)a2); a2 += 8;
205
206 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
207 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
208 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
209 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
210 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
211 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
212 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
213 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
214
215 const int8x8_t va0c0 = vreinterpret_s8_s32(va0.val[0]);
216 const int8x8_t va1c0 = vreinterpret_s8_s32(va1.val[0]);
217 const int8x8_t va2c0 = vreinterpret_s8_s32(va2.val[0]);
218
219 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
220 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
221 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
222 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
223 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
224 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
225 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
226 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
227 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
228 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
229 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
230 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
231 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
232 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
233 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
234 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
235 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
236 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
237 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
238 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
239 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
240 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
241 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
242 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
243 const int8x8_t va0c1 = vreinterpret_s8_s32(va0.val[1]);
244 const int8x8_t va1c1 = vreinterpret_s8_s32(va1.val[1]);
245 const int8x8_t va2c1 = vreinterpret_s8_s32(va2.val[1]);
246
247 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
248 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
249 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
250 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
251 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
252 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
253 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
254 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
255 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
256 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
257 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
258 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
259 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
260 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
261 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
262 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
263 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
264 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
265 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
266 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
267 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
268 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
269 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
270 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
271
272 k -= 8 * sizeof(int8_t);
273 }
274
275 if XNN_UNLIKELY(k != 0) {
276 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
277 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
278 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
279
280 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
281 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
282 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
283 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
284
285 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
286 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
287 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
288 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
289 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
290 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
291 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
292 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
293 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
294 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
295 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
296 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
297 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
298 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
299 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
300 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
301 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
302 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
303 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
304 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
305 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
306 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
307 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
308 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
309 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
310 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
311 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
312 }
313 p -= 3 * sizeof(void*);
314 } while (p != 0);
315
316 #if XNN_ARCH_ARM64
317 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
318 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
319 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
320 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
321 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
322 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
323 #else
324 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
325 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
326 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
327 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
328 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
329 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
330 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
331 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
332 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
333 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
334 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
335 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
336 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
337 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
338 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
339 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
340 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
341 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
342 #endif
343
344 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
345 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
346 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
347
348 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
349 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
350 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
351 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
352 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
353 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
354
355 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
356 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
357 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
358 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
359 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
360 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
361
362 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
363 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
364 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
365 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
366 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
367 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
368
369 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
370 #if XNN_ARCH_ARM64
371 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
372 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
373 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
374
375 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
376 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
377 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
378
379 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
380 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
381 #else
382 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
383 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
384 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
385
386 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
387 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
388 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
389
390 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
391 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
392 #endif
393
394 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
395 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
396 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
397
398 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
399 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
400 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
401
402 if (nc >= 8) {
403 vst1_s8(c2 + 0, vout2x01234567);
404 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
405 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
406
407 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
408 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
409 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
410
411 a = (const int8_t**restrict) ((uintptr_t) a - ks);
412
413 nc -= 8;
414 } else {
415 if (nc & 4) {
416 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
417 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
418 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
419 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
420 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
421 }
422 if (nc & 2) {
423 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
424 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
425 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
426 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
427 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
428 }
429 if (nc & 1) {
430 vst1_lane_s8(c2, vout2x01234567, 0);
431 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
432 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
433 }
434
435 nc = 0;
436 }
437 } while (nc != 0);
438 }
439