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_3x8c2__neon_mlal_dup(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_3x8c2__neon_mlal_dup(
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 vacc1x0123 = vacc0x0123;
57 int32x4_t vacc1x4567 = vacc0x4567;
58 int32x4_t vacc2x0123 = vacc0x0123;
59 int32x4_t vacc2x4567 = vacc0x4567;
60
61 size_t p = ks;
62 do {
63 const int8_t* restrict a0 = a[0];
64 if XNN_UNPREDICTABLE(a0 != zero) {
65 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
66 }
67 const int8_t* restrict a1 = a[1];
68 if XNN_UNPREDICTABLE(a1 != zero) {
69 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
70 }
71 const int8_t* restrict a2 = a[2];
72 if XNN_UNPREDICTABLE(a2 != zero) {
73 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
74 }
75 a += 3;
76
77 size_t k = kc;
78
79 while (k >= 16 * sizeof(int8_t)) {
80 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
81 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
82 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
83 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
84 const int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
85 const int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
86
87 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
88 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
90 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
91 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95
96 const int8x8_t va0c0x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 0));
97 const int8x8_t va0c0x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 0));
98 const int8x8_t va1c0x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 0));
99 const int8x8_t va1c0x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 0));
100 const int8x8_t va2c0x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x0), 0));
101 const int8x8_t va2c0x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x1), 0));
102
103 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
104 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
105 int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0x0, va2c0x0);
106 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
108 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
109 vprod2x0123c0 = vmlal_s8(vprod2x0123c0, vb0123c0x1, va2c0x1);
110 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
111 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
112 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
113 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
114 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
115 int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0x0, va2c0x0);
116 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
118 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
119 vprod2x4567c0 = vmlal_s8(vprod2x4567c0, vb4567c0x1, va2c0x1);
120 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
121 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
122 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
123 const int8x8_t va0c1x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 1));
124 const int8x8_t va0c1x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 1));
125 const int8x8_t va1c1x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 1));
126 const int8x8_t va1c1x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 1));
127 const int8x8_t va2c1x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x0), 1));
128 const int8x8_t va2c1x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x1), 1));
129
130 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
131 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
132 int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1x0, va2c1x0);
133 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
134 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
135 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
136 vprod2x0123c1 = vmlal_s8(vprod2x0123c1, vb0123c1x1, va2c1x1);
137 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
138 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
139 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
140 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
141 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
142 int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1x0, va2c1x0);
143 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
144 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
145 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
146 vprod2x4567c1 = vmlal_s8(vprod2x4567c1, vb4567c1x1, va2c1x1);
147 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
148 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
149 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
150 const int8x8_t va0c2x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 2));
151 const int8x8_t va0c2x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 2));
152 const int8x8_t va1c2x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 2));
153 const int8x8_t va1c2x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 2));
154 const int8x8_t va2c2x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x0), 2));
155 const int8x8_t va2c2x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x1), 2));
156
157 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
158 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
159 int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2x0, va2c2x0);
160 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
162 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
163 vprod2x0123c2 = vmlal_s8(vprod2x0123c2, vb0123c2x1, va2c2x1);
164 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
165 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
166 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
167 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
168 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
169 int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2x0, va2c2x0);
170 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
172 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
173 vprod2x4567c2 = vmlal_s8(vprod2x4567c2, vb4567c2x1, va2c2x1);
174 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
175 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
176 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
177 const int8x8_t va0c3x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 3));
178 const int8x8_t va0c3x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 3));
179 const int8x8_t va1c3x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 3));
180 const int8x8_t va1c3x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 3));
181 const int8x8_t va2c3x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x0), 3));
182 const int8x8_t va2c3x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2x1), 3));
183
184 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
185 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
186 int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3x0, va2c3x0);
187 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
188 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
189 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
190 vprod2x0123c3 = vmlal_s8(vprod2x0123c3, vb0123c3x1, va2c3x1);
191 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
192 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
193 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
194 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
195 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
196 int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3x0, va2c3x0);
197 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
198 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
199 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
200 vprod2x4567c3 = vmlal_s8(vprod2x4567c3, vb4567c3x1, va2c3x1);
201 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
202 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
203 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
204
205 k -= 16 * sizeof(int8_t);
206 }
207
208 if (k >= 8 * sizeof(int8_t)) {
209 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
210 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
211 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
212
213 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
214 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
215 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
216 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
217 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
218 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
219 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
220 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
221
222 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
223 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
224 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
225
226 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
227 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
228 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
229 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
230 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
231 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
232 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
233 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
234 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
235 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
236 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
237 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
238 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
239 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
240 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
241
242 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
243 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
244 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
245 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
246 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
247 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
248 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
249 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
250 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
251 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
252 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
253 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
254 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
255 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
256 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
257
258 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
259 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
260 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
261 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
262 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
263 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
264 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
265 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
266 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
267 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
268 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
269 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
270 const int8x8_t va0c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 3));
271 const int8x8_t va1c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 3));
272 const int8x8_t va2c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 3));
273
274 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
275 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
276 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
277 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
278 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
279 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
280 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
281 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
282 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
283 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
284 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
285 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
286
287 k -= 8 * sizeof(int8_t);
288 }
289
290 if XNN_UNLIKELY(k != 0) {
291 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
292 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
293 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
294
295 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
296 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
297
298 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
299 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
300 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
301 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
302 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
303 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
304 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
305 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
306 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
307 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
308 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
309 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
310 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
311 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
312 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
313
314 if (k > 2 * sizeof(int8_t)) {
315 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
316 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
317
318 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
319 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
320 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
321 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
322 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
323 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
324 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
325 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
326 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
327 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
328 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
329 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
330 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
331 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
332 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
333
334 if (k > 4 * sizeof(int8_t)) {
335 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
336 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
337
338 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
339 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
340 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
341 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
342 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
343 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
344 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
345 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
346 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
347 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
348 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
349 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
350 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
351 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
352 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
353 }
354 }
355 }
356 p -= 3 * sizeof(void*);
357 } while (p != 0);
358
359 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
360 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
361 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
362
363 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
364 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
365 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
366 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
367 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
368 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
369
370 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
371 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
372 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
373 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
374 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
375 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
376
377 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
378 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
379 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
380 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
381 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
382 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
383
384 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
385 #if XNN_ARCH_ARM64
386 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
387 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
388 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
389
390 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
391 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
392 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
393
394 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
395 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
396 #else
397 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
398 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
399 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
400
401 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
402 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
403 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
404
405 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
406 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
407 #endif
408
409 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
410 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
411 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
412
413 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
414 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
415 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
416
417 if (nc >= 8) {
418 vst1_s8(c2 + 0, vout2x01234567);
419 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
420 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
421
422 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
423 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
424 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
425
426 a = (const int8_t**restrict) ((uintptr_t) a - ks);
427
428 nc -= 8;
429 } else {
430 if (nc & 4) {
431 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
432 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
433 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
434 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
435 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
436 }
437 if (nc & 2) {
438 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
439 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
440 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
441 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
442 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
443 }
444 if (nc & 1) {
445 vst1_lane_s8(c2, vout2x01234567, 0);
446 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
447 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
448 }
449
450 nc = 0;
451 }
452 } while (nc != 0);
453 }
454