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_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)])17 void xnn_qs8_igemm_minmax_rndnu_ukernel_3x8c2__neon_mlal_ld2r(
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 int16x4x2_t va00x0 = vld2_dup_s16((const void*)a0);
81 const int16x4x2_t va01x0 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
82 const int16x4x2_t va00x1 = vld2_dup_s16((const void*)a0);
83 const int16x4x2_t va01x1 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
84 const int16x4x2_t va10x0 = vld2_dup_s16((const void*)a1);
85 const int16x4x2_t va11x0 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
86 const int16x4x2_t va10x1 = vld2_dup_s16((const void*)a1);
87 const int16x4x2_t va11x1 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
88 const int16x4x2_t va20x0 = vld2_dup_s16((const void*)a2);
89 const int16x4x2_t va21x0 = vld2_dup_s16((const void*)(a2 + 4)); a2 += 8;
90 const int16x4x2_t va20x1 = vld2_dup_s16((const void*)a2);
91 const int16x4x2_t va21x1 = vld2_dup_s16((const void*)(a2 + 4)); a2 += 8;
92
93 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101
102 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0.val[0]);
103 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1.val[0]);
104 const int8x8_t va1c0x0 = vreinterpret_s8_s16(va10x0.val[0]);
105 const int8x8_t va1c0x1 = vreinterpret_s8_s16(va10x1.val[0]);
106 const int8x8_t va2c0x0 = vreinterpret_s8_s16(va20x0.val[0]);
107 const int8x8_t va2c0x1 = vreinterpret_s8_s16(va20x1.val[0]);
108
109 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
110 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
111 int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0x0, va2c0x0);
112 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
114 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
115 vprod2x0123c0 = vmlal_s8(vprod2x0123c0, vb0123c0x1, va2c0x1);
116 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
117 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
118 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
119 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
120 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
121 int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0x0, va2c0x0);
122 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
123 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
124 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
125 vprod2x4567c0 = vmlal_s8(vprod2x4567c0, vb4567c0x1, va2c0x1);
126 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
127 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
128 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
129 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va00x0.val[1]);
130 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va00x1.val[1]);
131 const int8x8_t va1c1x0 = vreinterpret_s8_s16(va10x0.val[1]);
132 const int8x8_t va1c1x1 = vreinterpret_s8_s16(va10x1.val[1]);
133 const int8x8_t va2c1x0 = vreinterpret_s8_s16(va20x0.val[1]);
134 const int8x8_t va2c1x1 = vreinterpret_s8_s16(va20x1.val[1]);
135
136 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
137 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
138 int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1x0, va2c1x0);
139 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
140 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
141 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
142 vprod2x0123c1 = vmlal_s8(vprod2x0123c1, vb0123c1x1, va2c1x1);
143 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
144 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
145 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
146 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
147 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
148 int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1x0, va2c1x0);
149 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
150 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
151 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
152 vprod2x4567c1 = vmlal_s8(vprod2x4567c1, vb4567c1x1, va2c1x1);
153 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
154 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
155 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
156 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va01x0.val[0]);
157 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va01x1.val[0]);
158 const int8x8_t va1c2x0 = vreinterpret_s8_s16(va11x0.val[0]);
159 const int8x8_t va1c2x1 = vreinterpret_s8_s16(va11x1.val[0]);
160 const int8x8_t va2c2x0 = vreinterpret_s8_s16(va21x0.val[0]);
161 const int8x8_t va2c2x1 = vreinterpret_s8_s16(va21x1.val[0]);
162
163 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
164 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
165 int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2x0, va2c2x0);
166 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
167 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
168 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
169 vprod2x0123c2 = vmlal_s8(vprod2x0123c2, vb0123c2x1, va2c2x1);
170 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
171 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
172 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
173 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
174 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
175 int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2x0, va2c2x0);
176 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
177 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
178 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
179 vprod2x4567c2 = vmlal_s8(vprod2x4567c2, vb4567c2x1, va2c2x1);
180 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
181 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
182 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
183 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va01x0.val[1]);
184 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va01x1.val[1]);
185 const int8x8_t va1c3x0 = vreinterpret_s8_s16(va11x0.val[1]);
186 const int8x8_t va1c3x1 = vreinterpret_s8_s16(va11x1.val[1]);
187 const int8x8_t va2c3x0 = vreinterpret_s8_s16(va21x0.val[1]);
188 const int8x8_t va2c3x1 = vreinterpret_s8_s16(va21x1.val[1]);
189
190 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
191 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
192 int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3x0, va2c3x0);
193 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
194 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
195 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
196 vprod2x0123c3 = vmlal_s8(vprod2x0123c3, vb0123c3x1, va2c3x1);
197 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
198 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
199 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
200 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
201 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
202 int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3x0, va2c3x0);
203 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
204 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
205 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
206 vprod2x4567c3 = vmlal_s8(vprod2x4567c3, vb4567c3x1, va2c3x1);
207 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
208 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
209 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
210
211 k -= 16 * sizeof(int8_t);
212 }
213
214 if (k >= 8 * sizeof(int8_t)) {
215 const int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
216 const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
217 const int16x4x2_t va10 = vld2_dup_s16((const void*)a1);
218 const int16x4x2_t va11 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
219 const int16x4x2_t va20 = vld2_dup_s16((const void*)a2);
220 const int16x4x2_t va21 = vld2_dup_s16((const void*)(a2 + 4)); a2 += 8;
221
222 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
223 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
224 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
225 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
226 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
227 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
228 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
229 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
230
231 const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
232 const int8x8_t va1c0 = vreinterpret_s8_s16(va10.val[0]);
233 const int8x8_t va2c0 = vreinterpret_s8_s16(va20.val[0]);
234
235 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
236 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
237 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
238 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
239 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
240 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
241 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
242 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
243 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
244 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
245 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
246 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
247 const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
248 const int8x8_t va1c1 = vreinterpret_s8_s16(va10.val[1]);
249 const int8x8_t va2c1 = vreinterpret_s8_s16(va20.val[1]);
250
251 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
252 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
253 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
254 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
255 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
256 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
257 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
258 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
259 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
260 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
261 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
262 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
263 const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
264 const int8x8_t va1c2 = vreinterpret_s8_s16(va11.val[0]);
265 const int8x8_t va2c2 = vreinterpret_s8_s16(va21.val[0]);
266
267 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
268 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
269 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
270 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
271 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
272 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
273 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
274 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
275 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
276 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
277 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
278 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
279 const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
280 const int8x8_t va1c3 = vreinterpret_s8_s16(va11.val[1]);
281 const int8x8_t va2c3 = vreinterpret_s8_s16(va21.val[1]);
282
283 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
284 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
285 const int16x8_t vprod2x0123c3 = vmull_s8(vb0123c3, va2c3);
286 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
287 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
288 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c3);
289 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
290 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
291 const int16x8_t vprod2x4567c3 = vmull_s8(vb4567c3, va2c3);
292 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
293 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
294 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c3);
295
296 k -= 8 * sizeof(int8_t);
297 }
298
299 if XNN_UNLIKELY(k != 0) {
300 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
301 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
302 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
303
304 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
305 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
306
307 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
308 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
309 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
310 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
311 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
312 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
313 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
314 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
315 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
316 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
317 const int8x8_t va2c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 0));
318 const int16x8_t vprod2x0123c0 = vmull_s8(vb0123c0, va2c0);
319 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c0);
320 const int16x8_t vprod2x4567c0 = vmull_s8(vb4567c0, va2c0);
321 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c0);
322
323 if (k > 2 * sizeof(int8_t)) {
324 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
325 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
326
327 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
328 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
329 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
330 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
331 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
332 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
333 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
334 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
335 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
336 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
337 const int8x8_t va2c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 1));
338 const int16x8_t vprod2x0123c1 = vmull_s8(vb0123c1, va2c1);
339 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c1);
340 const int16x8_t vprod2x4567c1 = vmull_s8(vb4567c1, va2c1);
341 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c1);
342
343 if (k > 4 * sizeof(int8_t)) {
344 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
345 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
346
347 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
348 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
349 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
350 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
351 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
352 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
353 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
354 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
355 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
356 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
357 const int8x8_t va2c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va2), 2));
358 const int16x8_t vprod2x0123c2 = vmull_s8(vb0123c2, va2c2);
359 vacc2x0123 = vpadalq_s16(vacc2x0123, vprod2x0123c2);
360 const int16x8_t vprod2x4567c2 = vmull_s8(vb4567c2, va2c2);
361 vacc2x4567 = vpadalq_s16(vacc2x4567, vprod2x4567c2);
362 }
363 }
364 }
365 p -= 3 * sizeof(void*);
366 } while (p != 0);
367
368 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
369 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
370 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
371
372 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
373 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
374 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
375 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
376 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
377 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
378
379 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
380 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
381 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
382 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
383 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
384 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
385
386 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
387 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
388 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
389 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
390 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
391 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
392
393 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
394 #if XNN_ARCH_ARM64
395 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
396 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
397 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
398
399 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
400 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
401 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
402
403 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
404 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
405 #else
406 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
407 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
408 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
409
410 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
411 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
412 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
413
414 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
415 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
416 #endif
417
418 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
419 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
420 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
421
422 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
423 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
424 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
425
426 if (nc >= 8) {
427 vst1_s8(c2 + 0, vout2x01234567);
428 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
429 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
430
431 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
432 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
433 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
434
435 a = (const int8_t**restrict) ((uintptr_t) a - ks);
436
437 nc -= 8;
438 } else {
439 if (nc & 4) {
440 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
441 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
442 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
443 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
444 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
445 }
446 if (nc & 2) {
447 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
448 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
449 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
450 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
451 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
452 }
453 if (nc & 1) {
454 vst1_lane_s8(c2, vout2x01234567, 0);
455 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
456 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
457 }
458
459 nc = 0;
460 }
461 } while (nc != 0);
462 }
463