1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c8-neon-mull.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_gemm_minmax_rndnu_ukernel_3x16c8__neon_mlal(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_gemm_minmax_rndnu_ukernel_3x16c8__neon_mlal(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30 assert(mr != 0);
31 assert(mr <= 3);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 8 * sizeof(int8_t));
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
43 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr < 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 a2 = a1;
52 c2 = c1;
53 }
54
55 do {
56 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
59 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
60 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
61 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
62 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
63 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
64 int32x4_t vacc0x8 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
65 int32x4_t vacc0x9 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
66 int32x4_t vacc0x10 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
67 int32x4_t vacc0x11 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
68 int32x4_t vacc0x12 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
69 int32x4_t vacc0x13 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
70 int32x4_t vacc0x14 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
71 int32x4_t vacc0x15 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
72 int32x4_t vacc1x0 = vacc0x0;
73 int32x4_t vacc1x1 = vacc0x1;
74 int32x4_t vacc1x2 = vacc0x2;
75 int32x4_t vacc1x3 = vacc0x3;
76 int32x4_t vacc1x4 = vacc0x4;
77 int32x4_t vacc1x5 = vacc0x5;
78 int32x4_t vacc1x6 = vacc0x6;
79 int32x4_t vacc1x7 = vacc0x7;
80 int32x4_t vacc1x8 = vacc0x8;
81 int32x4_t vacc1x9 = vacc0x9;
82 int32x4_t vacc1x10 = vacc0x10;
83 int32x4_t vacc1x11 = vacc0x11;
84 int32x4_t vacc1x12 = vacc0x12;
85 int32x4_t vacc1x13 = vacc0x13;
86 int32x4_t vacc1x14 = vacc0x14;
87 int32x4_t vacc1x15 = vacc0x15;
88 int32x4_t vacc2x0 = vacc0x0;
89 int32x4_t vacc2x1 = vacc0x1;
90 int32x4_t vacc2x2 = vacc0x2;
91 int32x4_t vacc2x3 = vacc0x3;
92 int32x4_t vacc2x4 = vacc0x4;
93 int32x4_t vacc2x5 = vacc0x5;
94 int32x4_t vacc2x6 = vacc0x6;
95 int32x4_t vacc2x7 = vacc0x7;
96 int32x4_t vacc2x8 = vacc0x8;
97 int32x4_t vacc2x9 = vacc0x9;
98 int32x4_t vacc2x10 = vacc0x10;
99 int32x4_t vacc2x11 = vacc0x11;
100 int32x4_t vacc2x12 = vacc0x12;
101 int32x4_t vacc2x13 = vacc0x13;
102 int32x4_t vacc2x14 = vacc0x14;
103 int32x4_t vacc2x15 = vacc0x15;
104
105 size_t k = kc;
106 // 2x partial unrolled loop to load 16 bytes at a time using MLA.
107 while (k >= 16 * sizeof(int8_t)) {
108 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
109 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
110 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
111 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
112 const int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
113 const int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
114
115 const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
116 const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
117 const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
118 const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
119 const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
120 const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
121 const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
122 const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
123 const int8x8_t vb8x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
124 const int8x8_t vb9x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
125 const int8x8_t vb10x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
126 const int8x8_t vb11x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
127 const int8x8_t vb12x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
128 const int8x8_t vb13x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
129 const int8x8_t vb14x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
130 const int8x8_t vb15x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
131
132 const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
133 int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0);
134 int16x8_t vprod1x0 = vmull_s8(vb0x0, va1x0);
135 int16x8_t vprod2x0 = vmull_s8(vb0x0, va2x0);
136 vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1);
137 vprod1x0 = vmlal_s8(vprod1x0, vb0x1, va1x1);
138 vprod2x0 = vmlal_s8(vprod2x0, vb0x1, va2x1);
139 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
140 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
141 vacc2x0 = vpadalq_s16(vacc2x0, vprod2x0);
142 const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
143 int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0);
144 int16x8_t vprod1x1 = vmull_s8(vb1x0, va1x0);
145 int16x8_t vprod2x1 = vmull_s8(vb1x0, va2x0);
146 vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1);
147 vprod1x1 = vmlal_s8(vprod1x1, vb1x1, va1x1);
148 vprod2x1 = vmlal_s8(vprod2x1, vb1x1, va2x1);
149 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
150 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
151 vacc2x1 = vpadalq_s16(vacc2x1, vprod2x1);
152 const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
153 int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0);
154 int16x8_t vprod1x2 = vmull_s8(vb2x0, va1x0);
155 int16x8_t vprod2x2 = vmull_s8(vb2x0, va2x0);
156 vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1);
157 vprod1x2 = vmlal_s8(vprod1x2, vb2x1, va1x1);
158 vprod2x2 = vmlal_s8(vprod2x2, vb2x1, va2x1);
159 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
160 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
161 vacc2x2 = vpadalq_s16(vacc2x2, vprod2x2);
162 const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
163 int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0);
164 int16x8_t vprod1x3 = vmull_s8(vb3x0, va1x0);
165 int16x8_t vprod2x3 = vmull_s8(vb3x0, va2x0);
166 vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1);
167 vprod1x3 = vmlal_s8(vprod1x3, vb3x1, va1x1);
168 vprod2x3 = vmlal_s8(vprod2x3, vb3x1, va2x1);
169 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
170 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
171 vacc2x3 = vpadalq_s16(vacc2x3, vprod2x3);
172 const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
173 int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0);
174 int16x8_t vprod1x4 = vmull_s8(vb4x0, va1x0);
175 int16x8_t vprod2x4 = vmull_s8(vb4x0, va2x0);
176 vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1);
177 vprod1x4 = vmlal_s8(vprod1x4, vb4x1, va1x1);
178 vprod2x4 = vmlal_s8(vprod2x4, vb4x1, va2x1);
179 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
180 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
181 vacc2x4 = vpadalq_s16(vacc2x4, vprod2x4);
182 const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
183 int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0);
184 int16x8_t vprod1x5 = vmull_s8(vb5x0, va1x0);
185 int16x8_t vprod2x5 = vmull_s8(vb5x0, va2x0);
186 vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1);
187 vprod1x5 = vmlal_s8(vprod1x5, vb5x1, va1x1);
188 vprod2x5 = vmlal_s8(vprod2x5, vb5x1, va2x1);
189 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
190 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
191 vacc2x5 = vpadalq_s16(vacc2x5, vprod2x5);
192 const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
193 int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0);
194 int16x8_t vprod1x6 = vmull_s8(vb6x0, va1x0);
195 int16x8_t vprod2x6 = vmull_s8(vb6x0, va2x0);
196 vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1);
197 vprod1x6 = vmlal_s8(vprod1x6, vb6x1, va1x1);
198 vprod2x6 = vmlal_s8(vprod2x6, vb6x1, va2x1);
199 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
200 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
201 vacc2x6 = vpadalq_s16(vacc2x6, vprod2x6);
202 const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
203 int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0);
204 int16x8_t vprod1x7 = vmull_s8(vb7x0, va1x0);
205 int16x8_t vprod2x7 = vmull_s8(vb7x0, va2x0);
206 vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1);
207 vprod1x7 = vmlal_s8(vprod1x7, vb7x1, va1x1);
208 vprod2x7 = vmlal_s8(vprod2x7, vb7x1, va2x1);
209 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
210 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
211 vacc2x7 = vpadalq_s16(vacc2x7, vprod2x7);
212 const int8x8_t vb8x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
213 int16x8_t vprod0x8 = vmull_s8(vb8x0, va0x0);
214 int16x8_t vprod1x8 = vmull_s8(vb8x0, va1x0);
215 int16x8_t vprod2x8 = vmull_s8(vb8x0, va2x0);
216 vprod0x8 = vmlal_s8(vprod0x8, vb8x1, va0x1);
217 vprod1x8 = vmlal_s8(vprod1x8, vb8x1, va1x1);
218 vprod2x8 = vmlal_s8(vprod2x8, vb8x1, va2x1);
219 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
220 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
221 vacc2x8 = vpadalq_s16(vacc2x8, vprod2x8);
222 const int8x8_t vb9x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
223 int16x8_t vprod0x9 = vmull_s8(vb9x0, va0x0);
224 int16x8_t vprod1x9 = vmull_s8(vb9x0, va1x0);
225 int16x8_t vprod2x9 = vmull_s8(vb9x0, va2x0);
226 vprod0x9 = vmlal_s8(vprod0x9, vb9x1, va0x1);
227 vprod1x9 = vmlal_s8(vprod1x9, vb9x1, va1x1);
228 vprod2x9 = vmlal_s8(vprod2x9, vb9x1, va2x1);
229 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
230 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
231 vacc2x9 = vpadalq_s16(vacc2x9, vprod2x9);
232 const int8x8_t vb10x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
233 int16x8_t vprod0x10 = vmull_s8(vb10x0, va0x0);
234 int16x8_t vprod1x10 = vmull_s8(vb10x0, va1x0);
235 int16x8_t vprod2x10 = vmull_s8(vb10x0, va2x0);
236 vprod0x10 = vmlal_s8(vprod0x10, vb10x1, va0x1);
237 vprod1x10 = vmlal_s8(vprod1x10, vb10x1, va1x1);
238 vprod2x10 = vmlal_s8(vprod2x10, vb10x1, va2x1);
239 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
240 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
241 vacc2x10 = vpadalq_s16(vacc2x10, vprod2x10);
242 const int8x8_t vb11x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
243 int16x8_t vprod0x11 = vmull_s8(vb11x0, va0x0);
244 int16x8_t vprod1x11 = vmull_s8(vb11x0, va1x0);
245 int16x8_t vprod2x11 = vmull_s8(vb11x0, va2x0);
246 vprod0x11 = vmlal_s8(vprod0x11, vb11x1, va0x1);
247 vprod1x11 = vmlal_s8(vprod1x11, vb11x1, va1x1);
248 vprod2x11 = vmlal_s8(vprod2x11, vb11x1, va2x1);
249 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
250 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
251 vacc2x11 = vpadalq_s16(vacc2x11, vprod2x11);
252 const int8x8_t vb12x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
253 int16x8_t vprod0x12 = vmull_s8(vb12x0, va0x0);
254 int16x8_t vprod1x12 = vmull_s8(vb12x0, va1x0);
255 int16x8_t vprod2x12 = vmull_s8(vb12x0, va2x0);
256 vprod0x12 = vmlal_s8(vprod0x12, vb12x1, va0x1);
257 vprod1x12 = vmlal_s8(vprod1x12, vb12x1, va1x1);
258 vprod2x12 = vmlal_s8(vprod2x12, vb12x1, va2x1);
259 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
260 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
261 vacc2x12 = vpadalq_s16(vacc2x12, vprod2x12);
262 const int8x8_t vb13x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
263 int16x8_t vprod0x13 = vmull_s8(vb13x0, va0x0);
264 int16x8_t vprod1x13 = vmull_s8(vb13x0, va1x0);
265 int16x8_t vprod2x13 = vmull_s8(vb13x0, va2x0);
266 vprod0x13 = vmlal_s8(vprod0x13, vb13x1, va0x1);
267 vprod1x13 = vmlal_s8(vprod1x13, vb13x1, va1x1);
268 vprod2x13 = vmlal_s8(vprod2x13, vb13x1, va2x1);
269 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
270 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
271 vacc2x13 = vpadalq_s16(vacc2x13, vprod2x13);
272 const int8x8_t vb14x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
273 int16x8_t vprod0x14 = vmull_s8(vb14x0, va0x0);
274 int16x8_t vprod1x14 = vmull_s8(vb14x0, va1x0);
275 int16x8_t vprod2x14 = vmull_s8(vb14x0, va2x0);
276 vprod0x14 = vmlal_s8(vprod0x14, vb14x1, va0x1);
277 vprod1x14 = vmlal_s8(vprod1x14, vb14x1, va1x1);
278 vprod2x14 = vmlal_s8(vprod2x14, vb14x1, va2x1);
279 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
280 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
281 vacc2x14 = vpadalq_s16(vacc2x14, vprod2x14);
282 const int8x8_t vb15x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
283 int16x8_t vprod0x15 = vmull_s8(vb15x0, va0x0);
284 int16x8_t vprod1x15 = vmull_s8(vb15x0, va1x0);
285 int16x8_t vprod2x15 = vmull_s8(vb15x0, va2x0);
286 vprod0x15 = vmlal_s8(vprod0x15, vb15x1, va0x1);
287 vprod1x15 = vmlal_s8(vprod1x15, vb15x1, va1x1);
288 vprod2x15 = vmlal_s8(vprod2x15, vb15x1, va2x1);
289 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
290 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
291 vacc2x15 = vpadalq_s16(vacc2x15, vprod2x15);
292
293 k -= 16 * sizeof(int8_t);
294 }
295
296 // Handle 8 bytes at a time using MUL.
297 if (k != 0) {
298 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
299 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
300 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
301
302 const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
303 const int16x8_t vprod0x0 = vmull_s8(vb0, va0);
304 const int16x8_t vprod1x0 = vmull_s8(vb0, va1);
305 const int16x8_t vprod2x0 = vmull_s8(vb0, va2);
306 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
307 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
308 vacc2x0 = vpadalq_s16(vacc2x0, vprod2x0);
309 const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
310 const int16x8_t vprod0x1 = vmull_s8(vb1, va0);
311 const int16x8_t vprod1x1 = vmull_s8(vb1, va1);
312 const int16x8_t vprod2x1 = vmull_s8(vb1, va2);
313 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
314 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
315 vacc2x1 = vpadalq_s16(vacc2x1, vprod2x1);
316 const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
317 const int16x8_t vprod0x2 = vmull_s8(vb2, va0);
318 const int16x8_t vprod1x2 = vmull_s8(vb2, va1);
319 const int16x8_t vprod2x2 = vmull_s8(vb2, va2);
320 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
321 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
322 vacc2x2 = vpadalq_s16(vacc2x2, vprod2x2);
323 const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
324 const int16x8_t vprod0x3 = vmull_s8(vb3, va0);
325 const int16x8_t vprod1x3 = vmull_s8(vb3, va1);
326 const int16x8_t vprod2x3 = vmull_s8(vb3, va2);
327 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
328 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
329 vacc2x3 = vpadalq_s16(vacc2x3, vprod2x3);
330 const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
331 const int16x8_t vprod0x4 = vmull_s8(vb4, va0);
332 const int16x8_t vprod1x4 = vmull_s8(vb4, va1);
333 const int16x8_t vprod2x4 = vmull_s8(vb4, va2);
334 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
335 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
336 vacc2x4 = vpadalq_s16(vacc2x4, vprod2x4);
337 const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
338 const int16x8_t vprod0x5 = vmull_s8(vb5, va0);
339 const int16x8_t vprod1x5 = vmull_s8(vb5, va1);
340 const int16x8_t vprod2x5 = vmull_s8(vb5, va2);
341 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
342 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
343 vacc2x5 = vpadalq_s16(vacc2x5, vprod2x5);
344 const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
345 const int16x8_t vprod0x6 = vmull_s8(vb6, va0);
346 const int16x8_t vprod1x6 = vmull_s8(vb6, va1);
347 const int16x8_t vprod2x6 = vmull_s8(vb6, va2);
348 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
349 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
350 vacc2x6 = vpadalq_s16(vacc2x6, vprod2x6);
351 const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
352 const int16x8_t vprod0x7 = vmull_s8(vb7, va0);
353 const int16x8_t vprod1x7 = vmull_s8(vb7, va1);
354 const int16x8_t vprod2x7 = vmull_s8(vb7, va2);
355 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
356 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
357 vacc2x7 = vpadalq_s16(vacc2x7, vprod2x7);
358 const int8x8_t vb8 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
359 const int16x8_t vprod0x8 = vmull_s8(vb8, va0);
360 const int16x8_t vprod1x8 = vmull_s8(vb8, va1);
361 const int16x8_t vprod2x8 = vmull_s8(vb8, va2);
362 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
363 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
364 vacc2x8 = vpadalq_s16(vacc2x8, vprod2x8);
365 const int8x8_t vb9 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
366 const int16x8_t vprod0x9 = vmull_s8(vb9, va0);
367 const int16x8_t vprod1x9 = vmull_s8(vb9, va1);
368 const int16x8_t vprod2x9 = vmull_s8(vb9, va2);
369 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
370 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
371 vacc2x9 = vpadalq_s16(vacc2x9, vprod2x9);
372 const int8x8_t vb10 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
373 const int16x8_t vprod0x10 = vmull_s8(vb10, va0);
374 const int16x8_t vprod1x10 = vmull_s8(vb10, va1);
375 const int16x8_t vprod2x10 = vmull_s8(vb10, va2);
376 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
377 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
378 vacc2x10 = vpadalq_s16(vacc2x10, vprod2x10);
379 const int8x8_t vb11 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
380 const int16x8_t vprod0x11 = vmull_s8(vb11, va0);
381 const int16x8_t vprod1x11 = vmull_s8(vb11, va1);
382 const int16x8_t vprod2x11 = vmull_s8(vb11, va2);
383 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
384 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
385 vacc2x11 = vpadalq_s16(vacc2x11, vprod2x11);
386 const int8x8_t vb12 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
387 const int16x8_t vprod0x12 = vmull_s8(vb12, va0);
388 const int16x8_t vprod1x12 = vmull_s8(vb12, va1);
389 const int16x8_t vprod2x12 = vmull_s8(vb12, va2);
390 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
391 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
392 vacc2x12 = vpadalq_s16(vacc2x12, vprod2x12);
393 const int8x8_t vb13 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
394 const int16x8_t vprod0x13 = vmull_s8(vb13, va0);
395 const int16x8_t vprod1x13 = vmull_s8(vb13, va1);
396 const int16x8_t vprod2x13 = vmull_s8(vb13, va2);
397 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
398 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
399 vacc2x13 = vpadalq_s16(vacc2x13, vprod2x13);
400 const int8x8_t vb14 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
401 const int16x8_t vprod0x14 = vmull_s8(vb14, va0);
402 const int16x8_t vprod1x14 = vmull_s8(vb14, va1);
403 const int16x8_t vprod2x14 = vmull_s8(vb14, va2);
404 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
405 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
406 vacc2x14 = vpadalq_s16(vacc2x14, vprod2x14);
407 const int8x8_t vb15 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
408 const int16x8_t vprod0x15 = vmull_s8(vb15, va0);
409 const int16x8_t vprod1x15 = vmull_s8(vb15, va1);
410 const int16x8_t vprod2x15 = vmull_s8(vb15, va2);
411 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
412 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
413 vacc2x15 = vpadalq_s16(vacc2x15, vprod2x15);
414
415 k -= 8 * sizeof(int8_t);
416 }
417
418 #if XNN_ARCH_ARM64
419 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
420 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
421 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
422 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
423 const int32x4_t vsum0x89 = vpaddq_s32(vacc0x8, vacc0x9);
424 const int32x4_t vsum0xAB = vpaddq_s32(vacc0x10, vacc0x11);
425 const int32x4_t vsum0xCD = vpaddq_s32(vacc0x12, vacc0x13);
426 const int32x4_t vsum0xEF = vpaddq_s32(vacc0x14, vacc0x15);
427 const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
428 const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
429 const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
430 const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
431 const int32x4_t vsum1x89 = vpaddq_s32(vacc1x8, vacc1x9);
432 const int32x4_t vsum1xAB = vpaddq_s32(vacc1x10, vacc1x11);
433 const int32x4_t vsum1xCD = vpaddq_s32(vacc1x12, vacc1x13);
434 const int32x4_t vsum1xEF = vpaddq_s32(vacc1x14, vacc1x15);
435 const int32x4_t vsum2x01 = vpaddq_s32(vacc2x0, vacc2x1);
436 const int32x4_t vsum2x23 = vpaddq_s32(vacc2x2, vacc2x3);
437 const int32x4_t vsum2x45 = vpaddq_s32(vacc2x4, vacc2x5);
438 const int32x4_t vsum2x67 = vpaddq_s32(vacc2x6, vacc2x7);
439 const int32x4_t vsum2x89 = vpaddq_s32(vacc2x8, vacc2x9);
440 const int32x4_t vsum2xAB = vpaddq_s32(vacc2x10, vacc2x11);
441 const int32x4_t vsum2xCD = vpaddq_s32(vacc2x12, vacc2x13);
442 const int32x4_t vsum2xEF = vpaddq_s32(vacc2x14, vacc2x15);
443
444 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
445 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
446 int32x4_t vacc0x89AB = vpaddq_s32(vsum0x89, vsum0xAB);
447 int32x4_t vacc0xCDEF = vpaddq_s32(vsum0xCD, vsum0xEF);
448 int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
449 int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
450 int32x4_t vacc1x89AB = vpaddq_s32(vsum1x89, vsum1xAB);
451 int32x4_t vacc1xCDEF = vpaddq_s32(vsum1xCD, vsum1xEF);
452 int32x4_t vacc2x0123 = vpaddq_s32(vsum2x01, vsum2x23);
453 int32x4_t vacc2x4567 = vpaddq_s32(vsum2x45, vsum2x67);
454 int32x4_t vacc2x89AB = vpaddq_s32(vsum2x89, vsum2xAB);
455 int32x4_t vacc2xCDEF = vpaddq_s32(vsum2xCD, vsum2xEF);
456 #else
457 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
458 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
459 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
460 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
461 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
462 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
463 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
464 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
465 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
466 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
467 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
468 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
469 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
470 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
471 const int32x2_t vpsum0x8 = vadd_s32(vget_low_s32(vacc0x8), vget_high_s32(vacc0x8));
472 const int32x2_t vpsum0x9 = vadd_s32(vget_low_s32(vacc0x9), vget_high_s32(vacc0x9));
473 const int32x2_t vpsum0xA = vadd_s32(vget_low_s32(vacc0x10), vget_high_s32(vacc0x10));
474 const int32x2_t vpsum0xB = vadd_s32(vget_low_s32(vacc0x11), vget_high_s32(vacc0x11));
475 const int32x2_t vsum0x89 = vpadd_s32(vpsum0x8, vpsum0x9);
476 const int32x2_t vsum0xAB = vpadd_s32(vpsum0xA, vpsum0xB);
477 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB );
478 const int32x2_t vpsum0xC = vadd_s32(vget_low_s32(vacc0x12), vget_high_s32(vacc0x12));
479 const int32x2_t vpsum0xD = vadd_s32(vget_low_s32(vacc0x13), vget_high_s32(vacc0x13));
480 const int32x2_t vpsum0xE = vadd_s32(vget_low_s32(vacc0x14), vget_high_s32(vacc0x14));
481 const int32x2_t vpsum0xF = vadd_s32(vget_low_s32(vacc0x15), vget_high_s32(vacc0x15));
482 const int32x2_t vsum0xCD = vpadd_s32(vpsum0xC, vpsum0xD);
483 const int32x2_t vsum0xEF = vpadd_s32(vpsum0xE, vpsum0xF);
484 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF );
485 const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
486 const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
487 const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
488 const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
489 const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
490 const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
491 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
492 const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
493 const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
494 const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
495 const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
496 const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
497 const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
498 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
499 const int32x2_t vpsum1x8 = vadd_s32(vget_low_s32(vacc1x8), vget_high_s32(vacc1x8));
500 const int32x2_t vpsum1x9 = vadd_s32(vget_low_s32(vacc1x9), vget_high_s32(vacc1x9));
501 const int32x2_t vpsum1xA = vadd_s32(vget_low_s32(vacc1x10), vget_high_s32(vacc1x10));
502 const int32x2_t vpsum1xB = vadd_s32(vget_low_s32(vacc1x11), vget_high_s32(vacc1x11));
503 const int32x2_t vsum1x89 = vpadd_s32(vpsum1x8, vpsum1x9);
504 const int32x2_t vsum1xAB = vpadd_s32(vpsum1xA, vpsum1xB);
505 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB );
506 const int32x2_t vpsum1xC = vadd_s32(vget_low_s32(vacc1x12), vget_high_s32(vacc1x12));
507 const int32x2_t vpsum1xD = vadd_s32(vget_low_s32(vacc1x13), vget_high_s32(vacc1x13));
508 const int32x2_t vpsum1xE = vadd_s32(vget_low_s32(vacc1x14), vget_high_s32(vacc1x14));
509 const int32x2_t vpsum1xF = vadd_s32(vget_low_s32(vacc1x15), vget_high_s32(vacc1x15));
510 const int32x2_t vsum1xCD = vpadd_s32(vpsum1xC, vpsum1xD);
511 const int32x2_t vsum1xEF = vpadd_s32(vpsum1xE, vpsum1xF);
512 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF );
513 const int32x2_t vpsum2x0 = vadd_s32(vget_low_s32(vacc2x0), vget_high_s32(vacc2x0));
514 const int32x2_t vpsum2x1 = vadd_s32(vget_low_s32(vacc2x1), vget_high_s32(vacc2x1));
515 const int32x2_t vpsum2x2 = vadd_s32(vget_low_s32(vacc2x2), vget_high_s32(vacc2x2));
516 const int32x2_t vpsum2x3 = vadd_s32(vget_low_s32(vacc2x3), vget_high_s32(vacc2x3));
517 const int32x2_t vsum2x01 = vpadd_s32(vpsum2x0, vpsum2x1);
518 const int32x2_t vsum2x23 = vpadd_s32(vpsum2x2, vpsum2x3);
519 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23 );
520 const int32x2_t vpsum2x4 = vadd_s32(vget_low_s32(vacc2x4), vget_high_s32(vacc2x4));
521 const int32x2_t vpsum2x5 = vadd_s32(vget_low_s32(vacc2x5), vget_high_s32(vacc2x5));
522 const int32x2_t vpsum2x6 = vadd_s32(vget_low_s32(vacc2x6), vget_high_s32(vacc2x6));
523 const int32x2_t vpsum2x7 = vadd_s32(vget_low_s32(vacc2x7), vget_high_s32(vacc2x7));
524 const int32x2_t vsum2x45 = vpadd_s32(vpsum2x4, vpsum2x5);
525 const int32x2_t vsum2x67 = vpadd_s32(vpsum2x6, vpsum2x7);
526 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67 );
527 const int32x2_t vpsum2x8 = vadd_s32(vget_low_s32(vacc2x8), vget_high_s32(vacc2x8));
528 const int32x2_t vpsum2x9 = vadd_s32(vget_low_s32(vacc2x9), vget_high_s32(vacc2x9));
529 const int32x2_t vpsum2xA = vadd_s32(vget_low_s32(vacc2x10), vget_high_s32(vacc2x10));
530 const int32x2_t vpsum2xB = vadd_s32(vget_low_s32(vacc2x11), vget_high_s32(vacc2x11));
531 const int32x2_t vsum2x89 = vpadd_s32(vpsum2x8, vpsum2x9);
532 const int32x2_t vsum2xAB = vpadd_s32(vpsum2xA, vpsum2xB);
533 int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB );
534 const int32x2_t vpsum2xC = vadd_s32(vget_low_s32(vacc2x12), vget_high_s32(vacc2x12));
535 const int32x2_t vpsum2xD = vadd_s32(vget_low_s32(vacc2x13), vget_high_s32(vacc2x13));
536 const int32x2_t vpsum2xE = vadd_s32(vget_low_s32(vacc2x14), vget_high_s32(vacc2x14));
537 const int32x2_t vpsum2xF = vadd_s32(vget_low_s32(vacc2x15), vget_high_s32(vacc2x15));
538 const int32x2_t vsum2xCD = vpadd_s32(vpsum2xC, vpsum2xD);
539 const int32x2_t vsum2xEF = vpadd_s32(vpsum2xE, vpsum2xF);
540 int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF );
541 #endif
542
543 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
544 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
545 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
546
547 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
548 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
549 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
550 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
551 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
552 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
553 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
554 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
555 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
556 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
557 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
558 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
559
560 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
561 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
562 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
563 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
564 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
565 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
566 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
567 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
568 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
569 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
570 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
571 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
572
573 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
574 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
575 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
576 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
577 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
578 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
579 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
580 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
581 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
582 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
583 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
584 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
585
586 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
587 #if XNN_ARCH_ARM64
588 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
589 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
590 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
591 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
592 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
593 int16x8_t vacc2x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF);
594
595 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
596 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
597 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
598 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
599 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
600 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
601
602 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
603 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
604 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
605 #else
606 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
607 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
608 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
609 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
610 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
611 int16x8_t vacc2x89ABCDEF = vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF));
612
613 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
614 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
615 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
616 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
617 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
618 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
619
620 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
621 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
622 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
623 #endif
624
625 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
626 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
627 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
628 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
629
630 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
631 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
632 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
633 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
634
635 if (nc >= 16) {
636 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
637 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
638 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
639
640 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
641 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
642 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
643
644 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
645 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
646 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
647
648 nc -= 16;
649 } else {
650 // Final case where not all of the 16 columns fit in the destination.
651 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
652 int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
653 if (nc & 8) {
654 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
655 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
656 vst1_s8(c2, vout2x01234567); c2 += 8;
657 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
658 vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
659 }
660 if (nc & 4) {
661 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
662 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
663 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
664 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
665 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
666 }
667 if (nc & 2) {
668 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
669 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
670 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
671 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
672 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
673 }
674 if (nc & 1) {
675 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
676 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
677 vst1_lane_s8(c2, vout2x01234567, 0);
678 }
679
680 nc = 0;
681 }
682 } while (nc != 0);
683 }
684