1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c8-neon-mull-padal.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/igemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_igemm_minmax_ukernel_3x16c8__neon_mlal_padal(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_gemm_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_ukernel_3x16c8__neon_mlal_padal(
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_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
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, 8);
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 vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
56 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
57 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
58 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
59 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
60 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
61 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
62 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
63 int32x4_t vacc0x8 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
64 int32x4_t vacc0x9 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
65 int32x4_t vacc0x10 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
66 int32x4_t vacc0x11 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
67 int32x4_t vacc0x12 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
68 int32x4_t vacc0x13 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
69 int32x4_t vacc0x14 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
70 int32x4_t vacc0x15 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
71 int32x4_t vacc1x0 = vacc0x0;
72 int32x4_t vacc1x1 = vacc0x1;
73 int32x4_t vacc1x2 = vacc0x2;
74 int32x4_t vacc1x3 = vacc0x3;
75 int32x4_t vacc1x4 = vacc0x4;
76 int32x4_t vacc1x5 = vacc0x5;
77 int32x4_t vacc1x6 = vacc0x6;
78 int32x4_t vacc1x7 = vacc0x7;
79 int32x4_t vacc1x8 = vacc0x8;
80 int32x4_t vacc1x9 = vacc0x9;
81 int32x4_t vacc1x10 = vacc0x10;
82 int32x4_t vacc1x11 = vacc0x11;
83 int32x4_t vacc1x12 = vacc0x12;
84 int32x4_t vacc1x13 = vacc0x13;
85 int32x4_t vacc1x14 = vacc0x14;
86 int32x4_t vacc1x15 = vacc0x15;
87 int32x4_t vacc2x0 = vacc0x0;
88 int32x4_t vacc2x1 = vacc0x1;
89 int32x4_t vacc2x2 = vacc0x2;
90 int32x4_t vacc2x3 = vacc0x3;
91 int32x4_t vacc2x4 = vacc0x4;
92 int32x4_t vacc2x5 = vacc0x5;
93 int32x4_t vacc2x6 = vacc0x6;
94 int32x4_t vacc2x7 = vacc0x7;
95 int32x4_t vacc2x8 = vacc0x8;
96 int32x4_t vacc2x9 = vacc0x9;
97 int32x4_t vacc2x10 = vacc0x10;
98 int32x4_t vacc2x11 = vacc0x11;
99 int32x4_t vacc2x12 = vacc0x12;
100 int32x4_t vacc2x13 = vacc0x13;
101 int32x4_t vacc2x14 = vacc0x14;
102 int32x4_t vacc2x15 = vacc0x15;
103
104 size_t p = ks;
105 do {
106 const int8_t* restrict a0 = a[0];
107 if XNN_UNPREDICTABLE(a0 != zero) {
108 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
109 }
110 const int8_t* restrict a1 = a[1];
111 if XNN_UNPREDICTABLE(a1 != zero) {
112 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
113 }
114 const int8_t* restrict a2 = a[2];
115 if XNN_UNPREDICTABLE(a2 != zero) {
116 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
117 }
118 a += 3;
119
120 size_t k = kc;
121 // 2x partial unrolled loop to load 16 bytes at a time using MLA.
122 while (k >= 16 * sizeof(int8_t)) {
123 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
124 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
125 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
126 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
127 const int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
128 const int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
129
130 const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
131 const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
132 const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
133 const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
134 const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
135 const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
136 const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
137 const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
138 const int8x8_t vb8x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
139 const int8x8_t vb9x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
140 const int8x8_t vb10x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
141 const int8x8_t vb11x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
142 const int8x8_t vb12x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
143 const int8x8_t vb13x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
144 const int8x8_t vb14x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
145 const int8x8_t vb15x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
146
147 const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
148 int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0);
149 int16x8_t vprod1x0 = vmull_s8(vb0x0, va1x0);
150 int16x8_t vprod2x0 = vmull_s8(vb0x0, va2x0);
151 vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1);
152 vprod1x0 = vmlal_s8(vprod1x0, vb0x1, va1x1);
153 vprod2x0 = vmlal_s8(vprod2x0, vb0x1, va2x1);
154 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
155 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
156 vacc2x0 = vpadalq_s16(vacc2x0, vprod2x0);
157 const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
158 int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0);
159 int16x8_t vprod1x1 = vmull_s8(vb1x0, va1x0);
160 int16x8_t vprod2x1 = vmull_s8(vb1x0, va2x0);
161 vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1);
162 vprod1x1 = vmlal_s8(vprod1x1, vb1x1, va1x1);
163 vprod2x1 = vmlal_s8(vprod2x1, vb1x1, va2x1);
164 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
165 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
166 vacc2x1 = vpadalq_s16(vacc2x1, vprod2x1);
167 const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
168 int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0);
169 int16x8_t vprod1x2 = vmull_s8(vb2x0, va1x0);
170 int16x8_t vprod2x2 = vmull_s8(vb2x0, va2x0);
171 vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1);
172 vprod1x2 = vmlal_s8(vprod1x2, vb2x1, va1x1);
173 vprod2x2 = vmlal_s8(vprod2x2, vb2x1, va2x1);
174 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
175 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
176 vacc2x2 = vpadalq_s16(vacc2x2, vprod2x2);
177 const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
178 int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0);
179 int16x8_t vprod1x3 = vmull_s8(vb3x0, va1x0);
180 int16x8_t vprod2x3 = vmull_s8(vb3x0, va2x0);
181 vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1);
182 vprod1x3 = vmlal_s8(vprod1x3, vb3x1, va1x1);
183 vprod2x3 = vmlal_s8(vprod2x3, vb3x1, va2x1);
184 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
185 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
186 vacc2x3 = vpadalq_s16(vacc2x3, vprod2x3);
187 const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
188 int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0);
189 int16x8_t vprod1x4 = vmull_s8(vb4x0, va1x0);
190 int16x8_t vprod2x4 = vmull_s8(vb4x0, va2x0);
191 vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1);
192 vprod1x4 = vmlal_s8(vprod1x4, vb4x1, va1x1);
193 vprod2x4 = vmlal_s8(vprod2x4, vb4x1, va2x1);
194 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
195 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
196 vacc2x4 = vpadalq_s16(vacc2x4, vprod2x4);
197 const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
198 int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0);
199 int16x8_t vprod1x5 = vmull_s8(vb5x0, va1x0);
200 int16x8_t vprod2x5 = vmull_s8(vb5x0, va2x0);
201 vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1);
202 vprod1x5 = vmlal_s8(vprod1x5, vb5x1, va1x1);
203 vprod2x5 = vmlal_s8(vprod2x5, vb5x1, va2x1);
204 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
205 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
206 vacc2x5 = vpadalq_s16(vacc2x5, vprod2x5);
207 const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
208 int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0);
209 int16x8_t vprod1x6 = vmull_s8(vb6x0, va1x0);
210 int16x8_t vprod2x6 = vmull_s8(vb6x0, va2x0);
211 vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1);
212 vprod1x6 = vmlal_s8(vprod1x6, vb6x1, va1x1);
213 vprod2x6 = vmlal_s8(vprod2x6, vb6x1, va2x1);
214 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
215 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
216 vacc2x6 = vpadalq_s16(vacc2x6, vprod2x6);
217 const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
218 int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0);
219 int16x8_t vprod1x7 = vmull_s8(vb7x0, va1x0);
220 int16x8_t vprod2x7 = vmull_s8(vb7x0, va2x0);
221 vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1);
222 vprod1x7 = vmlal_s8(vprod1x7, vb7x1, va1x1);
223 vprod2x7 = vmlal_s8(vprod2x7, vb7x1, va2x1);
224 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
225 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
226 vacc2x7 = vpadalq_s16(vacc2x7, vprod2x7);
227 const int8x8_t vb8x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
228 int16x8_t vprod0x8 = vmull_s8(vb8x0, va0x0);
229 int16x8_t vprod1x8 = vmull_s8(vb8x0, va1x0);
230 int16x8_t vprod2x8 = vmull_s8(vb8x0, va2x0);
231 vprod0x8 = vmlal_s8(vprod0x8, vb8x1, va0x1);
232 vprod1x8 = vmlal_s8(vprod1x8, vb8x1, va1x1);
233 vprod2x8 = vmlal_s8(vprod2x8, vb8x1, va2x1);
234 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
235 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
236 vacc2x8 = vpadalq_s16(vacc2x8, vprod2x8);
237 const int8x8_t vb9x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
238 int16x8_t vprod0x9 = vmull_s8(vb9x0, va0x0);
239 int16x8_t vprod1x9 = vmull_s8(vb9x0, va1x0);
240 int16x8_t vprod2x9 = vmull_s8(vb9x0, va2x0);
241 vprod0x9 = vmlal_s8(vprod0x9, vb9x1, va0x1);
242 vprod1x9 = vmlal_s8(vprod1x9, vb9x1, va1x1);
243 vprod2x9 = vmlal_s8(vprod2x9, vb9x1, va2x1);
244 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
245 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
246 vacc2x9 = vpadalq_s16(vacc2x9, vprod2x9);
247 const int8x8_t vb10x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
248 int16x8_t vprod0x10 = vmull_s8(vb10x0, va0x0);
249 int16x8_t vprod1x10 = vmull_s8(vb10x0, va1x0);
250 int16x8_t vprod2x10 = vmull_s8(vb10x0, va2x0);
251 vprod0x10 = vmlal_s8(vprod0x10, vb10x1, va0x1);
252 vprod1x10 = vmlal_s8(vprod1x10, vb10x1, va1x1);
253 vprod2x10 = vmlal_s8(vprod2x10, vb10x1, va2x1);
254 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
255 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
256 vacc2x10 = vpadalq_s16(vacc2x10, vprod2x10);
257 const int8x8_t vb11x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
258 int16x8_t vprod0x11 = vmull_s8(vb11x0, va0x0);
259 int16x8_t vprod1x11 = vmull_s8(vb11x0, va1x0);
260 int16x8_t vprod2x11 = vmull_s8(vb11x0, va2x0);
261 vprod0x11 = vmlal_s8(vprod0x11, vb11x1, va0x1);
262 vprod1x11 = vmlal_s8(vprod1x11, vb11x1, va1x1);
263 vprod2x11 = vmlal_s8(vprod2x11, vb11x1, va2x1);
264 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
265 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
266 vacc2x11 = vpadalq_s16(vacc2x11, vprod2x11);
267 const int8x8_t vb12x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
268 int16x8_t vprod0x12 = vmull_s8(vb12x0, va0x0);
269 int16x8_t vprod1x12 = vmull_s8(vb12x0, va1x0);
270 int16x8_t vprod2x12 = vmull_s8(vb12x0, va2x0);
271 vprod0x12 = vmlal_s8(vprod0x12, vb12x1, va0x1);
272 vprod1x12 = vmlal_s8(vprod1x12, vb12x1, va1x1);
273 vprod2x12 = vmlal_s8(vprod2x12, vb12x1, va2x1);
274 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
275 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
276 vacc2x12 = vpadalq_s16(vacc2x12, vprod2x12);
277 const int8x8_t vb13x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
278 int16x8_t vprod0x13 = vmull_s8(vb13x0, va0x0);
279 int16x8_t vprod1x13 = vmull_s8(vb13x0, va1x0);
280 int16x8_t vprod2x13 = vmull_s8(vb13x0, va2x0);
281 vprod0x13 = vmlal_s8(vprod0x13, vb13x1, va0x1);
282 vprod1x13 = vmlal_s8(vprod1x13, vb13x1, va1x1);
283 vprod2x13 = vmlal_s8(vprod2x13, vb13x1, va2x1);
284 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
285 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
286 vacc2x13 = vpadalq_s16(vacc2x13, vprod2x13);
287 const int8x8_t vb14x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
288 int16x8_t vprod0x14 = vmull_s8(vb14x0, va0x0);
289 int16x8_t vprod1x14 = vmull_s8(vb14x0, va1x0);
290 int16x8_t vprod2x14 = vmull_s8(vb14x0, va2x0);
291 vprod0x14 = vmlal_s8(vprod0x14, vb14x1, va0x1);
292 vprod1x14 = vmlal_s8(vprod1x14, vb14x1, va1x1);
293 vprod2x14 = vmlal_s8(vprod2x14, vb14x1, va2x1);
294 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
295 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
296 vacc2x14 = vpadalq_s16(vacc2x14, vprod2x14);
297 const int8x8_t vb15x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
298 int16x8_t vprod0x15 = vmull_s8(vb15x0, va0x0);
299 int16x8_t vprod1x15 = vmull_s8(vb15x0, va1x0);
300 int16x8_t vprod2x15 = vmull_s8(vb15x0, va2x0);
301 vprod0x15 = vmlal_s8(vprod0x15, vb15x1, va0x1);
302 vprod1x15 = vmlal_s8(vprod1x15, vb15x1, va1x1);
303 vprod2x15 = vmlal_s8(vprod2x15, vb15x1, va2x1);
304 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
305 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
306 vacc2x15 = vpadalq_s16(vacc2x15, vprod2x15);
307
308 k -= 16 * sizeof(int8_t);
309 }
310
311 // Handle 8 bytes at a time using MUL.
312 if (k > 0) {
313 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
314 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
315 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
316
317 const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
318 const int16x8_t vprod0x0 = vmull_s8(vb0, va0);
319 const int16x8_t vprod1x0 = vmull_s8(vb0, va1);
320 const int16x8_t vprod2x0 = vmull_s8(vb0, va2);
321 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
322 vacc1x0 = vpadalq_s16(vacc1x0, vprod1x0);
323 vacc2x0 = vpadalq_s16(vacc2x0, vprod2x0);
324 const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
325 const int16x8_t vprod0x1 = vmull_s8(vb1, va0);
326 const int16x8_t vprod1x1 = vmull_s8(vb1, va1);
327 const int16x8_t vprod2x1 = vmull_s8(vb1, va2);
328 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
329 vacc1x1 = vpadalq_s16(vacc1x1, vprod1x1);
330 vacc2x1 = vpadalq_s16(vacc2x1, vprod2x1);
331 const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
332 const int16x8_t vprod0x2 = vmull_s8(vb2, va0);
333 const int16x8_t vprod1x2 = vmull_s8(vb2, va1);
334 const int16x8_t vprod2x2 = vmull_s8(vb2, va2);
335 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
336 vacc1x2 = vpadalq_s16(vacc1x2, vprod1x2);
337 vacc2x2 = vpadalq_s16(vacc2x2, vprod2x2);
338 const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
339 const int16x8_t vprod0x3 = vmull_s8(vb3, va0);
340 const int16x8_t vprod1x3 = vmull_s8(vb3, va1);
341 const int16x8_t vprod2x3 = vmull_s8(vb3, va2);
342 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
343 vacc1x3 = vpadalq_s16(vacc1x3, vprod1x3);
344 vacc2x3 = vpadalq_s16(vacc2x3, vprod2x3);
345 const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
346 const int16x8_t vprod0x4 = vmull_s8(vb4, va0);
347 const int16x8_t vprod1x4 = vmull_s8(vb4, va1);
348 const int16x8_t vprod2x4 = vmull_s8(vb4, va2);
349 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
350 vacc1x4 = vpadalq_s16(vacc1x4, vprod1x4);
351 vacc2x4 = vpadalq_s16(vacc2x4, vprod2x4);
352 const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
353 const int16x8_t vprod0x5 = vmull_s8(vb5, va0);
354 const int16x8_t vprod1x5 = vmull_s8(vb5, va1);
355 const int16x8_t vprod2x5 = vmull_s8(vb5, va2);
356 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
357 vacc1x5 = vpadalq_s16(vacc1x5, vprod1x5);
358 vacc2x5 = vpadalq_s16(vacc2x5, vprod2x5);
359 const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
360 const int16x8_t vprod0x6 = vmull_s8(vb6, va0);
361 const int16x8_t vprod1x6 = vmull_s8(vb6, va1);
362 const int16x8_t vprod2x6 = vmull_s8(vb6, va2);
363 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
364 vacc1x6 = vpadalq_s16(vacc1x6, vprod1x6);
365 vacc2x6 = vpadalq_s16(vacc2x6, vprod2x6);
366 const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
367 const int16x8_t vprod0x7 = vmull_s8(vb7, va0);
368 const int16x8_t vprod1x7 = vmull_s8(vb7, va1);
369 const int16x8_t vprod2x7 = vmull_s8(vb7, va2);
370 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
371 vacc1x7 = vpadalq_s16(vacc1x7, vprod1x7);
372 vacc2x7 = vpadalq_s16(vacc2x7, vprod2x7);
373 const int8x8_t vb8 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
374 const int16x8_t vprod0x8 = vmull_s8(vb8, va0);
375 const int16x8_t vprod1x8 = vmull_s8(vb8, va1);
376 const int16x8_t vprod2x8 = vmull_s8(vb8, va2);
377 vacc0x8 = vpadalq_s16(vacc0x8, vprod0x8);
378 vacc1x8 = vpadalq_s16(vacc1x8, vprod1x8);
379 vacc2x8 = vpadalq_s16(vacc2x8, vprod2x8);
380 const int8x8_t vb9 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
381 const int16x8_t vprod0x9 = vmull_s8(vb9, va0);
382 const int16x8_t vprod1x9 = vmull_s8(vb9, va1);
383 const int16x8_t vprod2x9 = vmull_s8(vb9, va2);
384 vacc0x9 = vpadalq_s16(vacc0x9, vprod0x9);
385 vacc1x9 = vpadalq_s16(vacc1x9, vprod1x9);
386 vacc2x9 = vpadalq_s16(vacc2x9, vprod2x9);
387 const int8x8_t vb10 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
388 const int16x8_t vprod0x10 = vmull_s8(vb10, va0);
389 const int16x8_t vprod1x10 = vmull_s8(vb10, va1);
390 const int16x8_t vprod2x10 = vmull_s8(vb10, va2);
391 vacc0x10 = vpadalq_s16(vacc0x10, vprod0x10);
392 vacc1x10 = vpadalq_s16(vacc1x10, vprod1x10);
393 vacc2x10 = vpadalq_s16(vacc2x10, vprod2x10);
394 const int8x8_t vb11 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
395 const int16x8_t vprod0x11 = vmull_s8(vb11, va0);
396 const int16x8_t vprod1x11 = vmull_s8(vb11, va1);
397 const int16x8_t vprod2x11 = vmull_s8(vb11, va2);
398 vacc0x11 = vpadalq_s16(vacc0x11, vprod0x11);
399 vacc1x11 = vpadalq_s16(vacc1x11, vprod1x11);
400 vacc2x11 = vpadalq_s16(vacc2x11, vprod2x11);
401 const int8x8_t vb12 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
402 const int16x8_t vprod0x12 = vmull_s8(vb12, va0);
403 const int16x8_t vprod1x12 = vmull_s8(vb12, va1);
404 const int16x8_t vprod2x12 = vmull_s8(vb12, va2);
405 vacc0x12 = vpadalq_s16(vacc0x12, vprod0x12);
406 vacc1x12 = vpadalq_s16(vacc1x12, vprod1x12);
407 vacc2x12 = vpadalq_s16(vacc2x12, vprod2x12);
408 const int8x8_t vb13 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
409 const int16x8_t vprod0x13 = vmull_s8(vb13, va0);
410 const int16x8_t vprod1x13 = vmull_s8(vb13, va1);
411 const int16x8_t vprod2x13 = vmull_s8(vb13, va2);
412 vacc0x13 = vpadalq_s16(vacc0x13, vprod0x13);
413 vacc1x13 = vpadalq_s16(vacc1x13, vprod1x13);
414 vacc2x13 = vpadalq_s16(vacc2x13, vprod2x13);
415 const int8x8_t vb14 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
416 const int16x8_t vprod0x14 = vmull_s8(vb14, va0);
417 const int16x8_t vprod1x14 = vmull_s8(vb14, va1);
418 const int16x8_t vprod2x14 = vmull_s8(vb14, va2);
419 vacc0x14 = vpadalq_s16(vacc0x14, vprod0x14);
420 vacc1x14 = vpadalq_s16(vacc1x14, vprod1x14);
421 vacc2x14 = vpadalq_s16(vacc2x14, vprod2x14);
422 const int8x8_t vb15 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
423 const int16x8_t vprod0x15 = vmull_s8(vb15, va0);
424 const int16x8_t vprod1x15 = vmull_s8(vb15, va1);
425 const int16x8_t vprod2x15 = vmull_s8(vb15, va2);
426 vacc0x15 = vpadalq_s16(vacc0x15, vprod0x15);
427 vacc1x15 = vpadalq_s16(vacc1x15, vprod1x15);
428 vacc2x15 = vpadalq_s16(vacc2x15, vprod2x15);
429
430 k -= 8 * sizeof(int8_t);
431 }
432
433 p -= 3 * sizeof(void*);
434 } while (p != 0);
435
436 #if XNN_ARCH_ARM64
437 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
438 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
439 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
440 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
441 const int32x4_t vsum0x89 = vpaddq_s32(vacc0x8, vacc0x9);
442 const int32x4_t vsum0xAB = vpaddq_s32(vacc0x10, vacc0x11);
443 const int32x4_t vsum0xCD = vpaddq_s32(vacc0x12, vacc0x13);
444 const int32x4_t vsum0xEF = vpaddq_s32(vacc0x14, vacc0x15);
445 const int32x4_t vsum1x01 = vpaddq_s32(vacc1x0, vacc1x1);
446 const int32x4_t vsum1x23 = vpaddq_s32(vacc1x2, vacc1x3);
447 const int32x4_t vsum1x45 = vpaddq_s32(vacc1x4, vacc1x5);
448 const int32x4_t vsum1x67 = vpaddq_s32(vacc1x6, vacc1x7);
449 const int32x4_t vsum1x89 = vpaddq_s32(vacc1x8, vacc1x9);
450 const int32x4_t vsum1xAB = vpaddq_s32(vacc1x10, vacc1x11);
451 const int32x4_t vsum1xCD = vpaddq_s32(vacc1x12, vacc1x13);
452 const int32x4_t vsum1xEF = vpaddq_s32(vacc1x14, vacc1x15);
453 const int32x4_t vsum2x01 = vpaddq_s32(vacc2x0, vacc2x1);
454 const int32x4_t vsum2x23 = vpaddq_s32(vacc2x2, vacc2x3);
455 const int32x4_t vsum2x45 = vpaddq_s32(vacc2x4, vacc2x5);
456 const int32x4_t vsum2x67 = vpaddq_s32(vacc2x6, vacc2x7);
457 const int32x4_t vsum2x89 = vpaddq_s32(vacc2x8, vacc2x9);
458 const int32x4_t vsum2xAB = vpaddq_s32(vacc2x10, vacc2x11);
459 const int32x4_t vsum2xCD = vpaddq_s32(vacc2x12, vacc2x13);
460 const int32x4_t vsum2xEF = vpaddq_s32(vacc2x14, vacc2x15);
461 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
462 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
463 int32x4_t vacc0x89AB = vpaddq_s32(vsum0x89, vsum0xAB);
464 int32x4_t vacc0xCDEF = vpaddq_s32(vsum0xCD, vsum0xEF);
465 int32x4_t vacc1x0123 = vpaddq_s32(vsum1x01, vsum1x23);
466 int32x4_t vacc1x4567 = vpaddq_s32(vsum1x45, vsum1x67);
467 int32x4_t vacc1x89AB = vpaddq_s32(vsum1x89, vsum1xAB);
468 int32x4_t vacc1xCDEF = vpaddq_s32(vsum1xCD, vsum1xEF);
469 int32x4_t vacc2x0123 = vpaddq_s32(vsum2x01, vsum2x23);
470 int32x4_t vacc2x4567 = vpaddq_s32(vsum2x45, vsum2x67);
471 int32x4_t vacc2x89AB = vpaddq_s32(vsum2x89, vsum2xAB);
472 int32x4_t vacc2xCDEF = vpaddq_s32(vsum2xCD, vsum2xEF);
473 #else
474 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
475 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
476 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
477 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
478 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
479 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
480 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
481 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
482 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
483 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
484 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
485 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
486 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
487 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
488 const int32x2_t vpsum0x8 = vadd_s32(vget_low_s32(vacc0x8), vget_high_s32(vacc0x8));
489 const int32x2_t vpsum0x9 = vadd_s32(vget_low_s32(vacc0x9), vget_high_s32(vacc0x9));
490 const int32x2_t vpsum0xA = vadd_s32(vget_low_s32(vacc0x10), vget_high_s32(vacc0x10));
491 const int32x2_t vpsum0xB = vadd_s32(vget_low_s32(vacc0x11), vget_high_s32(vacc0x11));
492 const int32x2_t vsum0x89 = vpadd_s32(vpsum0x8, vpsum0x9);
493 const int32x2_t vsum0xAB = vpadd_s32(vpsum0xA, vpsum0xB);
494 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB );
495 const int32x2_t vpsum0xC = vadd_s32(vget_low_s32(vacc0x12), vget_high_s32(vacc0x12));
496 const int32x2_t vpsum0xD = vadd_s32(vget_low_s32(vacc0x13), vget_high_s32(vacc0x13));
497 const int32x2_t vpsum0xE = vadd_s32(vget_low_s32(vacc0x14), vget_high_s32(vacc0x14));
498 const int32x2_t vpsum0xF = vadd_s32(vget_low_s32(vacc0x15), vget_high_s32(vacc0x15));
499 const int32x2_t vsum0xCD = vpadd_s32(vpsum0xC, vpsum0xD);
500 const int32x2_t vsum0xEF = vpadd_s32(vpsum0xE, vpsum0xF);
501 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF );
502 const int32x2_t vpsum1x0 = vadd_s32(vget_low_s32(vacc1x0), vget_high_s32(vacc1x0));
503 const int32x2_t vpsum1x1 = vadd_s32(vget_low_s32(vacc1x1), vget_high_s32(vacc1x1));
504 const int32x2_t vpsum1x2 = vadd_s32(vget_low_s32(vacc1x2), vget_high_s32(vacc1x2));
505 const int32x2_t vpsum1x3 = vadd_s32(vget_low_s32(vacc1x3), vget_high_s32(vacc1x3));
506 const int32x2_t vsum1x01 = vpadd_s32(vpsum1x0, vpsum1x1);
507 const int32x2_t vsum1x23 = vpadd_s32(vpsum1x2, vpsum1x3);
508 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23 );
509 const int32x2_t vpsum1x4 = vadd_s32(vget_low_s32(vacc1x4), vget_high_s32(vacc1x4));
510 const int32x2_t vpsum1x5 = vadd_s32(vget_low_s32(vacc1x5), vget_high_s32(vacc1x5));
511 const int32x2_t vpsum1x6 = vadd_s32(vget_low_s32(vacc1x6), vget_high_s32(vacc1x6));
512 const int32x2_t vpsum1x7 = vadd_s32(vget_low_s32(vacc1x7), vget_high_s32(vacc1x7));
513 const int32x2_t vsum1x45 = vpadd_s32(vpsum1x4, vpsum1x5);
514 const int32x2_t vsum1x67 = vpadd_s32(vpsum1x6, vpsum1x7);
515 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67 );
516 const int32x2_t vpsum1x8 = vadd_s32(vget_low_s32(vacc1x8), vget_high_s32(vacc1x8));
517 const int32x2_t vpsum1x9 = vadd_s32(vget_low_s32(vacc1x9), vget_high_s32(vacc1x9));
518 const int32x2_t vpsum1xA = vadd_s32(vget_low_s32(vacc1x10), vget_high_s32(vacc1x10));
519 const int32x2_t vpsum1xB = vadd_s32(vget_low_s32(vacc1x11), vget_high_s32(vacc1x11));
520 const int32x2_t vsum1x89 = vpadd_s32(vpsum1x8, vpsum1x9);
521 const int32x2_t vsum1xAB = vpadd_s32(vpsum1xA, vpsum1xB);
522 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB );
523 const int32x2_t vpsum1xC = vadd_s32(vget_low_s32(vacc1x12), vget_high_s32(vacc1x12));
524 const int32x2_t vpsum1xD = vadd_s32(vget_low_s32(vacc1x13), vget_high_s32(vacc1x13));
525 const int32x2_t vpsum1xE = vadd_s32(vget_low_s32(vacc1x14), vget_high_s32(vacc1x14));
526 const int32x2_t vpsum1xF = vadd_s32(vget_low_s32(vacc1x15), vget_high_s32(vacc1x15));
527 const int32x2_t vsum1xCD = vpadd_s32(vpsum1xC, vpsum1xD);
528 const int32x2_t vsum1xEF = vpadd_s32(vpsum1xE, vpsum1xF);
529 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF );
530 const int32x2_t vpsum2x0 = vadd_s32(vget_low_s32(vacc2x0), vget_high_s32(vacc2x0));
531 const int32x2_t vpsum2x1 = vadd_s32(vget_low_s32(vacc2x1), vget_high_s32(vacc2x1));
532 const int32x2_t vpsum2x2 = vadd_s32(vget_low_s32(vacc2x2), vget_high_s32(vacc2x2));
533 const int32x2_t vpsum2x3 = vadd_s32(vget_low_s32(vacc2x3), vget_high_s32(vacc2x3));
534 const int32x2_t vsum2x01 = vpadd_s32(vpsum2x0, vpsum2x1);
535 const int32x2_t vsum2x23 = vpadd_s32(vpsum2x2, vpsum2x3);
536 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23 );
537 const int32x2_t vpsum2x4 = vadd_s32(vget_low_s32(vacc2x4), vget_high_s32(vacc2x4));
538 const int32x2_t vpsum2x5 = vadd_s32(vget_low_s32(vacc2x5), vget_high_s32(vacc2x5));
539 const int32x2_t vpsum2x6 = vadd_s32(vget_low_s32(vacc2x6), vget_high_s32(vacc2x6));
540 const int32x2_t vpsum2x7 = vadd_s32(vget_low_s32(vacc2x7), vget_high_s32(vacc2x7));
541 const int32x2_t vsum2x45 = vpadd_s32(vpsum2x4, vpsum2x5);
542 const int32x2_t vsum2x67 = vpadd_s32(vpsum2x6, vpsum2x7);
543 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67 );
544 const int32x2_t vpsum2x8 = vadd_s32(vget_low_s32(vacc2x8), vget_high_s32(vacc2x8));
545 const int32x2_t vpsum2x9 = vadd_s32(vget_low_s32(vacc2x9), vget_high_s32(vacc2x9));
546 const int32x2_t vpsum2xA = vadd_s32(vget_low_s32(vacc2x10), vget_high_s32(vacc2x10));
547 const int32x2_t vpsum2xB = vadd_s32(vget_low_s32(vacc2x11), vget_high_s32(vacc2x11));
548 const int32x2_t vsum2x89 = vpadd_s32(vpsum2x8, vpsum2x9);
549 const int32x2_t vsum2xAB = vpadd_s32(vpsum2xA, vpsum2xB);
550 int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB );
551 const int32x2_t vpsum2xC = vadd_s32(vget_low_s32(vacc2x12), vget_high_s32(vacc2x12));
552 const int32x2_t vpsum2xD = vadd_s32(vget_low_s32(vacc2x13), vget_high_s32(vacc2x13));
553 const int32x2_t vpsum2xE = vadd_s32(vget_low_s32(vacc2x14), vget_high_s32(vacc2x14));
554 const int32x2_t vpsum2xF = vadd_s32(vget_low_s32(vacc2x15), vget_high_s32(vacc2x15));
555 const int32x2_t vsum2xCD = vpadd_s32(vpsum2xC, vpsum2xD);
556 const int32x2_t vsum2xEF = vpadd_s32(vpsum2xE, vpsum2xF);
557 int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF );
558 #endif
559
560 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->neon.multiplier);
561 vacc0x0123 = vqrdmulhq_s32(vacc0x0123, vmultiplier);
562 vacc0x4567 = vqrdmulhq_s32(vacc0x4567, vmultiplier);
563 vacc0x89AB = vqrdmulhq_s32(vacc0x89AB, vmultiplier);
564 vacc0xCDEF = vqrdmulhq_s32(vacc0xCDEF, vmultiplier);
565 vacc1x0123 = vqrdmulhq_s32(vacc1x0123, vmultiplier);
566 vacc1x4567 = vqrdmulhq_s32(vacc1x4567, vmultiplier);
567 vacc1x89AB = vqrdmulhq_s32(vacc1x89AB, vmultiplier);
568 vacc1xCDEF = vqrdmulhq_s32(vacc1xCDEF, vmultiplier);
569 vacc2x0123 = vqrdmulhq_s32(vacc2x0123, vmultiplier);
570 vacc2x4567 = vqrdmulhq_s32(vacc2x4567, vmultiplier);
571 vacc2x89AB = vqrdmulhq_s32(vacc2x89AB, vmultiplier);
572 vacc2xCDEF = vqrdmulhq_s32(vacc2xCDEF, vmultiplier);
573
574 const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift);
575 const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0)));
576 vacc0x0123 = vsraq_n_s32(vacc0x0123, vbicq_s32(vacc0x0123, vzero_shift_mask), 31);
577 vacc0x4567 = vsraq_n_s32(vacc0x4567, vbicq_s32(vacc0x4567, vzero_shift_mask), 31);
578 vacc0x89AB = vsraq_n_s32(vacc0x89AB, vbicq_s32(vacc0x89AB, vzero_shift_mask), 31);
579 vacc0xCDEF = vsraq_n_s32(vacc0xCDEF, vbicq_s32(vacc0xCDEF, vzero_shift_mask), 31);
580 vacc1x0123 = vsraq_n_s32(vacc1x0123, vbicq_s32(vacc1x0123, vzero_shift_mask), 31);
581 vacc1x4567 = vsraq_n_s32(vacc1x4567, vbicq_s32(vacc1x4567, vzero_shift_mask), 31);
582 vacc1x89AB = vsraq_n_s32(vacc1x89AB, vbicq_s32(vacc1x89AB, vzero_shift_mask), 31);
583 vacc1xCDEF = vsraq_n_s32(vacc1xCDEF, vbicq_s32(vacc1xCDEF, vzero_shift_mask), 31);
584 vacc2x0123 = vsraq_n_s32(vacc2x0123, vbicq_s32(vacc2x0123, vzero_shift_mask), 31);
585 vacc2x4567 = vsraq_n_s32(vacc2x4567, vbicq_s32(vacc2x4567, vzero_shift_mask), 31);
586 vacc2x89AB = vsraq_n_s32(vacc2x89AB, vbicq_s32(vacc2x89AB, vzero_shift_mask), 31);
587 vacc2xCDEF = vsraq_n_s32(vacc2xCDEF, vbicq_s32(vacc2xCDEF, vzero_shift_mask), 31);
588
589 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_shift);
590 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_shift);
591 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_shift);
592 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_shift);
593 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_shift);
594 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_shift);
595 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_shift);
596 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_shift);
597 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_shift);
598 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_shift);
599 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_shift);
600 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_shift);
601
602 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point);
603 #if XNN_ARCH_ARM64
604 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
605 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF), voutput_zero_point);
606 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
607 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF), voutput_zero_point);
608 const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
609 const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF), voutput_zero_point);
610 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
611 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
612 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
613 #else
614 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
615 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF)), voutput_zero_point);
616 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
617 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF)), voutput_zero_point);
618 const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
619 const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF)), voutput_zero_point);
620
621 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
622 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
623 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
624 #endif
625 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->neon.output_min);
626 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->neon.output_max);
627
628 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
629 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
630 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
631
632 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
633 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
634 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
635
636 if (nc >= 16) {
637 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
638 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
639 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
640
641 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
642 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
643 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
644
645 a = (const int8_t**restrict) ((uintptr_t) a - ks);
646
647 nc -= 16;
648 } else {
649 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
650 int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
651 if (nc & 8) {
652 vst1_s8(c2, vout2x01234567); c2 += 8;
653 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
654 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
655 vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
656 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
657 }
658 if (nc & 4) {
659 vst1_lane_u32(__builtin_assume_aligned(c2, 1), vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
660 vst1q_lane_u32(__builtin_assume_aligned(c1, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
661 vst1q_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
662 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
663 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
664 }
665 if (nc & 2) {
666 vst1_lane_u16(__builtin_assume_aligned(c2, 1), vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
667 vst1q_lane_u16(__builtin_assume_aligned(c1, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
668 vst1q_lane_u16(__builtin_assume_aligned(c0, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
669 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
670 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
671 }
672 if (nc & 1) {
673 vst1_lane_s8(c2, vout2x01234567, 0);
674 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
675 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
676 }
677
678 nc = 0;
679 }
680 } while (nc != 0);
681 }
682