1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-neon-mull-dup.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <arm_neon.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_igemm_minmax_rndnu_ukernel_3x16c4__neon_mlal_dup(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_rndnu_ukernel_3x16c4__neon_mlal_dup(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 3);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (3 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 4 * sizeof(int8_t));
44 int8_t* c0 = c;
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 c1 = c0;
48 }
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 c2 = c1;
52 }
53
54 do {
55 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
56 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
57 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
58 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
59 int32x4_t vacc0x89 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
60 int32x4_t vacc0xAB = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
61 int32x4_t vacc0xCD = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
62 int32x4_t vacc0xEF = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
63 int32x4_t vacc1x01 = vacc0x01;
64 int32x4_t vacc1x23 = vacc0x23;
65 int32x4_t vacc1x45 = vacc0x45;
66 int32x4_t vacc1x67 = vacc0x67;
67 int32x4_t vacc1x89 = vacc0x89;
68 int32x4_t vacc1xAB = vacc0xAB;
69 int32x4_t vacc1xCD = vacc0xCD;
70 int32x4_t vacc1xEF = vacc0xEF;
71 int32x4_t vacc2x01 = vacc0x01;
72 int32x4_t vacc2x23 = vacc0x23;
73 int32x4_t vacc2x45 = vacc0x45;
74 int32x4_t vacc2x67 = vacc0x67;
75 int32x4_t vacc2x89 = vacc0x89;
76 int32x4_t vacc2xAB = vacc0xAB;
77 int32x4_t vacc2xCD = vacc0xCD;
78 int32x4_t vacc2xEF = vacc0xEF;
79
80 size_t p = ks;
81 do {
82 const int8_t* restrict a0 = a[0];
83 if XNN_UNPREDICTABLE(a0 != zero) {
84 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
85 }
86 const int8_t* restrict a1 = a[1];
87 if XNN_UNPREDICTABLE(a1 != zero) {
88 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
89 }
90 const int8_t* restrict a2 = a[2];
91 if XNN_UNPREDICTABLE(a2 != zero) {
92 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
93 }
94 a += 3;
95
96 size_t k = kc;
97
98 while (k >= 16 * sizeof(int8_t)) {
99 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
100 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
101 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
102 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
103 const int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
104 const int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
105
106 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
109 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
110 const int8x8_t vb89c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 const int8x8_t vbABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 const int8x8_t vbCDc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113 const int8x8_t vbEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118 const int8x8_t vb89c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
119 const int8x8_t vbABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
120 const int8x8_t vbCDc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
121 const int8x8_t vbEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
122
123 const int8x8_t va0c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 0));
124 const int8x8_t va0c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 0));
125 const int8x8_t va1c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 0));
126 const int8x8_t va1c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 0));
127 const int8x8_t va2c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x0), 0));
128 const int8x8_t va2c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x1), 0));
129
130 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
131 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
132 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2c0x0);
133 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
134 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
135 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
136 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2c0x1);
137 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
138 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
139 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
140 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
141 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
142 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2c0x0);
143 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
144 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
145 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
146 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2c0x1);
147 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
148 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
149 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
150 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
151 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
152 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2c0x0);
153 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
154 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
155 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
156 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2c0x1);
157 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
158 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
159 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
160 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
161 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
162 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2c0x0);
163 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
164 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
165 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
166 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2c0x1);
167 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
168 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
169 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
170 int16x8_t vprod0x89c0 = vmull_s8(vb89c0x0, va0c0x0);
171 int16x8_t vprod1x89c0 = vmull_s8(vb89c0x0, va1c0x0);
172 int16x8_t vprod2x89c0 = vmull_s8(vb89c0x0, va2c0x0);
173 const int8x8_t vb89c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
174 vprod0x89c0 = vmlal_s8(vprod0x89c0, vb89c0x1, va0c0x1);
175 vprod1x89c0 = vmlal_s8(vprod1x89c0, vb89c0x1, va1c0x1);
176 vprod2x89c0 = vmlal_s8(vprod2x89c0, vb89c0x1, va2c0x1);
177 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
178 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
179 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
180 int16x8_t vprod0xABc0 = vmull_s8(vbABc0x0, va0c0x0);
181 int16x8_t vprod1xABc0 = vmull_s8(vbABc0x0, va1c0x0);
182 int16x8_t vprod2xABc0 = vmull_s8(vbABc0x0, va2c0x0);
183 const int8x8_t vbABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
184 vprod0xABc0 = vmlal_s8(vprod0xABc0, vbABc0x1, va0c0x1);
185 vprod1xABc0 = vmlal_s8(vprod1xABc0, vbABc0x1, va1c0x1);
186 vprod2xABc0 = vmlal_s8(vprod2xABc0, vbABc0x1, va2c0x1);
187 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
188 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
189 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
190 int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0x0, va0c0x0);
191 int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0x0, va1c0x0);
192 int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0x0, va2c0x0);
193 const int8x8_t vbCDc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
194 vprod0xCDc0 = vmlal_s8(vprod0xCDc0, vbCDc0x1, va0c0x1);
195 vprod1xCDc0 = vmlal_s8(vprod1xCDc0, vbCDc0x1, va1c0x1);
196 vprod2xCDc0 = vmlal_s8(vprod2xCDc0, vbCDc0x1, va2c0x1);
197 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
198 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
199 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
200 int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0x0, va0c0x0);
201 int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0x0, va1c0x0);
202 int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0x0, va2c0x0);
203 const int8x8_t vbEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
204 vprod0xEFc0 = vmlal_s8(vprod0xEFc0, vbEFc0x1, va0c0x1);
205 vprod1xEFc0 = vmlal_s8(vprod1xEFc0, vbEFc0x1, va1c0x1);
206 vprod2xEFc0 = vmlal_s8(vprod2xEFc0, vbEFc0x1, va2c0x1);
207 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
208 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
209 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
210 const int8x8_t va0c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 1));
211 const int8x8_t va0c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 1));
212 const int8x8_t va1c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 1));
213 const int8x8_t va1c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 1));
214 const int8x8_t va2c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x0), 1));
215 const int8x8_t va2c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x1), 1));
216
217 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
218 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
219 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2c1x0);
220 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
221 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
222 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
223 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2c1x1);
224 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
225 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
226 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
227 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
228 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
229 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2c1x0);
230 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
231 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
232 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
233 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2c1x1);
234 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
235 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
236 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
237 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
238 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
239 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2c1x0);
240 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
241 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
242 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
243 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2c1x1);
244 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
245 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
246 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
247 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
248 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
249 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2c1x0);
250 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
251 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
252 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
253 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2c1x1);
254 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
255 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
256 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
257 int16x8_t vprod0x89c1 = vmull_s8(vb89c1x0, va0c1x0);
258 int16x8_t vprod1x89c1 = vmull_s8(vb89c1x0, va1c1x0);
259 int16x8_t vprod2x89c1 = vmull_s8(vb89c1x0, va2c1x0);
260 const int8x8_t vb89c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
261 vprod0x89c1 = vmlal_s8(vprod0x89c1, vb89c1x1, va0c1x1);
262 vprod1x89c1 = vmlal_s8(vprod1x89c1, vb89c1x1, va1c1x1);
263 vprod2x89c1 = vmlal_s8(vprod2x89c1, vb89c1x1, va2c1x1);
264 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
265 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
266 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
267 int16x8_t vprod0xABc1 = vmull_s8(vbABc1x0, va0c1x0);
268 int16x8_t vprod1xABc1 = vmull_s8(vbABc1x0, va1c1x0);
269 int16x8_t vprod2xABc1 = vmull_s8(vbABc1x0, va2c1x0);
270 const int8x8_t vbABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
271 vprod0xABc1 = vmlal_s8(vprod0xABc1, vbABc1x1, va0c1x1);
272 vprod1xABc1 = vmlal_s8(vprod1xABc1, vbABc1x1, va1c1x1);
273 vprod2xABc1 = vmlal_s8(vprod2xABc1, vbABc1x1, va2c1x1);
274 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
275 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
276 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
277 int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1x0, va0c1x0);
278 int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1x0, va1c1x0);
279 int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1x0, va2c1x0);
280 const int8x8_t vbCDc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
281 vprod0xCDc1 = vmlal_s8(vprod0xCDc1, vbCDc1x1, va0c1x1);
282 vprod1xCDc1 = vmlal_s8(vprod1xCDc1, vbCDc1x1, va1c1x1);
283 vprod2xCDc1 = vmlal_s8(vprod2xCDc1, vbCDc1x1, va2c1x1);
284 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
285 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
286 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
287 int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1x0, va0c1x0);
288 int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1x0, va1c1x0);
289 int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1x0, va2c1x0);
290 const int8x8_t vbEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
291 vprod0xEFc1 = vmlal_s8(vprod0xEFc1, vbEFc1x1, va0c1x1);
292 vprod1xEFc1 = vmlal_s8(vprod1xEFc1, vbEFc1x1, va1c1x1);
293 vprod2xEFc1 = vmlal_s8(vprod2xEFc1, vbEFc1x1, va2c1x1);
294 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
295 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
296 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
297
298 k -= 16 * sizeof(int8_t);
299 }
300
301 if (k >= 8 * sizeof(int8_t)) {
302 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
303 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
304 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
305
306 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
307 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
308 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
309 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
310 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
311 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
312 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
313 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
314 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
315 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
316 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
317 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
318 const int8x8_t vb89c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
319 const int8x8_t vbABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
320 const int8x8_t vbCDc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
321 const int8x8_t vbEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
322
323 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
324 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
325 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
326
327 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
328 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
329 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
330 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
331 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
332 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
333 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
334 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
335 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
336 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
337 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
338 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
339 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
340 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
341 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
342 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
343 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
344 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
345 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
346 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
347 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
348 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
349 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
350 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
351 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
352 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
353 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
354 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
355 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
356 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
357 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
358 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
359 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
360 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
361 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
362 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
363 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
364 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
365 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
366 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
367 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
368 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
369 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
370 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
371 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
372 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
373 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
374 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
375 const int8x8_t va0c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 1));
376 const int8x8_t va1c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 1));
377 const int8x8_t va2c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 1));
378
379 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
380 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
381 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
382 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
383 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
384 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
385 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
386 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
387 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
388 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
389 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
390 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
391 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
392 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
393 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
394 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
395 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
396 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
397 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
398 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
399 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
400 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
401 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
402 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
403 const int16x8_t vprod0x89c1 = vmull_s8(vb89c1, va0c1);
404 const int16x8_t vprod1x89c1 = vmull_s8(vb89c1, va1c1);
405 const int16x8_t vprod2x89c1 = vmull_s8(vb89c1, va2c1);
406 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
407 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
408 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
409 const int16x8_t vprod0xABc1 = vmull_s8(vbABc1, va0c1);
410 const int16x8_t vprod1xABc1 = vmull_s8(vbABc1, va1c1);
411 const int16x8_t vprod2xABc1 = vmull_s8(vbABc1, va2c1);
412 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
413 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
414 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
415 const int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1, va0c1);
416 const int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1, va1c1);
417 const int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1, va2c1);
418 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
419 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
420 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
421 const int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1, va0c1);
422 const int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1, va1c1);
423 const int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1, va2c1);
424 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
425 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
426 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
427
428 k -= 8 * sizeof(int8_t);
429 }
430
431 if XNN_UNLIKELY(k != 0) {
432 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
433 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
434 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
435
436 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
437 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
438 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
439 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
440 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
441 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
442 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
443 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
444
445 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
446 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
447 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
448 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
449 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
450 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
451 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
452 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
453 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
454 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
455 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
456 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
457 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
458 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
459 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
460 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
461 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
462 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
463 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
464 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
465 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
466 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
467 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
468 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
469 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
470 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
471 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
472 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
473 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
474 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
475 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
476 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
477 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
478 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
479 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
480 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
481 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
482 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
483 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
484 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
485 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
486 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
487 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
488 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
489 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
490 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
491 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
492 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
493 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
494 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
495 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
496 }
497 p -= 3 * sizeof(void*);
498 } while (p != 0);
499
500 #if XNN_ARCH_ARM64
501 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
502 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
503 int32x4_t vacc0x89AB = vpaddq_s32(vacc0x89, vacc0xAB);
504 int32x4_t vacc0xCDEF = vpaddq_s32(vacc0xCD, vacc0xEF);
505 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
506 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
507 int32x4_t vacc1x89AB = vpaddq_s32(vacc1x89, vacc1xAB);
508 int32x4_t vacc1xCDEF = vpaddq_s32(vacc1xCD, vacc1xEF);
509 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
510 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
511 int32x4_t vacc2x89AB = vpaddq_s32(vacc2x89, vacc2xAB);
512 int32x4_t vacc2xCDEF = vpaddq_s32(vacc2xCD, vacc2xEF);
513 #else
514 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
515 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
516 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
517 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
518 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
519 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
520 const int32x2_t vsum0x89 = vpadd_s32(vget_low_s32(vacc0x89), vget_high_s32(vacc0x89));
521 const int32x2_t vsum0xAB = vpadd_s32(vget_low_s32(vacc0xAB), vget_high_s32(vacc0xAB));
522 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB);
523 const int32x2_t vsum0xCD = vpadd_s32(vget_low_s32(vacc0xCD), vget_high_s32(vacc0xCD));
524 const int32x2_t vsum0xEF = vpadd_s32(vget_low_s32(vacc0xEF), vget_high_s32(vacc0xEF));
525 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF);
526 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
527 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
528 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
529 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
530 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
531 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
532 const int32x2_t vsum1x89 = vpadd_s32(vget_low_s32(vacc1x89), vget_high_s32(vacc1x89));
533 const int32x2_t vsum1xAB = vpadd_s32(vget_low_s32(vacc1xAB), vget_high_s32(vacc1xAB));
534 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB);
535 const int32x2_t vsum1xCD = vpadd_s32(vget_low_s32(vacc1xCD), vget_high_s32(vacc1xCD));
536 const int32x2_t vsum1xEF = vpadd_s32(vget_low_s32(vacc1xEF), vget_high_s32(vacc1xEF));
537 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF);
538 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
539 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
540 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
541 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
542 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
543 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
544 const int32x2_t vsum2x89 = vpadd_s32(vget_low_s32(vacc2x89), vget_high_s32(vacc2x89));
545 const int32x2_t vsum2xAB = vpadd_s32(vget_low_s32(vacc2xAB), vget_high_s32(vacc2xAB));
546 int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB);
547 const int32x2_t vsum2xCD = vpadd_s32(vget_low_s32(vacc2xCD), vget_high_s32(vacc2xCD));
548 const int32x2_t vsum2xEF = vpadd_s32(vget_low_s32(vacc2xEF), vget_high_s32(vacc2xEF));
549 int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF);
550 #endif
551
552 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
553 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
554 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
555
556 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
557 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
558 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
559 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
560 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
561 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
562 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
563 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
564 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
565 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
566 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
567 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
568
569 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
570 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
571 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
572 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
573 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
574 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
575 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
576 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
577 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
578 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
579 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
580 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
581
582 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
583 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
584 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
585 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
586 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
587 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
588 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
589 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
590 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
591 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
592 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
593 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
594
595 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
596 #if XNN_ARCH_ARM64
597 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
598 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
599 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
600 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
601 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
602 int16x8_t vacc2x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF);
603
604 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
605 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
606 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
607 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
608 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
609 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
610
611 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
612 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
613 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
614 #else
615 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
616 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
617 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
618 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
619 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
620 int16x8_t vacc2x89ABCDEF = vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF));
621
622 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
623 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
624 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
625 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
626 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
627 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
628
629 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
630 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
631 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
632 #endif
633
634 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
635 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
636 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
637 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
638
639 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
640 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
641 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
642 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
643
644 if (nc >= 16) {
645 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
646 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
647 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
648
649 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
650 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
651 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
652
653 a = (const int8_t**restrict) ((uintptr_t) a - ks);
654
655 nc -= 16;
656 } else {
657 int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
658 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
659 if (nc & 8) {
660 vst1_s8(c2, vout2x01234567); c2 += 8;
661 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
662 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
663 vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
664 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
665 }
666 if (nc & 4) {
667 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
668 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
669 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
670 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
671 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
672 }
673 if (nc & 2) {
674 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
675 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
676 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
677 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
678 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
679 }
680 if (nc & 1) {
681 vst1_lane_s8(c2, vout2x01234567, 0);
682 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
683 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
684 }
685
686 nc = 0;
687 }
688 } while (nc != 0);
689 }
690