1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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_gemm_minmax_rndnu_ukernel_3x16c4__neon_mlal_dup(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_3x16c4__neon_mlal_dup(
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, 4 * 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 vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
57 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
58 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
59 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
60 int32x4_t vacc0x89 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
61 int32x4_t vacc0xAB = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
62 int32x4_t vacc0xCD = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
63 int32x4_t vacc0xEF = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
64 int32x4_t vacc1x01 = vacc0x01;
65 int32x4_t vacc1x23 = vacc0x23;
66 int32x4_t vacc1x45 = vacc0x45;
67 int32x4_t vacc1x67 = vacc0x67;
68 int32x4_t vacc1x89 = vacc0x89;
69 int32x4_t vacc1xAB = vacc0xAB;
70 int32x4_t vacc1xCD = vacc0xCD;
71 int32x4_t vacc1xEF = vacc0xEF;
72 int32x4_t vacc2x01 = vacc0x01;
73 int32x4_t vacc2x23 = vacc0x23;
74 int32x4_t vacc2x45 = vacc0x45;
75 int32x4_t vacc2x67 = vacc0x67;
76 int32x4_t vacc2x89 = vacc0x89;
77 int32x4_t vacc2xAB = vacc0xAB;
78 int32x4_t vacc2xCD = vacc0xCD;
79 int32x4_t vacc2xEF = vacc0xEF;
80
81 size_t k = kc;
82
83 while (k >= 16 * sizeof(int8_t)) {
84 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
85 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
86 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
87 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
88 const int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
89 const int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
90
91 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95 const int8x8_t vb89c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96 const int8x8_t vbABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
97 const int8x8_t vbCDc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vbEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
103 const int8x8_t vb89c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 const int8x8_t vbABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105 const int8x8_t vbCDc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 const int8x8_t vbEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107
108 const int8x8_t va0c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 0));
109 const int8x8_t va0c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 0));
110 const int8x8_t va1c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 0));
111 const int8x8_t va1c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 0));
112 const int8x8_t va2c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x0), 0));
113 const int8x8_t va2c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x1), 0));
114
115 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
116 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
117 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2c0x0);
118 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
119 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
120 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
121 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2c0x1);
122 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
123 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
124 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
125 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
126 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
127 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2c0x0);
128 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
129 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
130 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
131 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2c0x1);
132 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
133 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
134 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
135 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
136 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
137 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2c0x0);
138 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
140 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
141 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2c0x1);
142 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
143 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
144 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
145 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
146 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
147 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2c0x0);
148 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
149 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
150 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
151 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2c0x1);
152 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
153 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
154 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
155 int16x8_t vprod0x89c0 = vmull_s8(vb89c0x0, va0c0x0);
156 int16x8_t vprod1x89c0 = vmull_s8(vb89c0x0, va1c0x0);
157 int16x8_t vprod2x89c0 = vmull_s8(vb89c0x0, va2c0x0);
158 const int8x8_t vb89c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
159 vprod0x89c0 = vmlal_s8(vprod0x89c0, vb89c0x1, va0c0x1);
160 vprod1x89c0 = vmlal_s8(vprod1x89c0, vb89c0x1, va1c0x1);
161 vprod2x89c0 = vmlal_s8(vprod2x89c0, vb89c0x1, va2c0x1);
162 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
163 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
164 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
165 int16x8_t vprod0xABc0 = vmull_s8(vbABc0x0, va0c0x0);
166 int16x8_t vprod1xABc0 = vmull_s8(vbABc0x0, va1c0x0);
167 int16x8_t vprod2xABc0 = vmull_s8(vbABc0x0, va2c0x0);
168 const int8x8_t vbABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 vprod0xABc0 = vmlal_s8(vprod0xABc0, vbABc0x1, va0c0x1);
170 vprod1xABc0 = vmlal_s8(vprod1xABc0, vbABc0x1, va1c0x1);
171 vprod2xABc0 = vmlal_s8(vprod2xABc0, vbABc0x1, va2c0x1);
172 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
173 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
174 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
175 int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0x0, va0c0x0);
176 int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0x0, va1c0x0);
177 int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0x0, va2c0x0);
178 const int8x8_t vbCDc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
179 vprod0xCDc0 = vmlal_s8(vprod0xCDc0, vbCDc0x1, va0c0x1);
180 vprod1xCDc0 = vmlal_s8(vprod1xCDc0, vbCDc0x1, va1c0x1);
181 vprod2xCDc0 = vmlal_s8(vprod2xCDc0, vbCDc0x1, va2c0x1);
182 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
183 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
184 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
185 int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0x0, va0c0x0);
186 int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0x0, va1c0x0);
187 int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0x0, va2c0x0);
188 const int8x8_t vbEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
189 vprod0xEFc0 = vmlal_s8(vprod0xEFc0, vbEFc0x1, va0c0x1);
190 vprod1xEFc0 = vmlal_s8(vprod1xEFc0, vbEFc0x1, va1c0x1);
191 vprod2xEFc0 = vmlal_s8(vprod2xEFc0, vbEFc0x1, va2c0x1);
192 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
193 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
194 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
195 const int8x8_t va0c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 1));
196 const int8x8_t va0c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 1));
197 const int8x8_t va1c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 1));
198 const int8x8_t va1c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 1));
199 const int8x8_t va2c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x0), 1));
200 const int8x8_t va2c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x1), 1));
201
202 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
203 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
204 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2c1x0);
205 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
206 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
207 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
208 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2c1x1);
209 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
210 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
211 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
212 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
213 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
214 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2c1x0);
215 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
216 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
217 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
218 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2c1x1);
219 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
220 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
221 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
222 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
223 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
224 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2c1x0);
225 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
226 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
227 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
228 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2c1x1);
229 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
230 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
231 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
232 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
233 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
234 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2c1x0);
235 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
236 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
237 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
238 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2c1x1);
239 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
240 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
241 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
242 int16x8_t vprod0x89c1 = vmull_s8(vb89c1x0, va0c1x0);
243 int16x8_t vprod1x89c1 = vmull_s8(vb89c1x0, va1c1x0);
244 int16x8_t vprod2x89c1 = vmull_s8(vb89c1x0, va2c1x0);
245 const int8x8_t vb89c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
246 vprod0x89c1 = vmlal_s8(vprod0x89c1, vb89c1x1, va0c1x1);
247 vprod1x89c1 = vmlal_s8(vprod1x89c1, vb89c1x1, va1c1x1);
248 vprod2x89c1 = vmlal_s8(vprod2x89c1, vb89c1x1, va2c1x1);
249 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
250 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
251 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
252 int16x8_t vprod0xABc1 = vmull_s8(vbABc1x0, va0c1x0);
253 int16x8_t vprod1xABc1 = vmull_s8(vbABc1x0, va1c1x0);
254 int16x8_t vprod2xABc1 = vmull_s8(vbABc1x0, va2c1x0);
255 const int8x8_t vbABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
256 vprod0xABc1 = vmlal_s8(vprod0xABc1, vbABc1x1, va0c1x1);
257 vprod1xABc1 = vmlal_s8(vprod1xABc1, vbABc1x1, va1c1x1);
258 vprod2xABc1 = vmlal_s8(vprod2xABc1, vbABc1x1, va2c1x1);
259 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
260 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
261 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
262 int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1x0, va0c1x0);
263 int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1x0, va1c1x0);
264 int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1x0, va2c1x0);
265 const int8x8_t vbCDc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
266 vprod0xCDc1 = vmlal_s8(vprod0xCDc1, vbCDc1x1, va0c1x1);
267 vprod1xCDc1 = vmlal_s8(vprod1xCDc1, vbCDc1x1, va1c1x1);
268 vprod2xCDc1 = vmlal_s8(vprod2xCDc1, vbCDc1x1, va2c1x1);
269 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
270 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
271 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
272 int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1x0, va0c1x0);
273 int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1x0, va1c1x0);
274 int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1x0, va2c1x0);
275 const int8x8_t vbEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
276 vprod0xEFc1 = vmlal_s8(vprod0xEFc1, vbEFc1x1, va0c1x1);
277 vprod1xEFc1 = vmlal_s8(vprod1xEFc1, vbEFc1x1, va1c1x1);
278 vprod2xEFc1 = vmlal_s8(vprod2xEFc1, vbEFc1x1, va2c1x1);
279 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
280 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
281 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
282
283 k -= 16 * sizeof(int8_t);
284 }
285
286 if (k >= 8 * sizeof(int8_t)) {
287 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
288 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
289 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
290
291 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
292 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
293 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
294 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
295 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
296 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
297 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
298 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
299 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
300 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
301 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
302 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
303 const int8x8_t vb89c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
304 const int8x8_t vbABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
305 const int8x8_t vbCDc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
306 const int8x8_t vbEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
307
308 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
309 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
310 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
311
312 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
313 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
314 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
315 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
316 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
317 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
318 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
319 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
320 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
321 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
322 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
323 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
324 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
325 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
326 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
327 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
328 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
329 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
330 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
331 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
332 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
333 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
334 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
335 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
336 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
337 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
338 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
339 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
340 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
341 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
342 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
343 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
344 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
345 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
346 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
347 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
348 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
349 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
350 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
351 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
352 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
353 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
354 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
355 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
356 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
357 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
358 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
359 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
360 const int8x8_t va0c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 1));
361 const int8x8_t va1c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 1));
362 const int8x8_t va2c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 1));
363
364 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
365 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
366 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
367 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
368 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
369 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
370 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
371 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
372 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
373 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
374 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
375 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
376 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
377 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
378 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
379 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
380 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
381 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
382 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
383 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
384 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
385 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
386 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
387 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
388 const int16x8_t vprod0x89c1 = vmull_s8(vb89c1, va0c1);
389 const int16x8_t vprod1x89c1 = vmull_s8(vb89c1, va1c1);
390 const int16x8_t vprod2x89c1 = vmull_s8(vb89c1, va2c1);
391 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
392 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
393 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
394 const int16x8_t vprod0xABc1 = vmull_s8(vbABc1, va0c1);
395 const int16x8_t vprod1xABc1 = vmull_s8(vbABc1, va1c1);
396 const int16x8_t vprod2xABc1 = vmull_s8(vbABc1, va2c1);
397 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
398 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
399 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
400 const int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1, va0c1);
401 const int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1, va1c1);
402 const int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1, va2c1);
403 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
404 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
405 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
406 const int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1, va0c1);
407 const int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1, va1c1);
408 const int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1, va2c1);
409 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
410 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
411 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
412
413 k -= 8 * sizeof(int8_t);
414 }
415
416 if XNN_UNLIKELY(k != 0) {
417 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
418 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
419 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
420
421 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
422 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
423 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
424 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
425 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
426 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
427 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
428 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
429
430 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
431 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
432 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
433 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
434 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
435 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
436 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
437 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
438 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
439 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
440 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
441 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
442 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
443 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
444 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
445 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
446 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
447 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
448 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
449 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
450 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
451 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
452 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
453 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
454 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
455 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
456 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
457 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
458 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
459 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
460 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
461 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
462 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
463 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
464 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
465 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
466 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
467 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
468 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
469 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
470 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
471 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
472 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
473 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
474 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
475 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
476 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
477 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
478 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
479 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
480 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
481 }
482
483 #if XNN_ARCH_ARM64
484 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
485 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
486 int32x4_t vacc0x89AB = vpaddq_s32(vacc0x89, vacc0xAB);
487 int32x4_t vacc0xCDEF = vpaddq_s32(vacc0xCD, vacc0xEF);
488 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
489 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
490 int32x4_t vacc1x89AB = vpaddq_s32(vacc1x89, vacc1xAB);
491 int32x4_t vacc1xCDEF = vpaddq_s32(vacc1xCD, vacc1xEF);
492 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
493 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
494 int32x4_t vacc2x89AB = vpaddq_s32(vacc2x89, vacc2xAB);
495 int32x4_t vacc2xCDEF = vpaddq_s32(vacc2xCD, vacc2xEF);
496 #else
497 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
498 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
499 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
500 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
501 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
502 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
503 const int32x2_t vsum0x89 = vpadd_s32(vget_low_s32(vacc0x89), vget_high_s32(vacc0x89));
504 const int32x2_t vsum0xAB = vpadd_s32(vget_low_s32(vacc0xAB), vget_high_s32(vacc0xAB));
505 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB);
506 const int32x2_t vsum0xCD = vpadd_s32(vget_low_s32(vacc0xCD), vget_high_s32(vacc0xCD));
507 const int32x2_t vsum0xEF = vpadd_s32(vget_low_s32(vacc0xEF), vget_high_s32(vacc0xEF));
508 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF);
509 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
510 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
511 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
512 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
513 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
514 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
515 const int32x2_t vsum1x89 = vpadd_s32(vget_low_s32(vacc1x89), vget_high_s32(vacc1x89));
516 const int32x2_t vsum1xAB = vpadd_s32(vget_low_s32(vacc1xAB), vget_high_s32(vacc1xAB));
517 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB);
518 const int32x2_t vsum1xCD = vpadd_s32(vget_low_s32(vacc1xCD), vget_high_s32(vacc1xCD));
519 const int32x2_t vsum1xEF = vpadd_s32(vget_low_s32(vacc1xEF), vget_high_s32(vacc1xEF));
520 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF);
521 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
522 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
523 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
524 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
525 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
526 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
527 const int32x2_t vsum2x89 = vpadd_s32(vget_low_s32(vacc2x89), vget_high_s32(vacc2x89));
528 const int32x2_t vsum2xAB = vpadd_s32(vget_low_s32(vacc2xAB), vget_high_s32(vacc2xAB));
529 int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB);
530 const int32x2_t vsum2xCD = vpadd_s32(vget_low_s32(vacc2xCD), vget_high_s32(vacc2xCD));
531 const int32x2_t vsum2xEF = vpadd_s32(vget_low_s32(vacc2xEF), vget_high_s32(vacc2xEF));
532 int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF);
533 #endif
534
535 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
536 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
537 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
538
539 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
540 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
541 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
542 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
543 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
544 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
545 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
546 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
547 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
548 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
549 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
550 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
551
552 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
553 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
554 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
555 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
556 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
557 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
558 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
559 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
560 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
561 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
562 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
563 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
564
565 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
566 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
567 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
568 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
569 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
570 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
571 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
572 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
573 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
574 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
575 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
576 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
577
578 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
579 #if XNN_ARCH_ARM64
580 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
581 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
582 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
583 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
584 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
585 int16x8_t vacc2x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF);
586
587 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
588 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
589 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
590 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
591 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
592 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
593
594 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
595 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
596 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
597 #else
598 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
599 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
600 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
601 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
602 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
603 int16x8_t vacc2x89ABCDEF = vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF));
604
605 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
606 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
607 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
608 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
609 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
610 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
611
612 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
613 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
614 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
615 #endif
616
617 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
618 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
619 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
620 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
621
622 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
623 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
624 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
625 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
626
627 if (nc >= 16) {
628 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
629 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
630 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
631
632 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
633 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
634 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
635
636 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
637 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
638 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
639
640 nc -= 16;
641 } else {
642 // Final case where not all of the 16 columns fit in the destination.
643 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
644 int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
645 if (nc & 8) {
646 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
647 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
648 vst1_s8(c2, vout2x01234567); c2 += 8;
649 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
650 vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
651 }
652 if (nc & 4) {
653 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
654 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
655 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
656 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
657 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
658 }
659 if (nc & 2) {
660 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
661 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
662 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
663 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
664 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
665 }
666 if (nc & 1) {
667 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
668 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
669 vst1_lane_s8(c2, vout2x01234567, 0);
670 }
671
672 nc = 0;
673 }
674 } while (nc != 0);
675 }
676