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_ld1r(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_ld1r(
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 int32x2_t va00x0 = vld1_dup_s32((const void*)a0);
85 const int32x2_t va01x0 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
86 const int32x2_t va00x1 = vld1_dup_s32((const void*)a0);
87 const int32x2_t va01x1 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
88 const int32x2_t va10x0 = vld1_dup_s32((const void*)a1);
89 const int32x2_t va11x0 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
90 const int32x2_t va10x1 = vld1_dup_s32((const void*)a1);
91 const int32x2_t va11x1 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
92 const int32x2_t va20x0 = vld1_dup_s32((const void*)a2);
93 const int32x2_t va21x0 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
94 const int32x2_t va20x1 = vld1_dup_s32((const void*)a2);
95 const int32x2_t va21x1 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
96
97 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
100 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 const int8x8_t vb89c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
102 const int8x8_t vbABc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
103 const int8x8_t vbCDc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 const int8x8_t vbEFc0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
109 const int8x8_t vb89c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
110 const int8x8_t vbABc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 const int8x8_t vbCDc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 const int8x8_t vbEFc1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113
114 const int8x8_t va0c0x0 = vreinterpret_s8_s32(va00x0);
115 const int8x8_t va0c0x1 = vreinterpret_s8_s32(va00x1);
116 const int8x8_t va1c0x0 = vreinterpret_s8_s32(va10x0);
117 const int8x8_t va1c0x1 = vreinterpret_s8_s32(va10x1);
118 const int8x8_t va2c0x0 = vreinterpret_s8_s32(va20x0);
119 const int8x8_t va2c0x1 = vreinterpret_s8_s32(va20x1);
120
121 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
122 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
123 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2c0x0);
124 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
125 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
126 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
127 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2c0x1);
128 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
129 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
130 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
131 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
132 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
133 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2c0x0);
134 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
135 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
136 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
137 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2c0x1);
138 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
139 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
140 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
141 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
142 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
143 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2c0x0);
144 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
145 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
146 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
147 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2c0x1);
148 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
149 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
150 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
151 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
152 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
153 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2c0x0);
154 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
156 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
157 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2c0x1);
158 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
159 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
160 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
161 int16x8_t vprod0x89c0 = vmull_s8(vb89c0x0, va0c0x0);
162 int16x8_t vprod1x89c0 = vmull_s8(vb89c0x0, va1c0x0);
163 int16x8_t vprod2x89c0 = vmull_s8(vb89c0x0, va2c0x0);
164 const int8x8_t vb89c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
165 vprod0x89c0 = vmlal_s8(vprod0x89c0, vb89c0x1, va0c0x1);
166 vprod1x89c0 = vmlal_s8(vprod1x89c0, vb89c0x1, va1c0x1);
167 vprod2x89c0 = vmlal_s8(vprod2x89c0, vb89c0x1, va2c0x1);
168 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
169 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
170 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
171 int16x8_t vprod0xABc0 = vmull_s8(vbABc0x0, va0c0x0);
172 int16x8_t vprod1xABc0 = vmull_s8(vbABc0x0, va1c0x0);
173 int16x8_t vprod2xABc0 = vmull_s8(vbABc0x0, va2c0x0);
174 const int8x8_t vbABc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
175 vprod0xABc0 = vmlal_s8(vprod0xABc0, vbABc0x1, va0c0x1);
176 vprod1xABc0 = vmlal_s8(vprod1xABc0, vbABc0x1, va1c0x1);
177 vprod2xABc0 = vmlal_s8(vprod2xABc0, vbABc0x1, va2c0x1);
178 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
179 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
180 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
181 int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0x0, va0c0x0);
182 int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0x0, va1c0x0);
183 int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0x0, va2c0x0);
184 const int8x8_t vbCDc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
185 vprod0xCDc0 = vmlal_s8(vprod0xCDc0, vbCDc0x1, va0c0x1);
186 vprod1xCDc0 = vmlal_s8(vprod1xCDc0, vbCDc0x1, va1c0x1);
187 vprod2xCDc0 = vmlal_s8(vprod2xCDc0, vbCDc0x1, va2c0x1);
188 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
189 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
190 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
191 int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0x0, va0c0x0);
192 int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0x0, va1c0x0);
193 int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0x0, va2c0x0);
194 const int8x8_t vbEFc0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
195 vprod0xEFc0 = vmlal_s8(vprod0xEFc0, vbEFc0x1, va0c0x1);
196 vprod1xEFc0 = vmlal_s8(vprod1xEFc0, vbEFc0x1, va1c0x1);
197 vprod2xEFc0 = vmlal_s8(vprod2xEFc0, vbEFc0x1, va2c0x1);
198 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
199 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
200 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
201 const int8x8_t va0c1x0 = vreinterpret_s8_s32(va01x0);
202 const int8x8_t va0c1x1 = vreinterpret_s8_s32(va01x1);
203 const int8x8_t va1c1x0 = vreinterpret_s8_s32(va11x0);
204 const int8x8_t va1c1x1 = vreinterpret_s8_s32(va11x1);
205 const int8x8_t va2c1x0 = vreinterpret_s8_s32(va21x0);
206 const int8x8_t va2c1x1 = vreinterpret_s8_s32(va21x1);
207
208 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
209 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
210 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2c1x0);
211 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
212 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
213 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
214 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2c1x1);
215 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
216 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
217 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
218 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
219 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
220 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2c1x0);
221 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
222 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
223 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
224 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2c1x1);
225 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
226 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
227 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
228 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
229 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
230 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2c1x0);
231 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
232 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
233 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
234 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2c1x1);
235 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
236 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
237 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
238 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
239 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
240 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2c1x0);
241 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
242 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
243 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
244 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2c1x1);
245 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
246 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
247 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
248 int16x8_t vprod0x89c1 = vmull_s8(vb89c1x0, va0c1x0);
249 int16x8_t vprod1x89c1 = vmull_s8(vb89c1x0, va1c1x0);
250 int16x8_t vprod2x89c1 = vmull_s8(vb89c1x0, va2c1x0);
251 const int8x8_t vb89c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
252 vprod0x89c1 = vmlal_s8(vprod0x89c1, vb89c1x1, va0c1x1);
253 vprod1x89c1 = vmlal_s8(vprod1x89c1, vb89c1x1, va1c1x1);
254 vprod2x89c1 = vmlal_s8(vprod2x89c1, vb89c1x1, va2c1x1);
255 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
256 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
257 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
258 int16x8_t vprod0xABc1 = vmull_s8(vbABc1x0, va0c1x0);
259 int16x8_t vprod1xABc1 = vmull_s8(vbABc1x0, va1c1x0);
260 int16x8_t vprod2xABc1 = vmull_s8(vbABc1x0, va2c1x0);
261 const int8x8_t vbABc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
262 vprod0xABc1 = vmlal_s8(vprod0xABc1, vbABc1x1, va0c1x1);
263 vprod1xABc1 = vmlal_s8(vprod1xABc1, vbABc1x1, va1c1x1);
264 vprod2xABc1 = vmlal_s8(vprod2xABc1, vbABc1x1, va2c1x1);
265 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
266 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
267 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
268 int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1x0, va0c1x0);
269 int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1x0, va1c1x0);
270 int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1x0, va2c1x0);
271 const int8x8_t vbCDc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
272 vprod0xCDc1 = vmlal_s8(vprod0xCDc1, vbCDc1x1, va0c1x1);
273 vprod1xCDc1 = vmlal_s8(vprod1xCDc1, vbCDc1x1, va1c1x1);
274 vprod2xCDc1 = vmlal_s8(vprod2xCDc1, vbCDc1x1, va2c1x1);
275 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
276 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
277 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
278 int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1x0, va0c1x0);
279 int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1x0, va1c1x0);
280 int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1x0, va2c1x0);
281 const int8x8_t vbEFc1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
282 vprod0xEFc1 = vmlal_s8(vprod0xEFc1, vbEFc1x1, va0c1x1);
283 vprod1xEFc1 = vmlal_s8(vprod1xEFc1, vbEFc1x1, va1c1x1);
284 vprod2xEFc1 = vmlal_s8(vprod2xEFc1, vbEFc1x1, va2c1x1);
285 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
286 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
287 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
288
289 k -= 16 * sizeof(int8_t);
290 }
291
292 if (k >= 8 * sizeof(int8_t)) {
293 const int32x2_t va00 = vld1_dup_s32((const void*)a0);
294 const int32x2_t va01 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
295 const int32x2_t va10 = vld1_dup_s32((const void*)a1);
296 const int32x2_t va11 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
297 const int32x2_t va20 = vld1_dup_s32((const void*)a2);
298 const int32x2_t va21 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
299
300 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
301 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
302 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
303 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
304 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
305 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
306 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
307 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
308 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
309 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
310 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
311 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
312 const int8x8_t vb89c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
313 const int8x8_t vbABc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
314 const int8x8_t vbCDc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
315 const int8x8_t vbEFc1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
316
317 const int8x8_t va0c0 = vreinterpret_s8_s32(va00);
318 const int8x8_t va1c0 = vreinterpret_s8_s32(va10);
319 const int8x8_t va2c0 = vreinterpret_s8_s32(va20);
320
321 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
322 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
323 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
324 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
325 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
326 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
327 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
328 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
329 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
330 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
331 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
332 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
333 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
334 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
335 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
336 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
337 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
338 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
339 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
340 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
341 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
342 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
343 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
344 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
345 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
346 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
347 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
348 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
349 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
350 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
351 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
352 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
353 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
354 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
355 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
356 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
357 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
358 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
359 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
360 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
361 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
362 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
363 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
364 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
365 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
366 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
367 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
368 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
369 const int8x8_t va0c1 = vreinterpret_s8_s32(va01);
370 const int8x8_t va1c1 = vreinterpret_s8_s32(va11);
371 const int8x8_t va2c1 = vreinterpret_s8_s32(va21);
372
373 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
374 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
375 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
376 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
377 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
378 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
379 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
380 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
381 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
382 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
383 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
384 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
385 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
386 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
387 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
388 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
389 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
390 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
391 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
392 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
393 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
394 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
395 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
396 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
397 const int16x8_t vprod0x89c1 = vmull_s8(vb89c1, va0c1);
398 const int16x8_t vprod1x89c1 = vmull_s8(vb89c1, va1c1);
399 const int16x8_t vprod2x89c1 = vmull_s8(vb89c1, va2c1);
400 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c1);
401 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c1);
402 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c1);
403 const int16x8_t vprod0xABc1 = vmull_s8(vbABc1, va0c1);
404 const int16x8_t vprod1xABc1 = vmull_s8(vbABc1, va1c1);
405 const int16x8_t vprod2xABc1 = vmull_s8(vbABc1, va2c1);
406 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc1);
407 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc1);
408 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc1);
409 const int16x8_t vprod0xCDc1 = vmull_s8(vbCDc1, va0c1);
410 const int16x8_t vprod1xCDc1 = vmull_s8(vbCDc1, va1c1);
411 const int16x8_t vprod2xCDc1 = vmull_s8(vbCDc1, va2c1);
412 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc1);
413 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc1);
414 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc1);
415 const int16x8_t vprod0xEFc1 = vmull_s8(vbEFc1, va0c1);
416 const int16x8_t vprod1xEFc1 = vmull_s8(vbEFc1, va1c1);
417 const int16x8_t vprod2xEFc1 = vmull_s8(vbEFc1, va2c1);
418 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc1);
419 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc1);
420 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc1);
421
422 k -= 8 * sizeof(int8_t);
423 }
424
425 if XNN_UNLIKELY(k != 0) {
426 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
427 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
428 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
429
430 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
431 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
432 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
433 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
434 const int8x8_t vb89c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
435 const int8x8_t vbABc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
436 const int8x8_t vbCDc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
437 const int8x8_t vbEFc0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
438
439 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
440 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
441 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
442 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
443 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
444 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
445 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
446 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
447 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
448 const int16x8_t vprod0x89c0 = vmull_s8(vb89c0, va0c0);
449 vacc0x89 = vpadalq_s16(vacc0x89, vprod0x89c0);
450 const int16x8_t vprod0xABc0 = vmull_s8(vbABc0, va0c0);
451 vacc0xAB = vpadalq_s16(vacc0xAB, vprod0xABc0);
452 const int16x8_t vprod0xCDc0 = vmull_s8(vbCDc0, va0c0);
453 vacc0xCD = vpadalq_s16(vacc0xCD, vprod0xCDc0);
454 const int16x8_t vprod0xEFc0 = vmull_s8(vbEFc0, va0c0);
455 vacc0xEF = vpadalq_s16(vacc0xEF, vprod0xEFc0);
456 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
457 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
458 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
459 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
460 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
461 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
462 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
463 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
464 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
465 const int16x8_t vprod1x89c0 = vmull_s8(vb89c0, va1c0);
466 vacc1x89 = vpadalq_s16(vacc1x89, vprod1x89c0);
467 const int16x8_t vprod1xABc0 = vmull_s8(vbABc0, va1c0);
468 vacc1xAB = vpadalq_s16(vacc1xAB, vprod1xABc0);
469 const int16x8_t vprod1xCDc0 = vmull_s8(vbCDc0, va1c0);
470 vacc1xCD = vpadalq_s16(vacc1xCD, vprod1xCDc0);
471 const int16x8_t vprod1xEFc0 = vmull_s8(vbEFc0, va1c0);
472 vacc1xEF = vpadalq_s16(vacc1xEF, vprod1xEFc0);
473 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
474 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
475 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
476 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
477 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
478 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
479 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
480 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
481 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
482 const int16x8_t vprod2x89c0 = vmull_s8(vb89c0, va2c0);
483 vacc2x89 = vpadalq_s16(vacc2x89, vprod2x89c0);
484 const int16x8_t vprod2xABc0 = vmull_s8(vbABc0, va2c0);
485 vacc2xAB = vpadalq_s16(vacc2xAB, vprod2xABc0);
486 const int16x8_t vprod2xCDc0 = vmull_s8(vbCDc0, va2c0);
487 vacc2xCD = vpadalq_s16(vacc2xCD, vprod2xCDc0);
488 const int16x8_t vprod2xEFc0 = vmull_s8(vbEFc0, va2c0);
489 vacc2xEF = vpadalq_s16(vacc2xEF, vprod2xEFc0);
490 }
491
492 #if XNN_ARCH_ARM64
493 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
494 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
495 int32x4_t vacc0x89AB = vpaddq_s32(vacc0x89, vacc0xAB);
496 int32x4_t vacc0xCDEF = vpaddq_s32(vacc0xCD, vacc0xEF);
497 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
498 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
499 int32x4_t vacc1x89AB = vpaddq_s32(vacc1x89, vacc1xAB);
500 int32x4_t vacc1xCDEF = vpaddq_s32(vacc1xCD, vacc1xEF);
501 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
502 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
503 int32x4_t vacc2x89AB = vpaddq_s32(vacc2x89, vacc2xAB);
504 int32x4_t vacc2xCDEF = vpaddq_s32(vacc2xCD, vacc2xEF);
505 #else
506 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
507 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
508 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
509 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
510 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
511 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
512 const int32x2_t vsum0x89 = vpadd_s32(vget_low_s32(vacc0x89), vget_high_s32(vacc0x89));
513 const int32x2_t vsum0xAB = vpadd_s32(vget_low_s32(vacc0xAB), vget_high_s32(vacc0xAB));
514 int32x4_t vacc0x89AB = vcombine_s32(vsum0x89, vsum0xAB);
515 const int32x2_t vsum0xCD = vpadd_s32(vget_low_s32(vacc0xCD), vget_high_s32(vacc0xCD));
516 const int32x2_t vsum0xEF = vpadd_s32(vget_low_s32(vacc0xEF), vget_high_s32(vacc0xEF));
517 int32x4_t vacc0xCDEF = vcombine_s32(vsum0xCD, vsum0xEF);
518 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
519 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
520 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
521 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
522 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
523 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
524 const int32x2_t vsum1x89 = vpadd_s32(vget_low_s32(vacc1x89), vget_high_s32(vacc1x89));
525 const int32x2_t vsum1xAB = vpadd_s32(vget_low_s32(vacc1xAB), vget_high_s32(vacc1xAB));
526 int32x4_t vacc1x89AB = vcombine_s32(vsum1x89, vsum1xAB);
527 const int32x2_t vsum1xCD = vpadd_s32(vget_low_s32(vacc1xCD), vget_high_s32(vacc1xCD));
528 const int32x2_t vsum1xEF = vpadd_s32(vget_low_s32(vacc1xEF), vget_high_s32(vacc1xEF));
529 int32x4_t vacc1xCDEF = vcombine_s32(vsum1xCD, vsum1xEF);
530 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
531 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
532 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
533 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
534 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
535 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
536 const int32x2_t vsum2x89 = vpadd_s32(vget_low_s32(vacc2x89), vget_high_s32(vacc2x89));
537 const int32x2_t vsum2xAB = vpadd_s32(vget_low_s32(vacc2xAB), vget_high_s32(vacc2xAB));
538 int32x4_t vacc2x89AB = vcombine_s32(vsum2x89, vsum2xAB);
539 const int32x2_t vsum2xCD = vpadd_s32(vget_low_s32(vacc2xCD), vget_high_s32(vacc2xCD));
540 const int32x2_t vsum2xEF = vpadd_s32(vget_low_s32(vacc2xEF), vget_high_s32(vacc2xEF));
541 int32x4_t vacc2xCDEF = vcombine_s32(vsum2xCD, vsum2xEF);
542 #endif
543
544 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
545 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
546 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
547
548 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
549 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
550 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
551 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
552 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
553 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
554 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
555 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
556 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
557 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
558 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
559 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
560
561 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
562 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
563 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
564 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
565 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
566 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
567 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
568 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
569 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
570 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
571 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
572 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
573
574 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
575 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
576 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
577 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
578 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
579 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
580 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
581 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
582 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
583 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
584 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
585 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
586
587 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
588 #if XNN_ARCH_ARM64
589 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
590 int16x8_t vacc0x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF);
591 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
592 int16x8_t vacc1x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF);
593 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
594 int16x8_t vacc2x89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF);
595
596 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
597 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
598 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
599 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
600 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
601 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, voutput_zero_point);
602
603 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
604 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
605 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
606 #else
607 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
608 int16x8_t vacc0x89ABCDEF = vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF));
609 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
610 int16x8_t vacc1x89ABCDEF = vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF));
611 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
612 int16x8_t vacc2x89ABCDEF = vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF));
613
614 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
615 vacc0x89ABCDEF = vqaddq_s16(vacc0x89ABCDEF, voutput_zero_point);
616 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
617 vacc1x89ABCDEF = vqaddq_s16(vacc1x89ABCDEF, voutput_zero_point);
618 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
619 vacc2x89ABCDEF = vqaddq_s16(vacc2x89ABCDEF, 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
626 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
627 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
628 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
629 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
630
631 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
632 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
633 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
634 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
635
636 if (nc >= 16) {
637 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
638 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
639 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
640
641 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
642 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
643 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
644
645 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
646 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
647 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
648
649 nc -= 16;
650 } else {
651 // Final case where not all of the 16 columns fit in the destination.
652 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
653 int8x8_t vout2x01234567 = vget_low_s8(vout2x0123456789ABCDEF);
654 if (nc & 8) {
655 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
656 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
657 vst1_s8(c2, vout2x01234567); c2 += 8;
658 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
659 vout2x01234567 = vget_high_s8(vout2x0123456789ABCDEF);
660 }
661 if (nc & 4) {
662 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
663 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
664 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
665 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
666 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
667 }
668 if (nc & 2) {
669 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
670 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
671 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
672 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
673 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
674 }
675 if (nc & 1) {
676 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
677 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
678 vst1_lane_s8(c2, vout2x01234567, 0);
679 }
680
681 nc = 0;
682 }
683 } while (nc != 0);
684 }
685