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_3x8c4__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_3x8c4__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 vacc1x01 = vacc0x01;
61 int32x4_t vacc1x23 = vacc0x23;
62 int32x4_t vacc1x45 = vacc0x45;
63 int32x4_t vacc1x67 = vacc0x67;
64 int32x4_t vacc2x01 = vacc0x01;
65 int32x4_t vacc2x23 = vacc0x23;
66 int32x4_t vacc2x45 = vacc0x45;
67 int32x4_t vacc2x67 = vacc0x67;
68
69 size_t k = kc;
70
71 while (k >= 16 * sizeof(int8_t)) {
72 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
73 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
74 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
75 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
76 const int8x8_t va2x0 = vld1_s8(a2); a2 += 8;
77 const int8x8_t va2x1 = vld1_s8(a2); a2 += 8;
78
79 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
80 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
83 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
84 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
86 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
87
88 const int8x8_t va0c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 0));
89 const int8x8_t va0c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 0));
90 const int8x8_t va1c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 0));
91 const int8x8_t va1c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 0));
92 const int8x8_t va2c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x0), 0));
93 const int8x8_t va2c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x1), 0));
94
95 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
96 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
97 int16x8_t vprod2x01c0 = vmull_s8(vb01c0x0, va2c0x0);
98 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
100 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
101 vprod2x01c0 = vmlal_s8(vprod2x01c0, vb01c0x1, va2c0x1);
102 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
103 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
104 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
105 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
106 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
107 int16x8_t vprod2x23c0 = vmull_s8(vb23c0x0, va2c0x0);
108 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
109 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
110 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
111 vprod2x23c0 = vmlal_s8(vprod2x23c0, vb23c0x1, va2c0x1);
112 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
113 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
114 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
115 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
116 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
117 int16x8_t vprod2x45c0 = vmull_s8(vb45c0x0, va2c0x0);
118 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
119 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
120 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
121 vprod2x45c0 = vmlal_s8(vprod2x45c0, vb45c0x1, va2c0x1);
122 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
123 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
124 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
125 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
126 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
127 int16x8_t vprod2x67c0 = vmull_s8(vb67c0x0, va2c0x0);
128 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
129 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
130 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
131 vprod2x67c0 = vmlal_s8(vprod2x67c0, vb67c0x1, va2c0x1);
132 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
133 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
134 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
135 const int8x8_t va0c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 1));
136 const int8x8_t va0c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 1));
137 const int8x8_t va1c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 1));
138 const int8x8_t va1c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 1));
139 const int8x8_t va2c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x0), 1));
140 const int8x8_t va2c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2x1), 1));
141
142 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
143 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
144 int16x8_t vprod2x01c1 = vmull_s8(vb01c1x0, va2c1x0);
145 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
146 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
147 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
148 vprod2x01c1 = vmlal_s8(vprod2x01c1, vb01c1x1, va2c1x1);
149 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
150 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
151 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
152 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
153 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
154 int16x8_t vprod2x23c1 = vmull_s8(vb23c1x0, va2c1x0);
155 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
156 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
157 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
158 vprod2x23c1 = vmlal_s8(vprod2x23c1, vb23c1x1, va2c1x1);
159 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
160 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
161 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
162 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
163 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
164 int16x8_t vprod2x45c1 = vmull_s8(vb45c1x0, va2c1x0);
165 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
166 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
167 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
168 vprod2x45c1 = vmlal_s8(vprod2x45c1, vb45c1x1, va2c1x1);
169 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
170 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
171 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
172 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
173 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
174 int16x8_t vprod2x67c1 = vmull_s8(vb67c1x0, va2c1x0);
175 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
177 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
178 vprod2x67c1 = vmlal_s8(vprod2x67c1, vb67c1x1, va2c1x1);
179 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
180 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
181 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
182
183 k -= 16 * sizeof(int8_t);
184 }
185
186 if (k >= 8 * sizeof(int8_t)) {
187 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
188 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
189 const int8x8_t va2 = vld1_s8(a2); a2 += 8;
190
191 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
192 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
193 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
194 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
195 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
196 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
197 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
198 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
199
200 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
201 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
202 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
203
204 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
205 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
206 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
207 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
208 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
209 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
210 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
211 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
212 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
213 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
214 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
215 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
216 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
217 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
218 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
219 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
220 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
221 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
222 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
223 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
224 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
225 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
226 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
227 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
228 const int8x8_t va0c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 1));
229 const int8x8_t va1c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 1));
230 const int8x8_t va2c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 1));
231
232 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
233 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
234 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
235 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
236 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
237 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
238 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
239 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
240 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
241 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
242 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
243 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
244 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
245 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
246 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
247 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
248 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
249 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
250 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
251 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
252 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
253 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
254 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
255 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
256
257 k -= 8 * sizeof(int8_t);
258 }
259
260 if XNN_UNLIKELY(k != 0) {
261 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
262 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
263 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
264
265 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
266 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
267 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
268 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
269
270 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
271 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
272 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
273 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
274 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
275 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
276 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
277 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
278 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
279 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
280 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
281 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
282 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
283 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
284 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
285 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
286 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
287 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
288 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
289 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
290 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
291 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
292 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
293 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
294 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
295 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
296 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
297 }
298
299 #if XNN_ARCH_ARM64
300 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
301 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
302 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
303 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
304 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
305 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
306 #else
307 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
308 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
309 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
310 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
311 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
312 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
313 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
314 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
315 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
316 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
317 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
318 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
319 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
320 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
321 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
322 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
323 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
324 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
325 #endif
326
327 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
328 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
329 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
330
331 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
332 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
333 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
334 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
335 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
336 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
337
338 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
339 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
340 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
341 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
342 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
343 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
344
345 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
346 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
347 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
348 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
349 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
350 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
351
352 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
353 #if XNN_ARCH_ARM64
354 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
355 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
356 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
357
358 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
359 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
360 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
361
362 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
363 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
364 #else
365 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
366 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
367 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
368
369 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
370 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
371 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
372
373 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
374 int8x8_t vout2x01234567 = vqmovn_s16(vacc2x01234567);
375 #endif
376
377 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
378 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
379 vout2x01234567 = vmax_s8(vout2x01234567, vget_low_s8(voutput_min));
380
381 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
382 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
383 vout2x01234567 = vmin_s8(vout2x01234567, vget_low_s8(voutput_max));
384
385 if (nc >= 8) {
386 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
387 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
388 vst1_s8(c2 + 0, vout2x01234567);
389
390 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
391 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
392 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
393
394 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
395 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
396 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
397
398 nc -= 8;
399 } else {
400 // Final case where not all of the 8 columns fit in the destination.
401 if (nc & 4) {
402 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
403 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
404 vst1_lane_u32((void*) c2, vreinterpret_u32_s8(vout2x01234567), 0); c2 += 4;
405 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
406 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 4);
407 }
408 if (nc & 2) {
409 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
410 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
411 vst1_lane_u16((void*) c2, vreinterpret_u16_s8(vout2x01234567), 0); c2 += 2;
412 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
413 vout2x01234567 = vext_s8(vout2x01234567, vout2x01234567, 2);
414 }
415 if (nc & 1) {
416 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
417 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
418 vst1_lane_s8(c2, vout2x01234567, 0);
419 }
420
421 nc = 0;
422 }
423 } while (nc != 0);
424 }
425