1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c4-neondot.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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_6x16c4__neondot(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_6x16c4__neondot(
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 <= 6);
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 const int8_t* a3 = (const int8_t*) ((uintptr_t) a2 + a_stride);
55 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
56 if XNN_UNPREDICTABLE(mr < 4) {
57 a3 = a2;
58 c3 = c2;
59 }
60 const int8_t* a4 = (const int8_t*) ((uintptr_t) a3 + a_stride);
61 int8_t* c4 = (int8_t*) ((uintptr_t) c3 + cm_stride);
62 if XNN_UNPREDICTABLE(mr <= 4) {
63 a4 = a3;
64 c4 = c3;
65 }
66 const int8_t* a5 = (const int8_t*) ((uintptr_t) a4 + a_stride);
67 int8_t* c5 = (int8_t*) ((uintptr_t) c4 + cm_stride);
68 if XNN_UNPREDICTABLE(mr != 6) {
69 a5 = a4;
70 c5 = c4;
71 }
72
73 // Loop over groups of 16 columns.
74 do {
75 // Initialize accumulators with bias. 16 bias values are loaded from the
76 // weight matrix, at the start of the group of 16 columns.
77 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
78 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
79 int32x4_t vacc0x89AB = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
80 int32x4_t vacc0xCDEF = vld1q_s32(w); w = (const void*) ((const int32_t*) w + 4);
81 int32x4_t vacc1x0123 = vacc0x0123;
82 int32x4_t vacc1x4567 = vacc0x4567;
83 int32x4_t vacc1x89AB = vacc0x89AB;
84 int32x4_t vacc1xCDEF = vacc0xCDEF;
85 int32x4_t vacc2x0123 = vacc0x0123;
86 int32x4_t vacc2x4567 = vacc0x4567;
87 int32x4_t vacc2x89AB = vacc0x89AB;
88 int32x4_t vacc2xCDEF = vacc0xCDEF;
89 int32x4_t vacc3x0123 = vacc0x0123;
90 int32x4_t vacc3x4567 = vacc0x4567;
91 int32x4_t vacc3x89AB = vacc0x89AB;
92 int32x4_t vacc3xCDEF = vacc0xCDEF;
93 int32x4_t vacc4x0123 = vacc0x0123;
94 int32x4_t vacc4x4567 = vacc0x4567;
95 int32x4_t vacc4x89AB = vacc0x89AB;
96 int32x4_t vacc4xCDEF = vacc0xCDEF;
97 int32x4_t vacc5x0123 = vacc0x0123;
98 int32x4_t vacc5x4567 = vacc0x4567;
99 int32x4_t vacc5x89AB = vacc0x89AB;
100 int32x4_t vacc5xCDEF = vacc0xCDEF;
101
102 // Inner accumulation loop along the 16 columns.
103 size_t k = kc;
104 // 2x partial unrolled loop to load 8 bytes at a time.
105 while (k >= 8 * sizeof(int8_t)) {
106 // Load a 6x8 block of activations.
107 const int8x8_t va0x01234567 = vld1_s8(a0); a0 += 8;
108 const int8x8_t va1x01234567 = vld1_s8(a1); a1 += 8;
109 const int8x8_t va2x01234567 = vld1_s8(a2); a2 += 8;
110 const int8x8_t va3x01234567 = vld1_s8(a3); a3 += 8;
111 const int8x8_t va4x01234567 = vld1_s8(a4); a4 += 8;
112 const int8x8_t va5x01234567 = vld1_s8(a5); a5 += 8;
113
114 // Load a 8x16 block of weights.
115 const int8x16_t vb0123x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
116 const int8x16_t vb0123x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
117 const int8x16_t vb0123x89AB = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
118 const int8x16_t vb0123xCDEF = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
119 const int8x16_t vb4567x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
120 const int8x16_t vb4567x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
121 const int8x16_t vb4567x89AB = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
122 const int8x16_t vb4567xCDEF = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
123
124 // Multiply-accumulate: 6x8 * 8x16 --> 6x16.
125 vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb0123x0123, va0x01234567, 0);
126 vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb0123x4567, va0x01234567, 0);
127 vacc0x89AB = vdotq_lane_s32(vacc0x89AB, vb0123x89AB, va0x01234567, 0);
128 vacc0xCDEF = vdotq_lane_s32(vacc0xCDEF, vb0123xCDEF, va0x01234567, 0);
129 vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb0123x0123, va1x01234567, 0);
130 vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb0123x4567, va1x01234567, 0);
131 vacc1x89AB = vdotq_lane_s32(vacc1x89AB, vb0123x89AB, va1x01234567, 0);
132 vacc1xCDEF = vdotq_lane_s32(vacc1xCDEF, vb0123xCDEF, va1x01234567, 0);
133 vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb0123x0123, va2x01234567, 0);
134 vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb0123x4567, va2x01234567, 0);
135 vacc2x89AB = vdotq_lane_s32(vacc2x89AB, vb0123x89AB, va2x01234567, 0);
136 vacc2xCDEF = vdotq_lane_s32(vacc2xCDEF, vb0123xCDEF, va2x01234567, 0);
137 vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb0123x0123, va3x01234567, 0);
138 vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb0123x4567, va3x01234567, 0);
139 vacc3x89AB = vdotq_lane_s32(vacc3x89AB, vb0123x89AB, va3x01234567, 0);
140 vacc3xCDEF = vdotq_lane_s32(vacc3xCDEF, vb0123xCDEF, va3x01234567, 0);
141 vacc4x0123 = vdotq_lane_s32(vacc4x0123, vb0123x0123, va4x01234567, 0);
142 vacc4x4567 = vdotq_lane_s32(vacc4x4567, vb0123x4567, va4x01234567, 0);
143 vacc4x89AB = vdotq_lane_s32(vacc4x89AB, vb0123x89AB, va4x01234567, 0);
144 vacc4xCDEF = vdotq_lane_s32(vacc4xCDEF, vb0123xCDEF, va4x01234567, 0);
145 vacc5x0123 = vdotq_lane_s32(vacc5x0123, vb0123x0123, va5x01234567, 0);
146 vacc5x4567 = vdotq_lane_s32(vacc5x4567, vb0123x4567, va5x01234567, 0);
147 vacc5x89AB = vdotq_lane_s32(vacc5x89AB, vb0123x89AB, va5x01234567, 0);
148 vacc5xCDEF = vdotq_lane_s32(vacc5xCDEF, vb0123xCDEF, va5x01234567, 0);
149 vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb4567x0123, va0x01234567, 1);
150 vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb4567x4567, va0x01234567, 1);
151 vacc0x89AB = vdotq_lane_s32(vacc0x89AB, vb4567x89AB, va0x01234567, 1);
152 vacc0xCDEF = vdotq_lane_s32(vacc0xCDEF, vb4567xCDEF, va0x01234567, 1);
153 vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb4567x0123, va1x01234567, 1);
154 vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb4567x4567, va1x01234567, 1);
155 vacc1x89AB = vdotq_lane_s32(vacc1x89AB, vb4567x89AB, va1x01234567, 1);
156 vacc1xCDEF = vdotq_lane_s32(vacc1xCDEF, vb4567xCDEF, va1x01234567, 1);
157 vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb4567x0123, va2x01234567, 1);
158 vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb4567x4567, va2x01234567, 1);
159 vacc2x89AB = vdotq_lane_s32(vacc2x89AB, vb4567x89AB, va2x01234567, 1);
160 vacc2xCDEF = vdotq_lane_s32(vacc2xCDEF, vb4567xCDEF, va2x01234567, 1);
161 vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb4567x0123, va3x01234567, 1);
162 vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb4567x4567, va3x01234567, 1);
163 vacc3x89AB = vdotq_lane_s32(vacc3x89AB, vb4567x89AB, va3x01234567, 1);
164 vacc3xCDEF = vdotq_lane_s32(vacc3xCDEF, vb4567xCDEF, va3x01234567, 1);
165 vacc4x0123 = vdotq_lane_s32(vacc4x0123, vb4567x0123, va4x01234567, 1);
166 vacc4x4567 = vdotq_lane_s32(vacc4x4567, vb4567x4567, va4x01234567, 1);
167 vacc4x89AB = vdotq_lane_s32(vacc4x89AB, vb4567x89AB, va4x01234567, 1);
168 vacc4xCDEF = vdotq_lane_s32(vacc4xCDEF, vb4567xCDEF, va4x01234567, 1);
169 vacc5x0123 = vdotq_lane_s32(vacc5x0123, vb4567x0123, va5x01234567, 1);
170 vacc5x4567 = vdotq_lane_s32(vacc5x4567, vb4567x4567, va5x01234567, 1);
171 vacc5x89AB = vdotq_lane_s32(vacc5x89AB, vb4567x89AB, va5x01234567, 1);
172 vacc5xCDEF = vdotq_lane_s32(vacc5xCDEF, vb4567xCDEF, va5x01234567, 1);
173
174 k -= 8 * sizeof(int8_t);
175 }
176 // Handle up to 4 final positions of `k`
177 if XNN_UNLIKELY(k != 0) {
178 // Load a 6x4 block of activations.
179 const int8x8_t va0x01234567 = vld1_s8(a0); a0 += 4;
180 const int8x8_t va1x01234567 = vld1_s8(a1); a1 += 4;
181 const int8x8_t va2x01234567 = vld1_s8(a2); a2 += 4;
182 const int8x8_t va3x01234567 = vld1_s8(a3); a3 += 4;
183 const int8x8_t va4x01234567 = vld1_s8(a4); a4 += 4;
184 const int8x8_t va5x01234567 = vld1_s8(a5); a5 += 4;
185
186 // Load a 4x16 block of weights.
187 const int8x16_t vb0123x0123 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
188 const int8x16_t vb0123x4567 = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
189 const int8x16_t vb0123x89AB = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
190 const int8x16_t vb0123xCDEF = vld1q_s8(w); w = (const void*) ((const int8_t*) w + 16);
191
192 // Multiply-accumulate: 6x4 * 4x16 --> 6x16.
193 vacc0x0123 = vdotq_lane_s32(vacc0x0123, vb0123x0123, va0x01234567, 0);
194 vacc0x4567 = vdotq_lane_s32(vacc0x4567, vb0123x4567, va0x01234567, 0);
195 vacc0x89AB = vdotq_lane_s32(vacc0x89AB, vb0123x89AB, va0x01234567, 0);
196 vacc0xCDEF = vdotq_lane_s32(vacc0xCDEF, vb0123xCDEF, va0x01234567, 0);
197 vacc1x0123 = vdotq_lane_s32(vacc1x0123, vb0123x0123, va1x01234567, 0);
198 vacc1x4567 = vdotq_lane_s32(vacc1x4567, vb0123x4567, va1x01234567, 0);
199 vacc1x89AB = vdotq_lane_s32(vacc1x89AB, vb0123x89AB, va1x01234567, 0);
200 vacc1xCDEF = vdotq_lane_s32(vacc1xCDEF, vb0123xCDEF, va1x01234567, 0);
201 vacc2x0123 = vdotq_lane_s32(vacc2x0123, vb0123x0123, va2x01234567, 0);
202 vacc2x4567 = vdotq_lane_s32(vacc2x4567, vb0123x4567, va2x01234567, 0);
203 vacc2x89AB = vdotq_lane_s32(vacc2x89AB, vb0123x89AB, va2x01234567, 0);
204 vacc2xCDEF = vdotq_lane_s32(vacc2xCDEF, vb0123xCDEF, va2x01234567, 0);
205 vacc3x0123 = vdotq_lane_s32(vacc3x0123, vb0123x0123, va3x01234567, 0);
206 vacc3x4567 = vdotq_lane_s32(vacc3x4567, vb0123x4567, va3x01234567, 0);
207 vacc3x89AB = vdotq_lane_s32(vacc3x89AB, vb0123x89AB, va3x01234567, 0);
208 vacc3xCDEF = vdotq_lane_s32(vacc3xCDEF, vb0123xCDEF, va3x01234567, 0);
209 vacc4x0123 = vdotq_lane_s32(vacc4x0123, vb0123x0123, va4x01234567, 0);
210 vacc4x4567 = vdotq_lane_s32(vacc4x4567, vb0123x4567, va4x01234567, 0);
211 vacc4x89AB = vdotq_lane_s32(vacc4x89AB, vb0123x89AB, va4x01234567, 0);
212 vacc4xCDEF = vdotq_lane_s32(vacc4xCDEF, vb0123xCDEF, va4x01234567, 0);
213 vacc5x0123 = vdotq_lane_s32(vacc5x0123, vb0123x0123, va5x01234567, 0);
214 vacc5x4567 = vdotq_lane_s32(vacc5x4567, vb0123x4567, va5x01234567, 0);
215 vacc5x89AB = vdotq_lane_s32(vacc5x89AB, vb0123x89AB, va5x01234567, 0);
216 vacc5xCDEF = vdotq_lane_s32(vacc5xCDEF, vb0123xCDEF, va5x01234567, 0);
217 }
218
219 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
220 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
221 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
222
223 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
224 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
225 vacc0x89AB = vqshlq_s32(vacc0x89AB, vright_pre_shift);
226 vacc0xCDEF = vqshlq_s32(vacc0xCDEF, vright_pre_shift);
227 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
228 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
229 vacc1x89AB = vqshlq_s32(vacc1x89AB, vright_pre_shift);
230 vacc1xCDEF = vqshlq_s32(vacc1xCDEF, vright_pre_shift);
231 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
232 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
233 vacc2x89AB = vqshlq_s32(vacc2x89AB, vright_pre_shift);
234 vacc2xCDEF = vqshlq_s32(vacc2xCDEF, vright_pre_shift);
235 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
236 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
237 vacc3x89AB = vqshlq_s32(vacc3x89AB, vright_pre_shift);
238 vacc3xCDEF = vqshlq_s32(vacc3xCDEF, vright_pre_shift);
239 vacc4x0123 = vqshlq_s32(vacc4x0123, vright_pre_shift);
240 vacc4x4567 = vqshlq_s32(vacc4x4567, vright_pre_shift);
241 vacc4x89AB = vqshlq_s32(vacc4x89AB, vright_pre_shift);
242 vacc4xCDEF = vqshlq_s32(vacc4xCDEF, vright_pre_shift);
243 vacc5x0123 = vqshlq_s32(vacc5x0123, vright_pre_shift);
244 vacc5x4567 = vqshlq_s32(vacc5x4567, vright_pre_shift);
245 vacc5x89AB = vqshlq_s32(vacc5x89AB, vright_pre_shift);
246 vacc5xCDEF = vqshlq_s32(vacc5xCDEF, vright_pre_shift);
247
248 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
249 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
250 vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
251 vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
252 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
253 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
254 vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
255 vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
256 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
257 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
258 vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
259 vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
260 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
261 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
262 vacc3x89AB = vqdmulhq_s32(vacc3x89AB, vmultiplier);
263 vacc3xCDEF = vqdmulhq_s32(vacc3xCDEF, vmultiplier);
264 vacc4x0123 = vqdmulhq_s32(vacc4x0123, vmultiplier);
265 vacc4x4567 = vqdmulhq_s32(vacc4x4567, vmultiplier);
266 vacc4x89AB = vqdmulhq_s32(vacc4x89AB, vmultiplier);
267 vacc4xCDEF = vqdmulhq_s32(vacc4xCDEF, vmultiplier);
268 vacc5x0123 = vqdmulhq_s32(vacc5x0123, vmultiplier);
269 vacc5x4567 = vqdmulhq_s32(vacc5x4567, vmultiplier);
270 vacc5x89AB = vqdmulhq_s32(vacc5x89AB, vmultiplier);
271 vacc5xCDEF = vqdmulhq_s32(vacc5xCDEF, vmultiplier);
272
273 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
274 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
275 vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
276 vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
277 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
278 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
279 vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
280 vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
281 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
282 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
283 vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
284 vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
285 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
286 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
287 vacc3x89AB = vrshlq_s32(vacc3x89AB, vright_post_shift);
288 vacc3xCDEF = vrshlq_s32(vacc3xCDEF, vright_post_shift);
289 vacc4x0123 = vrshlq_s32(vacc4x0123, vright_post_shift);
290 vacc4x4567 = vrshlq_s32(vacc4x4567, vright_post_shift);
291 vacc4x89AB = vrshlq_s32(vacc4x89AB, vright_post_shift);
292 vacc4xCDEF = vrshlq_s32(vacc4xCDEF, vright_post_shift);
293 vacc5x0123 = vrshlq_s32(vacc5x0123, vright_post_shift);
294 vacc5x4567 = vrshlq_s32(vacc5x4567, vright_post_shift);
295 vacc5x89AB = vrshlq_s32(vacc5x89AB, vright_post_shift);
296 vacc5xCDEF = vrshlq_s32(vacc5xCDEF, vright_post_shift);
297
298 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
299 #if XNN_ARCH_ARM64
300 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
301 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF), voutput_zero_point);
302 const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
303 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF), voutput_zero_point);
304 const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
305 const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF), voutput_zero_point);
306 const int16x8_t vacc3x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567), voutput_zero_point);
307 const int16x8_t vacc3x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc3x89AB), vacc3xCDEF), voutput_zero_point);
308 const int16x8_t vacc4x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc4x0123), vacc4x4567), voutput_zero_point);
309 const int16x8_t vacc4x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc4x89AB), vacc4xCDEF), voutput_zero_point);
310 const int16x8_t vacc5x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc5x0123), vacc5x4567), voutput_zero_point);
311 const int16x8_t vacc5x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc5x89AB), vacc5xCDEF), voutput_zero_point);
312
313 int8x16_t vout0x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc0x89ABCDEF);
314 int8x16_t vout1x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc1x01234567), vacc1x89ABCDEF);
315 int8x16_t vout2x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc2x89ABCDEF);
316 int8x16_t vout3x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc3x01234567), vacc3x89ABCDEF);
317 int8x16_t vout4x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc4x01234567), vacc4x89ABCDEF);
318 int8x16_t vout5x0123456789ABCDEF = vqmovn_high_s16(vqmovn_s16(vacc5x01234567), vacc5x89ABCDEF);
319 #else
320 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
321 const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF)), voutput_zero_point);
322 const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
323 const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF)), voutput_zero_point);
324 const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
325 const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF)), voutput_zero_point);
326 const int16x8_t vacc3x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567)), voutput_zero_point);
327 const int16x8_t vacc3x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc3x89AB), vqmovn_s32(vacc3xCDEF)), voutput_zero_point);
328 const int16x8_t vacc4x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc4x0123), vqmovn_s32(vacc4x4567)), voutput_zero_point);
329 const int16x8_t vacc4x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc4x89AB), vqmovn_s32(vacc4xCDEF)), voutput_zero_point);
330 const int16x8_t vacc5x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc5x0123), vqmovn_s32(vacc5x4567)), voutput_zero_point);
331 const int16x8_t vacc5x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc5x89AB), vqmovn_s32(vacc5xCDEF)), voutput_zero_point);
332
333 int8x16_t vout0x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc0x89ABCDEF));
334 int8x16_t vout1x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc1x01234567), vqmovn_s16(vacc1x89ABCDEF));
335 int8x16_t vout2x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc2x89ABCDEF));
336 int8x16_t vout3x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc3x01234567), vqmovn_s16(vacc3x89ABCDEF));
337 int8x16_t vout4x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc4x01234567), vqmovn_s16(vacc4x89ABCDEF));
338 int8x16_t vout5x0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc5x01234567), vqmovn_s16(vacc5x89ABCDEF));
339 #endif
340 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
341 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
342
343 vout0x0123456789ABCDEF = vmaxq_s8(vout0x0123456789ABCDEF, voutput_min);
344 vout1x0123456789ABCDEF = vmaxq_s8(vout1x0123456789ABCDEF, voutput_min);
345 vout2x0123456789ABCDEF = vmaxq_s8(vout2x0123456789ABCDEF, voutput_min);
346 vout3x0123456789ABCDEF = vmaxq_s8(vout3x0123456789ABCDEF, voutput_min);
347 vout4x0123456789ABCDEF = vmaxq_s8(vout4x0123456789ABCDEF, voutput_min);
348 vout5x0123456789ABCDEF = vmaxq_s8(vout5x0123456789ABCDEF, voutput_min);
349
350 vout0x0123456789ABCDEF = vminq_s8(vout0x0123456789ABCDEF, voutput_max);
351 vout1x0123456789ABCDEF = vminq_s8(vout1x0123456789ABCDEF, voutput_max);
352 vout2x0123456789ABCDEF = vminq_s8(vout2x0123456789ABCDEF, voutput_max);
353 vout3x0123456789ABCDEF = vminq_s8(vout3x0123456789ABCDEF, voutput_max);
354 vout4x0123456789ABCDEF = vminq_s8(vout4x0123456789ABCDEF, voutput_max);
355 vout5x0123456789ABCDEF = vminq_s8(vout5x0123456789ABCDEF, voutput_max);
356
357 if (nc >= 16) {
358 // Main case where there the 16 columns fit in the destination.
359 vst1q_s8(c0 + 0, vout0x0123456789ABCDEF);
360 vst1q_s8(c1 + 0, vout1x0123456789ABCDEF);
361 vst1q_s8(c2 + 0, vout2x0123456789ABCDEF);
362 vst1q_s8(c3 + 0, vout3x0123456789ABCDEF);
363 vst1q_s8(c4 + 0, vout4x0123456789ABCDEF);
364 vst1q_s8(c5 + 0, vout5x0123456789ABCDEF);
365
366 // Advance to the next 16 columns.
367 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
368 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
369 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
370 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
371 c4 = (int8_t*) ((uintptr_t) c4 + cn_stride);
372 c5 = (int8_t*) ((uintptr_t) c5 + cn_stride);
373
374 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
375 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
376 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
377 a3 = (const int8_t*) ((uintptr_t) a3 - kc);
378 a4 = (const int8_t*) ((uintptr_t) a4 - kc);
379 a5 = (const int8_t*) ((uintptr_t) a5 - kc);
380
381 nc -= 16;
382 } else {
383 // Final case where not all of the 16 columns fit in the destination.
384 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vget_low_s8(vout0x0123456789ABCDEF), vget_low_s8(vout1x0123456789ABCDEF));
385 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vget_low_s8(vout2x0123456789ABCDEF), vget_low_s8(vout3x0123456789ABCDEF));
386 int8x16_t vout4x01234567_5x01234567 = vcombine_s8(vget_low_s8(vout4x0123456789ABCDEF), vget_low_s8(vout5x0123456789ABCDEF));
387 if (nc & 8) {
388 vst1_s8(c0, vget_low_s8(vout0x01234567_1x01234567)); c0 += 8;
389 vst1_s8(c1, vget_high_s8(vout0x01234567_1x01234567)); c1 += 8;
390 vst1_s8(c2, vget_low_s8(vout2x01234567_3x01234567)); c2 += 8;
391 vst1_s8(c3, vget_high_s8(vout2x01234567_3x01234567)); c3 += 8;
392 vst1_s8(c4, vget_low_s8(vout4x01234567_5x01234567)); c4 += 8;
393 vst1_s8(c5, vget_high_s8(vout4x01234567_5x01234567)); c5 += 8;
394 vout0x01234567_1x01234567 = vcombine_s8(vget_high_s8(vout0x0123456789ABCDEF), vget_high_s8(vout1x0123456789ABCDEF));
395 vout2x01234567_3x01234567 = vcombine_s8(vget_high_s8(vout2x0123456789ABCDEF), vget_high_s8(vout3x0123456789ABCDEF));
396 vout4x01234567_5x01234567 = vcombine_s8(vget_high_s8(vout4x0123456789ABCDEF), vget_high_s8(vout5x0123456789ABCDEF));
397 }
398 if (nc & 4) {
399 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
400 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
401 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
402 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
403 vst1q_lane_u32((void*) c4, vreinterpretq_u32_s8(vout4x01234567_5x01234567), 0); c4 += 4;
404 vst1q_lane_u32((void*) c5, vreinterpretq_u32_s8(vout4x01234567_5x01234567), 2); c5 += 4;
405 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
406 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
407 vout4x01234567_5x01234567 = vextq_s8(vout4x01234567_5x01234567, vout4x01234567_5x01234567, 4);
408 }
409 if (nc & 2) {
410 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
411 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
412 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
413 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
414 vst1q_lane_u16((void*) c4, vreinterpretq_u16_s8(vout4x01234567_5x01234567), 0); c4 += 2;
415 vst1q_lane_u16((void*) c5, vreinterpretq_u16_s8(vout4x01234567_5x01234567), 4); c5 += 2;
416 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
417 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
418 vout4x01234567_5x01234567 = vextq_s8(vout4x01234567_5x01234567, vout4x01234567_5x01234567, 2);
419 }
420 if (nc & 1) {
421 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
422 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
423 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
424 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
425 vst1q_lane_s8(c4, vout4x01234567_5x01234567, 0);
426 vst1q_lane_s8(c5, vout4x01234567_5x01234567, 8);
427 }
428
429 nc = 0;
430 }
431 } while (nc != 0);
432 }
433