1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-neon-mull-dup.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <arm_neon.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_igemm_minmax_rndnu_ukernel_4x8c4__neon_mull_ld1r(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_rndnu_ukernel_4x8c4__neon_mull_ld1r(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 4);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (4 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 4 * sizeof(int8_t));
44 int8_t* c0 = c;
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 c1 = c0;
48 }
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 c2 = c1;
52 }
53 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
54 if XNN_UNPREDICTABLE(mr != 4) {
55 c3 = c2;
56 }
57
58 do {
59 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
60 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
61 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
62 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
63 int32x4_t vacc1x01 = vacc0x01;
64 int32x4_t vacc1x23 = vacc0x23;
65 int32x4_t vacc1x45 = vacc0x45;
66 int32x4_t vacc1x67 = vacc0x67;
67 int32x4_t vacc2x01 = vacc0x01;
68 int32x4_t vacc2x23 = vacc0x23;
69 int32x4_t vacc2x45 = vacc0x45;
70 int32x4_t vacc2x67 = vacc0x67;
71 int32x4_t vacc3x01 = vacc0x01;
72 int32x4_t vacc3x23 = vacc0x23;
73 int32x4_t vacc3x45 = vacc0x45;
74 int32x4_t vacc3x67 = vacc0x67;
75
76 size_t p = ks;
77 do {
78 const int8_t* restrict a0 = a[0];
79 if XNN_UNPREDICTABLE(a0 != zero) {
80 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
81 }
82 const int8_t* restrict a1 = a[1];
83 if XNN_UNPREDICTABLE(a1 != zero) {
84 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
85 }
86 const int8_t* restrict a2 = a[2];
87 if XNN_UNPREDICTABLE(a2 != zero) {
88 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
89 }
90 const int8_t* restrict a3 = a[3];
91 if XNN_UNPREDICTABLE(a3 != zero) {
92 a3 = (const int8_t*) ((uintptr_t) a3 + a_offset);
93 }
94 a += 4;
95
96 size_t k = kc;
97
98
99 while (k >= 8 * sizeof(int8_t)) {
100 const int32x2_t va00 = vld1_dup_s32((const void*)a0);
101 const int32x2_t va01 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
102 const int32x2_t va10 = vld1_dup_s32((const void*)a1);
103 const int32x2_t va11 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
104 const int32x2_t va20 = vld1_dup_s32((const void*)a2);
105 const int32x2_t va21 = vld1_dup_s32((const void*)(a2 + 4)); a2 += 8;
106 const int32x2_t va30 = vld1_dup_s32((const void*)a3);
107 const int32x2_t va31 = vld1_dup_s32((const void*)(a3 + 4)); a3 += 8;
108
109 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
110 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
113 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
114 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
116 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117
118 const int8x8_t va0c0 = vreinterpret_s8_s32(va00);
119 const int8x8_t va1c0 = vreinterpret_s8_s32(va10);
120 const int8x8_t va2c0 = vreinterpret_s8_s32(va20);
121 const int8x8_t va3c0 = vreinterpret_s8_s32(va30);
122
123 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
124 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
125 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
126 const int16x8_t vprod3x01c0 = vmull_s8(vb01c0, va3c0);
127 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
128 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
129 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
130 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c0);
131 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
132 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
133 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
134 const int16x8_t vprod3x23c0 = vmull_s8(vb23c0, va3c0);
135 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
136 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
137 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
138 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c0);
139 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
140 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
141 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
142 const int16x8_t vprod3x45c0 = vmull_s8(vb45c0, va3c0);
143 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
144 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
145 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
146 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c0);
147 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
148 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
149 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
150 const int16x8_t vprod3x67c0 = vmull_s8(vb67c0, va3c0);
151 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
152 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
153 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
154 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c0);
155 const int8x8_t va0c1 = vreinterpret_s8_s32(va01);
156 const int8x8_t va1c1 = vreinterpret_s8_s32(va11);
157 const int8x8_t va2c1 = vreinterpret_s8_s32(va21);
158 const int8x8_t va3c1 = vreinterpret_s8_s32(va31);
159
160 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
161 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
162 const int16x8_t vprod2x01c1 = vmull_s8(vb01c1, va2c1);
163 const int16x8_t vprod3x01c1 = vmull_s8(vb01c1, va3c1);
164 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
165 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
166 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c1);
167 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c1);
168 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
169 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
170 const int16x8_t vprod2x23c1 = vmull_s8(vb23c1, va2c1);
171 const int16x8_t vprod3x23c1 = vmull_s8(vb23c1, va3c1);
172 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
173 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
174 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c1);
175 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c1);
176 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
177 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
178 const int16x8_t vprod2x45c1 = vmull_s8(vb45c1, va2c1);
179 const int16x8_t vprod3x45c1 = vmull_s8(vb45c1, va3c1);
180 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
181 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
182 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c1);
183 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c1);
184 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
185 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
186 const int16x8_t vprod2x67c1 = vmull_s8(vb67c1, va2c1);
187 const int16x8_t vprod3x67c1 = vmull_s8(vb67c1, va3c1);
188 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
189 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
190 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c1);
191 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c1);
192
193 k -= 8 * sizeof(int8_t);
194 }
195
196 if XNN_UNLIKELY(k != 0) {
197 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
198 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
199 const int8x8_t va2 = vld1_s8(a2); a2 = (const int8_t*) ((uintptr_t) a2 + k);
200 const int8x8_t va3 = vld1_s8(a3); a3 = (const int8_t*) ((uintptr_t) a3 + k);
201
202 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
203 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
204 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
205 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
206
207 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
208 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
209 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
210 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
211 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
212 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
213 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
214 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
215 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
216 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
217 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
218 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
219 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
220 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
221 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
222 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
223 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
224 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
225 const int8x8_t va2c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va2), 0));
226 const int16x8_t vprod2x01c0 = vmull_s8(vb01c0, va2c0);
227 vacc2x01 = vpadalq_s16(vacc2x01, vprod2x01c0);
228 const int16x8_t vprod2x23c0 = vmull_s8(vb23c0, va2c0);
229 vacc2x23 = vpadalq_s16(vacc2x23, vprod2x23c0);
230 const int16x8_t vprod2x45c0 = vmull_s8(vb45c0, va2c0);
231 vacc2x45 = vpadalq_s16(vacc2x45, vprod2x45c0);
232 const int16x8_t vprod2x67c0 = vmull_s8(vb67c0, va2c0);
233 vacc2x67 = vpadalq_s16(vacc2x67, vprod2x67c0);
234 const int8x8_t va3c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va3), 0));
235 const int16x8_t vprod3x01c0 = vmull_s8(vb01c0, va3c0);
236 vacc3x01 = vpadalq_s16(vacc3x01, vprod3x01c0);
237 const int16x8_t vprod3x23c0 = vmull_s8(vb23c0, va3c0);
238 vacc3x23 = vpadalq_s16(vacc3x23, vprod3x23c0);
239 const int16x8_t vprod3x45c0 = vmull_s8(vb45c0, va3c0);
240 vacc3x45 = vpadalq_s16(vacc3x45, vprod3x45c0);
241 const int16x8_t vprod3x67c0 = vmull_s8(vb67c0, va3c0);
242 vacc3x67 = vpadalq_s16(vacc3x67, vprod3x67c0);
243 }
244 p -= 4 * sizeof(void*);
245 } while (p != 0);
246
247 #if XNN_ARCH_ARM64
248 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
249 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
250 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
251 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
252 int32x4_t vacc2x0123 = vpaddq_s32(vacc2x01, vacc2x23);
253 int32x4_t vacc2x4567 = vpaddq_s32(vacc2x45, vacc2x67);
254 int32x4_t vacc3x0123 = vpaddq_s32(vacc3x01, vacc3x23);
255 int32x4_t vacc3x4567 = vpaddq_s32(vacc3x45, vacc3x67);
256 #else
257 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
258 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
259 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
260 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
261 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
262 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
263 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
264 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
265 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
266 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
267 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
268 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
269 const int32x2_t vsum2x01 = vpadd_s32(vget_low_s32(vacc2x01), vget_high_s32(vacc2x01));
270 const int32x2_t vsum2x23 = vpadd_s32(vget_low_s32(vacc2x23), vget_high_s32(vacc2x23));
271 int32x4_t vacc2x0123 = vcombine_s32(vsum2x01, vsum2x23);
272 const int32x2_t vsum2x45 = vpadd_s32(vget_low_s32(vacc2x45), vget_high_s32(vacc2x45));
273 const int32x2_t vsum2x67 = vpadd_s32(vget_low_s32(vacc2x67), vget_high_s32(vacc2x67));
274 int32x4_t vacc2x4567 = vcombine_s32(vsum2x45, vsum2x67);
275 const int32x2_t vsum3x01 = vpadd_s32(vget_low_s32(vacc3x01), vget_high_s32(vacc3x01));
276 const int32x2_t vsum3x23 = vpadd_s32(vget_low_s32(vacc3x23), vget_high_s32(vacc3x23));
277 int32x4_t vacc3x0123 = vcombine_s32(vsum3x01, vsum3x23);
278 const int32x2_t vsum3x45 = vpadd_s32(vget_low_s32(vacc3x45), vget_high_s32(vacc3x45));
279 const int32x2_t vsum3x67 = vpadd_s32(vget_low_s32(vacc3x67), vget_high_s32(vacc3x67));
280 int32x4_t vacc3x4567 = vcombine_s32(vsum3x45, vsum3x67);
281 #endif
282
283 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
284 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
285 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
286
287 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
288 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
289 vacc1x0123 = vqshlq_s32(vacc1x0123, vright_pre_shift);
290 vacc1x4567 = vqshlq_s32(vacc1x4567, vright_pre_shift);
291 vacc2x0123 = vqshlq_s32(vacc2x0123, vright_pre_shift);
292 vacc2x4567 = vqshlq_s32(vacc2x4567, vright_pre_shift);
293 vacc3x0123 = vqshlq_s32(vacc3x0123, vright_pre_shift);
294 vacc3x4567 = vqshlq_s32(vacc3x4567, vright_pre_shift);
295
296 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
297 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
298 vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
299 vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
300 vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
301 vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
302 vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
303 vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
304
305 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
306 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
307 vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
308 vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
309 vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
310 vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
311 vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
312 vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
313
314 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
315 #if XNN_ARCH_ARM64
316 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
317 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
318 int16x8_t vacc2x01234567 = vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567);
319 int16x8_t vacc3x01234567 = vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567);
320
321 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
322 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
323 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
324 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
325
326 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
327 int8x16_t vout2x01234567_3x01234567 = vqmovn_high_s16(vqmovn_s16(vacc2x01234567), vacc3x01234567);
328 #else
329 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
330 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
331 int16x8_t vacc2x01234567 = vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567));
332 int16x8_t vacc3x01234567 = vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567));
333
334 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
335 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
336 vacc2x01234567 = vqaddq_s16(vacc2x01234567, voutput_zero_point);
337 vacc3x01234567 = vqaddq_s16(vacc3x01234567, voutput_zero_point);
338
339 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
340 int8x16_t vout2x01234567_3x01234567 = vcombine_s8(vqmovn_s16(vacc2x01234567), vqmovn_s16(vacc3x01234567));
341 #endif
342
343 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->rndnu_neon.output_min);
344 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
345 vout2x01234567_3x01234567 = vmaxq_s8(vout2x01234567_3x01234567, voutput_min);
346
347 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->rndnu_neon.output_max);
348 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
349 vout2x01234567_3x01234567 = vminq_s8(vout2x01234567_3x01234567, voutput_max);
350
351 if (nc >= 8) {
352 vst1_s8(c3 + 0, vget_high_s8(vout2x01234567_3x01234567));
353 vst1_s8(c2 + 0, vget_low_s8(vout2x01234567_3x01234567));
354 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
355 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
356
357 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
358 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
359 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
360 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
361
362 a = (const int8_t**restrict) ((uintptr_t) a - ks);
363
364 nc -= 8;
365 } else {
366 if (nc & 4) {
367 vst1q_lane_u32((void*) c3, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 2); c3 += 4;
368 vst1q_lane_u32((void*) c2, vreinterpretq_u32_s8(vout2x01234567_3x01234567), 0); c2 += 4;
369 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
370 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
371 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
372 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
373 }
374 if (nc & 2) {
375 vst1q_lane_u16((void*) c3, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 4); c3 += 2;
376 vst1q_lane_u16((void*) c2, vreinterpretq_u16_s8(vout2x01234567_3x01234567), 0); c2 += 2;
377 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
378 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
379 vout2x01234567_3x01234567 = vextq_s8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
380 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
381 }
382 if (nc & 1) {
383 vst1q_lane_s8(c3, vout2x01234567_3x01234567, 8);
384 vst1q_lane_s8(c2, vout2x01234567_3x01234567, 0);
385 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
386 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
387 }
388
389 nc = 0;
390 }
391 } while (nc != 0);
392 }
393