1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c2-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/intrinsics-polyfill.h>
16 #include <xnnpack/math.h>
17
xnn_qc8_igemm_minmax_fp32_ukernel_2x8c2__neonv8_mlal_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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_2x8c2__neonv8_mlal_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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 2);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (2 * 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, 2 * 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
50 do {
51 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
52 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
53 int32x4_t vacc1x0123 = vacc0x0123;
54 int32x4_t vacc1x4567 = vacc0x4567;
55
56 size_t p = ks;
57 do {
58 const int8_t* restrict a0 = a[0];
59 if XNN_UNPREDICTABLE(a0 != zero) {
60 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
61 }
62 const int8_t* restrict a1 = a[1];
63 if XNN_UNPREDICTABLE(a1 != zero) {
64 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
65 }
66 a += 2;
67
68 size_t k = kc;
69
70 while (k >= 16 * sizeof(int8_t)) {
71 const int16x4_t va00x0 = vld1_dup_s16((const void*)a0);
72 const int16x4_t va01x0 = vld1_dup_s16((const void*)(a0 + 2));
73 const int16x4_t va02x0 = vld1_dup_s16((const void*)(a0 + 4));
74 const int16x4_t va03x0 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
75 const int16x4_t va00x1 = vld1_dup_s16((const void*)a0);
76 const int16x4_t va01x1 = vld1_dup_s16((const void*)(a0 + 2));
77 const int16x4_t va02x1 = vld1_dup_s16((const void*)(a0 + 4));
78 const int16x4_t va03x1 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
79 const int16x4_t va10x0 = vld1_dup_s16((const void*)a1);
80 const int16x4_t va11x0 = vld1_dup_s16((const void*)(a1 + 2));
81 const int16x4_t va12x0 = vld1_dup_s16((const void*)(a1 + 4));
82 const int16x4_t va13x0 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
83 const int16x4_t va10x1 = vld1_dup_s16((const void*)a1);
84 const int16x4_t va11x1 = vld1_dup_s16((const void*)(a1 + 2));
85 const int16x4_t va12x1 = vld1_dup_s16((const void*)(a1 + 4));
86 const int16x4_t va13x1 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
87
88 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
90 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
91 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
96
97 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0);
98 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1);
99 const int8x8_t va1c0x0 = vreinterpret_s8_s16(va10x0);
100 const int8x8_t va1c0x1 = vreinterpret_s8_s16(va10x1);
101
102 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
103 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
104 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
106 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
107 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
108 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
109 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
110 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
111 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
112 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
113 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
114 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
115 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
116 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va01x0);
117 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va01x1);
118 const int8x8_t va1c1x0 = vreinterpret_s8_s16(va11x0);
119 const int8x8_t va1c1x1 = vreinterpret_s8_s16(va11x1);
120
121 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
122 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
123 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
124 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
125 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
126 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
127 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
128 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
129 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
130 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
131 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
132 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
133 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
134 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
135 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va02x0);
136 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va02x1);
137 const int8x8_t va1c2x0 = vreinterpret_s8_s16(va12x0);
138 const int8x8_t va1c2x1 = vreinterpret_s8_s16(va12x1);
139
140 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
141 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
142 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
143 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
144 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
145 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
146 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
147 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
148 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
149 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
150 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
151 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
152 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
153 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
154 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va03x0);
155 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va03x1);
156 const int8x8_t va1c3x0 = vreinterpret_s8_s16(va13x0);
157 const int8x8_t va1c3x1 = vreinterpret_s8_s16(va13x1);
158
159 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
160 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
161 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
162 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
163 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
164 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
165 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
166 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
167 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
168 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
170 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
171 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
172 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
173
174 k -= 16 * sizeof(int8_t);
175 }
176
177 if (k >= 8 * sizeof(int8_t)) {
178 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
179 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
180 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
181 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
182 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
183 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
184 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
185 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
186
187 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
188 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
189 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
190 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
191 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
192 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
193 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
194 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
195
196 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
197 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
198
199 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
200 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
201 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
202 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
203 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
204 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
205 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
206 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
207 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
208 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
209
210 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
211 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
212 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
213 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
214 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
215 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
216 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
217 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
218 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
219 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
220
221 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
222 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
223 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
224 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
225 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
226 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
227 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
228 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
229 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
230 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
231
232 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
233 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
234 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
235 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
236 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
237 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
238 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
239 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
240
241 k -= 8 * sizeof(int8_t);
242 }
243
244 if XNN_UNLIKELY(k != 0) {
245 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
246 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
247
248 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
249 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
250
251 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
252 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
253 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
254 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
255 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
256 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
257 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
258 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
259 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
260 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
261
262 if (k > 2 * sizeof(int8_t)) {
263 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
264 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
265
266 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
267 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
268 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
269 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
270 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
271 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
272 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
273 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
274 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
275 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
276
277 if (k > 4 * sizeof(int8_t)) {
278 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
279 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
280
281 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
282 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
283 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
284 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
285 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
286 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
287 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
288 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
289 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
290 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
291 }
292 }
293 }
294 p -= 2 * sizeof(void*);
295 } while (p != 0);
296
297 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
298 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
299 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
300 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
301
302 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
303 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
304 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
305 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
306 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
307 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
308
309 vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123);
310 vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567);
311 vacc1x0123 = vcvtnq_s32_f32(vfpacc1x0123);
312 vacc1x4567 = vcvtnq_s32_f32(vfpacc1x4567);
313
314 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->fp32_neonv8.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
319 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
320 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
321
322 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
323 #else
324 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
325 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
326
327 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
328 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
329
330 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
331 #endif
332
333 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neonv8.output_min);
334 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
335
336 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neonv8.output_max);
337 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
338
339 if (nc >= 8) {
340 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
341 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
342
343 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
344 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
345
346 a = (const int8_t**restrict) ((uintptr_t) a - ks);
347
348 nc -= 8;
349 } else {
350 if (nc & 4) {
351 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
352 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
353 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
354 }
355 if (nc & 2) {
356 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
357 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
358 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
359 }
360 if (nc & 1) {
361 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
362 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
363 }
364
365 nc = 0;
366 }
367 } while (nc != 0);
368 }
369