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/math.h>
16
xnn_qc8_igemm_minmax_fp32_ukernel_2x8c2__neon_mlal_dup(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)])17 void xnn_qc8_igemm_minmax_fp32_ukernel_2x8c2__neon_mlal_dup(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 size_t ks,
22 const int8_t** restrict a,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 size_t a_offset,
28 const int8_t* zero,
29 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 2);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(ks != 0);
36 assert(ks % (2 * sizeof(void*)) == 0);
37 assert(a_offset % sizeof(int8_t) == 0);
38 assert(a != NULL);
39 assert(w != NULL);
40 assert(c != NULL);
41
42 kc = round_up_po2(kc, 2 * sizeof(int8_t));
43 int8_t* c0 = c;
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr != 2) {
46 c1 = c0;
47 }
48
49 do {
50 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
51 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
52 int32x4_t vacc1x0123 = vacc0x0123;
53 int32x4_t vacc1x4567 = vacc0x4567;
54
55 size_t p = ks;
56 do {
57 const int8_t* restrict a0 = a[0];
58 if XNN_UNPREDICTABLE(a0 != zero) {
59 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
60 }
61 const int8_t* restrict a1 = a[1];
62 if XNN_UNPREDICTABLE(a1 != zero) {
63 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
64 }
65 a += 2;
66
67 size_t k = kc;
68
69 while (k >= 16 * sizeof(int8_t)) {
70 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
71 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
72 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
73 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
74
75 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
76 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
77 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
78 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
79 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
80 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
83
84 const int8x8_t va0c0x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 0));
85 const int8x8_t va0c0x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 0));
86 const int8x8_t va1c0x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 0));
87 const int8x8_t va1c0x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 0));
88
89 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
90 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
91 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
93 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
94 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
95 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
96 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
97 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
98 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
100 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
101 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
102 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
103 const int8x8_t va0c1x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 1));
104 const int8x8_t va0c1x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 1));
105 const int8x8_t va1c1x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 1));
106 const int8x8_t va1c1x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 1));
107
108 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
109 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
110 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
112 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
113 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
114 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
115 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
116 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
117 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
119 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
120 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
121 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
122 const int8x8_t va0c2x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 2));
123 const int8x8_t va0c2x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 2));
124 const int8x8_t va1c2x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 2));
125 const int8x8_t va1c2x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 2));
126
127 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
128 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
129 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
130 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
131 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
132 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
133 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
134 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
135 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
136 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
137 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
138 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
139 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
140 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
141 const int8x8_t va0c3x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 3));
142 const int8x8_t va0c3x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 3));
143 const int8x8_t va1c3x0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 3));
144 const int8x8_t va1c3x1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 3));
145
146 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
147 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
148 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
149 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
150 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
151 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
152 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
153 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
154 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
155 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
156 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
157 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
158 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
159 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
160
161 k -= 16 * sizeof(int8_t);
162 }
163
164 if (k >= 8 * sizeof(int8_t)) {
165 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
166 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
167
168 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
169 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
170 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
172 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
173 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
174 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
175 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176
177 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
178 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
179
180 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
181 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
182 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
183 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
184 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
185 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
186 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
187 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
188 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
189 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
190
191 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
192 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
193 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
194 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
195 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
196 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
197 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
198 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
199 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
200 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
201
202 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
203 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
204 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
205 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
206 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
207 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
208 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
209 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
210 const int8x8_t va0c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 3));
211 const int8x8_t va1c3 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 3));
212
213 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
214 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
215 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
216 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
217 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
218 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
219 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
220 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
221
222 k -= 8 * sizeof(int8_t);
223 }
224
225 if XNN_UNLIKELY(k != 0) {
226 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
227 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
228
229 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
230 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
231
232 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
233 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
234 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
235 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
236 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
237 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
238 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
239 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
240 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
241 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
242
243 if (k > 2 * sizeof(int8_t)) {
244 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
245 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
246
247 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
248 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
249 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
250 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
251 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
252 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
253 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
254 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
255 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
256 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
257
258 if (k > 4 * sizeof(int8_t)) {
259 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
260 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
261
262 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
263 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
264 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
265 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
266 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
267 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
268 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
269 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
270 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
271 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
272 }
273 }
274 }
275 p -= 2 * sizeof(void*);
276 } while (p != 0);
277
278 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
279 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
280 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
281 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
282
283 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
284 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
285 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
286 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
287 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
288 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
289
290 const float32x4_t vmagic_bias = vld1q_dup_f32(¶ms->fp32_neon.magic_bias);
291 vacc0x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x0123, vmagic_bias));
292 vacc0x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x4567, vmagic_bias));
293 vacc1x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x0123, vmagic_bias));
294 vacc1x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x4567, vmagic_bias));
295
296 const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(¶ms->fp32_neon.magic_bias_less_output_zero_point);
297 vacc0x0123 = vqsubq_s32(vacc0x0123, vmagic_bias_less_output_zero_point);
298 vacc0x4567 = vqsubq_s32(vacc0x4567, vmagic_bias_less_output_zero_point);
299 vacc1x0123 = vqsubq_s32(vacc1x0123, vmagic_bias_less_output_zero_point);
300 vacc1x4567 = vqsubq_s32(vacc1x4567, vmagic_bias_less_output_zero_point);
301
302 #if XNN_ARCH_ARM64
303 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
304 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
305
306
307 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
308 #else
309 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
310 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
311
312
313 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
314 #endif
315
316 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neon.output_min);
317 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
318
319 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neon.output_max);
320 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
321
322 if (nc >= 8) {
323 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
324 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
325
326 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
327 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
328
329 a = (const int8_t**restrict) ((uintptr_t) a - ks);
330
331 nc -= 8;
332 } else {
333 if (nc & 4) {
334 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
335 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
336 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
337 }
338 if (nc & 2) {
339 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
340 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
341 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
342 }
343 if (nc & 1) {
344 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
345 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
346 }
347
348 nc = 0;
349 }
350 } while (nc != 0);
351 }
352