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_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)])17 void xnn_qc8_igemm_minmax_fp32_ukernel_2x8c2__neon_mlal_ld1r(
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 int16x4_t va00x0 = vld1_dup_s16((const void*)a0);
71 const int16x4_t va01x0 = vld1_dup_s16((const void*)(a0 + 2));
72 const int16x4_t va02x0 = vld1_dup_s16((const void*)(a0 + 4));
73 const int16x4_t va03x0 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
74 const int16x4_t va00x1 = vld1_dup_s16((const void*)a0);
75 const int16x4_t va01x1 = vld1_dup_s16((const void*)(a0 + 2));
76 const int16x4_t va02x1 = vld1_dup_s16((const void*)(a0 + 4));
77 const int16x4_t va03x1 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
78 const int16x4_t va10x0 = vld1_dup_s16((const void*)a1);
79 const int16x4_t va11x0 = vld1_dup_s16((const void*)(a1 + 2));
80 const int16x4_t va12x0 = vld1_dup_s16((const void*)(a1 + 4));
81 const int16x4_t va13x0 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
82 const int16x4_t va10x1 = vld1_dup_s16((const void*)a1);
83 const int16x4_t va11x1 = vld1_dup_s16((const void*)(a1 + 2));
84 const int16x4_t va12x1 = vld1_dup_s16((const void*)(a1 + 4));
85 const int16x4_t va13x1 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
86
87 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
88 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
90 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
91 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
93 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
94 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
95
96 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0);
97 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1);
98 const int8x8_t va1c0x0 = vreinterpret_s8_s16(va10x0);
99 const int8x8_t va1c0x1 = vreinterpret_s8_s16(va10x1);
100
101 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
102 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
103 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
105 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
106 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
107 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
108 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
109 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
110 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
111 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
112 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
113 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
114 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
115 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va01x0);
116 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va01x1);
117 const int8x8_t va1c1x0 = vreinterpret_s8_s16(va11x0);
118 const int8x8_t va1c1x1 = vreinterpret_s8_s16(va11x1);
119
120 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
121 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
122 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
123 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
124 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
125 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
126 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
127 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
128 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
129 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
130 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
131 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
132 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
133 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
134 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va02x0);
135 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va02x1);
136 const int8x8_t va1c2x0 = vreinterpret_s8_s16(va12x0);
137 const int8x8_t va1c2x1 = vreinterpret_s8_s16(va12x1);
138
139 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
140 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
141 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
142 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
143 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
144 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
145 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
146 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
147 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
148 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
149 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
150 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
151 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
152 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
153 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va03x0);
154 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va03x1);
155 const int8x8_t va1c3x0 = vreinterpret_s8_s16(va13x0);
156 const int8x8_t va1c3x1 = vreinterpret_s8_s16(va13x1);
157
158 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
159 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
160 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
162 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
163 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
164 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
165 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
166 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
167 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
168 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
169 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
170 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
171 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
172
173 k -= 16 * sizeof(int8_t);
174 }
175
176 if (k >= 8 * sizeof(int8_t)) {
177 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
178 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
179 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
180 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
181 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
182 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
183 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
184 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
185
186 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
187 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
188 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
189 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
190 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
191 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
192 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
193 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
194
195 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
196 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
197
198 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
199 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
200 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
201 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
202 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
203 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
204 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
205 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
206 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
207 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
208
209 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
210 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
211 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
212 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
213 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
214 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
215 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
216 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
217 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
218 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
219
220 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
221 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
222 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
223 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
224 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
225 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
226 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
227 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
228 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
229 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
230
231 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
232 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
233 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
234 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
235 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
236 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
237 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
238 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
239
240 k -= 8 * sizeof(int8_t);
241 }
242
243 if XNN_UNLIKELY(k != 0) {
244 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
245 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
246
247 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
248 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
249
250 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
251 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
252 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
253 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
254 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
255 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
256 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
257 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
258 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
259 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
260
261 if (k > 2 * sizeof(int8_t)) {
262 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
263 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
264
265 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
266 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
267 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
268 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
269 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
270 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
271 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
272 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
273 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
274 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
275
276 if (k > 4 * sizeof(int8_t)) {
277 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
278 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
279
280 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
281 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
282 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
283 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
284 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
285 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
286 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
287 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
288 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
289 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
290 }
291 }
292 }
293 p -= 2 * sizeof(void*);
294 } while (p != 0);
295
296 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
297 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
298 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
299 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
300
301 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
302 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
303 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
304 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
305 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
306 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
307
308 const float32x4_t vmagic_bias = vld1q_dup_f32(¶ms->fp32_neon.magic_bias);
309 vacc0x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x0123, vmagic_bias));
310 vacc0x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x4567, vmagic_bias));
311 vacc1x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x0123, vmagic_bias));
312 vacc1x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x4567, vmagic_bias));
313
314 const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(¶ms->fp32_neon.magic_bias_less_output_zero_point);
315 vacc0x0123 = vqsubq_s32(vacc0x0123, vmagic_bias_less_output_zero_point);
316 vacc0x4567 = vqsubq_s32(vacc0x4567, vmagic_bias_less_output_zero_point);
317 vacc1x0123 = vqsubq_s32(vacc1x0123, vmagic_bias_less_output_zero_point);
318 vacc1x4567 = vqsubq_s32(vacc1x4567, vmagic_bias_less_output_zero_point);
319
320 #if XNN_ARCH_ARM64
321 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
322 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
323
324
325 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
326 #else
327 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
328 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
329
330
331 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
332 #endif
333
334 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neon.output_min);
335 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
336
337 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neon.output_max);
338 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
339
340 if (nc >= 8) {
341 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
342 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
343
344 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
345 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
346
347 a = (const int8_t**restrict) ((uintptr_t) a - ks);
348
349 nc -= 8;
350 } else {
351 if (nc & 4) {
352 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
353 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
354 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
355 }
356 if (nc & 2) {
357 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
358 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
359 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
360 }
361 if (nc & 1) {
362 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
363 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
364 }
365
366 nc = 0;
367 }
368 } while (nc != 0);
369 }
370