1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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_qs8_gemm_minmax_fp32_ukernel_2x8c2__neonv8_mlal_ld1r(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_fp32_ukernel_2x8c2__neonv8_mlal_ld1r(
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 <= 2);
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, 2 * 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
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 k = kc;
56
57 while (k >= 16 * sizeof(int8_t)) {
58 const int16x4_t va00x0 = vld1_dup_s16((const void*)a0);
59 const int16x4_t va01x0 = vld1_dup_s16((const void*)(a0 + 2));
60 const int16x4_t va02x0 = vld1_dup_s16((const void*)(a0 + 4));
61 const int16x4_t va03x0 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
62 const int16x4_t va00x1 = vld1_dup_s16((const void*)a0);
63 const int16x4_t va01x1 = vld1_dup_s16((const void*)(a0 + 2));
64 const int16x4_t va02x1 = vld1_dup_s16((const void*)(a0 + 4));
65 const int16x4_t va03x1 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
66 const int16x4_t va10x0 = vld1_dup_s16((const void*)a1);
67 const int16x4_t va11x0 = vld1_dup_s16((const void*)(a1 + 2));
68 const int16x4_t va12x0 = vld1_dup_s16((const void*)(a1 + 4));
69 const int16x4_t va13x0 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
70 const int16x4_t va10x1 = vld1_dup_s16((const void*)a1);
71 const int16x4_t va11x1 = vld1_dup_s16((const void*)(a1 + 2));
72 const int16x4_t va12x1 = vld1_dup_s16((const void*)(a1 + 4));
73 const int16x4_t va13x1 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
74 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
76 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
77 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
78 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
79 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
80 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
81 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82
83 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0);
84 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1);
85 const int8x8_t va1c0x0 = vreinterpret_s8_s16(va10x0);
86 const int8x8_t va1c0x1 = vreinterpret_s8_s16(va10x1);
87
88 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
89 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
90 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
91 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
92 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
93 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
94 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
95 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
96 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
97 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
98 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
99 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
100 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
101 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
102 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va01x0);
103 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va01x1);
104 const int8x8_t va1c1x0 = vreinterpret_s8_s16(va11x0);
105 const int8x8_t va1c1x1 = vreinterpret_s8_s16(va11x1);
106
107 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
108 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
109 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
110 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
111 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
112 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
113 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
114 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
115 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
116 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
117 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
118 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
119 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
120 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
121 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va02x0);
122 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va02x1);
123 const int8x8_t va1c2x0 = vreinterpret_s8_s16(va12x0);
124 const int8x8_t va1c2x1 = vreinterpret_s8_s16(va12x1);
125
126 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
127 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
128 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
129 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
130 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
131 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
132 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
133 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
134 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
135 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
136 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
137 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
138 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
139 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
140 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va03x0);
141 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va03x1);
142 const int8x8_t va1c3x0 = vreinterpret_s8_s16(va13x0);
143 const int8x8_t va1c3x1 = vreinterpret_s8_s16(va13x1);
144
145 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
146 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
147 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
148 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
149 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
150 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
151 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
152 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
153 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
154 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
156 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
157 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
158 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
159
160 k -= 16 * sizeof(int8_t);
161 }
162
163 if (k >= 8 * sizeof(int8_t)) {
164 const int16x4_t va00 = vld1_dup_s16((const void*)a0);
165 const int16x4_t va01 = vld1_dup_s16((const void*)(a0 + 2));
166 const int16x4_t va02 = vld1_dup_s16((const void*)(a0 + 4));
167 const int16x4_t va03 = vld1_dup_s16((const void*)(a0 + 6)); a0 += 8;
168 const int16x4_t va10 = vld1_dup_s16((const void*)a1);
169 const int16x4_t va11 = vld1_dup_s16((const void*)(a1 + 2));
170 const int16x4_t va12 = vld1_dup_s16((const void*)(a1 + 4));
171 const int16x4_t va13 = vld1_dup_s16((const void*)(a1 + 6)); a1 += 8;
172
173 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
174 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
175 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
177 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
178 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
179 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
180 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
181
182 const int8x8_t va0c0 = vreinterpret_s8_s16(va00);
183 const int8x8_t va1c0 = vreinterpret_s8_s16(va10);
184
185 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
186 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
187 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
188 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
189 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
190 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
191 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
192 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
193 const int8x8_t va0c1 = vreinterpret_s8_s16(va01);
194 const int8x8_t va1c1 = vreinterpret_s8_s16(va11);
195
196 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
197 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
198 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
199 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
200 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
201 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
202 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
203 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
204 const int8x8_t va0c2 = vreinterpret_s8_s16(va02);
205 const int8x8_t va1c2 = vreinterpret_s8_s16(va12);
206
207 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
208 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
209 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
210 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
211 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
212 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
213 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
214 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
215 const int8x8_t va0c3 = vreinterpret_s8_s16(va03);
216 const int8x8_t va1c3 = vreinterpret_s8_s16(va13);
217
218 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
219 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
220 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
221 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
222 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
223 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
224 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
225 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
226
227 k -= 8 * sizeof(int8_t);
228 }
229
230 if XNN_UNLIKELY(k != 0) {
231 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
232 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
233
234 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
235 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
236
237 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
238 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
239 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
240 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
241 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
242 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
243 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
244 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
245 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
246 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
247
248 if (k > 2 * sizeof(int8_t)) {
249 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
250 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
251
252 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
253 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
254 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
255 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
256 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
257 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
258 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
259 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
260 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
261 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
262
263 if (k > 4 * sizeof(int8_t)) {
264 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
265 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
266
267 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
268 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
269 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
270 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
271 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
272 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
273 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
274 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
275 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
276 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
277 }
278 }
279 }
280
281 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
282 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
283 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
284 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
285
286 const float32x4_t vscale = vld1q_dup_f32(¶ms->fp32_neonv8.scale);
287 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale);
288 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale);
289 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale);
290 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale);
291
292 vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123);
293 vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567);
294 vacc1x0123 = vcvtnq_s32_f32(vfpacc1x0123);
295 vacc1x4567 = vcvtnq_s32_f32(vfpacc1x4567);
296
297 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->fp32_neonv8.output_zero_point);
298 #if XNN_ARCH_ARM64
299 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
300 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
301
302 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
303 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
304
305 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
306 #else
307 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
308 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
309
310 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
311 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
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_neonv8.output_min);
317 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
318
319 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neonv8.output_max);
320 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
321
322 if (nc >= 8) {
323 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
324 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
325
326 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
327 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
328
329 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
330 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
331
332 nc -= 8;
333 } else {
334 // Final case where not all of the 8 columns fit in the destination.
335 if (nc & 4) {
336 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
337 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
338 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
339 }
340 if (nc & 2) {
341 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
342 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
343 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
344 }
345 if (nc & 1) {
346 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
347 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
348 }
349
350 nc = 0;
351 }
352 } while (nc != 0);
353 }
354