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/math.h>
16
xnn_qc8_gemm_minmax_fp32_ukernel_2x8c2__neon_mlal_ld2r(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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qc8_gemm_minmax_fp32_ukernel_2x8c2__neon_mlal_ld2r(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 const int8_t* restrict a,
22 size_t a_stride,
23 const void* restrict w,
24 int8_t* restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29 assert(mr != 0);
30 assert(mr <= 2);
31 assert(nc != 0);
32 assert(kc != 0);
33 assert(kc % sizeof(int8_t) == 0);
34 assert(a != NULL);
35 assert(w != NULL);
36 assert(c != NULL);
37
38 kc = round_up_po2(kc, 2 * sizeof(int8_t));
39 const int8_t* a0 = a;
40 int8_t* c0 = c;
41 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
42 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
43 if XNN_UNPREDICTABLE(mr != 2) {
44 a1 = a0;
45 c1 = c0;
46 }
47
48 do {
49 int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
50 int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
51 int32x4_t vacc1x0123 = vacc0x0123;
52 int32x4_t vacc1x4567 = vacc0x4567;
53
54 size_t k = kc;
55
56 while (k >= 16 * sizeof(int8_t)) {
57 const int16x4x2_t va00x0 = vld2_dup_s16((const void*)a0);
58 const int16x4x2_t va01x0 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
59 const int16x4x2_t va00x1 = vld2_dup_s16((const void*)a0);
60 const int16x4x2_t va01x1 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
61 const int16x4x2_t va10x0 = vld2_dup_s16((const void*)a1);
62 const int16x4x2_t va11x0 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
63 const int16x4x2_t va10x1 = vld2_dup_s16((const void*)a1);
64 const int16x4x2_t va11x1 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
65 const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
66 const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
67 const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
72 const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73
74 const int8x8_t va0c0x0 = vreinterpret_s8_s16(va00x0.val[0]);
75 const int8x8_t va0c0x1 = vreinterpret_s8_s16(va00x1.val[0]);
76 const int8x8_t va1c0x0 = vreinterpret_s8_s16(va10x0.val[0]);
77 const int8x8_t va1c0x1 = vreinterpret_s8_s16(va10x1.val[0]);
78
79 int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, va0c0x0);
80 int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, va1c0x0);
81 const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
82 vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, va0c0x1);
83 vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, va1c0x1);
84 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
85 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
86 int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, va0c0x0);
87 int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, va1c0x0);
88 const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, va0c0x1);
90 vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, va1c0x1);
91 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
92 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
93 const int8x8_t va0c1x0 = vreinterpret_s8_s16(va00x0.val[1]);
94 const int8x8_t va0c1x1 = vreinterpret_s8_s16(va00x1.val[1]);
95 const int8x8_t va1c1x0 = vreinterpret_s8_s16(va10x0.val[1]);
96 const int8x8_t va1c1x1 = vreinterpret_s8_s16(va10x1.val[1]);
97
98 int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, va0c1x0);
99 int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, va1c1x0);
100 const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, va0c1x1);
102 vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, va1c1x1);
103 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
104 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
105 int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, va0c1x0);
106 int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, va1c1x0);
107 const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108 vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, va0c1x1);
109 vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, va1c1x1);
110 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
111 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
112 const int8x8_t va0c2x0 = vreinterpret_s8_s16(va01x0.val[0]);
113 const int8x8_t va0c2x1 = vreinterpret_s8_s16(va01x1.val[0]);
114 const int8x8_t va1c2x0 = vreinterpret_s8_s16(va11x0.val[0]);
115 const int8x8_t va1c2x1 = vreinterpret_s8_s16(va11x1.val[0]);
116
117 int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, va0c2x0);
118 int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, va1c2x0);
119 const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
120 vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, va0c2x1);
121 vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, va1c2x1);
122 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
123 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
124 int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, va0c2x0);
125 int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, va1c2x0);
126 const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
127 vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, va0c2x1);
128 vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, va1c2x1);
129 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
130 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
131 const int8x8_t va0c3x0 = vreinterpret_s8_s16(va01x0.val[1]);
132 const int8x8_t va0c3x1 = vreinterpret_s8_s16(va01x1.val[1]);
133 const int8x8_t va1c3x0 = vreinterpret_s8_s16(va11x0.val[1]);
134 const int8x8_t va1c3x1 = vreinterpret_s8_s16(va11x1.val[1]);
135
136 int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, va0c3x0);
137 int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, va1c3x0);
138 const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, va0c3x1);
140 vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, va1c3x1);
141 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
142 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
143 int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, va0c3x0);
144 int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, va1c3x0);
145 const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
146 vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, va0c3x1);
147 vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, va1c3x1);
148 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
149 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
150
151 k -= 16 * sizeof(int8_t);
152 }
153
154 if (k >= 8 * sizeof(int8_t)) {
155 const int16x4x2_t va00 = vld2_dup_s16((const void*)a0);
156 const int16x4x2_t va01 = vld2_dup_s16((const void*)(a0 + 4)); a0 += 8;
157 const int16x4x2_t va10 = vld2_dup_s16((const void*)a1);
158 const int16x4x2_t va11 = vld2_dup_s16((const void*)(a1 + 4)); a1 += 8;
159
160 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
161 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
162 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
163 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
164 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
165 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
166 const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
167 const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
168
169 const int8x8_t va0c0 = vreinterpret_s8_s16(va00.val[0]);
170 const int8x8_t va1c0 = vreinterpret_s8_s16(va10.val[0]);
171
172 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
173 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
174 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
175 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
176 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
177 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
178 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
179 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
180 const int8x8_t va0c1 = vreinterpret_s8_s16(va00.val[1]);
181 const int8x8_t va1c1 = vreinterpret_s8_s16(va10.val[1]);
182
183 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
184 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
185 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
186 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
187 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
188 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
189 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
190 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
191 const int8x8_t va0c2 = vreinterpret_s8_s16(va01.val[0]);
192 const int8x8_t va1c2 = vreinterpret_s8_s16(va11.val[0]);
193
194 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
195 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
196 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
197 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
198 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
199 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
200 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
201 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
202 const int8x8_t va0c3 = vreinterpret_s8_s16(va01.val[1]);
203 const int8x8_t va1c3 = vreinterpret_s8_s16(va11.val[1]);
204
205 const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, va0c3);
206 const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, va1c3);
207 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3);
208 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3);
209 const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, va0c3);
210 const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, va1c3);
211 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3);
212 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3);
213
214 k -= 8 * sizeof(int8_t);
215 }
216
217 if XNN_UNLIKELY(k != 0) {
218 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
219 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
220
221 const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
222 const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
223
224 const int8x8_t va0c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0));
225 const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, va0c0);
226 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0);
227 const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, va0c0);
228 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0);
229 const int8x8_t va1c0 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0));
230 const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, va1c0);
231 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0);
232 const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, va1c0);
233 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0);
234
235 if (k > 2 * sizeof(int8_t)) {
236 const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
237 const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
238
239 const int8x8_t va0c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1));
240 const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, va0c1);
241 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1);
242 const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, va0c1);
243 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1);
244 const int8x8_t va1c1 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1));
245 const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, va1c1);
246 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1);
247 const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, va1c1);
248 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1);
249
250 if (k > 4 * sizeof(int8_t)) {
251 const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
252 const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
253
254 const int8x8_t va0c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2));
255 const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, va0c2);
256 vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2);
257 const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, va0c2);
258 vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2);
259 const int8x8_t va1c2 = vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2));
260 const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, va1c2);
261 vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2);
262 const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, va1c2);
263 vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2);
264 }
265 }
266 }
267
268 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
269 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
270 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
271 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
272
273 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
274 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
275 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
276 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
277 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
278 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
279
280 const float32x4_t vmagic_bias = vld1q_dup_f32(¶ms->fp32_neon.magic_bias);
281 vacc0x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x0123, vmagic_bias));
282 vacc0x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x4567, vmagic_bias));
283 vacc1x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x0123, vmagic_bias));
284 vacc1x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x4567, vmagic_bias));
285
286 const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(¶ms->fp32_neon.magic_bias_less_output_zero_point);
287 vacc0x0123 = vqsubq_s32(vacc0x0123, vmagic_bias_less_output_zero_point);
288 vacc0x4567 = vqsubq_s32(vacc0x4567, vmagic_bias_less_output_zero_point);
289 vacc1x0123 = vqsubq_s32(vacc1x0123, vmagic_bias_less_output_zero_point);
290 vacc1x4567 = vqsubq_s32(vacc1x4567, vmagic_bias_less_output_zero_point);
291
292 #if XNN_ARCH_ARM64
293 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
294 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
295
296
297 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
298 #else
299 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
300 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
301
302
303 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
304 #endif
305
306 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neon.output_min);
307 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
308
309 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neon.output_max);
310 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
311
312 if (nc >= 8) {
313 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
314 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
315
316 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
317 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
318
319 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
320 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
321
322 nc -= 8;
323 } else {
324 // Final case where not all of the 8 columns fit in the destination.
325 if (nc & 4) {
326 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
327 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
328 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
329 }
330 if (nc & 2) {
331 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
332 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
333 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
334 }
335 if (nc & 1) {
336 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
337 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
338 }
339
340 nc = 0;
341 }
342 } while (nc != 0);
343 }
344