1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-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
17
xnn_qc8_igemm_minmax_fp32_ukernel_2x8c4__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)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_2x8c4__neon_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, 4 * 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 vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
52 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
53 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
54 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
55 int32x4_t vacc1x01 = vacc0x01;
56 int32x4_t vacc1x23 = vacc0x23;
57 int32x4_t vacc1x45 = vacc0x45;
58 int32x4_t vacc1x67 = vacc0x67;
59
60 size_t p = ks;
61 do {
62 const int8_t* restrict a0 = a[0];
63 if XNN_UNPREDICTABLE(a0 != zero) {
64 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
65 }
66 const int8_t* restrict a1 = a[1];
67 if XNN_UNPREDICTABLE(a1 != zero) {
68 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
69 }
70 a += 2;
71
72 size_t k = kc;
73
74 while (k >= 16 * sizeof(int8_t)) {
75 const int32x2_t va00x0 = vld1_dup_s32((const void*)a0);
76 const int32x2_t va01x0 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
77 const int32x2_t va00x1 = vld1_dup_s32((const void*)a0);
78 const int32x2_t va01x1 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
79 const int32x2_t va10x0 = vld1_dup_s32((const void*)a1);
80 const int32x2_t va11x0 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
81 const int32x2_t va10x1 = vld1_dup_s32((const void*)a1);
82 const int32x2_t va11x1 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
83
84 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
86 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
87 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
88 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
89 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
90 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
91 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92
93 const int8x8_t va0c0x0 = vreinterpret_s8_s32(va00x0);
94 const int8x8_t va0c0x1 = vreinterpret_s8_s32(va00x1);
95 const int8x8_t va1c0x0 = vreinterpret_s8_s32(va10x0);
96 const int8x8_t va1c0x1 = vreinterpret_s8_s32(va10x1);
97
98 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
99 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
100 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
101 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
102 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
103 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
104 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
105 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
106 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
107 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
108 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
109 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
110 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
111 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
112 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
113 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
114 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
115 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
116 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
117 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
118 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
119 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
120 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
121 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
122 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
123 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
124 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
125 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
126 const int8x8_t va0c1x0 = vreinterpret_s8_s32(va01x0);
127 const int8x8_t va0c1x1 = vreinterpret_s8_s32(va01x1);
128 const int8x8_t va1c1x0 = vreinterpret_s8_s32(va11x0);
129 const int8x8_t va1c1x1 = vreinterpret_s8_s32(va11x1);
130
131 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
132 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
133 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
134 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
135 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
136 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
137 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
138 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
139 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
140 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
141 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
142 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
143 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
144 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
145 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
146 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
147 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
148 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
149 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
150 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
151 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
152 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
153 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
154 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
156 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
157 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
158 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
159
160 k -= 16 * sizeof(int8_t);
161 }
162
163 if (k >= 8 * sizeof(int8_t)) {
164 const int32x2_t va00 = vld1_dup_s32((const void*)a0);
165 const int32x2_t va01 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
166 const int32x2_t va10 = vld1_dup_s32((const void*)a1);
167 const int32x2_t va11 = vld1_dup_s32((const void*)(a1 + 4)); a1 += 8;
168
169 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
170 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
171 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
172 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
173 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
174 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
175 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
176 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
177
178 const int8x8_t va0c0 = vreinterpret_s8_s32(va00);
179 const int8x8_t va1c0 = vreinterpret_s8_s32(va10);
180
181 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
182 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
183 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
184 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
185 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
186 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
187 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
188 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
189 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
190 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
191 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
192 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
193 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
194 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
195 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
196 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
197 const int8x8_t va0c1 = vreinterpret_s8_s32(va01);
198 const int8x8_t va1c1 = vreinterpret_s8_s32(va11);
199
200 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
201 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
202 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
203 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
204 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
205 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
206 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
207 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
208 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
209 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
210 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
211 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
212 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
213 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
214 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
215 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
216
217 k -= 8 * sizeof(int8_t);
218 }
219
220 if XNN_UNLIKELY(k != 0) {
221 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
222 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
223
224 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
225 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
226 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
227 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
228
229 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
230 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
231 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
232 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
233 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
234 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
235 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
236 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
237 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
238 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
239 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
240 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
241 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
242 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
243 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
244 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
245 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
246 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
247 }
248 p -= 2 * sizeof(void*);
249 } while (p != 0);
250
251 #if XNN_ARCH_ARM64
252 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
253 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
254 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
255 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
256 #else
257 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
258 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
259 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
260 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
261 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
262 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
263 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
264 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
265 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
266 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
267 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
268 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
269 #endif
270
271 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
272 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
273 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
274 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
275
276 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
277 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
278 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
279 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
280 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
281 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
282
283 const float32x4_t vmagic_bias = vld1q_dup_f32(¶ms->fp32_neon.magic_bias);
284 vacc0x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x0123, vmagic_bias));
285 vacc0x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x4567, vmagic_bias));
286 vacc1x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x0123, vmagic_bias));
287 vacc1x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc1x4567, vmagic_bias));
288
289 const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(¶ms->fp32_neon.magic_bias_less_output_zero_point);
290 vacc0x0123 = vqsubq_s32(vacc0x0123, vmagic_bias_less_output_zero_point);
291 vacc0x4567 = vqsubq_s32(vacc0x4567, vmagic_bias_less_output_zero_point);
292 vacc1x0123 = vqsubq_s32(vacc1x0123, vmagic_bias_less_output_zero_point);
293 vacc1x4567 = vqsubq_s32(vacc1x4567, vmagic_bias_less_output_zero_point);
294
295 #if XNN_ARCH_ARM64
296 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
297 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
298
299
300 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
301 #else
302 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
303 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
304
305
306 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
307 #endif
308
309 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neon.output_min);
310 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
311
312 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neon.output_max);
313 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
314
315 if (nc >= 8) {
316 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
317 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
318
319 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
320 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
321
322 a = (const int8_t**restrict) ((uintptr_t) a - ks);
323
324 nc -= 8;
325 } else {
326 if (nc & 4) {
327 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
328 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
329 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
330 }
331 if (nc & 2) {
332 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
333 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
334 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
335 }
336 if (nc & 1) {
337 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
338 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
339 }
340
341 nc = 0;
342 }
343 } while (nc != 0);
344 }
345