1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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/intrinsics-polyfill.h>
16 #include <xnnpack/math.h>
17
18
xnn_qc8_gemm_minmax_fp32_ukernel_2x8c4__neonv8_mlal_dup(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)])19 void xnn_qc8_gemm_minmax_fp32_ukernel_2x8c4__neonv8_mlal_dup(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const int8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
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(kc % sizeof(int8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 kc = round_up_po2(kc, 4 * sizeof(int8_t));
41 const int8_t* a0 = a;
42 int8_t* c0 = c;
43 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr != 2) {
46 a1 = a0;
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 k = kc;
61
62 while (k >= 16 * sizeof(int8_t)) {
63 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
64 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
65 const int8x8_t va1x0 = vld1_s8(a1); a1 += 8;
66 const int8x8_t va1x1 = vld1_s8(a1); a1 += 8;
67
68 const int8x8_t vb01c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb23c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vb45c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 const int8x8_t vb67c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
72 const int8x8_t vb01c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73 const int8x8_t vb23c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
74 const int8x8_t vb45c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75 const int8x8_t vb67c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
76
77 const int8x8_t va0c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 0));
78 const int8x8_t va0c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 0));
79 const int8x8_t va1c0x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 0));
80 const int8x8_t va1c0x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 0));
81
82 int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0c0x0);
83 int16x8_t vprod1x01c0 = vmull_s8(vb01c0x0, va1c0x0);
84 const int8x8_t vb01c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
85 vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0c0x1);
86 vprod1x01c0 = vmlal_s8(vprod1x01c0, vb01c0x1, va1c0x1);
87 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
88 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
89 int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0c0x0);
90 int16x8_t vprod1x23c0 = vmull_s8(vb23c0x0, va1c0x0);
91 const int8x8_t vb23c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
92 vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0c0x1);
93 vprod1x23c0 = vmlal_s8(vprod1x23c0, vb23c0x1, va1c0x1);
94 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
95 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
96 int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0c0x0);
97 int16x8_t vprod1x45c0 = vmull_s8(vb45c0x0, va1c0x0);
98 const int8x8_t vb45c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
99 vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0c0x1);
100 vprod1x45c0 = vmlal_s8(vprod1x45c0, vb45c0x1, va1c0x1);
101 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
102 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
103 int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0c0x0);
104 int16x8_t vprod1x67c0 = vmull_s8(vb67c0x0, va1c0x0);
105 const int8x8_t vb67c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0c0x1);
107 vprod1x67c0 = vmlal_s8(vprod1x67c0, vb67c0x1, va1c0x1);
108 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
109 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
110 const int8x8_t va0c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x0), 1));
111 const int8x8_t va0c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0x1), 1));
112 const int8x8_t va1c1x0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x0), 1));
113 const int8x8_t va1c1x1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1x1), 1));
114
115 int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0c1x0);
116 int16x8_t vprod1x01c1 = vmull_s8(vb01c1x0, va1c1x0);
117 const int8x8_t vb01c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
118 vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0c1x1);
119 vprod1x01c1 = vmlal_s8(vprod1x01c1, vb01c1x1, va1c1x1);
120 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
121 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
122 int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0c1x0);
123 int16x8_t vprod1x23c1 = vmull_s8(vb23c1x0, va1c1x0);
124 const int8x8_t vb23c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
125 vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0c1x1);
126 vprod1x23c1 = vmlal_s8(vprod1x23c1, vb23c1x1, va1c1x1);
127 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
128 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
129 int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0c1x0);
130 int16x8_t vprod1x45c1 = vmull_s8(vb45c1x0, va1c1x0);
131 const int8x8_t vb45c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
132 vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0c1x1);
133 vprod1x45c1 = vmlal_s8(vprod1x45c1, vb45c1x1, va1c1x1);
134 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
135 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
136 int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0c1x0);
137 int16x8_t vprod1x67c1 = vmull_s8(vb67c1x0, va1c1x0);
138 const int8x8_t vb67c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
139 vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0c1x1);
140 vprod1x67c1 = vmlal_s8(vprod1x67c1, vb67c1x1, va1c1x1);
141 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
142 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
143
144 k -= 16 * sizeof(int8_t);
145 }
146
147 if (k >= 8 * sizeof(int8_t)) {
148 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
149 const int8x8_t va1 = vld1_s8(a1); a1 += 8;
150
151 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
152 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
153 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
154 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
155 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
156 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
157 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
158 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
159
160 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
161 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
162
163 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
164 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
165 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
166 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
167 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
168 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
169 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
170 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
171 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
172 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
173 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
174 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
175 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
176 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
177 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
178 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
179 const int8x8_t va0c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 1));
180 const int8x8_t va1c1 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 1));
181
182 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
183 const int16x8_t vprod1x01c1 = vmull_s8(vb01c1, va1c1);
184 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
185 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c1);
186 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
187 const int16x8_t vprod1x23c1 = vmull_s8(vb23c1, va1c1);
188 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
189 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c1);
190 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
191 const int16x8_t vprod1x45c1 = vmull_s8(vb45c1, va1c1);
192 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
193 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c1);
194 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
195 const int16x8_t vprod1x67c1 = vmull_s8(vb67c1, va1c1);
196 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
197 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c1);
198
199 k -= 8 * sizeof(int8_t);
200 }
201
202 if XNN_UNLIKELY(k != 0) {
203 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
204 const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k);
205
206 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
207 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
208 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
209 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
210
211 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
212 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
213 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
214 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
215 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
216 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
217 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
218 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
219 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
220 const int8x8_t va1c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va1), 0));
221 const int16x8_t vprod1x01c0 = vmull_s8(vb01c0, va1c0);
222 vacc1x01 = vpadalq_s16(vacc1x01, vprod1x01c0);
223 const int16x8_t vprod1x23c0 = vmull_s8(vb23c0, va1c0);
224 vacc1x23 = vpadalq_s16(vacc1x23, vprod1x23c0);
225 const int16x8_t vprod1x45c0 = vmull_s8(vb45c0, va1c0);
226 vacc1x45 = vpadalq_s16(vacc1x45, vprod1x45c0);
227 const int16x8_t vprod1x67c0 = vmull_s8(vb67c0, va1c0);
228 vacc1x67 = vpadalq_s16(vacc1x67, vprod1x67c0);
229 }
230
231 #if XNN_ARCH_ARM64
232 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
233 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
234 int32x4_t vacc1x0123 = vpaddq_s32(vacc1x01, vacc1x23);
235 int32x4_t vacc1x4567 = vpaddq_s32(vacc1x45, vacc1x67);
236 #else
237 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
238 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
239 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
240 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
241 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
242 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
243 const int32x2_t vsum1x01 = vpadd_s32(vget_low_s32(vacc1x01), vget_high_s32(vacc1x01));
244 const int32x2_t vsum1x23 = vpadd_s32(vget_low_s32(vacc1x23), vget_high_s32(vacc1x23));
245 int32x4_t vacc1x0123 = vcombine_s32(vsum1x01, vsum1x23);
246 const int32x2_t vsum1x45 = vpadd_s32(vget_low_s32(vacc1x45), vget_high_s32(vacc1x45));
247 const int32x2_t vsum1x67 = vpadd_s32(vget_low_s32(vacc1x67), vget_high_s32(vacc1x67));
248 int32x4_t vacc1x4567 = vcombine_s32(vsum1x45, vsum1x67);
249 #endif
250
251 float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
252 float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
253 float32x4_t vfpacc1x0123 = vcvtq_f32_s32(vacc1x0123);
254 float32x4_t vfpacc1x4567 = vcvtq_f32_s32(vacc1x4567);
255
256 const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
257 vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123);
258 vfpacc1x0123 = vmulq_f32(vfpacc1x0123, vscale0123);
259 const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4);
260 vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567);
261 vfpacc1x4567 = vmulq_f32(vfpacc1x4567, vscale4567);
262
263 vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123);
264 vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567);
265 vacc1x0123 = vcvtnq_s32_f32(vfpacc1x0123);
266 vacc1x4567 = vcvtnq_s32_f32(vfpacc1x4567);
267
268 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->fp32_neonv8.output_zero_point);
269 #if XNN_ARCH_ARM64
270 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
271 int16x8_t vacc1x01234567 = vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567);
272
273 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
274 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
275
276 int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567);
277 #else
278 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
279 int16x8_t vacc1x01234567 = vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567));
280
281 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
282 vacc1x01234567 = vqaddq_s16(vacc1x01234567, voutput_zero_point);
283
284 int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567));
285 #endif
286
287 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->fp32_neonv8.output_min);
288 vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min);
289
290 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->fp32_neonv8.output_max);
291 vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max);
292
293 if (nc >= 8) {
294 vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567));
295 vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567));
296
297 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
298 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
299
300 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
301 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
302
303 nc -= 8;
304 } else {
305 // Final case where not all of the 8 columns fit in the destination.
306 if (nc & 4) {
307 vst1q_lane_u32((void*) c0, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4;
308 vst1q_lane_u32((void*) c1, vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4;
309 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
310 }
311 if (nc & 2) {
312 vst1q_lane_u16((void*) c0, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2;
313 vst1q_lane_u16((void*) c1, vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2;
314 vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
315 }
316 if (nc & 1) {
317 vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0);
318 vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8);
319 }
320
321 nc = 0;
322 }
323 } while (nc != 0);
324 }
325