xref: /aosp_15_r20/external/XNNPACK/src/qu8-gemm/gen/6x8c4-minmax-rndnu-neondot.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qu8-gemm/c4-neondot.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2020 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_qu8_gemm_minmax_rndnu_ukernel_6x8c4__neondot(size_t mr,size_t nc,size_t kc,const uint8_t * restrict a,size_t a_stride,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qu8_gemm_minmax_rndnu_ukernel_6x8c4__neondot(
19     size_t mr,
20     size_t nc,
21     size_t kc,
22     const uint8_t* restrict a,
23     size_t a_stride,
24     const void* restrict w,
25     uint8_t* restrict c,
26     size_t cm_stride,
27     size_t cn_stride,
28     const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30   assert(mr != 0);
31   assert(mr <= 6);
32   assert(nc != 0);
33   assert(kc != 0);
34   assert(kc % sizeof(uint8_t) == 0);
35   assert(a != NULL);
36   assert(w != NULL);
37   assert(c != NULL);
38 
39   kc = round_up_po2(kc, 4 * sizeof(uint8_t));
40   const uint8_t* a0 = a;
41   uint8_t* c0 = c;
42   const uint8_t* a1 = (const uint8_t*) ((uintptr_t) a0 + a_stride);
43   uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
44   if XNN_UNPREDICTABLE(mr < 2) {
45     a1 = a0;
46     c1 = c0;
47   }
48   const uint8_t* a2 = (const uint8_t*) ((uintptr_t) a1 + a_stride);
49   uint8_t* c2 = (uint8_t*) ((uintptr_t) c1 + cm_stride);
50   if XNN_UNPREDICTABLE(mr <= 2) {
51     a2 = a1;
52     c2 = c1;
53   }
54   const uint8_t* a3 = (const uint8_t*) ((uintptr_t) a2 + a_stride);
55   uint8_t* c3 = (uint8_t*) ((uintptr_t) c2 + cm_stride);
56   if XNN_UNPREDICTABLE(mr < 4) {
57     a3 = a2;
58     c3 = c2;
59   }
60   const uint8_t* a4 = (const uint8_t*) ((uintptr_t) a3 + a_stride);
61   uint8_t* c4 = (uint8_t*) ((uintptr_t) c3 + cm_stride);
62   if XNN_UNPREDICTABLE(mr <= 4) {
63     a4 = a3;
64     c4 = c3;
65   }
66   const uint8_t* a5 = (const uint8_t*) ((uintptr_t) a4 + a_stride);
67   uint8_t* c5 = (uint8_t*) ((uintptr_t) c4 + cm_stride);
68   if XNN_UNPREDICTABLE(mr != 6) {
69     a5 = a4;
70     c5 = c4;
71   }
72 
73   const uint8x8_t va_zero_point = vld1_dup_u8(&params->rndnu_neon.kernel_zero_point[0]);
74 
75   // Loop over groups of 8 columns.
76   do {
77     // Initialize accumulators with bias. 8 bias values are loaded from the
78     // weight matrix, at the start of the group of 8 columns.
79     uint32x4_t vpacc0x0123 = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
80     uint32x4_t vpacc0x4567 = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
81     uint32x4_t vpacc1x0123 = vpacc0x0123;
82     uint32x4_t vpacc1x4567 = vpacc0x4567;
83     uint32x4_t vpacc2x0123 = vpacc0x0123;
84     uint32x4_t vpacc2x4567 = vpacc0x4567;
85     uint32x4_t vpacc3x0123 = vpacc0x0123;
86     uint32x4_t vpacc3x4567 = vpacc0x4567;
87     uint32x4_t vpacc4x0123 = vpacc0x0123;
88     uint32x4_t vpacc4x4567 = vpacc0x4567;
89     uint32x4_t vpacc5x0123 = vpacc0x0123;
90     uint32x4_t vpacc5x4567 = vpacc0x4567;
91     uint32x2_t vnacc0 = vmov_n_u32(0);
92     uint32x2_t vnacc1 = vmov_n_u32(0);
93     uint32x2_t vnacc2 = vmov_n_u32(0);
94     uint32x2_t vnacc3 = vmov_n_u32(0);
95     uint32x2_t vnacc4 = vmov_n_u32(0);
96     uint32x2_t vnacc5 = vmov_n_u32(0);
97 
98     // Inner accumulation loop along the 8 columns.
99     size_t k = kc;
100     // 2x partial unrolled loop to load 8 bytes at a time.
101     while (k >= 8 * sizeof(uint8_t)) {
102       // Load a 6x8 block of activations.
103       const uint8x8_t va0x01234567 = vld1_u8(a0); a0 += 8;
104       const uint8x8_t va1x01234567 = vld1_u8(a1); a1 += 8;
105       const uint8x8_t va2x01234567 = vld1_u8(a2); a2 += 8;
106       const uint8x8_t va3x01234567 = vld1_u8(a3); a3 += 8;
107       const uint8x8_t va4x01234567 = vld1_u8(a4); a4 += 8;
108       const uint8x8_t va5x01234567 = vld1_u8(a5); a5 += 8;
109 
110       // Load a 8x8 block of weights.
111       const uint8x16_t vb0123x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
112       const uint8x16_t vb0123x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
113       const uint8x16_t vb4567x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
114       const uint8x16_t vb4567x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
115 
116       // Multiply-accumulate: 6x8 * 8x8 --> 6x8.
117       vnacc0 = vdot_u32(vnacc0, va_zero_point, va0x01234567);
118       vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb0123x0123, va0x01234567, 0);
119       vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb0123x4567, va0x01234567, 0);
120       vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb4567x0123, va0x01234567, 1);
121       vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb4567x4567, va0x01234567, 1);
122       vnacc1 = vdot_u32(vnacc1, va_zero_point, va1x01234567);
123       vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb0123x0123, va1x01234567, 0);
124       vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb0123x4567, va1x01234567, 0);
125       vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb4567x0123, va1x01234567, 1);
126       vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb4567x4567, va1x01234567, 1);
127       vnacc2 = vdot_u32(vnacc2, va_zero_point, va2x01234567);
128       vpacc2x0123 = vdotq_lane_u32(vpacc2x0123, vb0123x0123, va2x01234567, 0);
129       vpacc2x4567 = vdotq_lane_u32(vpacc2x4567, vb0123x4567, va2x01234567, 0);
130       vpacc2x0123 = vdotq_lane_u32(vpacc2x0123, vb4567x0123, va2x01234567, 1);
131       vpacc2x4567 = vdotq_lane_u32(vpacc2x4567, vb4567x4567, va2x01234567, 1);
132       vnacc3 = vdot_u32(vnacc3, va_zero_point, va3x01234567);
133       vpacc3x0123 = vdotq_lane_u32(vpacc3x0123, vb0123x0123, va3x01234567, 0);
134       vpacc3x4567 = vdotq_lane_u32(vpacc3x4567, vb0123x4567, va3x01234567, 0);
135       vpacc3x0123 = vdotq_lane_u32(vpacc3x0123, vb4567x0123, va3x01234567, 1);
136       vpacc3x4567 = vdotq_lane_u32(vpacc3x4567, vb4567x4567, va3x01234567, 1);
137       vnacc4 = vdot_u32(vnacc4, va_zero_point, va4x01234567);
138       vpacc4x0123 = vdotq_lane_u32(vpacc4x0123, vb0123x0123, va4x01234567, 0);
139       vpacc4x4567 = vdotq_lane_u32(vpacc4x4567, vb0123x4567, va4x01234567, 0);
140       vpacc4x0123 = vdotq_lane_u32(vpacc4x0123, vb4567x0123, va4x01234567, 1);
141       vpacc4x4567 = vdotq_lane_u32(vpacc4x4567, vb4567x4567, va4x01234567, 1);
142       vnacc5 = vdot_u32(vnacc5, va_zero_point, va5x01234567);
143       vpacc5x0123 = vdotq_lane_u32(vpacc5x0123, vb0123x0123, va5x01234567, 0);
144       vpacc5x4567 = vdotq_lane_u32(vpacc5x4567, vb0123x4567, va5x01234567, 0);
145       vpacc5x0123 = vdotq_lane_u32(vpacc5x0123, vb4567x0123, va5x01234567, 1);
146       vpacc5x4567 = vdotq_lane_u32(vpacc5x4567, vb4567x4567, va5x01234567, 1);
147 
148       k -= 8 * sizeof(uint8_t);
149     }
150     // Handle up to 4 final positions of `k`
151     if XNN_UNLIKELY(k != 0) {
152       // Load a 6x4 block of activations.
153       const uint8x8_t va0x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a0, vmov_n_u32(0), 0)); a0 += 4;
154       const uint8x8_t va1x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a1, vmov_n_u32(0), 0)); a1 += 4;
155       const uint8x8_t va2x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a2, vmov_n_u32(0), 0)); a2 += 4;
156       const uint8x8_t va3x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a3, vmov_n_u32(0), 0)); a3 += 4;
157       const uint8x8_t va4x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a4, vmov_n_u32(0), 0)); a4 += 4;
158       const uint8x8_t va5x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a5, vmov_n_u32(0), 0)); a5 += 4;
159 
160       // Load a 4x8 block of weights.
161       const uint8x16_t vb0123x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
162       const uint8x16_t vb0123x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
163 
164       // Multiply-accumulate: 6x4 * 4x8 --> 6x8.
165       vnacc0 = vdot_u32(vnacc0, va_zero_point, va0x01234567);
166       vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb0123x0123, va0x01234567, 0);
167       vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb0123x4567, va0x01234567, 0);
168       vnacc1 = vdot_u32(vnacc1, va_zero_point, va1x01234567);
169       vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb0123x0123, va1x01234567, 0);
170       vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb0123x4567, va1x01234567, 0);
171       vnacc2 = vdot_u32(vnacc2, va_zero_point, va2x01234567);
172       vpacc2x0123 = vdotq_lane_u32(vpacc2x0123, vb0123x0123, va2x01234567, 0);
173       vpacc2x4567 = vdotq_lane_u32(vpacc2x4567, vb0123x4567, va2x01234567, 0);
174       vnacc3 = vdot_u32(vnacc3, va_zero_point, va3x01234567);
175       vpacc3x0123 = vdotq_lane_u32(vpacc3x0123, vb0123x0123, va3x01234567, 0);
176       vpacc3x4567 = vdotq_lane_u32(vpacc3x4567, vb0123x4567, va3x01234567, 0);
177       vnacc4 = vdot_u32(vnacc4, va_zero_point, va4x01234567);
178       vpacc4x0123 = vdotq_lane_u32(vpacc4x0123, vb0123x0123, va4x01234567, 0);
179       vpacc4x4567 = vdotq_lane_u32(vpacc4x4567, vb0123x4567, va4x01234567, 0);
180       vnacc5 = vdot_u32(vnacc5, va_zero_point, va5x01234567);
181       vpacc5x0123 = vdotq_lane_u32(vpacc5x0123, vb0123x0123, va5x01234567, 0);
182       vpacc5x4567 = vdotq_lane_u32(vpacc5x4567, vb0123x4567, va5x01234567, 0);
183     }
184 
185     // Subtract zero point from accumulators.
186     vnacc0 = vpadd_u32(vnacc0, vnacc0);
187     const uint32x4_t vnacc0x0123 = vcombine_u32(vnacc0, vnacc0);
188     int32x4_t vacc0x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc0x0123, vnacc0x0123));
189     int32x4_t vacc0x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc0x4567, vnacc0x0123));
190     vnacc1 = vpadd_u32(vnacc1, vnacc1);
191     const uint32x4_t vnacc1x0123 = vcombine_u32(vnacc1, vnacc1);
192     int32x4_t vacc1x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc1x0123, vnacc1x0123));
193     int32x4_t vacc1x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc1x4567, vnacc1x0123));
194     vnacc2 = vpadd_u32(vnacc2, vnacc2);
195     const uint32x4_t vnacc2x0123 = vcombine_u32(vnacc2, vnacc2);
196     int32x4_t vacc2x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc2x0123, vnacc2x0123));
197     int32x4_t vacc2x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc2x4567, vnacc2x0123));
198     vnacc3 = vpadd_u32(vnacc3, vnacc3);
199     const uint32x4_t vnacc3x0123 = vcombine_u32(vnacc3, vnacc3);
200     int32x4_t vacc3x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc3x0123, vnacc3x0123));
201     int32x4_t vacc3x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc3x4567, vnacc3x0123));
202     vnacc4 = vpadd_u32(vnacc4, vnacc4);
203     const uint32x4_t vnacc4x0123 = vcombine_u32(vnacc4, vnacc4);
204     int32x4_t vacc4x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc4x0123, vnacc4x0123));
205     int32x4_t vacc4x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc4x4567, vnacc4x0123));
206     vnacc5 = vpadd_u32(vnacc5, vnacc5);
207     const uint32x4_t vnacc5x0123 = vcombine_u32(vnacc5, vnacc5);
208     int32x4_t vacc5x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc5x0123, vnacc5x0123));
209     int32x4_t vacc5x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc5x4567, vnacc5x0123));
210 
211     const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
212     const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
213     const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
214 
215     vacc0x0123 = vshlq_s32(vacc0x0123, vright_pre_shift);
216     vacc0x4567 = vshlq_s32(vacc0x4567, vright_pre_shift);
217     vacc1x0123 = vshlq_s32(vacc1x0123, vright_pre_shift);
218     vacc1x4567 = vshlq_s32(vacc1x4567, vright_pre_shift);
219     vacc2x0123 = vshlq_s32(vacc2x0123, vright_pre_shift);
220     vacc2x4567 = vshlq_s32(vacc2x4567, vright_pre_shift);
221     vacc3x0123 = vshlq_s32(vacc3x0123, vright_pre_shift);
222     vacc3x4567 = vshlq_s32(vacc3x4567, vright_pre_shift);
223     vacc4x0123 = vshlq_s32(vacc4x0123, vright_pre_shift);
224     vacc4x4567 = vshlq_s32(vacc4x4567, vright_pre_shift);
225     vacc5x0123 = vshlq_s32(vacc5x0123, vright_pre_shift);
226     vacc5x4567 = vshlq_s32(vacc5x4567, vright_pre_shift);
227 
228     vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
229     vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
230     vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
231     vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
232     vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
233     vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
234     vacc3x0123 = vqdmulhq_s32(vacc3x0123, vmultiplier);
235     vacc3x4567 = vqdmulhq_s32(vacc3x4567, vmultiplier);
236     vacc4x0123 = vqdmulhq_s32(vacc4x0123, vmultiplier);
237     vacc4x4567 = vqdmulhq_s32(vacc4x4567, vmultiplier);
238     vacc5x0123 = vqdmulhq_s32(vacc5x0123, vmultiplier);
239     vacc5x4567 = vqdmulhq_s32(vacc5x4567, vmultiplier);
240 
241     vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
242     vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
243     vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
244     vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
245     vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
246     vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
247     vacc3x0123 = vrshlq_s32(vacc3x0123, vright_post_shift);
248     vacc3x4567 = vrshlq_s32(vacc3x4567, vright_post_shift);
249     vacc4x0123 = vrshlq_s32(vacc4x0123, vright_post_shift);
250     vacc4x4567 = vrshlq_s32(vacc4x4567, vright_post_shift);
251     vacc5x0123 = vrshlq_s32(vacc5x0123, vright_post_shift);
252     vacc5x4567 = vrshlq_s32(vacc5x4567, vright_post_shift);
253 
254     const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
255 #if XNN_ARCH_ARM64
256     const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
257     const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
258     const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
259     const int16x8_t vacc3x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc3x0123), vacc3x4567), voutput_zero_point);
260     const int16x8_t vacc4x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc4x0123), vacc4x4567), voutput_zero_point);
261     const int16x8_t vacc5x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc5x0123), vacc5x4567), voutput_zero_point);
262 
263     uint8x16_t vout0x01234567_1x01234567 = vqmovun_high_s16(vqmovun_s16(vacc0x01234567), vacc1x01234567);
264     uint8x16_t vout2x01234567_3x01234567 = vqmovun_high_s16(vqmovun_s16(vacc2x01234567), vacc3x01234567);
265     uint8x16_t vout4x01234567_5x01234567 = vqmovun_high_s16(vqmovun_s16(vacc4x01234567), vacc5x01234567);
266 #else
267     const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
268     const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
269     const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
270     const int16x8_t vacc3x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc3x0123), vqmovn_s32(vacc3x4567)), voutput_zero_point);
271     const int16x8_t vacc4x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc4x0123), vqmovn_s32(vacc4x4567)), voutput_zero_point);
272     const int16x8_t vacc5x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc5x0123), vqmovn_s32(vacc5x4567)), voutput_zero_point);
273 
274     uint8x16_t vout0x01234567_1x01234567 = vcombine_u8(vqmovun_s16(vacc0x01234567), vqmovun_s16(vacc1x01234567));
275     uint8x16_t vout2x01234567_3x01234567 = vcombine_u8(vqmovun_s16(vacc2x01234567), vqmovun_s16(vacc3x01234567));
276     uint8x16_t vout4x01234567_5x01234567 = vcombine_u8(vqmovun_s16(vacc4x01234567), vqmovun_s16(vacc5x01234567));
277 #endif
278     const uint8x16_t voutput_min = vld1q_dup_u8(&params->rndnu_neon.output_min);
279     const uint8x16_t voutput_max = vld1q_dup_u8(&params->rndnu_neon.output_max);
280 
281     vout0x01234567_1x01234567 = vmaxq_u8(vout0x01234567_1x01234567, voutput_min);
282     vout2x01234567_3x01234567 = vmaxq_u8(vout2x01234567_3x01234567, voutput_min);
283     vout4x01234567_5x01234567 = vmaxq_u8(vout4x01234567_5x01234567, voutput_min);
284 
285     vout0x01234567_1x01234567 = vminq_u8(vout0x01234567_1x01234567, voutput_max);
286     vout2x01234567_3x01234567 = vminq_u8(vout2x01234567_3x01234567, voutput_max);
287     vout4x01234567_5x01234567 = vminq_u8(vout4x01234567_5x01234567, voutput_max);
288 
289     if (nc >= 8) {
290       vst1_u8(c0 + 0, vget_low_u8(vout0x01234567_1x01234567));
291       vst1_u8(c1 + 0, vget_high_u8(vout0x01234567_1x01234567));
292       vst1_u8(c2 + 0, vget_low_u8(vout2x01234567_3x01234567));
293       vst1_u8(c3 + 0, vget_high_u8(vout2x01234567_3x01234567));
294       vst1_u8(c4 + 0, vget_low_u8(vout4x01234567_5x01234567));
295       vst1_u8(c5 + 0, vget_high_u8(vout4x01234567_5x01234567));
296 
297       c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
298       c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
299       c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
300       c3 = (uint8_t*) ((uintptr_t) c3 + cn_stride);
301       c4 = (uint8_t*) ((uintptr_t) c4 + cn_stride);
302       c5 = (uint8_t*) ((uintptr_t) c5 + cn_stride);
303 
304       a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
305       a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
306       a2 = (const uint8_t*) ((uintptr_t) a2 - kc);
307       a3 = (const uint8_t*) ((uintptr_t) a3 - kc);
308       a4 = (const uint8_t*) ((uintptr_t) a4 - kc);
309       a5 = (const uint8_t*) ((uintptr_t) a5 - kc);
310 
311       nc -= 8;
312     } else {
313       if (nc & 4) {
314         vst1q_lane_u32((void*) c0, vreinterpretq_u32_u8(vout0x01234567_1x01234567), 0); c0 += 4;
315         vst1q_lane_u32((void*) c1, vreinterpretq_u32_u8(vout0x01234567_1x01234567), 2); c1 += 4;
316         vst1q_lane_u32((void*) c2, vreinterpretq_u32_u8(vout2x01234567_3x01234567), 0); c2 += 4;
317         vst1q_lane_u32((void*) c3, vreinterpretq_u32_u8(vout2x01234567_3x01234567), 2); c3 += 4;
318         vst1q_lane_u32((void*) c4, vreinterpretq_u32_u8(vout4x01234567_5x01234567), 0); c4 += 4;
319         vst1q_lane_u32((void*) c5, vreinterpretq_u32_u8(vout4x01234567_5x01234567), 2); c5 += 4;
320         vout0x01234567_1x01234567 = vextq_u8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
321         vout2x01234567_3x01234567 = vextq_u8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 4);
322         vout4x01234567_5x01234567 = vextq_u8(vout4x01234567_5x01234567, vout4x01234567_5x01234567, 4);
323       }
324       if (nc & 2) {
325         vst1q_lane_u16((void*) c0, vreinterpretq_u16_u8(vout0x01234567_1x01234567), 0); c0 += 2;
326         vst1q_lane_u16((void*) c1, vreinterpretq_u16_u8(vout0x01234567_1x01234567), 4); c1 += 2;
327         vst1q_lane_u16((void*) c2, vreinterpretq_u16_u8(vout2x01234567_3x01234567), 0); c2 += 2;
328         vst1q_lane_u16((void*) c3, vreinterpretq_u16_u8(vout2x01234567_3x01234567), 4); c3 += 2;
329         vst1q_lane_u16((void*) c4, vreinterpretq_u16_u8(vout4x01234567_5x01234567), 0); c4 += 2;
330         vst1q_lane_u16((void*) c5, vreinterpretq_u16_u8(vout4x01234567_5x01234567), 4); c5 += 2;
331         vout0x01234567_1x01234567 = vextq_u8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
332         vout2x01234567_3x01234567 = vextq_u8(vout2x01234567_3x01234567, vout2x01234567_3x01234567, 2);
333         vout4x01234567_5x01234567 = vextq_u8(vout4x01234567_5x01234567, vout4x01234567_5x01234567, 2);
334       }
335       if (nc & 1) {
336         vst1q_lane_u8(c0, vout0x01234567_1x01234567, 0);
337         vst1q_lane_u8(c1, vout0x01234567_1x01234567, 8);
338         vst1q_lane_u8(c2, vout2x01234567_3x01234567, 0);
339         vst1q_lane_u8(c3, vout2x01234567_3x01234567, 8);
340         vst1q_lane_u8(c4, vout4x01234567_5x01234567, 0);
341         vst1q_lane_u8(c5, vout4x01234567_5x01234567, 8);
342       }
343 
344       nc = 0;
345     }
346   } while (nc != 0);
347 }
348