xref: /aosp_15_r20/external/XNNPACK/src/qu8-igemm/gen/3x16c4-minmax-rndnu-neondot.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qu8-igemm/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/igemm.h>
15 #include <xnnpack/math.h>
16 
17 
xnn_qu8_igemm_minmax_rndnu_ukernel_3x16c4__neondot(size_t mr,size_t nc,size_t kc,size_t ks,const uint8_t ** restrict a,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const uint8_t * zero,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qu8_igemm_minmax_rndnu_ukernel_3x16c4__neondot(
19     size_t mr,
20     size_t nc,
21     size_t kc,
22     size_t ks,
23     const uint8_t** restrict a,
24     const void* restrict w,
25     uint8_t* restrict c,
26     size_t cm_stride,
27     size_t cn_stride,
28     size_t a_offset,
29     const uint8_t* zero,
30     const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32   assert(mr != 0);
33   assert(mr <= 3);
34   assert(nc != 0);
35   assert(kc != 0);
36   assert(ks != 0);
37   assert(ks % (3 * sizeof(void*)) == 0);
38   assert(a_offset % sizeof(uint8_t) == 0);
39   assert(a != NULL);
40   assert(w != NULL);
41   assert(c != NULL);
42 
43   kc = round_up_po2(kc, 4 * sizeof(uint8_t));
44   uint8_t* c0 = c;
45   uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
46   if XNN_UNPREDICTABLE(mr < 2) {
47     c1 = c0;
48   }
49   uint8_t* c2 = (uint8_t*) ((uintptr_t) c1 + cm_stride);
50   if XNN_UNPREDICTABLE(mr <= 2) {
51     c2 = c1;
52   }
53 
54   const uint8x8_t va_zero_point = vld1_dup_u8(&params->rndnu_neon.kernel_zero_point[0]);
55 
56   do {
57     // Initialize accumulators with bias. 16 bias values are loaded from the
58     // weight matrix, at the start of the group of 16 columns.
59     uint32x4_t vpacc0x0123 = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
60     uint32x4_t vpacc0x4567 = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
61     uint32x4_t vpacc0x89AB = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
62     uint32x4_t vpacc0xCDEF = vld1q_u32(w); w = (const void*) ((const uint32_t*) w + 4);
63     uint32x4_t vpacc1x0123 = vpacc0x0123;
64     uint32x4_t vpacc1x4567 = vpacc0x4567;
65     uint32x4_t vpacc1x89AB = vpacc0x89AB;
66     uint32x4_t vpacc1xCDEF = vpacc0xCDEF;
67     uint32x4_t vpacc2x0123 = vpacc0x0123;
68     uint32x4_t vpacc2x4567 = vpacc0x4567;
69     uint32x4_t vpacc2x89AB = vpacc0x89AB;
70     uint32x4_t vpacc2xCDEF = vpacc0xCDEF;
71     uint32x2_t vnacc0 = vmov_n_u32(0);
72     uint32x2_t vnacc1 = vmov_n_u32(0);
73     uint32x2_t vnacc2 = vmov_n_u32(0);
74 
75     size_t p = ks;
76     do {
77       const uint8_t* restrict a0 = a[0];
78       if XNN_UNPREDICTABLE(a0 != zero) {
79         a0 = (const uint8_t*) ((uintptr_t) a0 + a_offset);
80       }
81       const uint8_t* restrict a1 = a[1];
82       if XNN_UNPREDICTABLE(a1 != zero) {
83         a1 = (const uint8_t*) ((uintptr_t) a1 + a_offset);
84       }
85       const uint8_t* restrict a2 = a[2];
86       if XNN_UNPREDICTABLE(a2 != zero) {
87         a2 = (const uint8_t*) ((uintptr_t) a2 + a_offset);
88       }
89       a += 3;
90 
91       // Inner accumulation loop along the 16 columns.
92       size_t k = kc;
93       // 2x partial unrolled loop to load 8 bytes at a time.
94       while (k >= 8 * sizeof(uint8_t)) {
95         // Load a 3x8 block of activations.
96         const uint8x8_t va0x01234567 = vld1_u8(a0); a0 += 8;
97         const uint8x8_t va1x01234567 = vld1_u8(a1); a1 += 8;
98         const uint8x8_t va2x01234567 = vld1_u8(a2); a2 += 8;
99 
100         // Load a 8x16 block of weights.
101         const uint8x16_t vb0123x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
102         const uint8x16_t vb0123x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
103         const uint8x16_t vb0123x89AB = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
104         const uint8x16_t vb0123xCDEF = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
105         const uint8x16_t vb4567x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
106         const uint8x16_t vb4567x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
107         const uint8x16_t vb4567x89AB = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
108         const uint8x16_t vb4567xCDEF = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
109 
110         // Multiply-accumulate: 3x8 * 8x16 --> 3x16.
111         vnacc0 = vdot_u32(vnacc0, va_zero_point, va0x01234567);
112         vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb0123x0123, va0x01234567, 0);
113         vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb0123x4567, va0x01234567, 0);
114         vpacc0x89AB = vdotq_lane_u32(vpacc0x89AB, vb0123x89AB, va0x01234567, 0);
115         vpacc0xCDEF = vdotq_lane_u32(vpacc0xCDEF, vb0123xCDEF, va0x01234567, 0);
116         vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb4567x0123, va0x01234567, 1);
117         vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb4567x4567, va0x01234567, 1);
118         vpacc0x89AB = vdotq_lane_u32(vpacc0x89AB, vb4567x89AB, va0x01234567, 1);
119         vpacc0xCDEF = vdotq_lane_u32(vpacc0xCDEF, vb4567xCDEF, va0x01234567, 1);
120         vnacc1 = vdot_u32(vnacc1, va_zero_point, va1x01234567);
121         vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb0123x0123, va1x01234567, 0);
122         vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb0123x4567, va1x01234567, 0);
123         vpacc1x89AB = vdotq_lane_u32(vpacc1x89AB, vb0123x89AB, va1x01234567, 0);
124         vpacc1xCDEF = vdotq_lane_u32(vpacc1xCDEF, vb0123xCDEF, va1x01234567, 0);
125         vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb4567x0123, va1x01234567, 1);
126         vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb4567x4567, va1x01234567, 1);
127         vpacc1x89AB = vdotq_lane_u32(vpacc1x89AB, vb4567x89AB, va1x01234567, 1);
128         vpacc1xCDEF = vdotq_lane_u32(vpacc1xCDEF, vb4567xCDEF, va1x01234567, 1);
129         vnacc2 = vdot_u32(vnacc2, va_zero_point, va2x01234567);
130         vpacc2x0123 = vdotq_lane_u32(vpacc2x0123, vb0123x0123, va2x01234567, 0);
131         vpacc2x4567 = vdotq_lane_u32(vpacc2x4567, vb0123x4567, va2x01234567, 0);
132         vpacc2x89AB = vdotq_lane_u32(vpacc2x89AB, vb0123x89AB, va2x01234567, 0);
133         vpacc2xCDEF = vdotq_lane_u32(vpacc2xCDEF, vb0123xCDEF, va2x01234567, 0);
134         vpacc2x0123 = vdotq_lane_u32(vpacc2x0123, vb4567x0123, va2x01234567, 1);
135         vpacc2x4567 = vdotq_lane_u32(vpacc2x4567, vb4567x4567, va2x01234567, 1);
136         vpacc2x89AB = vdotq_lane_u32(vpacc2x89AB, vb4567x89AB, va2x01234567, 1);
137         vpacc2xCDEF = vdotq_lane_u32(vpacc2xCDEF, vb4567xCDEF, va2x01234567, 1);
138 
139         k -= 8 * sizeof(uint8_t);
140       }
141       // Handle up to 4 final positions of `k`
142       if XNN_UNLIKELY(k != 0) {
143         // Load a 3x4 block of activations.
144         const uint8x8_t va0x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a0, vmov_n_u32(0), 0)); a0 += 4;
145         const uint8x8_t va1x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a1, vmov_n_u32(0), 0)); a1 += 4;
146         const uint8x8_t va2x01234567 = vreinterpret_u8_u32(vld1_lane_u32((const void*) a2, vmov_n_u32(0), 0)); a2 += 4;
147 
148         // Load a 4x16 block of weights.
149         const uint8x16_t vb0123x0123 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
150         const uint8x16_t vb0123x4567 = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
151         const uint8x16_t vb0123x89AB = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
152         const uint8x16_t vb0123xCDEF = vld1q_u8(w); w = (const void*) ((const uint8_t*) w + 16);
153 
154         // Multiply-accumulate: 3x4 * 4x16 --> 3x16.
155         vnacc0 = vdot_u32(vnacc0, va_zero_point, va0x01234567);
156         vpacc0x0123 = vdotq_lane_u32(vpacc0x0123, vb0123x0123, va0x01234567, 0);
157         vpacc0x4567 = vdotq_lane_u32(vpacc0x4567, vb0123x4567, va0x01234567, 0);
158         vpacc0x89AB = vdotq_lane_u32(vpacc0x89AB, vb0123x89AB, va0x01234567, 0);
159         vpacc0xCDEF = vdotq_lane_u32(vpacc0xCDEF, vb0123xCDEF, va0x01234567, 0);
160         vnacc1 = vdot_u32(vnacc1, va_zero_point, va1x01234567);
161         vpacc1x0123 = vdotq_lane_u32(vpacc1x0123, vb0123x0123, va1x01234567, 0);
162         vpacc1x4567 = vdotq_lane_u32(vpacc1x4567, vb0123x4567, va1x01234567, 0);
163         vpacc1x89AB = vdotq_lane_u32(vpacc1x89AB, vb0123x89AB, va1x01234567, 0);
164         vpacc1xCDEF = vdotq_lane_u32(vpacc1xCDEF, vb0123xCDEF, va1x01234567, 0);
165         vnacc2 = vdot_u32(vnacc2, va_zero_point, va2x01234567);
166         vpacc2x0123 = vdotq_lane_u32(vpacc2x0123, vb0123x0123, va2x01234567, 0);
167         vpacc2x4567 = vdotq_lane_u32(vpacc2x4567, vb0123x4567, va2x01234567, 0);
168         vpacc2x89AB = vdotq_lane_u32(vpacc2x89AB, vb0123x89AB, va2x01234567, 0);
169         vpacc2xCDEF = vdotq_lane_u32(vpacc2xCDEF, vb0123xCDEF, va2x01234567, 0);
170       }
171       p -= 3 * sizeof(void*);
172     } while (p != 0);
173 
174     // Subtract zero point from accumulators.
175     vnacc0 = vpadd_u32(vnacc0, vnacc0);
176     const uint32x4_t vnacc0x0123 = vcombine_u32(vnacc0, vnacc0);
177     int32x4_t vacc0x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc0x0123, vnacc0x0123));
178     int32x4_t vacc0x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc0x4567, vnacc0x0123));
179     int32x4_t vacc0x89AB = vreinterpretq_s32_u32(vsubq_u32(vpacc0x89AB, vnacc0x0123));
180     int32x4_t vacc0xCDEF = vreinterpretq_s32_u32(vsubq_u32(vpacc0xCDEF, vnacc0x0123));
181     vnacc1 = vpadd_u32(vnacc1, vnacc1);
182     const uint32x4_t vnacc1x0123 = vcombine_u32(vnacc1, vnacc1);
183     int32x4_t vacc1x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc1x0123, vnacc1x0123));
184     int32x4_t vacc1x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc1x4567, vnacc1x0123));
185     int32x4_t vacc1x89AB = vreinterpretq_s32_u32(vsubq_u32(vpacc1x89AB, vnacc1x0123));
186     int32x4_t vacc1xCDEF = vreinterpretq_s32_u32(vsubq_u32(vpacc1xCDEF, vnacc1x0123));
187     vnacc2 = vpadd_u32(vnacc2, vnacc2);
188     const uint32x4_t vnacc2x0123 = vcombine_u32(vnacc2, vnacc2);
189     int32x4_t vacc2x0123 = vreinterpretq_s32_u32(vsubq_u32(vpacc2x0123, vnacc2x0123));
190     int32x4_t vacc2x4567 = vreinterpretq_s32_u32(vsubq_u32(vpacc2x4567, vnacc2x0123));
191     int32x4_t vacc2x89AB = vreinterpretq_s32_u32(vsubq_u32(vpacc2x89AB, vnacc2x0123));
192     int32x4_t vacc2xCDEF = vreinterpretq_s32_u32(vsubq_u32(vpacc2xCDEF, vnacc2x0123));
193 
194     const int32x4_t vright_pre_shift = vld1q_dup_s32(&params->rndnu_neon.right_pre_shift);
195     const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
196     const int32x4_t vright_post_shift = vld1q_dup_s32(&params->rndnu_neon.right_post_shift);
197 
198     vacc0x0123 = vshlq_s32(vacc0x0123, vright_pre_shift);
199     vacc0x4567 = vshlq_s32(vacc0x4567, vright_pre_shift);
200     vacc0x89AB = vshlq_s32(vacc0x89AB, vright_pre_shift);
201     vacc0xCDEF = vshlq_s32(vacc0xCDEF, vright_pre_shift);
202     vacc1x0123 = vshlq_s32(vacc1x0123, vright_pre_shift);
203     vacc1x4567 = vshlq_s32(vacc1x4567, vright_pre_shift);
204     vacc1x89AB = vshlq_s32(vacc1x89AB, vright_pre_shift);
205     vacc1xCDEF = vshlq_s32(vacc1xCDEF, vright_pre_shift);
206     vacc2x0123 = vshlq_s32(vacc2x0123, vright_pre_shift);
207     vacc2x4567 = vshlq_s32(vacc2x4567, vright_pre_shift);
208     vacc2x89AB = vshlq_s32(vacc2x89AB, vright_pre_shift);
209     vacc2xCDEF = vshlq_s32(vacc2xCDEF, vright_pre_shift);
210 
211     vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
212     vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
213     vacc0x89AB = vqdmulhq_s32(vacc0x89AB, vmultiplier);
214     vacc0xCDEF = vqdmulhq_s32(vacc0xCDEF, vmultiplier);
215     vacc1x0123 = vqdmulhq_s32(vacc1x0123, vmultiplier);
216     vacc1x4567 = vqdmulhq_s32(vacc1x4567, vmultiplier);
217     vacc1x89AB = vqdmulhq_s32(vacc1x89AB, vmultiplier);
218     vacc1xCDEF = vqdmulhq_s32(vacc1xCDEF, vmultiplier);
219     vacc2x0123 = vqdmulhq_s32(vacc2x0123, vmultiplier);
220     vacc2x4567 = vqdmulhq_s32(vacc2x4567, vmultiplier);
221     vacc2x89AB = vqdmulhq_s32(vacc2x89AB, vmultiplier);
222     vacc2xCDEF = vqdmulhq_s32(vacc2xCDEF, vmultiplier);
223 
224     vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
225     vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
226     vacc0x89AB = vrshlq_s32(vacc0x89AB, vright_post_shift);
227     vacc0xCDEF = vrshlq_s32(vacc0xCDEF, vright_post_shift);
228     vacc1x0123 = vrshlq_s32(vacc1x0123, vright_post_shift);
229     vacc1x4567 = vrshlq_s32(vacc1x4567, vright_post_shift);
230     vacc1x89AB = vrshlq_s32(vacc1x89AB, vright_post_shift);
231     vacc1xCDEF = vrshlq_s32(vacc1xCDEF, vright_post_shift);
232     vacc2x0123 = vrshlq_s32(vacc2x0123, vright_post_shift);
233     vacc2x4567 = vrshlq_s32(vacc2x4567, vright_post_shift);
234     vacc2x89AB = vrshlq_s32(vacc2x89AB, vright_post_shift);
235     vacc2xCDEF = vrshlq_s32(vacc2xCDEF, vright_post_shift);
236 
237     const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
238 #if XNN_ARCH_ARM64
239     const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
240     const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x89AB), vacc0xCDEF), voutput_zero_point);
241     const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point);
242     const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x89AB), vacc1xCDEF), voutput_zero_point);
243     const int16x8_t vacc2x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x0123), vacc2x4567), voutput_zero_point);
244     const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc2x89AB), vacc2xCDEF), voutput_zero_point);
245 
246     uint8x16_t vout0x0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc0x01234567), vacc0x89ABCDEF);
247     uint8x16_t vout1x0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc1x01234567), vacc1x89ABCDEF);
248     uint8x16_t vout2x0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc2x01234567), vacc2x89ABCDEF);
249 #else
250     const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
251     const int16x8_t vacc0x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x89AB), vqmovn_s32(vacc0xCDEF)), voutput_zero_point);
252     const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point);
253     const int16x8_t vacc1x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x89AB), vqmovn_s32(vacc1xCDEF)), voutput_zero_point);
254     const int16x8_t vacc2x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x0123), vqmovn_s32(vacc2x4567)), voutput_zero_point);
255     const int16x8_t vacc2x89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc2x89AB), vqmovn_s32(vacc2xCDEF)), voutput_zero_point);
256 
257     uint8x16_t vout0x0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc0x01234567), vqmovun_s16(vacc0x89ABCDEF));
258     uint8x16_t vout1x0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc1x01234567), vqmovun_s16(vacc1x89ABCDEF));
259     uint8x16_t vout2x0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc2x01234567), vqmovun_s16(vacc2x89ABCDEF));
260 #endif
261     const uint8x16_t voutput_min = vld1q_dup_u8(&params->rndnu_neon.output_min);
262     const uint8x16_t voutput_max = vld1q_dup_u8(&params->rndnu_neon.output_max);
263 
264     vout0x0123456789ABCDEF = vmaxq_u8(vout0x0123456789ABCDEF, voutput_min);
265     vout1x0123456789ABCDEF = vmaxq_u8(vout1x0123456789ABCDEF, voutput_min);
266     vout2x0123456789ABCDEF = vmaxq_u8(vout2x0123456789ABCDEF, voutput_min);
267 
268     vout0x0123456789ABCDEF = vminq_u8(vout0x0123456789ABCDEF, voutput_max);
269     vout1x0123456789ABCDEF = vminq_u8(vout1x0123456789ABCDEF, voutput_max);
270     vout2x0123456789ABCDEF = vminq_u8(vout2x0123456789ABCDEF, voutput_max);
271 
272     if (nc >= 16) {
273       vst1q_u8(c2 + 0, vout2x0123456789ABCDEF);
274       vst1q_u8(c1 + 0, vout1x0123456789ABCDEF);
275       vst1q_u8(c0 + 0, vout0x0123456789ABCDEF);
276 
277       c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
278       c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
279       c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
280 
281       a = (const uint8_t**restrict) ((uintptr_t) a - ks);
282 
283       nc -= 16;
284     } else {
285       uint8x8_t vout2x01234567 = vget_low_u8(vout2x0123456789ABCDEF);
286       uint8x16_t vout0x01234567_1x01234567 = vcombine_u8(vget_low_u8(vout0x0123456789ABCDEF), vget_low_u8(vout1x0123456789ABCDEF));
287       if (nc & 8) {
288         vst1_u8(c2, vout2x01234567); c2 += 8;  // This line
289         vst1_u8(c1, vget_high_u8(vout0x01234567_1x01234567)); c1 += 8;
290         vst1_u8(c0, vget_low_u8(vout0x01234567_1x01234567)); c0 += 8;
291         vout2x01234567 = vget_high_u8(vout2x0123456789ABCDEF);
292         vout0x01234567_1x01234567 = vcombine_u8(vget_high_u8(vout0x0123456789ABCDEF), vget_high_u8(vout1x0123456789ABCDEF));
293       }
294       if (nc & 4) {
295         vst1_lane_u32((void*) c2, vreinterpret_u32_u8(vout2x01234567), 0); c2 += 4;
296         vst1q_lane_u32((void*) c1, vreinterpretq_u32_u8(vout0x01234567_1x01234567), 2); c1 += 4;
297         vst1q_lane_u32((void*) c0, vreinterpretq_u32_u8(vout0x01234567_1x01234567), 0); c0 += 4;
298         vout2x01234567 = vext_u8(vout2x01234567, vout2x01234567, 4);
299         vout0x01234567_1x01234567 = vextq_u8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4);
300       }
301       if (nc & 2) {
302         vst1_lane_u16((void*) c2, vreinterpret_u16_u8(vout2x01234567), 0); c2 += 2;
303         vst1q_lane_u16((void*) c1, vreinterpretq_u16_u8(vout0x01234567_1x01234567), 4); c1 += 2;
304         vst1q_lane_u16((void*) c0, vreinterpretq_u16_u8(vout0x01234567_1x01234567), 0); c0 += 2;
305         vout2x01234567 = vext_u8(vout2x01234567, vout2x01234567, 2);
306         vout0x01234567_1x01234567 = vextq_u8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2);
307       }
308       if (nc & 1) {
309         vst1_lane_u8(c2, vout2x01234567, 0);
310         vst1q_lane_u8(c1, vout0x01234567_1x01234567, 8);
311         vst1q_lane_u8(c0, vout0x01234567_1x01234567, 0);
312       }
313 
314       nc = 0;
315     }
316   } while (nc != 0);
317 }
318