1 // Copyright 2019 Google LLC
2 //
3 // This source code is licensed under the BSD-style license found in the
4 // LICENSE file in the root directory of this source tree.
5 
6 #include <assert.h>
7 
8 #include <xnnpack/zip.h>
9 
10 
xnn_x8_zip_xm_ukernel__scalar(size_t n,size_t m,const uint8_t * input,uint8_t * output)11 void xnn_x8_zip_xm_ukernel__scalar(
12     size_t n,
13     size_t m,
14     const uint8_t* input,
15     uint8_t* output)
16 {
17   assert(n != 0);
18   assert(m >= 4);
19 
20   size_t k = n;
21   do {
22     size_t l = m;
23     const uint8_t* input_column = input++;
24     do {
25       *output++ = *input_column;
26       input_column = (uint8_t*) ((uintptr_t) input_column + n);
27     } while (--l != 0);
28     k -= sizeof(uint8_t);
29   } while (k != 0);
30 }
31