1 // Auto-generated file. Do not edit!
2 // Template: src/x32-transposec/scalar.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
11 #include <assert.h>
12
13 #include <xnnpack/common.h>
14 #include <xnnpack/math.h>
15 #include <xnnpack/transpose.h>
16
xnn_x32_transposec_ukernel__1x2_scalar_float(const uint32_t * input,uint32_t * output,size_t input_stride,size_t output_stride,size_t block_width,size_t block_height)17 void xnn_x32_transposec_ukernel__1x2_scalar_float(
18 const uint32_t *input,
19 uint32_t * output,
20 size_t input_stride,
21 size_t output_stride,
22 size_t block_width,
23 size_t block_height) XNN_OOB_READS
24 {
25 assert(output_stride >= block_height * sizeof(float));
26 assert(input_stride >= block_width * sizeof(float));
27
28 const size_t tile_height = 1;
29 const size_t tile_width = 2;
30 const size_t tile_wbytes = tile_width * sizeof(float);
31 const size_t input_reset = tile_wbytes - block_height * input_stride;
32 const size_t output_reset = tile_width * output_stride - block_height * sizeof(float);
33 const size_t input_offset = tile_height * input_stride;
34
35 const float* i0 = (const float*) input;
36
37 float* o0 = (float*) output;
38 float* o1 = (float*) ((uintptr_t) o0 + output_stride);
39
40 do {
41 if XNN_UNPREDICTABLE(block_width < 2) {
42 o1 = o0;
43 }
44 size_t bh = block_height;
45 for (; bh >= 1; bh -= 1) {
46 *o1++ = i0[1];
47 *o0++ = i0[0];
48 i0 = (const float*) ((uintptr_t) i0 + input_offset);
49 }
50
51 i0 = (const float*) ((uintptr_t) i0 + input_reset);
52 o0 = (float*) ((uintptr_t) o0 + output_reset);
53 o1 = (float*) ((uintptr_t) o1 + output_reset);
54 block_width = doz(block_width, tile_width);
55 } while (block_width != 0);
56 }
57