1 // Auto-generated file. Do not edit!
2 // Template: src/x32-transpose/sse2.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 <immintrin.h>
11
12 #include <assert.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/transpose.h>
17
xnn_x64_transpose_ukernel__2x2_reuse_multi_sse2(const uint64_t * input,uint64_t * output,size_t input_stride,size_t output_stride,size_t block_width,size_t block_height)18 void xnn_x64_transpose_ukernel__2x2_reuse_multi_sse2(
19 const uint64_t* input,
20 uint64_t* output,
21 size_t input_stride,
22 size_t output_stride,
23 size_t block_width,
24 size_t block_height)
25 {
26 assert(output_stride >= block_height * sizeof(uint64_t));
27 assert(input_stride >= block_width * sizeof(uint64_t));
28
29 const size_t tile_height = 2;
30 const size_t tile_width = 2;
31 const size_t tile_hbytes = tile_height * sizeof(uint64_t);
32 const size_t tile_wbytes = tile_width * sizeof(uint64_t);
33 const size_t input_reset = tile_wbytes - round_down_po2(block_height, tile_height) * input_stride;
34 const size_t output_reset = tile_width * output_stride - round_down_po2(block_height, 2) * sizeof(uint64_t);
35
36 const uint64_t* i0 = input;
37 uint64_t* o0 = (uint64_t*) output;
38 uint64_t* o1 = (uint64_t*) ((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 >= 2; bh -= 2) {
46 const __m128i v1_0 = _mm_loadu_si128((const __m128i*) i0);
47 i0 = (uint64_t*) ((uintptr_t) i0 + input_stride);
48 const __m128i v1_1 = _mm_loadu_si128((const __m128i*) i0);
49 i0 = (uint64_t*) ((uintptr_t) i0 + input_stride);
50
51 const __m128i v0_0 = _mm_unpacklo_epi64(v1_0, v1_1);
52 const __m128i v0_1 = _mm_unpackhi_epi64(v1_0, v1_1);
53
54
55
56
57 _mm_storeu_si128((__m128i*) o1, v0_1);
58 o1 = (uint64_t*) ((uintptr_t) o1 + tile_hbytes);
59 _mm_storeu_si128((__m128i*) o0, v0_0);
60 o0 = (uint64_t*) ((uintptr_t) o0 + tile_hbytes);
61 }
62 if (bh != 0) {
63 const __m128i v1_0 = _mm_loadu_si128((const __m128i*) i0);
64 const __m128i v1_1 = _mm_undefined_si128();
65
66 __m128i v0_0 = _mm_unpacklo_epi64(v1_0, v1_1);
67 __m128i v0_1 = _mm_unpackhi_epi64(v1_0, v1_1);
68
69
70
71
72 if (bh & 1) {
73 _mm_storel_epi64((__m128i*) o1, v0_1);
74 _mm_storel_epi64((__m128i*) o0, v0_0);
75 }
76
77 }
78
79 i0 = (const uint64_t*) ((uintptr_t) i0 + input_reset);
80 o0 = (uint64_t*) ((uintptr_t) o0 + output_reset);
81 o1 = (uint64_t*) ((uintptr_t) o1 + output_reset);
82 block_width = doz(block_width, tile_width);
83 } while (block_width != 0);
84 }
85