Coverage Report

Created: 2025-06-13 06:49

/src/libwebp/src/dsp/dec_sse41.c
Line
Count
Source (jump to first uncovered line)
1
// Copyright 2015 Google Inc. All Rights Reserved.
2
//
3
// Use of this source code is governed by a BSD-style license
4
// that can be found in the COPYING file in the root of the source
5
// tree. An additional intellectual property rights grant can be found
6
// in the file PATENTS. All contributing project authors may
7
// be found in the AUTHORS file in the root of the source tree.
8
// -----------------------------------------------------------------------------
9
//
10
// SSE4 version of some decoding functions.
11
//
12
// Author: Skal (pascal.massimino@gmail.com)
13
14
#include "src/dsp/dsp.h"
15
16
#if defined(WEBP_USE_SSE41)
17
#include <emmintrin.h>
18
#include <smmintrin.h>
19
20
#include "src/webp/types.h"
21
#include "src/dec/vp8i_dec.h"
22
#include "src/dsp/cpu.h"
23
#include "src/utils/utils.h"
24
25
0
static void HE16_SSE41(uint8_t* dst) {     // horizontal
26
0
  int j;
27
0
  const __m128i kShuffle3 = _mm_set1_epi8(3);
28
0
  for (j = 16; j > 0; --j) {
29
0
    const __m128i in = _mm_cvtsi32_si128(WebPMemToInt32(dst - 4));
30
0
    const __m128i values = _mm_shuffle_epi8(in, kShuffle3);
31
0
    _mm_storeu_si128((__m128i*)dst, values);
32
0
    dst += BPS;
33
0
  }
34
0
}
35
36
//------------------------------------------------------------------------------
37
// Entry point
38
39
extern void VP8DspInitSSE41(void);
40
41
0
WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE41(void) {
42
0
  VP8PredLuma16[3] = HE16_SSE41;
43
0
}
44
45
#else  // !WEBP_USE_SSE41
46
47
WEBP_DSP_INIT_STUB(VP8DspInitSSE41)
48
49
#endif  // WEBP_USE_SSE41