FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavutil/x86/intreadwrite.h
Date: 2024-02-16 17:37:06
Exec Total Coverage
Lines: 6 6 100.0%
Functions: 2 2 100.0%
Branches: 0 0 -%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2010 Alexander Strange <astrange@ithinksw.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #ifndef AVUTIL_X86_INTREADWRITE_H
22 #define AVUTIL_X86_INTREADWRITE_H
23
24 #include <stdint.h>
25 #include "config.h"
26 #include "libavutil/attributes.h"
27
28 #if HAVE_MMX
29
30 #ifdef __SSE__
31
32 #define AV_COPY128 AV_COPY128
33 230233013 static av_always_inline void AV_COPY128(void *d, const void *s)
34 {
35 struct v {uint64_t v[2];};
36
37 230233013 __asm__("movaps %1, %%xmm0 \n\t"
38 "movaps %%xmm0, %0 \n\t"
39 : "=m"(*(struct v*)d)
40 : "m" (*(const struct v*)s)
41 : "xmm0");
42 230233013 }
43
44 #endif /* __SSE__ */
45
46 #ifdef __SSE2__
47
48 #define AV_ZERO128 AV_ZERO128
49 14020423 static av_always_inline void AV_ZERO128(void *d)
50 {
51 struct v {uint64_t v[2];};
52
53 14020423 __asm__("pxor %%xmm0, %%xmm0 \n\t"
54 "movdqa %%xmm0, %0 \n\t"
55 : "=m"(*(struct v*)d)
56 :: "xmm0");
57 14020423 }
58
59 #endif /* __SSE2__ */
60
61 #endif /* HAVE_MMX */
62
63 #endif /* AVUTIL_X86_INTREADWRITE_H */
64