mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-04 23:38:25 -05:00
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
|
/*
|
||
|
* Copyright (c) 2010 Alexander Strange <astrange@ithinksw.com>
|
||
|
*
|
||
|
* This file is part of FFmpeg.
|
||
|
*
|
||
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
* License as published by the Free Software Foundation; either
|
||
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
*
|
||
|
* FFmpeg is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
* Lesser General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
*/
|
||
|
|
||
|
#ifndef AVUTIL_X86_INTREADWRITE_H
|
||
|
#define AVUTIL_X86_INTREADWRITE_H
|
||
|
|
||
|
#include <stdint.h>
|
||
|
#include "config.h"
|
||
|
#include "libavutil/attributes.h"
|
||
|
|
||
|
#if HAVE_MMX
|
||
|
|
||
|
#if !HAVE_FAST_64BIT && defined(__MMX__)
|
||
|
|
||
|
#define AV_COPY64 AV_COPY64
|
||
|
static av_always_inline void AV_COPY64(void *d, const void *s)
|
||
|
{
|
||
|
__asm__("movq %1, %%mm0 \n\t"
|
||
|
"movq %%mm0, %0 \n\t"
|
||
|
: "=m"(*(uint64_t*)d)
|
||
|
: "m" (*(const uint64_t*)s)
|
||
|
: "mm0");
|
||
|
}
|
||
|
|
||
|
#define AV_SWAP64 AV_SWAP64
|
||
|
static av_always_inline void AV_SWAP64(void *a, void *b)
|
||
|
{
|
||
|
__asm__("movq %1, %%mm0 \n\t"
|
||
|
"movq %0, %%mm1 \n\t"
|
||
|
"movq %%mm0, %0 \n\t"
|
||
|
"movq %%mm1, %1 \n\t"
|
||
|
: "+m"(*(uint64_t*)a), "+m"(*(uint64_t*)b)
|
||
|
::"mm0", "mm1");
|
||
|
}
|
||
|
|
||
|
#define AV_ZERO64 AV_ZERO64
|
||
|
static av_always_inline void AV_ZERO64(void *d)
|
||
|
{
|
||
|
__asm__("pxor %%mm0, %%mm0 \n\t"
|
||
|
"movq %%mm0, %0 \n\t"
|
||
|
: "=m"(*(uint64_t*)d)
|
||
|
:: "mm0");
|
||
|
}
|
||
|
|
||
|
#endif /* !HAVE_FAST_64BIT && defined(__MMX__) */
|
||
|
|
||
|
#ifdef __SSE__
|
||
|
|
||
|
#define AV_COPY128 AV_COPY128
|
||
|
static av_always_inline void AV_COPY128(void *d, const void *s)
|
||
|
{
|
||
|
struct v {uint64_t v[2];};
|
||
|
|
||
|
__asm__("movaps %1, %%xmm0 \n\t"
|
||
|
"movaps %%xmm0, %0 \n\t"
|
||
|
: "=m"(*(struct v*)d)
|
||
|
: "m" (*(const struct v*)s)
|
||
|
: "xmm0");
|
||
|
}
|
||
|
|
||
|
#endif /* __SSE__ */
|
||
|
|
||
|
#ifdef __SSE2__
|
||
|
|
||
|
#define AV_ZERO128 AV_ZERO128
|
||
|
static av_always_inline void AV_ZERO128(void *d)
|
||
|
{
|
||
|
struct v {uint64_t v[2];};
|
||
|
|
||
|
__asm__("pxor %%xmm0, %%xmm0 \n\t"
|
||
|
"movdqa %%xmm0, %0 \n\t"
|
||
|
: "=m"(*(struct v*)d)
|
||
|
:: "xmm0");
|
||
|
}
|
||
|
|
||
|
#endif /* __SSE2__ */
|
||
|
|
||
|
#endif /* HAVE_MMX */
|
||
|
|
||
|
#endif /* AVUTIL_X86_INTREADWRITE_H */
|