diff options
Diffstat (limited to 'ffmpeg_files/x86/bswap.h')
-rw-r--r-- | ffmpeg_files/x86/bswap.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/ffmpeg_files/x86/bswap.h b/ffmpeg_files/x86/bswap.h deleted file mode 100644 index 62238d178a..0000000000 --- a/ffmpeg_files/x86/bswap.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * 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 - */ - -/** - * @file libavutil/x86/bswap.h - * byte swapping routines - */ - -#ifndef MP_AVUTIL_X86_BSWAP_H -#define MP_AVUTIL_X86_BSWAP_H - -#include <stdint.h> -#include "config.h" -#include "libavutil/common.h" - -#define bswap_16 bswap_16 -static av_always_inline av_const uint16_t bswap_16(uint16_t x) -{ - __asm__("rorw $8, %0" : "+r"(x)); - return x; -} - -#define bswap_32 bswap_32 -static av_always_inline av_const uint32_t bswap_32(uint32_t x) -{ -#if HAVE_BSWAP - __asm__("bswap %0" : "+r" (x)); -#else - __asm__("rorw $8, %w0 \n\t" - "rorl $16, %0 \n\t" - "rorw $8, %w0" - : "+r"(x)); -#endif - return x; -} - -#if ARCH_X86_64 -#define bswap_64 bswap_64 -static inline uint64_t av_const bswap_64(uint64_t x) -{ - __asm__("bswap %0": "=r" (x) : "0" (x)); - return x; -} -#endif - -#endif /* AVUTIL_X86_BSWAP_H */ |