/* * 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_AARCH64_BSWAP_H #define AVUTIL_AARCH64_BSWAP_H #include #include "config.h" #include "libavutil/attributes.h" #if HAVE_INLINE_ASM #define av_bswap16 av_bswap16 static av_always_inline av_const unsigned av_bswap16(unsigned x) { unsigned y; __asm__("rev16 %w0, %w1" : "=r"(y) : "r"(x)); return y; } #define av_bswap32 av_bswap32 static av_always_inline av_const uint32_t av_bswap32(uint32_t x) { uint32_t y; __asm__("rev %w0, %w1" : "=r"(y) : "r"(x)); return y; } #define av_bswap64 av_bswap64 static av_always_inline av_const uint64_t av_bswap64(uint64_t x) { uint64_t y; __asm__("rev %0, %1" : "=r"(y) : "r"(x)); return y; } #endif /* HAVE_INLINE_ASM */ #endif /* AVUTIL_AARCH64_BSWAP_H */