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/* ===-- bswapdi2.c - Implement __bswapdi2 ---------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is dual licensed under the MIT and the University of Illinois Open
* Source Licenses. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*
* This file implements __bswapdi2 for the compiler_rt library.
*
* ===----------------------------------------------------------------------===
*/
#include "int_lib.h"
COMPILER_RT_ABI uint64_t __bswapdi2(uint64_t u) {
return (
(((u)&0xff00000000000000ULL) >> 56) |
(((u)&0x00ff000000000000ULL) >> 40) |
(((u)&0x0000ff0000000000ULL) >> 24) |
(((u)&0x000000ff00000000ULL) >> 8) |
(((u)&0x00000000ff000000ULL) << 8) |
(((u)&0x0000000000ff0000ULL) << 24) |
(((u)&0x000000000000ff00ULL) << 40) |
(((u)&0x00000000000000ffULL) << 56));
}
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