blob: eb0ad919ec0ec8f5604c0540b776bcad82720d23 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
/* ===-- bswapdi2.c - Implement __bswapdi2 ---------------------------------===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
* ===----------------------------------------------------------------------===
*
* 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));
}
|
