mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-21 02:03:18 +00:00
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* uint64_t-like operations that work even on hosts lacking uint64_t
|
|
|
|
Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc.
|
|
|
|
This file 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.
|
|
|
|
This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
/* Written by Paul Eggert. */
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifndef _GL_U64_INLINE
|
|
#define _GL_U64_INLINE _GL_INLINE
|
|
#endif
|
|
|
|
/* Return X rotated left by N bits, where 0 < N < 64. */
|
|
#define u64rol(x, n) u64or(u64shl(x, n), u64shr(x, 64 - (n)))
|
|
|
|
/* Native implementations are trivial. See below for comments on what
|
|
these operations do. */
|
|
typedef uint64_t u64;
|
|
#define u64hilo(hi, lo) ((u64)(((u64)(hi) << 32) + (lo)))
|
|
#define u64init(hi, lo) u64hilo(hi, lo)
|
|
#define u64lo(x) ((u64)(x))
|
|
#define u64size(x) u64lo(x)
|
|
#define u64lt(x, y) ((x) < (y))
|
|
#define u64and(x, y) ((x) & (y))
|
|
#define u64or(x, y) ((x) | (y))
|
|
#define u64xor(x, y) ((x) ^ (y))
|
|
#define u64plus(x, y) ((x) + (y))
|
|
#define u64shl(x, n) ((x) << (n))
|
|
#define u64shr(x, n) ((x) >> (n))
|