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- /* 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))
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