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/*
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _PICO_BIT_OPS_H
#define _PICO_BIT_OPS_H
#include "pico.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \file bit_ops.h
* \defgroup pico_bit_ops pico_bit_ops
*
* \brief Optimized bit manipulation functions.
* Additionally provides replacement implementations of the compiler built-ins __builtin_popcount, __builtin_clz
* and __bulitin_ctz
*/
/*! \brief Reverse the bits in a 32 bit word
* \ingroup pico_bit_ops
*
* \param bits 32 bit input
* \return the 32 input bits reversed
*/
uint32_t __rev(uint32_t bits);
/*! \brief Reverse the bits in a 64 bit double word
* \ingroup pico_bit_ops
*
* \param bits 64 bit input
* \return the 64 input bits reversed
*/
uint64_t __revll(uint64_t bits);
#ifdef __cplusplus
}
#endif
#endif