/* Copyright (c) 2014, Linaro Limited
 * All rights reserved.
 *
 * SPDX-License-Identifier:     BSD-3-Clause
 */


/**
 * @file
 *
 * Compiler related
 */

#ifndef ODP_COMPILER_H_
#define ODP_COMPILER_H_

#ifdef __cplusplus
extern "C" {
#endif

/** @addtogroup odp_compiler_optim
 *  Macro for old compilers
 *  @{
 */

/** @internal GNU compiler version */
#define GCC_VERSION (__GNUC__ * 10000 \
			+ __GNUC_MINOR__ * 100 \
			+ __GNUC_PATCHLEVEL__)

/**
 * @internal
 * Compiler __builtin_bswap16() is not available on all platforms
 * until GCC 4.8.0 - work around this by offering __odp_builtin_bswap16()
 * Don't use this function directly, instead see odp_byteorder.h
 */
#if GCC_VERSION < 40800
#define __odp_builtin_bswap16(u16) ((((u16)&0x00ff) << 8)|(((u16)&0xff00) >> 8))
#else
#define __odp_builtin_bswap16(u16) __builtin_bswap16(u16)
#endif

/**
 * @}
 */

#ifdef __cplusplus
}
#endif

#endif