Source/inc/portable_compiler.h

/*==============================================================================
Copyright(c) 2017 Intel Corporation

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files(the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and / or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
============================================================================*/

#ifndef UFO_PORTABLE_COMPILER_H
#define UFO_PORTABLE_COMPILER_H

#if __GNUC__

    #if __GNUC__ < 4
        #error "Unsupported GCC version. Please use 4.0+"
    #endif

    #define __noop
    #define __fastcall
    #if defined __x86_64__
        #define __stdcall       // deprecated for x86-64
        #define __cdecl         // deprecated for x86-64
    #else
        #define __cdecl         __attribute__((__cdecl__))
        #define __stdcall       __attribute__((__stdcall__))
    #endif

    #define __declspec(x)           __declspec_##x
    #define __declspec_align(y)     __attribute__((aligned(y)))
    #define __declspec_deprecated   __attribute__((deprecated))
    #define __declspec_dllexport
    #define __declspec_dllimport
    #define __declspec_noinline     __attribute__((__noinline__))
    #define __declspec_nothrow      __attribute__((nothrow))
    #define __declspec_novtable
    #define __declspec_thread       __thread

    #define __forceinline       inline __attribute__((__always_inline__))

    #define __debugbreak()      do { asm volatile ("int3;"); } while (0)
    #define __popcnt                __builtin_popcount

#else

    #pragma message "unknown compiler!"

#endif


/* compile-time ASSERT */

#ifndef C_ASSERT
    #define __CONCATING( a1, a2 )     a1 ## a2

    #define __UNIQUENAME( a1, a2 )  __CONCATING( a1, a2 )

    #define UNIQUENAME( __text )    __UNIQUENAME( __text, __COUNTER__ )

  #define C_ASSERT(e) typedef char UNIQUENAME(STATIC_ASSERT_)[(e)?1:-1]
#endif


#endif  // UFO_PORTABLE_COMPILER_H