xref: /aosp_15_r20/external/gmmlib/Source/inc/portable_compiler.h (revision 35ffd701415c9e32e53136d61a677a8d0a8fc4a5)
1 /*==============================================================================
2 Copyright(c) 2017 Intel Corporation
3 
4 Permission is hereby granted, free of charge, to any person obtaining a
5 copy of this software and associated documentation files(the "Software"),
6 to deal in the Software without restriction, including without limitation
7 the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 and / or sell copies of the Software, and to permit persons to whom the
9 Software is furnished to do so, subject to the following conditions:
10 
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13 
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 OTHER DEALINGS IN THE SOFTWARE.
21 ============================================================================*/
22 
23 #ifndef UFO_PORTABLE_COMPILER_H
24 #define UFO_PORTABLE_COMPILER_H
25 
26 #if __GNUC__
27 
28     #if __GNUC__ < 4
29         #error "Unsupported GCC version. Please use 4.0+"
30     #endif
31 
32     #define __noop
33     #define __fastcall
34     #if defined __x86_64__
35         #define __stdcall       // deprecated for x86-64
36         #define __cdecl         // deprecated for x86-64
37     #elif defined(__ARM_ARCH)
38         #define __stdcall
39         #define __cdecl
40     #else
41         #define __cdecl         __attribute__((__cdecl__))
42         #define __stdcall       __attribute__((__stdcall__))
43     #endif
44 
45     #define __declspec(x)           __declspec_##x
46     #define __declspec_align(y)     __attribute__((aligned(y)))
47     #define __declspec_deprecated   __attribute__((deprecated))
48     #define __declspec_dllexport
49     #define __declspec_dllimport
50     #define __declspec_noinline     __attribute__((__noinline__))
51     #define __declspec_nothrow      __attribute__((nothrow))
52     #define __declspec_novtable
53     #define __declspec_thread       __thread
54 
55     #define __forceinline       inline __attribute__((__always_inline__))
56 
57     #define __debugbreak()      do { asm volatile ("int3;"); } while (0)
58     #define __popcnt                __builtin_popcount
59 
60 #else
61 
62     #pragma message "unknown compiler!"
63 
64 #endif
65 
66 
67 /* compile-time ASSERT */
68 
69 #ifndef C_ASSERT
70     #define __CONCATING( a1, a2 )     a1 ## a2
71 
72     #define __UNIQUENAME( a1, a2 )  __CONCATING( a1, a2 )
73 
74     #define UNIQUENAME( __text )    __UNIQUENAME( __text, __COUNTER__ )
75 
76   #define C_ASSERT(e) typedef char UNIQUENAME(STATIC_ASSERT_)[(e)?1:-1]
77 #endif
78 
79 
80 #endif  // UFO_PORTABLE_COMPILER_H
81