diff options
Diffstat (limited to 'compat/macros1.h')
| -rw-r--r-- | compat/macros1.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/compat/macros1.h b/compat/macros1.h new file mode 100644 index 00000000..915b8d29 --- /dev/null +++ b/compat/macros1.h @@ -0,0 +1,43 @@ +#pragma once + +#if defined _MSC_VER +# define never_inline __declspec(noinline) +#else +# define never_inline __attribute__((noinline)) +#endif + +#if defined _MSC_VER +# define force_inline __forceinline +#else +# define force_inline __attribute__((always_inline)) +#endif + +#if !defined likely +# if defined __GNUC__ +# define likely(x) __builtin_expect(!!(x),1) +# define unlikely(x) __builtin_expect(!!(x),0) +# else +# define likely(x) (x) +# define unlikely(x) (x) +# endif +#endif + +#if defined _MSC_VER +# define function_name __FUNCSIG__ +#else +# define function_name __PRETTY_FUNCTION__ +#endif + +#define PP_CAT(x,y) PP_CAT1(x,y) +#define PP_CAT1(x,y) PP_CAT2(x,y) +#define PP_CAT2(x,y) x ## y + +#define PP_EXPAND(x) PP_EXPAND2(x) +#define PP_EXPAND2(x) PP_EXPAND3(x) x +#define PP_EXPAND3(x) x + +#ifdef _MSC_VER +# define unreachable() do { __assume(0); *(volatile int*)nullptr = 0; } while (0) /* NOLINT(clang-analyzer-core.NullDereference) */ +#else +# define unreachable() do { __builtin_unreachable(); *(volatile int*)nullptr = 0; } while (0) /* NOLINT(clang-analyzer-core.NullDereference) */ +#endif |