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AK: Add ALWAYS_INLINE, NEVER_INLINE and FLATTEN macros

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It's tedious to write (and look at) [[gnu::always_inline]] etc. :^)
This commit is contained in:
Andreas Kling 2020-04-30 11:43:25 +02:00
parent f1a8fb1e88
commit 888e35f0fe
14 changed files with 63 additions and 56 deletions
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19
AK/Platform.h
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@ -36,6 +36,21 @@
#define ARCH(arch) (defined(AK_ARCH_##arch) && AK_ARCH_##arch)
#ifdef ALWAYS_INLINE
#undef ALWAYS_INLINE
#endif
#define ALWAYS_INLINE [[gnu::always_inline]] inline
#ifdef NEVER_INLINE
#undef NEVER_INLINE
#endif
#define NEVER_INLINE [[gnu::noinline]]
#ifdef FLATTEN
#undef FLATTEN
#endif
#define FLATTEN [[gnu::flatten]]
// FIXME: Re-enable this when we can figure out why Clang gets confused about "unknown"
#if 0
# define CONSUMABLE(initial_state) __attribute__((consumable(initial_state)))
@ -70,7 +85,7 @@ inline int open_with_path_length(const char* path, size_t path_length, int optio
#endif
template<typename T>
[[gnu::always_inline]] inline T convert_between_host_and_network(T value)
ALWAYS_INLINE T convert_between_host_and_network(T value)
{
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
if constexpr (sizeof(T) == 8)
@ -86,7 +101,7 @@ template<typename T>
#endif
}
[[gnu::always_inline]] inline int count_trailing_zeroes_32(unsigned int val)
ALWAYS_INLINE int count_trailing_zeroes_32(unsigned int val)
{
#if defined(__GNUC__) || defined(__clang__)
return __builtin_ctz(val);