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don't use __has_builtin

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GCC doesn't have this until GCC 10. Just assume it exists, as
our compiler requirements mean it should exist.
This commit is contained in:
Aaron Gyes
2021-09-28 23:50:56 -07:00
parent 97bb53e32d
commit fb32872f6b
1 changed files with 0 additions and 5 deletions
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5
src/common.h
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@@ -309,13 +309,8 @@ void wcs2string_appending(const wchar_t *in, size_t len, std::string *receiver);
bool should_suppress_stderr_for_tests();
/// Branch prediction hints. Idea borrowed from Linux kernel. Just used for asserts.
#if __has_builtin(__builtin_expect)
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#else
#define likely(x) (x)
#define unlikely(x) (x)
#endif
void assert_is_main_thread(const char *who);
#define ASSERT_IS_MAIN_THREAD_TRAMPOLINE(x) assert_is_main_thread(x)