__builtin_expect 391 Zend/zend.h # define EXPECTED(condition) __builtin_expect(condition, 1) __builtin_expect 392 Zend/zend.h # define UNEXPECTED(condition) __builtin_expect(condition, 0) __builtin_expect 228 ext/pcre/pcrelib/sljit/sljitConfigInternal.h #define SLJIT_LIKELY(x) __builtin_expect((x), 1) __builtin_expect 229 ext/pcre/pcrelib/sljit/sljitConfigInternal.h #define SLJIT_UNLIKELY(x) __builtin_expect((x), 0)