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Fix compilation with GCC 2, which had no __builtin_expect

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Dave Hart 2011-05-20 14:18:08 -04:00 committed by Nick Mathewson
parent 5786b91e2e
commit 09d39a120d
1 changed files with 1 additions and 1 deletions
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2
util-internal.h
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@ -179,7 +179,7 @@ long _evutil_weakrand(void);
/* Evaluates to the same boolean value as 'p', and hints to the compiler that
* we expect this value to be false. */
#ifdef __GNUC__
#if defined(__GNUC__) && __GNUC__ >= 3 /* gcc 3.0 or later */
#define EVUTIL_UNLIKELY(p) __builtin_expect(!!(p),0)
#else
#define EVUTIL_UNLIKELY(p) (p)