commit 91998e449e0ce758db55aecf2abc3ee510fcbc8f

Author: Siddhesh Poyarekar <siddhesh@redhat.com>

Date:   Fri Dec 28 11:53:01 2012 +0530

    Add __glibc_likely as an alias for __builtin_expect when available

diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h

index fb6c959..1eee54e 100644

--- a/misc/sys/cdefs.h

+++ b/misc/sys/cdefs.h

@@ -378,8 +378,10 @@

 #if __GNUC__ >= 3

 # define __glibc_unlikely(cond) __builtin_expect((cond), 0)

+# define __glibc_likely(cond) __builtin_expect((cond), 1)

 #else

 # define __glibc_unlikely(cond) (cond)

+# define __glibc_likely(cond) (cond)

 #endif

 #include <bits/wordsize.h>