lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

Add __glibc_likely as an alias for __builtin_expect when available

Browse Source
This commit is contained in:
Siddhesh Poyarekar
2012-12-28 11:53:01 +05:30
parent 99136f8202
commit 91998e449e
2 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
misc/sys/cdefs.h
View File

@ -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>