There is a very tiny change (-120 bytes) in compiled code size as a
result.
---
intel/intel_bufmgr_gem.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index b72a30b..ee73857 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -76,8 +76,18 @@
#define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s)))
+#ifndef likely
+# ifdef __GNUC__
+# define likely(x) __builtin_expect(!!(x), 1)
+# define unlikely(x) __builtin_expect(!!(x), 0)
+# else
+# define likely(x) (x)
+# define unlikely(x) (x)
+# endif
+#endif
+
#define DBG(...) do { \
- if (bufmgr_gem->bufmgr.debug) \
+ if (unlikely(bufmgr_gem->bufmgr.debug)) \
fprintf(stderr, __VA_ARGS__); \
} while (0)
--
1.8.3.rc0
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