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-rw-r--r--include/compiler.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/compiler.h b/include/compiler.h
index e602cce..332618e 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -125,4 +125,7 @@ typedef unsigned int uintptr_t;
/* compiler options */
#define uninitialized_var(x) x = x
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
#endif