utils: Add likely/unlikely macros

Signed-off-by: Siddharth Chandrasekaran <[email protected]>
goToMain · Feb 21, 2024 · 3de34d6 · 3de34d6
1 parent a096d8d
commit 3de34d6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/utils/utils.h b/include/utils/utils.h
@@ -136,11 +136,15 @@ extern "C" {
 #define __noreturn
 #define __weak
 #define __unreachable()
+#define likely(p) (p)
+#define unlikely(p) (p)
 #else
 #define __format_printf(x, y)   __attribute__((format(printf, x, y)))
 #define __noreturn              __attribute__((noreturn))
 #define __weak                  __attribute__((weak))
 #define __unreachable()         __builtin_unreachable()
+#define likely(p)               __builtin_expect(!!(p), 1)
+#define unlikely(p)             __builtin_expect(!!(p), 0)
 #endif
 
 /**