add likely and unlikely macros

vteromero · vteromero · commit 39b528ea5ec4 · 2022-04-06T14:20:35.000+01:00
diff --git a/compiler.h b/compiler.h
@@ -24,4 +24,7 @@
 #define __HAVE_BUILTIN_CLZLL__
 #endif
 
+#define likely(x)  __builtin_expect(!!(x), 1)
+#define unlikely(x)  __builtin_expect(!!(x), 0)
+
 #endif /* VTENC_COMPILER_H_ */
