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-rw-r--r--include/afl-fuzz.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/afl-fuzz.h b/include/afl-fuzz.h
index 831a0dbc..8fb7ecb1 100644
--- a/include/afl-fuzz.h
+++ b/include/afl-fuzz.h
@@ -1223,7 +1223,7 @@ double rand_next_percent(afl_state_t *afl);
 
 static inline u32 rand_below(afl_state_t *afl, u32 limit) {
 
-  if (limit <= 1) return 0;
+  if (unlikely(limit <= 1)) return 0;
 
   /* The boundary not being necessarily a power of 2,
      we need to ensure the result uniformity. */
@@ -1256,7 +1256,7 @@ static inline u32 rand_below(afl_state_t *afl, u32 limit) {
    expand havoc mode */
 static inline u32 rand_below_datalen(afl_state_t *afl, u32 limit) {
 
-  if (limit <= 1) return 0;
+  if (unlikely(limit <= 1)) return 0;
 
   switch (rand_below(afl, 3)) {