Fix infinite loop in std_cache_pkg::one_hot_to_bin (#1302)

Use int unsigned for loop variable i to avoid wrapping before loop exit condition is met. Resolves bug #1301 (#1301) Co-authored-by: Max Bjurling <[email protected]>
openhwgroup · Jul 12, 2023 · 622409a · 622409a
1 parent 513bb91
commit 622409a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/include/std_cache_pkg.sv b/core/include/std_cache_pkg.sv
@@ -78,7 +78,7 @@ package std_cache_pkg;
     function automatic logic [$clog2(ariane_pkg::DCACHE_SET_ASSOC)-1:0] one_hot_to_bin (
         input logic [ariane_pkg::DCACHE_SET_ASSOC-1:0] in
     );
-        for (logic [$clog2(ariane_pkg::DCACHE_SET_ASSOC)-1:0] i = 0; i < ariane_pkg::DCACHE_SET_ASSOC; i++) begin
+        for (int unsigned i = 0; i < ariane_pkg::DCACHE_SET_ASSOC; i++) begin
             if (in[i])
                 return i;
         end