From 9e49a65aa01e79b85a35d1dd15f45ee89e3e9906 Mon Sep 17 00:00:00 2001 From: James Pollard Date: Thu, 18 Jun 2020 00:01:11 +0100 Subject: Fix array semantics behaviour for undefined values. --- src/verilog/Verilog.v | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/verilog') diff --git a/src/verilog/Verilog.v b/src/verilog/Verilog.v index d20ffcd..4144632 100644 --- a/src/verilog/Verilog.v +++ b/src/verilog/Verilog.v @@ -80,7 +80,7 @@ Definition merge_arrs (new : assocmap_arr) (old : assocmap_arr) : assocmap_arr : Definition arr_assocmap_lookup (a : assocmap_arr) (r : reg) (i : nat) : option value := match a ! r with | None => None - | Some arr => Option.join (array_get_error i arr) + | Some arr => Some (Option.default (NToValue 32 0) (Option.join (array_get_error i arr))) end. Definition arr_assocmap_set (r : reg) (i : nat) (v : value) (a : assocmap_arr) : assocmap_arr := -- cgit