diff options
author | Ruben Undheim <ruben.undheim@gmail.com> | 2019-10-18 19:56:51 +0000 |
---|---|---|
committer | Ruben Undheim <ruben.undheim@gmail.com> | 2019-10-18 19:56:51 +0000 |
commit | 1f6bb85359149a016811e7e7fef980c3d45211e7 (patch) | |
tree | 749672f9a104cbfb25bb02acad6cb731724b9d56 /tests/sat/counters-repeat.v | |
parent | ff5734b20220e6fb4a3913cf5279ed94bb5156ea (diff) |
New upstream version 0.9
Diffstat (limited to 'tests/sat/counters-repeat.v')
-rw-r--r-- | tests/sat/counters-repeat.v | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/sat/counters-repeat.v b/tests/sat/counters-repeat.v new file mode 100644 index 00000000..2ea45499 --- /dev/null +++ b/tests/sat/counters-repeat.v @@ -0,0 +1,38 @@ +// coverage for repeat loops outside of constant functions + +module counter1(clk, rst, ping); + input clk, rst; + output ping; + reg [31:0] count; + + always @(posedge clk) begin + if (rst) + count <= 0; + else + count <= count + 1; + end + + assign ping = &count; +endmodule + +module counter2(clk, rst, ping); + input clk, rst; + output ping; + reg [31:0] count; + + integer i; + reg carry; + + always @(posedge clk) begin + carry = 1; + i = 0; + repeat (32) begin + count[i] <= !rst & (count[i] ^ carry); + carry = count[i] & carry; + i = i+1; + end + end + + assign ping = &count; +endmodule + |