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| author | Clifford Wolf <clifford@clifford.at> | 2019-08-19 13:04:06 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2019-08-19 13:04:06 +0200 |
| commit | 1e3dd0a2da1c8a6a34d2a664f938a90fc83e81a9 (patch) | |
| tree | 7b7830c5da434964fd40792c393c45a31b8ad080 /tests/opt/opt_share_diff_port_widths.v | |
| parent | f20be90436b32e853d68c7e102a65d43f3843d91 (diff) | |
| parent | 3edb0abed88565447d5193f78261400655aa843a (diff) | |
| download | yosys-1e3dd0a2da1c8a6a34d2a664f938a90fc83e81a9.tar.gz yosys-1e3dd0a2da1c8a6a34d2a664f938a90fc83e81a9.tar.bz2 yosys-1e3dd0a2da1c8a6a34d2a664f938a90fc83e81a9.zip | |
Merge branch 'master' of github.com:YosysHQ/yosys into clifford/pmgen
Diffstat (limited to 'tests/opt/opt_share_diff_port_widths.v')
| -rw-r--r-- | tests/opt/opt_share_diff_port_widths.v | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/opt/opt_share_diff_port_widths.v b/tests/opt/opt_share_diff_port_widths.v new file mode 100644 index 000000000..1a37c80a6 --- /dev/null +++ b/tests/opt/opt_share_diff_port_widths.v @@ -0,0 +1,21 @@ +module opt_share_test( + input [15:0] a, + input [15:0] b, + input [15:0] c, + input [1:0] sel, + output reg [15:0] res + ); + + wire [15:0] add0_res = a+b; + wire [15:0] add1_res = a+c; + + always @* begin + case(sel) + 0: res = add0_res[10:0]; + 1: res = add1_res[10:0]; + 2: res = a - b; + default: res = 32'bx; + endcase + end + +endmodule |