diff options
| author | David Shah <dave@ds0.me> | 2019-08-30 13:57:15 +0100 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2019-08-30 13:57:15 +0100 |
| commit | 6919c0f9b010c94a0a1a31cd788301e78a1bcbfb (patch) | |
| tree | 4780799b6c1dc1d150b80aa142e6c53e06760cb3 /tests/opt/opt_share_diff_port_widths.v | |
| parent | edff79a25a802e5b1816608b48e3ac335ad87147 (diff) | |
| parent | 694e30a35426b9582a1f2db730528d4d34305795 (diff) | |
| download | yosys-6919c0f9b010c94a0a1a31cd788301e78a1bcbfb.tar.gz yosys-6919c0f9b010c94a0a1a31cd788301e78a1bcbfb.tar.bz2 yosys-6919c0f9b010c94a0a1a31cd788301e78a1bcbfb.zip | |
Merge branch 'master' into xc7dsp
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 |