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| author | Claire Xen <claire@symbioticeda.com> | 2020-11-25 09:44:23 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-25 09:44:23 +0100 |
| commit | cf67e6a3977410e039d62a1e9f6c49c42cb97b08 (patch) | |
| tree | 66475213fd27ac129f8a03eabf6131aae69730ba /tests/various/dynamic_part_select/latch_002_gate.v | |
| parent | c6b5b18a30278637dcea4f9867631540b818716c (diff) | |
| parent | d68a8f9e2b20d9c4120a69e1a632a2d86250be86 (diff) | |
| download | yosys-cf67e6a3977410e039d62a1e9f6c49c42cb97b08.tar.gz yosys-cf67e6a3977410e039d62a1e9f6c49c42cb97b08.tar.bz2 yosys-cf67e6a3977410e039d62a1e9f6c49c42cb97b08.zip | |
Merge pull request #2133 from dh73/nodev_head
Adding latch tests for shift&mask AST dynamic part-select enhancements
Diffstat (limited to 'tests/various/dynamic_part_select/latch_002_gate.v')
| -rw-r--r-- | tests/various/dynamic_part_select/latch_002_gate.v | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/various/dynamic_part_select/latch_002_gate.v b/tests/various/dynamic_part_select/latch_002_gate.v new file mode 100644 index 000000000..4acf129c6 --- /dev/null +++ b/tests/various/dynamic_part_select/latch_002_gate.v @@ -0,0 +1,18 @@ +`default_nettype none +module latch_002_gate(dword, vect, sel, st); + output reg [63:0] dword; + input wire [7:0] vect; + input wire [7:0] sel; + input wire st; + reg [63:0] mask; + reg [63:0] data; + always @* + case (|(st)) + 1'b 1: + begin + mask = (8'b 11111111)<<((((8)*(sel)))+(0)); + data = ((8'b 11111111)&(vect[7:0]))<<((((8)*(sel)))+(0)); + dword <= ((dword)&(~(mask)))|(data); + end + endcase +endmodule |