yosys/tests/silimate/opt_vps_byte_write_ref.sv

20 lines
586 B
Systemverilog

// Reference: equivalent design WITHOUT variable-part-select.
module opt_vps_byte_write (
input logic clk,
input logic wr_en,
input logic [1:0] lane,
input logic [7:0] wdata,
output logic [31:0] q
);
logic [31:0] reg_data;
always_ff @(posedge clk)
if (wr_en)
case (lane)
2'd0: reg_data[ 7: 0] <= wdata;
2'd1: reg_data[15: 8] <= wdata;
2'd2: reg_data[23:16] <= wdata;
2'd3: reg_data[31:24] <= wdata;
endcase
assign q = reg_data;
endmodule