yosys/tests/arch/ecp5/bug1459.ys

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2020-01-06 18:22:22 -06:00
read_verilog <<EOT
module register_file(
input wire clk,
input wire write_enable,
input wire [63:0] write_data,
input wire [4:0] write_reg,
input wire [4:0] read1_reg,
output reg [63:0] read1_data,
);
reg [63:0] registers[0:31];
always @(posedge clk) begin
if (write_enable == 1'b1) begin
registers[write_reg] <= write_data;
end
end
always @(all) begin
read1_data <= registers[read1_reg];
end
endmodule
EOT
synth_ecp5 -abc9