3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-06 01:24:10 +00:00
yosys/tests/simple/func_block.v
Claire Xenia Wolf 15fb0107dc Fix "make vgtest" so it runs to the end (but now it fails ;)
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
2021-09-23 14:54:28 +02:00

34 lines
736 B
Verilog

`default_nettype none
module func_block_top(inp, out1, out2, out3);
input wire [31:0] inp;
function automatic [31:0] func1;
input [31:0] inp;
reg [31:0] idx;
for (idx = 0; idx < 32; idx = idx + 1) begin : blk
func1[idx] = (idx & 1'b1) ^ inp[idx];
end
endfunction
function automatic [31:0] func2;
input [31:0] inp;
reg [31:0] idx;
for (idx = 0; idx < 32; idx = idx + 1) begin : blk
func2[idx] = (idx & 1'b1) ^ inp[idx];
end
endfunction
function automatic [31:0] func3;
localparam A = 32 - 1;
parameter B = 1 - 0;
input [31:0] inp;
func3[A:B] = inp[A:B];
endfunction
output wire [31:0] out1, out2, out3;
assign out1 = func1(inp);
assign out2 = func2(inp);
assign out3 = func3(inp);
endmodule