yosys/tests/various/struct_access.sv

44 lines
813 B
Systemverilog

module dut();
typedef struct packed {
logic a;
logic b;
} sub_sub_struct_t;
typedef struct packed {
sub_sub_struct_t c;
} sub_struct_t;
typedef struct packed {
sub_struct_t d;
sub_struct_t e;
} struct_t;
parameter struct_t P = 4'b1100;
localparam sub_struct_t f = P.d;
localparam sub_struct_t g = P.e;
localparam sub_sub_struct_t h = f.c;
localparam logic i = P.d.c.a;
localparam logic j = P.d.c.b;
localparam x = P.e;
localparam y = x.c;
localparam z = y.a;
localparam q = P.d;
localparam n = q.c.a;
always_comb begin
assert(P == 4'b1100);
assert(f == 2'b11);
assert(g == 2'b00);
assert(h == 2'b11);
assert(i == 1'b1);
assert(j == 1'b1);
assert(x == 2'b00);
assert(y == 2'b00);
assert(x.c == 2'b00);
assert(y.b == 1'b0);
assert(n == 1'b1);
assert(z == 1'b0);
end
endmodule