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Added support for task and function args in parentheses

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This commit is contained in:
Clifford Wolf 2014-10-27 13:21:57 +01:00
parent c4a2b3c1e9
commit f9c096eeda
2 changed files with 80 additions and 7 deletions
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36
tests/simple/task_func.v
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@ -33,8 +33,42 @@ end
endmodule
// -------------------------------------------------------------------
module task_func_test02( input [7:0] din_a, input [7:0] din_b, output [7:0] dout_a);
module task_func_test02(clk, a, b, c, x, y, z, w);
input clk;
input [7:0] a, b, c;
output reg [7:0] x, y, z, w;
function [7:0] sum_shift(input [3:0] s1, s2, s3);
sum_shift = s1 + (s2 << 2) + (s3 << 4);
endfunction
task reset_w;
w = 0;
endtask
task add_to(output [7:0] out, input [7:0] in);
out = out + in;
endtask
always @(posedge clk) begin
x = sum_shift(a, b, c);
y = sum_shift(a[7:4], b[5:2], c[3:0]);
z = sum_shift(a[0], b[5:4], c >> 5) ^ sum_shift(1, 2, 3);
reset_w;
add_to(w, x);
add_to(w, y);
add_to(w, z);
end
endmodule
// -------------------------------------------------------------------
module task_func_test03( input [7:0] din_a, input [7:0] din_b, output [7:0] dout_a);
assign dout_a = test(din_a,din_b);
function [7:0] test;
input [7:0] a;