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Add CONST_FLAG_UNSIZED

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In order to support unsized constants being used as parameters, the `const` struct needs to know if it is unsized (so that the parameter can be used to set the size).
Add unsized flag to param value serialization and rtlil back-/front-end.
Add cell params to `tests/rtlil/everything.v`.
This commit is contained in:
Krystine Sherwin 2025-11-07 17:45:07 +13:00
parent e4c5900acd
commit 7302bf9a66
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5 changed files with 39 additions and 8 deletions
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17
tests/rtlil/everything.v
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@ -38,3 +38,20 @@ module foo(
assign b = bb;
assign y = a + bb;
endmodule
module set_param #(
parameter [3:0] VALUE = 1'bx
) (
output logic [3:0] out
);
assign out = VALUE;
endmodule
module use_param (
output logic [3:0] a, b, c, d
);
set_param #($signed(1)) spa (a);
set_param #('1) spb (b);
set_param #(1.1) spc (c);
set_param #(1'b1) spd (d);
endmodule