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fix errant untyped localparam substitution

This commit is contained in:
Zachary Snow 2021-07-10 14:38:06 -04:00
parent 103db6741f
commit 2f7128428e
3 changed files with 13 additions and 3 deletions
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2
src/Convert/Interface.hs
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@ -570,7 +570,7 @@ inlineInstance global ranges modportBindings items partName
makeParameterBind (x, Left t) =
ParamType Localparam (paramTmp ++ x) t
makeParameterBind (x, Right e) =
Param Localparam (TypeOf e) (paramTmp ++ x) e
Param Localparam UnknownType (paramTmp ++ x) e
overrideParam :: Decl -> Decl
overrideParam (Param Parameter t x e) =

2
src/Convert/Simplify.hs
View File

@ -36,8 +36,6 @@ traverseDeclM decl = do
case decl' of
Param Localparam UnknownType x e ->
insertExpr x e
Param Localparam (Implicit _ [(RawNum 31, RawNum 0)]) x e ->
insertExpr x e
Param Localparam (Implicit sg rs) x e ->
insertExpr x $ Cast (Left t) e
where t = IntegerVector TLogic sg rs

12
test/basic/simplify_type.sv Normal file
View File

@ -0,0 +1,12 @@
module top;
localparam _1B1 = 1'b1;
localparam _1SB1 = 1'sb1;
localparam [31:0] _1B1_EXT = 1'b1;
localparam [31:0] _1SB1_EXT = 1'sb1;
initial begin
$display("%d", $clog2({_1B1, 1'b0}));
$display("%d", $clog2({_1SB1, 1'b0}));
$display("%d", $clog2({_1B1_EXT, 1'b0}));
$display("%d", $clog2({_1SB1_EXT, 1'b0}));
end
endmodule