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Preserve param signedness across overrides.

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nella 2026-05-12 12:01:11 +02:00 • committed by nella
parent 14dbf70074
commit ad912bc787
1 changed files with 7 additions and 2 deletions
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9
frontends/ast/ast.cc
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@ -1875,8 +1875,13 @@ std::string AstModule::derive_common(RTLIL::Design *design, const dict<RTLIL::Id
child->children[0]->realvalue = std::stod(it->second.decode_string());
} else if ((it->second.flags & RTLIL::CONST_FLAG_STRING) != 0)
child->children[0] = AstNode::mkconst_str(loc, it->second.decode_string());
else
child->children[0] = AstNode::mkconst_bits(loc, it->second.to_bits(), (it->second.flags & RTLIL::CONST_FLAG_SIGNED) != 0, (it->second.flags & RTLIL::CONST_FLAG_UNSIZED) != 0);
else {
bool is_signed = child->is_signed;
if (!is_signed && !child->children.empty() && child->children[0] && child->children[0]->type == AST_CONSTANT)
is_signed = child->children[0]->is_signed;
is_signed = is_signed || ((it->second.flags & RTLIL::CONST_FLAG_SIGNED) != 0);
child->children[0] = AstNode::mkconst_bits(loc, it->second.to_bits(), is_signed, (it->second.flags & RTLIL::CONST_FLAG_UNSIZED) != 0);
}
rewritten.insert(it->first);
}