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Merge pull request #5473 from YosysHQ/krys/unsized_params

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Handle unsized params
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KrystalDelusion 2025-11-12 07:14:44 +13:00 • committed by GitHub
commit 529886f7fb
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8 changed files with 72 additions and 12 deletions
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10
frontends/ast/simplify.cc
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@ -2265,9 +2265,13 @@ bool AstNode::simplify(bool const_fold, int stage, int width_hint, bool sign_hin
}
if (children[0]->type == AST_CONSTANT) {
if (width != int(children[0]->bits.size())) {
RTLIL::SigSpec sig(children[0]->bits);
sig.extend_u0(width, children[0]->is_signed);
children[0] = mkconst_bits(location, sig.as_const().to_bits(), is_signed);
RTLIL::Const val;
if (children[0]->is_unsized) {
val = children[0]->bitsAsUnsizedConst(width);
} else {
val = children[0]->bitsAsConst(width);
}
children[0] = mkconst_bits(location, val.to_bits(), is_signed);
fixup_hierarchy_flags();
}
children[0]->is_signed = is_signed;