diff options
Diffstat (limited to 'frontends/ast/ast.cc')
| -rw-r--r-- | frontends/ast/ast.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc index a45859157..3e163bae7 100644 --- a/frontends/ast/ast.cc +++ b/frontends/ast/ast.cc @@ -699,7 +699,7 @@ AstNode *AstNode::mkconst_bits(const std::vector<RTLIL::State> &v, bool is_signe for (size_t i = 0; i < 32; i++) { if (i < node->bits.size()) node->integer |= (node->bits[i] == RTLIL::S1) << i; - else if (is_signed) + else if (is_signed && !node->bits.empty()) node->integer |= (node->bits.back() == RTLIL::S1) << i; } node->range_valid = true; @@ -831,7 +831,7 @@ double AstNode::asReal(bool is_signed) { RTLIL::Const val(bits); - bool is_negative = is_signed && val.bits.back() == RTLIL::State::S1; + bool is_negative = is_signed && !val.bits.empty() && val.bits.back() == RTLIL::State::S1; if (is_negative) val = const_neg(val, val, false, false, val.bits.size()); |