diff options
-rw-r--r-- | frontends/ast/simplify.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 9e797573c..969cc2302 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1365,6 +1365,8 @@ skip_dynamic_range_lvalue_expansion:; log_error("Failed to evaluate system function `%s' with non-constant value at %s:%d.\n", str.c_str(), filename.c_str(), linenum); RTLIL::Const arg_value = buf->bitsAsConst(); + if (arg_value.as_bool()) + arg_value = const_sub(arg_value, 1, false, false, SIZE(arg_value)); delete buf; uint32_t result = 0; |