diff options
| author | Clifford Wolf <clifford@clifford.at> | 2013-11-04 06:04:42 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-11-04 06:04:42 +0100 |
| commit | 472117d532c50f8973ad5c02463dcd36e4649f67 (patch) | |
| tree | c5096d68035d3dfef0474a43bfa220a9f5f2551f /frontends/ast/genrtlil.cc | |
| parent | cd0fe7d7860f490b43cacb37752fe9bf983e2279 (diff) | |
further improved early width and sign detection in ast simplifier
Diffstat (limited to 'frontends/ast/genrtlil.cc')
| -rw-r--r-- | frontends/ast/genrtlil.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index ab22b865..b8bd2bff 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -665,9 +665,12 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint) break; case AST_MEMRD: - if (!is_signed) + if (!id2ast->is_signed) sign_hint = false; - width_hint = std::max(width_hint, current_module->memories.at(str)->width); + if (!id2ast->children[0]->range_valid) + log_error("Failed to detect with of memory access `%s' at %s:%d!\n", str.c_str(), filename.c_str(), linenum); + this_width = id2ast->children[0]->range_left - id2ast->children[0]->range_right + 1; + width_hint = std::max(width_hint, this_width); break; // everything should have been handled above -> print error if not. |