diff options
Diffstat (limited to 'frontends/ast/genrtlil.cc')
| -rw-r--r-- | frontends/ast/genrtlil.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index bdc34d490..2d591b29d 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -644,7 +644,7 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *foun while (right_at_zero_ast->simplify(true, true, false, 1, -1, false, false)) { } if (left_at_zero_ast->type != AST_CONSTANT || right_at_zero_ast->type != AST_CONSTANT) log_file_error(filename, linenum, "Unsupported expression on dynamic range select on signal `%s'!\n", str.c_str()); - this_width = left_at_zero_ast->integer - right_at_zero_ast->integer + 1; + this_width = abs(int(left_at_zero_ast->integer - right_at_zero_ast->integer)) + 1; delete left_at_zero_ast; delete right_at_zero_ast; } else @@ -1034,7 +1034,7 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) while (right_at_zero_ast->simplify(true, true, false, 1, -1, false, false)) { } if (left_at_zero_ast->type != AST_CONSTANT || right_at_zero_ast->type != AST_CONSTANT) log_file_error(filename, linenum, "Unsupported expression on dynamic range select on signal `%s'!\n", str.c_str()); - int width = left_at_zero_ast->integer - right_at_zero_ast->integer + 1; + int width = abs(int(left_at_zero_ast->integer - right_at_zero_ast->integer)) + 1; AstNode *fake_ast = new AstNode(AST_NONE, clone(), children[0]->children.size() >= 2 ? children[0]->children[1]->clone() : children[0]->children[0]->clone()); fake_ast->children[0]->delete_children(); |