hdl.ast: don't crash on Mux(<bool>, ...).

Fixes #240.
2019-10-02 08:24:37 +00:00 · 2019-10-02 08:24:37 +00:00 · 9458de2079
commit 9458de2079
parent d139f340b3
2 changed files with 6 additions and 1 deletions
--- a/nmigen/hdl/ast.py
+++ b/nmigen/hdl/ast.py
@ -526,8 +526,9 @@ def Mux(sel, val1, val0):
    Value, out
        Output ``Value``. If ``sel`` is asserted, the Mux returns ``val1``, else ``val0``.
    """
+    sel = Value.wrap(sel)
    if len(sel) != 1:
-        sel = Value.wrap(sel).bool()
+        sel = sel.bool()
    return Operator("m", [sel, val1, val0])