back.rtlil: fix off-by-one in Part legalization.

Fixes #52.
2019-03-28 05:12:02 +00:00 · 2019-03-28 05:12:02 +00:00 · a57c72d606
parent 3c95299c4e
commit a57c72d606
1 changed files with 1 additions and 1 deletions
--- a/nmigen/back/rtlil.py
+++ b/nmigen/back/rtlil.py
@ -571,7 +571,7 @@ class _LHSValueCompiler(_ValueCompiler):
        if isinstance(offset, ast.Const):
            return self(ast.Slice(value.value, offset.value, offset.value + value.width))
        else:
-            raise LegalizeValue(value.offset, range((1 << len(value.offset)) - 1))
+            raise LegalizeValue(value.offset, range((1 << len(value.offset))))

    def on_Repl(self, value):
        raise TypeError # :nocov: