From: whitequark <cz@m-labs.hk>
Date: Sun, 16 Dec 2018 17:41:42 +0000 (+0000)
Subject: compat.fhdl.structure: only convert to bool in If/Elif if necessary.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9f40681fadcc8e217bb337276fa44a71df67ef0d;p=nmigen.git

compat.fhdl.structure: only convert to bool in If/Elif if necessary.
---

diff --git a/nmigen/compat/fhdl/structure.py b/nmigen/compat/fhdl/structure.py
index 1743df2..c00f033 100644
--- a/nmigen/compat/fhdl/structure.py
+++ b/nmigen/compat/fhdl/structure.py
@@ -30,12 +30,16 @@ def Constant(value, bits_sign=None):
 class If(ast.Switch):
     @deprecated("instead of `If(cond, ...)`, use `with m.If(cond): ...`")
     def __init__(self, cond, *stmts):
-        cond = Value.wrap(cond).bool()
+        cond = Value.wrap(cond)
+        if len(cond) != 1:
+            cond = cond.bool()
         super().__init__(cond, {"1": ast.Statement.wrap(stmts)})
 
     @deprecated("instead of `.Elif(cond, ...)`, use `with m.Elif(cond): ...`")
     def Elif(self, cond, *stmts):
-        cond = Value.wrap(cond).bool()
+        cond = Value.wrap(cond)
+        if len(cond) != 1:
+            cond = cond.bool()
         self.cases = OrderedDict(("-" + k, v) for k, v in self.cases.items())
         self.cases["1" + "-" * len(self.test)] = ast.Statement.wrap(stmts)
         self.test = Cat(self.test, cond)