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lib.coding: remove GrayDecoder apparent comb loop for consistency

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Emil J 2022-11-03 12:51:26 +01:00 committed by GitHub
parent beb1b38c1a
commit db24a14b57
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1 changed files with 4 additions and 3 deletions
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7
amaranth/lib/coding.py
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@ -178,7 +178,8 @@ class GrayDecoder(Elaboratable):
def elaborate(self, platform):
m = Module()
m.d.comb += self.o[-1].eq(self.i[-1])
for i in reversed(range(self.width - 1)):
m.d.comb += self.o[i].eq(self.o[i + 1] ^ self.i[i])
rhs = Const(0)
for i in reversed(range(self.width)):
rhs = rhs ^ self.i[i]
m.d.comb += self.o[i].eq(rhs)
return m