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sim._pyrtl: fix miscompilation of -(Const(0b11, 2).as_signed()).

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Fixes #473.
This commit is contained in:
whitequark 2020-08-26 04:15:26 +00:00
parent 0802f943ba
commit cb81618c28
2 changed files with 9 additions and 1 deletions
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2
nmigen/sim/_pyrtl.py
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@ -116,7 +116,7 @@ class _RHSValueCompiler(_ValueCompiler):
if value.operator == "~":
return f"(~{self(arg)})"
if value.operator == "-":
return f"(-{self(arg)})"
return f"(-{sign(arg)})"
if value.operator == "b":
return f"bool({mask(arg)})"
if value.operator == "r|":