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back.pysim: implement modulus operator.

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Stuart Olsen 2020-03-14 22:22:03 -07:00 • committed by GitHub
parent 4601dd0a69
commit 7b9c8b440f
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nmigen/back/pysim.py
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@ -363,6 +363,7 @@ class _ValueCompiler(ValueVisitor, _Compiler):
helpers = {
"sign": lambda value, sign: value | sign if value & sign else value,
"zdiv": lambda lhs, rhs: 0 if rhs == 0 else lhs // rhs,
"zmod": lambda lhs, rhs: 0 if rhs == 0 else lhs % rhs,
}
def on_ClockSignal(self, value):
@ -448,6 +449,8 @@ class _RHSValueCompiler(_ValueCompiler):
return f"({sign(lhs)} * {sign(rhs)})"
if value.operator == "//":
return f"zdiv({sign(lhs)}, {sign(rhs)})"
if value.operator == "%":
return f"zmod({sign(lhs)}, {sign(rhs)})"
if value.operator == "&":
return f"({self(lhs)} & {self(rhs)})"
if value.operator == "|":