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back.pysim: Eliminate duplicate dict lookup in VCD update

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This commit is contained in:
Stuart Olsen 2020-04-06 22:22:45 -07:00 committed by whitequark
parent 2398b7922e
commit 1e744097ab
1 changed files with 3 additions and 2 deletions
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5
nmigen/back/pysim.py
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@ -132,7 +132,8 @@ class _VCDWaveformWriter(_WaveformWriter):
self.gtkw_names[signal] = (*var_scope, var_name_suffix)
def update(self, timestamp, signal, value):
if signal not in self.vcd_vars:
vcd_vars = self.vcd_vars.get(signal)
if vcd_vars is None:
return
vcd_timestamp = self.timestamp_to_vcd(timestamp)
@ -140,7 +141,7 @@ class _VCDWaveformWriter(_WaveformWriter):
var_value = self.decode_to_vcd(signal, value)
else:
var_value = value
for vcd_var in self.vcd_vars[signal]:
for vcd_var in vcd_vars:
self.vcd_writer.change(vcd_var, vcd_timestamp, var_value)
def close(self, timestamp):