peepopt: handle offset too large in shiftadd
#4165
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If the offset is larger than the signal itself, meaning the signal is completely shifted out, it tried to extract a negative amount of bits from the old signal. This RTL pattern is suspicious since it is a complicated way of arriving at a constant value, so we warn the user.
povik
reviewed
Jan 29, 2024
|
Removed the unnecessary comment, should be ready to merge. |
povik
approved these changes
Jan 31, 2024
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Fixes #4160
If the offset is larger than the signal itself, meaning the signal is completely shifted out,
it tried to extract a negative amount of bits from the old signal.
This RTL pattern is suspicious since it is a complicated way of arriving at a constant value, so we warn the user.