hdl.ast: hash-cons ValueKey.
authorwhitequark <cz@m-labs.hk>
Thu, 8 Aug 2019 10:56:23 +0000 (10:56 +0000)
committerwhitequark <cz@m-labs.hk>
Thu, 8 Aug 2019 10:56:53 +0000 (10:56 +0000)
commitb7957b00ae545f007560e4089c966ae106c523a4
tree5b32bcc80bacfc3e65d6946e347dc452fa5aabc0
parenta984c472886d1ed33a44611c12f39340d82dde31
hdl.ast: hash-cons ValueKey.

This speeds up elaboration by ~10%.
nmigen/hdl/ast.py