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3 commits

Author SHA1 Message Date
Marcelina Kościelnicka 8bdc019730 verilog: Emit $meminit_v2 cell. 
Fixes #2447.
 2021-07-28 23:18:38 +02:00
Marcelina Kościelnicka a3528649c8 memory_dff: Remove now-useless write port handling. 2021-03-08 20:16:29 +01:00
Marcelina Kościelnicka 7670a89e1f opt_clean: Better memory handling. 
Previously, `$memwr` and `$meminit` cells were always preserved (along
with the memory itself).  With this change, they are instead part of the
main cell mark-and-sweep pass: a memory (and its `$meminit` and `$memwr`
cells) is only preserved iff any associated `$memrd` cell needs to be
preserved.
 2020-10-08 18:05:51 +02:00