mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-08-06 03:10:26 +00:00
Code Activity

proc_prune: promote assigns to module connections when legal.

Browse source 
This can pave the way for further transformations by exposing
identities that were previously hidden in a process to any pass that
uses SigMap. Indeed, this commit removes some ad-hoc logic from
proc_init that appears to have been tailored to the output of
genrtlil in favor of using `SigMap.apply()`. (This removal is not
optional, as the ad-hoc logic cannot cope with the result of running
proc_prune; a similar issue was fixed in proc_arst.)
This commit is contained in:
whitequark 2019-07-09 08:14:52 +00:00
parent 5fe0ffe30f
commit 44bcb7a187
3 changed files with 42 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

2
passes/proc/proc_arst.cc
View file

@ -172,7 +172,7 @@ restart_proc_arst:
sync->type = sync->type == RTLIL::SyncType::STp ? RTLIL::SyncType::ST1 : RTLIL::SyncType::ST0;
}
for (auto &action : sync->actions) {
RTLIL::SigSpec rspec = action.second;
RTLIL::SigSpec rspec = assign_map(action.second);
RTLIL::SigSpec rval = RTLIL::SigSpec(RTLIL::State::Sm, rspec.size());
for (int i = 0; i < GetSize(rspec); i++)
if (rspec[i].wire == NULL)