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Added nosync attribute and some async reset related fixes

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This commit is contained in:
Clifford Wolf 2013-03-25 17:13:14 +01:00
parent 3737964809
commit 227520f94d
5 changed files with 27 additions and 34 deletions
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5
passes/proc/proc_arst.cc
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@ -150,6 +150,11 @@ static void proc_arst(RTLIL::Module *mod, RTLIL::Process *proc, SigMap &assign_m
for (auto &action : sync->actions) {
RTLIL::SigSpec rspec = action.second;
RTLIL::SigSpec rval = RTLIL::SigSpec(RTLIL::State::Sm, rspec.width);
rspec.expand(), rval.expand();
for (int i = 0; i < int(rspec.chunks.size()); i++)
if (rspec.chunks[i].wire == NULL)
rval.chunks[i] = rspec.chunks[i];
rspec.optimize(), rval.optimize();
RTLIL::SigSpec last_rval;
for (int count = 0; rval != last_rval; count++) {
last_rval = rval;