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-rw-r--r--passes/opt/wreduce.cc2
-rw-r--r--passes/sat/clk2fflogic.cc7
-rw-r--r--passes/techmap/attrmap.cc19
-rw-r--r--passes/techmap/techmap.cc3
4 files changed, 30 insertions, 1 deletions
diff --git a/passes/opt/wreduce.cc b/passes/opt/wreduce.cc
index f749c8249..1fbc41082 100644
--- a/passes/opt/wreduce.cc
+++ b/passes/opt/wreduce.cc
@@ -497,7 +497,7 @@ struct WreducePass : public Pass {
log(" flows that use the 'memory_memx' pass.\n");
log("\n");
log(" -keepdc\n");
- log(" Do not optimize explicit don't-care values on $mux cells.\n");
+ log(" Do not optimize explicit don't-care values.\n");
log("\n");
}
void execute(std::vector<std::string> args, Design *design) YS_OVERRIDE
diff --git a/passes/sat/clk2fflogic.cc b/passes/sat/clk2fflogic.cc
index 49ec795d3..4bb4aa047 100644
--- a/passes/sat/clk2fflogic.cc
+++ b/passes/sat/clk2fflogic.cc
@@ -253,6 +253,13 @@ struct Clk2fflogicPass : public Pass {
SigSpec qval = module->Mux(NEW_ID, past_q, past_d, clock_edge);
Const rstval = cell->parameters["\\ARST_VALUE"];
+ Wire *past_arst = module->addWire(NEW_ID);
+ module->addFf(NEW_ID, arst, past_arst);
+ if (cell->parameters["\\ARST_POLARITY"].as_bool())
+ arst = module->LogicOr(NEW_ID, arst, past_arst);
+ else
+ arst = module->LogicAnd(NEW_ID, arst, past_arst);
+
if (cell->parameters["\\ARST_POLARITY"].as_bool())
module->addMux(NEW_ID, qval, rstval, arst, sig_q);
else
diff --git a/passes/techmap/attrmap.cc b/passes/techmap/attrmap.cc
index aa48e1125..a38638e0b 100644
--- a/passes/techmap/attrmap.cc
+++ b/passes/techmap/attrmap.cc
@@ -263,6 +263,25 @@ struct AttrmapPass : public Pass {
for (auto cell : module->selected_cells())
attrmap_apply(stringf("%s.%s", log_id(module), log_id(cell)), actions, cell->attributes);
+
+ for (auto proc : module->processes)
+ {
+ if (!design->selected(module, proc.second))
+ continue;
+ attrmap_apply(stringf("%s.%s", log_id(module), log_id(proc.first)), actions, proc.second->attributes);
+
+ std::vector<RTLIL::CaseRule*> all_cases = {&proc.second->root_case};
+ while (!all_cases.empty()) {
+ RTLIL::CaseRule *cs = all_cases.back();
+ all_cases.pop_back();
+ attrmap_apply(stringf("%s.%s (case)", log_id(module), log_id(proc.first)), actions, cs->attributes);
+
+ for (auto &sw : cs->switches) {
+ attrmap_apply(stringf("%s.%s (switch)", log_id(module), log_id(proc.first)), actions, sw->attributes);
+ all_cases.insert(all_cases.end(), sw->cases.begin(), sw->cases.end());
+ }
+ }
+ }
}
}
}
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index ab0bd3b54..ceb053825 100644
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -649,10 +649,13 @@ struct TechmapWorker
unique_bit_id[bit] = unique_bit_id_counter++;
}
+ // Find highest bit set
int bits = 0;
for (int i = 0; i < 32; i++)
if (((unique_bit_id_counter-1) & (1 << i)) != 0)
bits = i;
+ // Increment index by one to get number of bits
+ bits++;
if (tpl->avail_parameters.count("\\_TECHMAP_BITS_CONNMAP_"))
parameters["\\_TECHMAP_BITS_CONNMAP_"] = bits;