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Add latch inference msg severity option.

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This commit is contained in:
nella 2026-06-15 14:17:02 +02:00
parent 8869ce61dc
commit 7473fcf939
4 changed files with 97 additions and 7 deletions
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13
passes/proc/proc.cc
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@ -69,10 +69,14 @@ struct ProcPass : public Pass {
log(" -noopt\n");
log(" Will omit the opt_expr pass.\n");
log("\n");
log(" -latches <auto|warn|error>\n");
log(" controls how the inference of a latch is reported.\n");
log("\n");
}
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
std::string global_arst;
std::string latches;
bool ifxmode = false;
bool nomux = false;
bool noopt = false;
@ -104,6 +108,10 @@ struct ProcPass : public Pass {
norom = true;
continue;
}
if (args[argidx] == "-latches" && argidx+1 < args.size()) {
latches = args[++argidx];
continue;
}
break;
}
extra_args(args, argidx, design);
@ -121,7 +129,10 @@ struct ProcPass : public Pass {
Pass::call(design, "proc_rom");
if (!nomux)
Pass::call(design, ifxmode ? "proc_mux -ifx" : "proc_mux");
Pass::call(design, "proc_dlatch");
if (latches.empty())
Pass::call(design, "proc_dlatch");
else
Pass::call(design, "proc_dlatch -latches " + latches);
Pass::call(design, "proc_dff");
Pass::call(design, "proc_memwr");
Pass::call(design, "proc_clean");