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Add 'setundef -zero' call prior to aigmap in abc9

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Eddie Hung
2019-04-09 10:32:58 -07:00
parent 3b6f85b0a6
commit bd523abef5
1 changed files with 4 additions and 0 deletions
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4
passes/techmap/abc9.cc
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@@ -403,6 +403,10 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
RTLIL::Selection& sel = design->selection_stack.back(); RTLIL::Selection& sel = design->selection_stack.back();
sel.select(module); sel.select(module);
// Adopt same behaviour as abc
// TODO: How to specify don't-care to abc9?
Pass::call(design, "setundef -zero");
Pass::call(design, "aigmap"); Pass::call(design, "aigmap");
handle_loops(design); handle_loops(design);