Merge remote-tracking branch 'origin/master' into xaig

[yosys.git] / kernel / cost.h

diff --git a/kernel/cost.h b/kernel/cost.h
index e795b571bd0b0b27905738c0c231af7f2ba472c4..7d7822fa035563025750453dcae3b57cd639e2ae 100644 (file)
--- a/kernel/cost.h
+++ b/kernel/cost.h
@@ -27,56 +27,9 @@ YOSYS_NAMESPACE_BEGIN
 int get_cell_cost(RTLIL::Cell *cell, dict<RTLIL::IdString, int> *mod_cost_cache = nullptr);
 
 int get_cell_cost(RTLIL::IdString type, const dict<RTLIL::IdString, RTLIL::Const> &parameters = dict<RTLIL::IdString, RTLIL::Const>(),
-               RTLIL::Design *design = nullptr, dict<RTLIL::IdString, int> *mod_cost_cache = nullptr)
-{
-       static dict<RTLIL::IdString, int> gate_cost = {
-               { "$_BUF_",    1 },
-               { "$_NOT_",    2 },
-               { "$_AND_",    4 },
-               { "$_NAND_",   4 },
-               { "$_OR_",     4 },
-               { "$_NOR_",    4 },
-               { "$_ANDNOT_", 4 },
-               { "$_ORNOT_",  4 },
-               { "$_XOR_",    8 },
-               { "$_XNOR_",   8 },
-               { "$_AOI3_",   6 },
-               { "$_OAI3_",   6 },
-               { "$_AOI4_",   8 },
-               { "$_OAI4_",   8 },
-               { "$_MUX_",    4 }
-       };
-
-       if (gate_cost.count(type))
-               return gate_cost.at(type);
-
-       if (parameters.empty() && design && design->module(type))
-       {
-               RTLIL::Module *mod = design->module(type);
-
-               if (mod->attributes.count("\\cost"))
-                       return mod->attributes.at("\\cost").as_int();
-
-               dict<RTLIL::IdString, int> local_mod_cost_cache;
-               if (mod_cost_cache == nullptr)
-                       mod_cost_cache = &local_mod_cost_cache;
-
-               if (mod_cost_cache->count(mod->name))
-                       return mod_cost_cache->at(mod->name);
-
-               int module_cost = 1;
-               for (auto c : mod->cells())
-                       module_cost += get_cell_cost(c, mod_cost_cache);
-
-               (*mod_cost_cache)[mod->name] = module_cost;
-               return module_cost;
-       }
-
-       log_warning("Can't determine cost of %s cell (%d parameters).\n", log_id(type), GetSize(parameters));
-       return 1;
-}
+               RTLIL::Design *design = nullptr, dict<RTLIL::IdString, int> *mod_cost_cache = nullptr);
 
-int get_cell_cost(RTLIL::Cell *cell, dict<RTLIL::IdString, int> *mod_cost_cache)
+inline int get_cell_cost(RTLIL::Cell *cell, dict<RTLIL::IdString, int> *mod_cost_cache)
 {
        return get_cell_cost(cell->type, cell->parameters, cell->module->design, mod_cost_cache);
 }