aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/cost.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/cost.h')
-rw-r--r--kernel/cost.h51
1 files changed, 2 insertions, 49 deletions
diff --git a/kernel/cost.h b/kernel/cost.h
index e795b571b..7d7822fa0 100644
--- 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);
}