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-rw-r--r--backends/aiger/xaiger.cc24
-rw-r--r--passes/techmap/abc9.cc5
-rw-r--r--passes/techmap/abc9_map.cc18
-rw-r--r--passes/techmap/abc9_ops.cc85
4 files changed, 59 insertions, 73 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index 7ef744d04..32b218a22 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -239,17 +239,13 @@ struct XAigerWriter
RTLIL::Module* inst_module = module->design->module(cell->type);
if (inst_module) {
- bool abc9_box = inst_module->attributes.count("\\abc9_box_id");
- bool abc9_flop = inst_module->get_bool_attribute("\\abc9_flop");
- if (abc9_box && cell->get_bool_attribute("\\abc9_keep"))
- abc9_box = false;
-
- if (abc9_box) {
- int abc9_box_order = cell->attributes.at("\\abc9_box_order").as_int();
- if (GetSize(box_list) <= abc9_box_order)
- box_list.resize(abc9_box_order+1);
- box_list[abc9_box_order] = cell;
- if (!abc9_flop)
+ auto it = cell->attributes.find("\\abc9_box_seq");
+ if (it != cell->attributes.end()) {
+ int abc9_box_seq = it->second.as_int();
+ if (GetSize(box_list) <= abc9_box_seq)
+ box_list.resize(abc9_box_seq+1);
+ box_list[abc9_box_seq] = cell;
+ if (!inst_module->get_bool_attribute("\\abc9_flop"))
continue;
}
@@ -542,6 +538,8 @@ struct XAigerWriter
int box_count = 0;
for (auto cell : box_list) {
+ log_assert(cell);
+
RTLIL::Module* box_module = module->design->module(cell->type);
log_assert(box_module);
@@ -611,7 +609,7 @@ struct XAigerWriter
f.write(buffer_str.data(), buffer_str.size());
if (holes_module) {
- log_push();
+ log_module(holes_module);
std::stringstream a_buffer;
XAigerWriter writer(holes_module);
@@ -622,8 +620,6 @@ struct XAigerWriter
int32_t buffer_size_be = to_big_endian(buffer_str.size());
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
f.write(buffer_str.data(), buffer_str.size());
-
- log_pop();
}
}
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 0da815870..d51ed3352 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -186,7 +186,10 @@ struct Abc9Pass : public ScriptPass
void script() YS_OVERRIDE
{
run("scc -set_attr abc9_scc_id {}");
- run("abc9_ops -break_scc -prep_holes");
+ if (help_mode)
+ run("abc9_ops -break_scc -prep_holes [-dff]", "(option for -dff)");
+ else
+ run("abc9_ops -break_scc -prep_holes" + std::string(dff_mode ? " -dff" : ""), "(option for -dff)");
run("select -set abc9_holes A:abc9_holes");
run("flatten -wb @abc9_holes");
run("techmap @abc9_holes");
diff --git a/passes/techmap/abc9_map.cc b/passes/techmap/abc9_map.cc
index 171289c6d..d007dbcc2 100644
--- a/passes/techmap/abc9_map.cc
+++ b/passes/techmap/abc9_map.cc
@@ -355,28 +355,14 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *module, std::string scrip
if (markgroups) remap_wire->attributes[ID(abcgroup)] = map_autoidx;
}
- dict<IdString, bool> abc9_box;
vector<RTLIL::Cell*> boxes;
for (auto cell : cells) {
if (cell->type.in(ID($_AND_), ID($_NOT_), ID($__ABC9_FF_))) {
module->remove(cell);
continue;
}
- auto jt = abc9_box.find(cell->type);
- if (jt == abc9_box.end()) {
- RTLIL::Module* box_module = design->module(cell->type);
- jt = abc9_box.insert(std::make_pair(cell->type, box_module && box_module->attributes.count(ID(abc9_box_id)))).first;
- }
- if (jt->second) {
- auto kt = cell->attributes.find("\\abc9_keep");
- bool abc9_keep = false;
- if (kt != cell->attributes.end()) {
- abc9_keep = kt->second.as_bool();
- cell->attributes.erase(kt);
- }
- if (!abc9_keep)
- boxes.emplace_back(cell);
- }
+ if (cell->attributes.erase("\\abc9_box_seq"))
+ boxes.emplace_back(cell);
}
dict<SigBit, pool<IdString>> bit_drivers, bit_users;
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index 2f07de8d4..ab5aa9f8d 100644
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -109,39 +109,31 @@ void prep_dff(RTLIL::Module *module)
typedef SigSpec clkdomain_t;
dict<clkdomain_t, int> clk_to_mergeability;
- //if (dff_mode)
- for (auto cell : module->selected_cells()) {
- if (cell->type != "$__ABC9_FF_")
- continue;
+ for (auto cell : module->selected_cells()) {
+ if (cell->type != "$__ABC9_FF_")
+ continue;
- Wire *abc9_clock_wire = module->wire(stringf("%s.clock", cell->name.c_str()));
- if (abc9_clock_wire == NULL)
- log_error("'%s.clock' is not a wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
- SigSpec abc9_clock = assign_map(abc9_clock_wire);
-
- clkdomain_t key(abc9_clock);
-
- auto r = clk_to_mergeability.insert(std::make_pair(abc9_clock, clk_to_mergeability.size() + 1));
- auto r2 YS_ATTRIBUTE(unused) = cell->attributes.insert(std::make_pair(ID(abc9_mergeability), r.first->second));
- log_assert(r2.second);
-
- Wire *abc9_init_wire = module->wire(stringf("%s.init", cell->name.c_str()));
- if (abc9_init_wire == NULL)
- log_error("'%s.init' is not a wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
- log_assert(GetSize(abc9_init_wire) == 1);
- SigSpec abc9_init = assign_map(abc9_init_wire);
- if (!abc9_init.is_fully_const())
- log_error("'%s.init' is not a constant wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
- r2 = cell->attributes.insert(std::make_pair(ID(abc9_init), abc9_init.as_const()));
- log_assert(r2.second);
- }
- //else
- // for (auto cell : module->selected_cells()) {
- // auto inst_module = design->module(cell->type);
- // if (!inst_module || !inst_module->get_bool_attribute("\\abc9_flop"))
- // continue;
- // cell->set_bool_attribute("\\abc9_keep");
- // }
+ Wire *abc9_clock_wire = module->wire(stringf("%s.clock", cell->name.c_str()));
+ if (abc9_clock_wire == NULL)
+ log_error("'%s.clock' is not a wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ SigSpec abc9_clock = assign_map(abc9_clock_wire);
+
+ clkdomain_t key(abc9_clock);
+
+ auto r = clk_to_mergeability.insert(std::make_pair(abc9_clock, clk_to_mergeability.size() + 1));
+ auto r2 YS_ATTRIBUTE(unused) = cell->attributes.insert(std::make_pair(ID(abc9_mergeability), r.first->second));
+ log_assert(r2.second);
+
+ Wire *abc9_init_wire = module->wire(stringf("%s.init", cell->name.c_str()));
+ if (abc9_init_wire == NULL)
+ log_error("'%s.init' is not a wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ log_assert(GetSize(abc9_init_wire) == 1);
+ SigSpec abc9_init = assign_map(abc9_init_wire);
+ if (!abc9_init.is_fully_const())
+ log_error("'%s.init' is not a constant wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ r2 = cell->attributes.insert(std::make_pair(ID(abc9_init), abc9_init.as_const()));
+ log_assert(r2.second);
+ }
RTLIL::Module *holes_module = design->module(stringf("%s$holes", module->name.c_str()));
if (holes_module) {
@@ -188,7 +180,7 @@ void prep_dff(RTLIL::Module *module)
}
}
-void prep_holes(RTLIL::Module *module)
+void prep_holes(RTLIL::Module *module, bool dff)
{
auto design = module->design;
log_assert(design);
@@ -204,10 +196,15 @@ void prep_holes(RTLIL::Module *module)
continue;
auto inst_module = module->design->module(cell->type);
- bool abc9_box = inst_module && inst_module->attributes.count("\\abc9_box_id") && !cell->get_bool_attribute("\\abc9_keep");
- abc9_box_seen = abc9_box_seen || abc9_box;
-
- if (!abc9_box && !yosys_celltypes.cell_known(cell->type))
+ bool abc9_box = inst_module && inst_module->attributes.count("\\abc9_box_id");
+ bool abc9_flop = false;
+ if (abc9_box) {
+ abc9_flop = inst_module->get_bool_attribute("\\abc9_flop");
+ if (abc9_flop && !dff)
+ continue;
+ abc9_box_seen = abc9_box;
+ }
+ else if (!yosys_celltypes.cell_known(cell->type))
continue;
for (auto conn : cell->connections()) {
@@ -215,7 +212,7 @@ void prep_holes(RTLIL::Module *module)
for (auto bit : sigmap(conn.second))
bit_users[bit].insert(cell->name);
- if (cell->output(conn.first))
+ if (cell->output(conn.first) && !abc9_flop)
for (auto bit : sigmap(conn.second))
bit_drivers[bit].insert(cell->name);
}
@@ -255,8 +252,7 @@ void prep_holes(RTLIL::Module *module)
log_assert(cell);
RTLIL::Module* box_module = design->module(cell->type);
- if (!box_module || !box_module->attributes.count("\\abc9_box_id")
- || cell->get_bool_attribute("\\abc9_keep"))
+ if (!box_module || !box_module->attributes.count("\\abc9_box_id"))
continue;
bool blackbox = box_module->get_blackbox_attribute(true /* ignore_wb */);
@@ -297,7 +293,7 @@ void prep_holes(RTLIL::Module *module)
}
}
- cell->attributes["\\abc9_box_order"] = box_list.size();
+ cell->attributes["\\abc9_box_seq"] = box_list.size();
box_list.emplace_back(cell);
}
log_assert(!box_list.empty());
@@ -437,6 +433,7 @@ struct Abc9OpsPass : public Pass {
bool unbreak_scc_mode = false;
bool prep_dff_mode = false;
bool prep_holes_mode = false;
+ bool dff_mode = false;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
@@ -457,6 +454,10 @@ struct Abc9OpsPass : public Pass {
prep_holes_mode = true;
continue;
}
+ if (arg == "-dff") {
+ dff_mode = true;
+ continue;
+ }
break;
}
extra_args(args, argidx, design);
@@ -479,7 +480,7 @@ struct Abc9OpsPass : public Pass {
if (prep_dff_mode)
prep_dff(mod);
if (prep_holes_mode)
- prep_holes(mod);
+ prep_holes(mod, dff_mode);
}
}
} Abc9OpsPass;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 01:09:34 +0000