SharePass Struct Reference

Inheritance diagram for SharePass:

Collaboration diagram for SharePass:

Public Member Functions
	SharePass ()
virtual void	help ()
virtual void	execute (std::vector< std::string > args, RTLIL::Design *design)
pre_post_exec_state_t	pre_execute ()
void	post_execute (pre_post_exec_state_t state)
void	cmd_log_args (const std::vector< std::string > &args)
void	cmd_error (const std::vector< std::string > &args, size_t argidx, std::string msg)
void	extra_args (std::vector< std::string > args, size_t argidx, RTLIL::Design *design, bool select=true)
virtual void	run_register ()

Static Public Member Functions
static void	call (RTLIL::Design *design, std::string command)
static void	call (RTLIL::Design *design, std::vector< std::string > args)
static void	call_on_selection (RTLIL::Design *design, const RTLIL::Selection &selection, std::string command)
static void	call_on_selection (RTLIL::Design *design, const RTLIL::Selection &selection, std::vector< std::string > args)
static void	call_on_module (RTLIL::Design *design, RTLIL::Module *module, std::string command)
static void	call_on_module (RTLIL::Design *design, RTLIL::Module *module, std::vector< std::string > args)
static void	init_register ()
static void	done_register ()

Data Fields
std::string	pass_name
std::string	short_help
int	call_counter
int64_t	runtime_ns
Pass *	next_queued_pass

Detailed Description

Definition at line 1350 of file share.cc.

Constructor & Destructor Documentation

SharePass::SharePass ( )

inline

Definition at line 1351 of file share.cc.

: Pass("share", "perform sat-based resource sharing") { }

Member Function Documentation

void Pass::call ( RTLIL::Design *  design, std::string  command  )

staticinherited

Definition at line 146 of file register.cc.

{
    std::vector<std::string> args;

    std::string cmd_buf = command;
    std::string tok = next_token(cmd_buf, " \t\r\n");

    if (tok.empty() || tok[0] == '#')
        return;

    if (tok[0] == '!') {
        cmd_buf = command.substr(command.find('!') + 1);
        while (!cmd_buf.empty() && (cmd_buf.back() == ' ' || cmd_buf.back() == '\t' ||
                cmd_buf.back() == '\r' || cmd_buf.back() == '\n'))
            cmd_buf.resize(cmd_buf.size()-1);
        log_header("Shell command: %s\n", cmd_buf.c_str());
        int retCode = run_command(cmd_buf);
        if (retCode != 0)
            log_cmd_error("Shell command returned error code %d.\n", retCode);
        return;
    }

    while (!tok.empty()) {
        if (tok == "#")
            break;
        if (tok.back() == ';') {
            int num_semikolon = 0;
            while (!tok.empty() && tok.back() == ';')
                tok.resize(tok.size()-1), num_semikolon++;
            if (!tok.empty())
                args.push_back(tok);
            call(design, args);
            args.clear();
            if (num_semikolon == 2)
                call(design, "clean");
            if (num_semikolon == 3)
                call(design, "clean -purge");
        } else
            args.push_back(tok);
        tok = next_token(cmd_buf, " \t\r\n");
    }

    call(design, args);
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Pass::call ( RTLIL::Design *  design, std::vector< std::string >  args  )

staticinherited

Definition at line 191 of file register.cc.

{
    if (args.size() == 0 || args[0][0] == '#')
        return;

    if (echo_mode) {
        log("%s", create_prompt(design, 0));
        for (size_t i = 0; i < args.size(); i++)
            log("%s%s", i ? " " : "", args[i].c_str());
        log("\n");
    }

    if (pass_register.count(args[0]) == 0)
        log_cmd_error("No such command: %s (type 'help' for a command overview)\n", args[0].c_str());

    size_t orig_sel_stack_pos = design->selection_stack.size();
    auto state = pass_register[args[0]]->pre_execute();
    pass_register[args[0]]->execute(args, design);
    pass_register[args[0]]->post_execute(state);
    while (design->selection_stack.size() > orig_sel_stack_pos)
        design->selection_stack.pop_back();

    design->check();
}

Here is the call graph for this function:

void Pass::call_on_module ( RTLIL::Design *  design, RTLIL::Module *  module, std::string  command  )

staticinherited

Definition at line 240 of file register.cc.

{
    std::string backup_selected_active_module = design->selected_active_module;
    design->selected_active_module = module->name.str();
    design->selection_stack.push_back(RTLIL::Selection(false));
    design->selection_stack.back().select(module);

    Pass::call(design, command);

    design->selection_stack.pop_back();
    design->selected_active_module = backup_selected_active_module;
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Pass::call_on_module ( RTLIL::Design *  design, RTLIL::Module *  module, std::vector< std::string >  args  )

staticinherited

Definition at line 253 of file register.cc.

{
    std::string backup_selected_active_module = design->selected_active_module;
    design->selected_active_module = module->name.str();
    design->selection_stack.push_back(RTLIL::Selection(false));
    design->selection_stack.back().select(module);

    Pass::call(design, args);

    design->selection_stack.pop_back();
    design->selected_active_module = backup_selected_active_module;
}

Here is the call graph for this function:

void Pass::call_on_selection ( RTLIL::Design *  design, const RTLIL::Selection &  selection, std::string  command  )

staticinherited

Definition at line 216 of file register.cc.

{
    std::string backup_selected_active_module = design->selected_active_module;
    design->selected_active_module.clear();
    design->selection_stack.push_back(selection);

    Pass::call(design, command);

    design->selection_stack.pop_back();
    design->selected_active_module = backup_selected_active_module;
}

Here is the call graph for this function:

void Pass::call_on_selection ( RTLIL::Design *  design, const RTLIL::Selection &  selection, std::vector< std::string >  args  )

staticinherited

Definition at line 228 of file register.cc.

{
    std::string backup_selected_active_module = design->selected_active_module;
    design->selected_active_module.clear();
    design->selection_stack.push_back(selection);

    Pass::call(design, args);

    design->selection_stack.pop_back();
    design->selected_active_module = backup_selected_active_module;
}

Here is the call graph for this function:

void Pass::cmd_error ( const std::vector< std::string > &  args, size_t  argidx, std::string  msg  )

inherited

Definition at line 110 of file register.cc.

{
    std::string command_text;
    int error_pos = 0;

    for (size_t i = 0; i < args.size(); i++) {
        if (i < argidx)
            error_pos += args[i].size() + 1;
        command_text = command_text + (command_text.empty() ? "" : " ") + args[i];
    }

    log("\nSyntax error in command `%s':\n", command_text.c_str());
    help();

    log_cmd_error("Command syntax error: %s\n> %s\n> %*s^\n",
            msg.c_str(), command_text.c_str(), error_pos, "");
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Pass::cmd_log_args ( const std::vector< std::string > &  args )

inherited

Definition at line 100 of file register.cc.

{
    if (args.size() <= 1)
        return;
    log("Full command line:");
    for (size_t i = 0; i < args.size(); i++)
        log(" %s", args[i].c_str());
    log("\n");
}

Here is the call graph for this function:

void Pass::done_register ( )

staticinherited

Definition at line 62 of file register.cc.

{
    frontend_register.clear();
    pass_register.clear();
    backend_register.clear();
    log_assert(first_queued_pass == NULL);
}

Here is the caller graph for this function:

virtual void SharePass::execute ( std::vector< std::string >  args, RTLIL::Design *  design  )

inlinevirtual

Implements Pass.

Definition at line 1384 of file share.cc.

    {
        ShareWorkerConfig config;

        config.limit = -1;
        config.opt_force = false;
        config.opt_aggressive = false;
        config.opt_fast = false;

        config.generic_uni_ops.insert("$not");
        // config.generic_uni_ops.insert("$pos");
        config.generic_uni_ops.insert("$neg");

        config.generic_cbin_ops.insert("$and");
        config.generic_cbin_ops.insert("$or");
        config.generic_cbin_ops.insert("$xor");
        config.generic_cbin_ops.insert("$xnor");

        config.generic_bin_ops.insert("$shl");
        config.generic_bin_ops.insert("$shr");
        config.generic_bin_ops.insert("$sshl");
        config.generic_bin_ops.insert("$sshr");

        config.generic_bin_ops.insert("$lt");
        config.generic_bin_ops.insert("$le");
        config.generic_bin_ops.insert("$eq");
        config.generic_bin_ops.insert("$ne");
        config.generic_bin_ops.insert("$eqx");
        config.generic_bin_ops.insert("$nex");
        config.generic_bin_ops.insert("$ge");
        config.generic_bin_ops.insert("$gt");

        config.generic_cbin_ops.insert("$add");
        config.generic_cbin_ops.insert("$mul");

        config.generic_bin_ops.insert("$sub");
        config.generic_bin_ops.insert("$div");
        config.generic_bin_ops.insert("$mod");
        // config.generic_bin_ops.insert("$pow");

        config.generic_uni_ops.insert("$logic_not");
        config.generic_cbin_ops.insert("$logic_and");
        config.generic_cbin_ops.insert("$logic_or");

        config.generic_other_ops.insert("$alu");
        config.generic_other_ops.insert("$macc");

        log_header("Executing SHARE pass (SAT-based resource sharing).\n");

        size_t argidx;
        for (argidx = 1; argidx < args.size(); argidx++) {
            if (args[argidx] == "-force") {
                config.opt_force = true;
                continue;
            }
            if (args[argidx] == "-aggressive") {
                config.opt_aggressive = true;
                continue;
            }
            if (args[argidx] == "-fast") {
                config.opt_fast = true;
                continue;
            }
            if (args[argidx] == "-limit" && argidx+1 < args.size()) {
                config.limit = atoi(args[++argidx].c_str());
                continue;
            }
            break;
        }
        extra_args(args, argidx, design);

        for (auto &mod_it : design->modules_)
            if (design->selected(mod_it.second))
                ShareWorker(config, design, mod_it.second);
    }

Here is the call graph for this function:

void Pass::extra_args ( std::vector< std::string >  args, size_t  argidx, RTLIL::Design *  design, bool  select = true  )

inherited

Definition at line 128 of file register.cc.

{
    for (; argidx < args.size(); argidx++)
    {
        std::string arg = args[argidx];

        if (arg.substr(0, 1) == "-")
            cmd_error(args, argidx, "Unknown option or option in arguments.");

        if (!select)
            cmd_error(args, argidx, "Extra argument.");

        handle_extra_select_args(this, args, argidx, args.size(), design);
        break;
    }
    // cmd_log_args(args);
}

Here is the call graph for this function:

virtual void SharePass::help ( )

inlinevirtual

Reimplemented from Pass.

Definition at line 1352 of file share.cc.

    {
        //   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
        log("\n");
        log("    share [options] [selection]\n");
        log("\n");
        log("This pass merges shareable resources into a single resource. A SAT solver\n");
        log("is used to determine if two resources are share-able.\n");
        log("\n");
        log("  -force\n");
        log("    Per default the selection of cells that is considered for sharing is\n");
        log("    narrowed using a list of cell types. With this option all selected\n");
        log("    cells are considered for resource sharing.\n");
        log("\n");
        log("    IMPORTANT NOTE: If the -all option is used then no cells with internal\n");
        log("    state must be selected!\n");
        log("\n");
        log("  -aggressive\n");
        log("    Per default some heuristics are used to reduce the number of cells\n");
        log("    considered for resource sharing to only large resources. This options\n");
        log("    turns this heuristics off, resulting in much more cells being considered\n");
        log("    for resource sharing.\n");
        log("\n");
        log("  -fast\n");
        log("    Only consider the simple part of the control logic in SAT solving, resulting\n");
        log("    in much easier SAT problems at the cost of maybe missing some oportunities\n");
        log("    for resource sharing.\n");
        log("\n");
        log("  -limit N\n");
        log("    Only perform the first N merges, then stop. This is useful for debugging.\n");
        log("\n");
    }

Here is the call graph for this function:

void Pass::init_register ( )

staticinherited

Definition at line 54 of file register.cc.

{
    while (first_queued_pass) {
        first_queued_pass->run_register();
        first_queued_pass = first_queued_pass->next_queued_pass;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Pass::post_execute ( Pass::pre_post_exec_state_t  state )

inherited

Definition at line 84 of file register.cc.

{
    int64_t time_ns = PerformanceTimer::query() - state.begin_ns;
    runtime_ns += time_ns;
    current_pass = state.parent_pass;
    if (current_pass)
        current_pass->runtime_ns -= time_ns;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Pass::pre_post_exec_state_t Pass::pre_execute ( )

inherited

Definition at line 74 of file register.cc.

{
    pre_post_exec_state_t state;
    call_counter++;
    state.begin_ns = PerformanceTimer::query();
    state.parent_pass = current_pass;
    current_pass = this;
    return state;
}

Here is the call graph for this function:

Here is the caller graph for this function:

void Pass::run_register ( )

virtualinherited

Reimplemented in Backend, and Frontend.

Definition at line 48 of file register.cc.

{
    log_assert(pass_register.count(pass_name) == 0);
    pass_register[pass_name] = this;
}

Here is the caller graph for this function:

Field Documentation

int Pass::call_counter

inherited

Definition at line 36 of file register.h.

Pass* Pass::next_queued_pass

inherited

Definition at line 60 of file register.h.

std::string Pass::pass_name

inherited

Definition at line 29 of file register.h.

int64_t Pass::runtime_ns

inherited

Definition at line 37 of file register.h.

std::string Pass::short_help

inherited

Definition at line 29 of file register.h.

---

The documentation for this struct was generated from the following file:

• share.cc