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Added %a select operator

This commit is contained in:
Clifford Wolf 2014-02-08 16:31:38 +01:00
parent 6644f80d97
commit 0c11d04144
1 changed files with 32 additions and 0 deletions
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32
passes/cmds/select.cc
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@ -19,6 +19,7 @@
#include "kernel/register.h"
#include "kernel/celltypes.h"
#include "kernel/sigtools.h"
#include "kernel/log.h"
#include <string.h>
#include <fnmatch.h>
@ -195,6 +196,28 @@ static void select_op_fullmod(RTLIL::Design *design, RTLIL::Selection &lhs)
lhs.selected_members.clear();
}
static void select_op_alias(RTLIL::Design *design, RTLIL::Selection &lhs)
{
for (auto &mod_it : design->modules)
{
if (lhs.selected_whole_module(mod_it.first))
continue;
if (!lhs.selected_module(mod_it.first))
continue;
SigMap sigmap(mod_it.second);
SigPool selected_bits;
for (auto &it : mod_it.second->wires)
if (lhs.selected_member(mod_it.first, it.first))
selected_bits.add(sigmap(it.second));
for (auto &it : mod_it.second->wires)
if (!lhs.selected_member(mod_it.first, it.first) && selected_bits.check_any(sigmap(it.second)))
lhs.selected_members[mod_it.first].insert(it.first);
}
}
static void select_op_union(RTLIL::Design*, RTLIL::Selection &lhs, const RTLIL::Selection &rhs)
{
if (rhs.full_selection) {
@ -581,6 +604,11 @@ static void select_stmt(RTLIL::Design *design, std::string arg)
log_cmd_error("Must have at least one element on the stack for operator %%s.\n");
select_op_fullmod(design, work_stack[work_stack.size()-1]);
} else
if (arg == "%a") {
if (work_stack.size() < 1)
log_cmd_error("Must have at least one element on the stack for operator %%s.\n");
select_op_alias(design, work_stack[work_stack.size()-1]);
} else
if (arg == "%x" || (arg.size() > 2 && arg.substr(0, 2) == "%x" && (arg[2] == ':' || arg[2] == '*' || arg[2] == '.' || ('0' <= arg[2] && arg[2] <= '9')))) {
if (work_stack.size() < 1)
log_cmd_error("Must have at least one element on the stack for operator %%x.\n");
@ -940,6 +968,10 @@ struct SelectPass : public Pass {
log(" %%co[<num1>|*][.<num2>][:<rule>[:<rule>..]]\n");
log(" simmilar to %%x, but only select input (%%ci) or output cones (%%co)\n");
log("\n");
log(" %%a\n");
log(" expand top set by selecting all wires that are (at least in part)\n");
log(" aliases for selected wires.\n");
log("\n");
log(" %%s\n");
log(" expand top set by adding all modules of instantiated cells in selected\n");
log(" modules\n");