diff options
| -rw-r--r-- | passes/cmds/select.cc | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/passes/cmds/select.cc b/passes/cmds/select.cc index 59f936b0..38d43f8d 100644 --- a/passes/cmds/select.cc +++ b/passes/cmds/select.cc @@ -595,6 +595,13 @@ static void select_stmt(RTLIL::Design *design, std::string arg) select_op_diff(design, work_stack[work_stack.size()-2], work_stack[work_stack.size()-1]); work_stack.pop_back(); } else + if (arg == "%D") { + if (work_stack.size() < 2) + log_cmd_error("Must have at least two elements on the stack for operator %%d.\n"); + select_op_diff(design, work_stack[work_stack.size()-1], work_stack[work_stack.size()-2]); + work_stack[work_stack.size()-2] = work_stack[work_stack.size()-1]; + work_stack.pop_back(); + } else if (arg == "%i") { if (work_stack.size() < 2) log_cmd_error("Must have at least two elements on the stack for operator %%i.\n"); @@ -606,14 +613,19 @@ 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_submod(design, work_stack[work_stack.size()-1]); } else + if (arg == "%c") { + if (work_stack.size() < 1) + log_cmd_error("Must have at least one element on the stack for operator %%c.\n"); + work_stack.push_back(work_stack.back()); + } else if (arg == "%m") { if (work_stack.size() < 1) - log_cmd_error("Must have at least one element on the stack for operator %%s.\n"); + log_cmd_error("Must have at least one element on the stack for operator %%m.\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"); + log_cmd_error("Must have at least one element on the stack for operator %%a.\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')))) { @@ -958,6 +970,12 @@ struct SelectPass : public Pass { log(" %%d\n"); log(" pop the top set from the stack and subtract it from the new top\n"); log("\n"); + log(" %%D\n"); + log(" like %%d but swap the roles of two top sets on the stack\n"); + log("\n"); + log(" %%c\n"); + log(" create a copy of the top set rom the stack and push it\n"); + log("\n"); log(" %%x[<num1>|*][.<num2>][:<rule>[:<rule>..]]\n"); log(" expand top set <num1> num times according to the specified rules.\n"); log(" (i.e. select all cells connected to selected wires and select all\n"); |