"comment" => "allocate space on stack",
"reg_req" => { "in" => [ "esp", "gp" ], "out" => [ "esp", "none" ] },
"outs" => [ "stack", "M" ],
"comment" => "allocate space on stack",
"reg_req" => { "in" => [ "esp", "gp" ], "out" => [ "esp", "none" ] },
"outs" => [ "stack", "M" ],