File: constraint_syn.sail

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sail-ocaml 0.19.1%2Bdfsg5-1
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default Order dec
$include <prelude.sail>

$option --instantiate xlen=32

type xlen : Int

constraint xlen in {32, 64}

type is_32 : Bool = xlen == 32

type s_xlen : Int = xlen

val test : (bool(is_32), bits(s_xlen)) -> unit

function test(b: bool(is_32), xs: bits(s_xlen)) -> unit = {
  ()
}

val main : unit -> unit

function main() = {
  if sizeof(xlen) == 32 then {
    test(true, 0xFFFF_FFFF)
  };
  if constraint(is_32) then {
    ()
  }
}