If you don't want to tinker with WINE or Porting Kit, you have two nuclear options. These are for users who need 100% stability.
Technically, no. EA has not recompiled the game. However, The Sims Medieval: Definitive Edition (a rebranded version of the base game + DLC) that appears on some storefronts now includes a 64-bit wrapper. sims medieval mac 64 bit