WHIRL jalapenos with lime juice, canola oil, allspice, dried thyme and 3/4 tsp salt in a food processor until finely chopped. Transfer to a medium bowl and add pork chops. Turn until pork is well coated. Set aside.
STIR pineapple with red onion, bell pepper, mint, lime juice, canola oil and 1/4 tsp salt in a medium bowl.
OIL grill. Barbecue pork chops, lid open, 3 to 4 min. Flip pork chops and brush with remaining marinade. Continue grilling until no pink remains, 3 more min. Let rest, 5 min. Serve with pineapple salsa.