Adobo-Marinated Pork Tenderloin with Grilled-Pineapple Salsa

2 teaspoons black pepper

2 teaspoons dried oregano

2 teaspoons ground cumin

1 1/2 teaspoons salt

6 garlic cloves, crushed

2 pounds pork tenderloin

1 1/2 teaspoons olive oil Cooking spray

1/4 cup coarsely chopped fresh cilantro

2 tablespoons finely chopped green onions Grilled Pineapple Salsa:

5 (1-inch) slices fresh pineapple (about 4 1/2 pounds)

1 red bell pepper

1 yellow bell pepper Cooking spray

1/2 cup finely chopped red onion

1/2 cup chopped fresh cilantro

3 tablespoons fresh lime juice

1 tablespoon brown sugar

1 1/2 teaspoons minced crystallized ginger

2 jalapeño peppers, seeded and minced

1 drained canned chipotle chile in adobo sauce, minced