[PATCH] D143471: [X86][MC][NFC] Refine code in X86MCCodeEmitter.cpp about opcode prefix

[Augusto Noronha via Phabricator via llvm-commits]

augusto2112 added a comment.

I think uabelho is right about the promotion. According to the standard: "The operand of ~ shall have integral or unscoped enumeration type; the result is the ones’ complement of its operand. **Integral promotions are performed**."


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