[PATCH] D142797: [X86] Make `prefetchit{0/1}` emit an assembler warning if the operand is not rip-rel

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n added a comment.

In D142797#4088581 <https://reviews.llvm.org/D142797#4088581>, @craig.topper wrote:

> Why not do this in X86AsmParser::validateInstruction?

AFAICT it only throws fatal errors.


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https://reviews.llvm.org/D142797