[PATCH] D49912: [X86] MCA tests for XCHG* and CMPXCHG* instructions

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

https://godbolt.org/g/xHjSKt



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Comment at: test/tools/llvm-mca/X86/Atom/resources-x86_64.s:676-677
+xchgb %bl, %cl
+xchgb %al, (%rbx)
+xchgb %bl, (%rbx)
+
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http://felixcloutier.com/x86/XCHG.html suggests that memory operand can be on either side,
so this needs to be repeated with swapped order.


https://reviews.llvm.org/D49912