[llvm] [X86][MC] Support Enc/Dec for EGPR for promoted SHA instruction (PR #75582)

[Shengchen Kan via llvm-commits]

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@@ -0,0 +1,10 @@
+# RUN: llvm-mc --disassemble %s -triple=x86_64 | FileCheck %s --check-prefixes=ATT
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KanRobert wrote:

I have a justification... 

We used to organize the test by cpuid. But the folder name `apx` here is the already about  cpuid, and we have so many instructions for apx, if we put it into a test file, it would be very huge. 

https://github.com/llvm/llvm-project/pull/75582