[clang] [llvm] [AArch64] Fix _sys implemantation and MRS/MSR Sema checks (PR #187290)

[via cfe-commits]

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@@ -14,7 +14,7 @@
 
 // From winnt.h
 #define ARM64_SYSREG(op0, op1, crn, crm, op2) \
-        ( ((op0 & 1) << 14) | \
+        ( ((op0 & 3) << 14) | \
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Lukacma wrote:

Ah I didn't think about that I will adjust the patch

https://github.com/llvm/llvm-project/pull/187290