[llvm] [X86][MC] Added support for -msse2avx option in llvm-mc (PR #96860)

[Fangrui Song via llvm-commits]

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@@ -55,6 +55,7 @@ class MCTargetOptions {
   bool ShowMCEncoding : 1;
   bool ShowMCInst : 1;
   bool AsmVerbose : 1;
+  bool SSE2AVX : 1;
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MaskRay wrote:

This may be placed after `X86RelaxRelocations` to make x86-specific options together

https://github.com/llvm/llvm-project/pull/96860