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

[Shengchen Kan via llvm-commits]

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@@ -5186,6 +5187,10 @@ def mrelax_all : Flag<["-"], "mrelax-all">, Group<m_Group>,
   Visibility<[ClangOption, CC1Option, CC1AsOption]>,
   HelpText<"(integrated-as) Relax all machine instructions">,
   MarshallingInfoFlag<CodeGenOpts<"RelaxAll">>;
+def msse2avx : Flag<["-"], "msse2avx">, Group<m_Group>,
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KanRobert wrote:

m_x86_Features_Group

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