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

[Shengchen Kan via cfe-commits]

KanRobert wrote:

> How easy would it be to add an option for this to update inline asm? I'm not asking you to do this here, I just want to know if this approach would make it straightforward to add in the future.

Should we touch the inline asm? (GCC doesn't  https://godbolt.org/z/o9MM9br95.

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