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

[Fangrui Song via llvm-commits]

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@@ -0,0 +1,80 @@
+# RUN: llvm-mc -triple x86_64-unknown-unknown -x86-asm-syntax=intel -msse2avx %s | FileCheck %s
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MaskRay wrote:

`-triple=x86_64` is sufficient and makes the line shorter

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