Revert "[X86] Support avx/avx2 by default."

gmh5225 · gmh5225 · commit 09da8c03d861 · 2023-09-05T19:30:01.000+08:00
This reverts commit 06c5aee.
diff --git a/llvm/lib/TargetParser/X86TargetParser.cpp b/llvm/lib/TargetParser/X86TargetParser.cpp
@@ -633,8 +633,6 @@ void llvm::X86::getFeaturesForCPU(StringRef CPU,
   Bits |= FeatureSSE3;
   Bits |= FeatureSSE4_1;
   Bits |= FeatureSSE4_2;
-  Bits |= FeatureAVX;
-  Bits |= FeatureAVX2;
   Bits |= FeatureINVPCID;
   Bits |= FeatureRTM;
 #endif
