[PATCH] D90009: [X86] VEX/EVEX prefix doesn't work for inline assembly.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Target/X86/MCTargetDesc/X86InstPrinterCommon.cpp:354
+  else if (Flags & X86::Force_VEX2Encoding)
+    O << "\t{vex2}";
+  else if (Flags & X86::Force_VEX3Encoding)
----------------
craig.topper wrote:
> Is it important that we use {vex2} instead of just treating it as {vex}?
I guess we'd actually have to print {vex2} instead of {vex} for compatibility with older versions of GNU assember that don't support {vex}. So I guess maybe they should be different as much as I hate wasting flags


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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90009/new/

https://reviews.llvm.org/D90009