[PATCH] D90441: [X86] Add support for vex, vex2, vex3, and evex for MASM

[LiuChen via Phabricator via llvm-commits]

LiuChen3 created this revision.
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LiuChen3 requested review of this revision.

For MASM syntax, the prefixes are not enclosed in braces.
The assembly code should like:

  "evex vcvtps2pd xmm0, xmm1"

There are still some avx512 tests need to be improved with 'evex'
prefix. But I think it's better to discuss this syntax first.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90441

Files:
  clang/test/CodeGen/X86/ms-inline-asm-prefix.c
  llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
  llvm/lib/Target/X86/MCTargetDesc/X86ATTInstPrinter.cpp
  llvm/lib/Target/X86/MCTargetDesc/X86InstPrinterCommon.cpp
  llvm/lib/Target/X86/MCTargetDesc/X86IntelInstPrinter.cpp

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