[PATCH] D122448: Revert "[X86] Fix handling of maskmovdqu in X32"

[Kan Shengchen via Phabricator via llvm-commits]

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This reverts commit a8ad9170543906fc58336ab736a109fb42082fbf <https://reviews.llvm.org/rGa8ad9170543906fc58336ab736a109fb42082fbf> b/c
it introduced a serious regression: Almost all the VEX instructions
w/ address-size prefix can not be decoded.

Open issue: https://github.com/llvm/llvm-project/issues/54540


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122448

Files:
  llvm/include/llvm/Support/X86DisassemblerDecoderCommon.h
  llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
  llvm/lib/Target/X86/X86InstrSSE.td
  llvm/lib/Target/X86/X86ScheduleBtVer2.td
  llvm/test/CodeGen/X86/maskmovdqu.ll
  llvm/test/CodeGen/X86/sse2-intrinsics-fast-isel.ll
  llvm/test/MC/X86/maskmovdqu.s
  llvm/test/MC/X86/maskmovdqu64.s
  llvm/utils/TableGen/X86DisassemblerTables.cpp
  llvm/utils/TableGen/X86RecognizableInstr.cpp

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