[X86] Allow xacquire/xrelease prefixes
Allow those prefixes on assembly code Differential Revision: https://reviews.llvm.org/D36845 llvm-svn: 311309
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- llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp 15 additions, 5 deletionsllvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
- llvm/lib/Target/X86/X86InstrInfo.td 4 additions, 0 deletionsllvm/lib/Target/X86/X86InstrInfo.td
- llvm/test/MC/X86/intel-syntax-encoding.s 9 additions, 0 deletionsllvm/test/MC/X86/intel-syntax-encoding.s
- llvm/test/MC/X86/x86-64.s 15 additions, 0 deletionsllvm/test/MC/X86/x86-64.s
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