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5 Commits

Author SHA1 Message Date
Stefanus Du Toit 8811ad4f81 Add support for encoding the HLE XACQUIRE and XRELEASE prefixes. 
For decoding, keep the current behavior of always decoding these as their REP
versions. In the future, this could be improved to recognize the cases where
these behave as XACQUIRE and XRELEASE and decode them as such.

llvm-svn: 184207
 2013-06-18 17:08:10 +00:00
Michael Liao 03f9ad0e67 Add XTEST codegen support 
llvm-svn: 178083
 2013-03-26 22:47:01 +00:00
Dave Zarzycki 656e8515fc x86 -- add the XTEST instruction 
llvm-svn: 177888
 2013-03-25 18:59:43 +00:00
Kevin Enderby f15856ebb4 Fixes disassembler crashes on 2013 Haswell RTM instructions. 
rdar://13318048

llvm-svn: 176828
 2013-03-11 21:17:13 +00:00
Michael Liao 73cffddb95 Add support of RTM from TSX extension 
- Add RTM code generation support throught 3 X86 intrinsics:
  xbegin()/xend() to start/end a transaction region, and xabort() to abort a
  tranaction region

llvm-svn: 167573
 2012-11-08 07:28:54 +00:00