Disable the register+memory forms of the bt instructions for now. Thanks
authorDan Gohman <gohman@apple.com>
Tue, 13 Jan 2009 23:23:30 +0000 (23:23 +0000)
committerDan Gohman <gohman@apple.com>
Tue, 13 Jan 2009 23:23:30 +0000 (23:23 +0000)
commitf31408d75c42f48041e40aaaee147dcaa8477bc0
tree5527524441bb600ed30ea51f78b7cf62738ae956
parente2051627b81c713fd29f61ce6d4424d0388cc37d
Disable the register+memory forms of the bt instructions for now. Thanks
to Eli for pointing out that these forms don't ignore the high bits of
their index operands, and as such are not immediately suitable for use
by isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62194 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86Instr64bit.td
lib/Target/X86/X86InstrInfo.td
test/CodeGen/X86/bt.ll