Nick Lewycky 94d4c91bc5 Add support for assembling "movq" when it's correct to do so, while continuing
to emit "movd" across the board to continue supporting a Darwin assembler bug.
This is the reincarnation of r133452.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133565 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-21 22:45:41 +00:00
..
2011-06-18 19:12:59 +00:00