Improve x86 Fused long compare to literal

Generate better x86 code for the fused long comparison/branch
if one of the arguments is a literal. Use the algorithm from ARM,
tweaked for x86.

Change-Id: I872ba5dfaeeaaba6beff756d2eb6f9c6d018ce3e
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
2 files changed