Specify machine attributes to enable inlining

[indutny]

Things like:

"target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87"

Are required to be matched between callee and caller for inlining support.