Use float64 instead of int64 vector elements for NEON vget_low and vget_high functions, since int64 is not a legal type and using it leads to inefficient code.  PR8036.
Use float64 instead of int64 vector elements for NEON vget_low and vget_high
functions, since int64 is not a legal type and using it leads to inefficient
code.  PR8036.


git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@113919 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx