[Bug tree-optimization/29756] SSE intrinsics hard to use without redundant temporaries appearing

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29756

--- Comment #21 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
r14-3381-g27de9aa152141e combined with
r13-3212-gb88adba751da63
r13-3271-g786e4c024f9416

Fixed the "More concise demonstration of the v4sf->float->v4sf issue" testcase.