[Bug middle-end/29756] SSE intrinsics hard to use without redundant temporaries appearing

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29756
Bug 29756 depends on bug 28367, which changed state.

Bug 28367 Summary: accessing via union on a vector does not cause vec_extract to be used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28367

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED