[Bug tree-optimization/50713] SLP vs loop: code generated differs (SLP less efficient)

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50713

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |glisse at gcc dot gnu.org

--- Comment #6 from Marc Glisse <glisse at gcc dot gnu.org> 2012-10-25 14:47:57 UTC ---
There is a huge number of movs, something could probably be done in the
back-end. But already in the middle-end, the simplification of a bit_field_ref
of a constructor should be extended to handle bit_field_refs larger than 1
element (and constructor elements that are vectors themselves).