[Bug tree-optimization/55614] [4.6/4.7 Regression] vector extensions cause movdqa to be generated for memcpy on unaligned buffer

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55614

--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> 2012-12-07 14:56:15 UTC ---
As far as I can remember, my changes in revision 186501 depended on
previous work in expander and cannot be simply backported without
those prerequisites (or breaking strict-alignment requirements on many
platforms in quite a few cases).