[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).