[Bug tree-optimization/50569] [4.6/4.7 regression] unaligned memory accesses generated for memcpy

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569

--- Comment #12 from Mikael Pettersson <mikpe at it dot uu.se> 2011-12-11 
20:11:14 UTC ---
Eric's proposed patch applied on top of gcc-4.7-20111210 fixes both test cases
for me on sparc-linux and arm-linux-gnueabi.