http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
vincenzo Innocente <vincenzo.innocente at cern dot ch> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vincenzo.innocente at cern | |dot ch --- Comment #1 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-11-15 07:11:08 UTC --- try --param vect-max-version-for-alias-checks=100 o similar it helps to vectorize most of my C++ code that suffers for gcc not handling "restrict" properly