On Tue, Mar 16, 2010 at 9:48 PM, Tristan Gingold <ging...@adacore.com> wrote: > > On Mar 16, 2010, at 4:37 PM, Alexey Salmin wrote: >>>> I am interested in an -mstrict-alignment option for x86. >>> >>> Not sure it will be useful. The libc still does unaligned accesses IIRC. >>> >> >> Wow. What for? > > Well, simply because it is not compiled with strict alignment. There might > also be some optimization in > memory operation that does unaligned accesses.
I always thought that unaligned access is much slower than aligned one. You mean code-size optimizations? Alexey
