On Thu, Feb 20, 2014 at 10:21:12AM +0100, Jakub Jelinek wrote:
> > > Or, if ARM supports unaligned loads/stores using special instructions,
> > > perhaps you should also benchmark the alternative of not realigning, but
> > > instead making sure those unaligned instructions are used for the shadow
> > > memory loads/stores in the asan prologue/epilogue.
Also note that apparently ARM does have unaligned_storesi pattern,
just doesn't provide movmisalignsi expander so that it could be (easily) used
from
the middle-end. So you should certainly also try it that way and test.
Jakub
