https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67366
--- Comment #2 from Richard Earnshaw <rearnsha at gcc dot gnu.org> --- (In reply to Richard Biener from comment #1) > I think this boils down to the fact that memcpy expansion is done too late > and > that (with more recent GCC) the "inlining" done on the GIMPLE level is > restricted > to !SLOW_UNALIGNED_ACCESS but arm defines STRICT_ALIGNMENT to 1 > unconditionally. > Yep, we have to define STRICT_ALIGNMENT to 1 because not all load instructions work with misaligned addresses (ldm, for example). The only way to handle misaligned copies is through the movmisalign API.
