[Bug middle-end/59990] [4.7/4.8/4.9 regression] incorrect memcpy optimization

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|target                      |middle-end

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Each target has its own code to do expansion of memcpy.  The middle-end code
> for memcpy uses the integer modes to do the copying and if the target gets
> that incorrect then it is a bug in the target code.

No, and that's precisely the bug...