http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59880
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 31893
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31893&action=edit
gcc49-pr59880.patch
Untested fix. The reason for the problem is that if it is just a
(zero-extended SI->DI or normal) move from %r13, %rbp or (for k6 %esi), then
decomposition sets parts.disp to const0_rtx and thus we count it as two parts,
even when we wouldn't emit it as a lea insn originally.
