https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99927
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Interestingly, it only reproduces on AMD CPUs and not Intel.
The bug is in:
xorl %edx, %edx
divl %edi
movl $1, %eax
cmove %edx, %eax
divl leaves ZF undefined as documented (and as seen in RTL), but we use that in
the cmove instruction.
