https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63974
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |jakub at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 34423
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34423&action=edit
gcc5-pr63974.patch
Untested fix.
The bug is that convert_memory_address (Pmode, ...) is called twice, which is
not possible for VOIDmode constants.
As optabs.c (indirectly from emit_indirect_jump) already calls it, because the
argument is built with create_address_operand and the EXPAND_ADDRESS case
in maybe_legitimize_operand calls convert_memory_address (Pmode, ...), the
other
convert_memory_address call is only harmful.
I don't have easy access to any POINTERS_EXTEND_UNSIGNED target though, so
can't test it easily.