[Bug target/92140] clang vs gcc optimizing with adc/sbb

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92140

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #47069|0                           |1
        is obsolete|                            |

--- Comment #26 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47070
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47070&action=edit
gcc10-prereload-splitters.patch

Updated patch for the pre-reload splitters, which uses a new predicate and
additionally removes constraints and attributes from those
define_insn_and_split that had them (most of them didn't), because nothing will
really look at constraints before reload and similarly for enabled etc.
attributes.