[Bug target/70711] New: GCC ARM big-endian ARMv8.1 code fails.

[mwahab at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70711

            Bug ID: 70711
           Summary: GCC ARM big-endian ARMv8.1 code fails.
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mwahab at gcc dot gnu.org
  Target Milestone: ---

Created attachment 38301
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38301&action=edit
Fix ARMv8.1-A big-endian builds.

The config/arm/bpabi.h file wasn't updated when ARMv8.1 support went in. This
means that when GCC is targeting big-endian ARMv8.1, the code it generates can
fail to execute.

The attached patch is being tested for armeb-none-eabi.