[Bug target/85592] New: __builtin_cpu_is does not exist on aarch64

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85592

            Bug ID: 85592
           Summary: __builtin_cpu_is does not exist on aarch64
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pinskia at gcc dot gnu.org
  Target Milestone: ---
            Target: aarch64-*-*

__builtin_cpu_is should be supported for aarch64; just like PowerPC and x86.