[Bug target/86487] [7/8/9 Regression] insn does not satisfy its constraints on arm big-endian

[avieira at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86487

--- Comment #3 from avieira at gcc dot gnu.org ---
@Vlad: I added you to this ticket to see if maybe you can shine some light on
how GCC's register allocator deals with register pairs in big endian, I am
struggling to figure out how all of this works together, see comment before
this.

Thanks in advance!