[Bug target/79131] [7 Regression] ICE: in extract_constrain_insn, at recog.c:2213, big-endian ARM

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79131

--- Comment #14 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
(In reply to Andreas Krebbel from comment #12)

> Starting with that patch we see worse code being generated for:
> 
> int __attribute__((noinline,noclone))
> all_eq_double (double __attribute__((vector_size(16))) a,
>                double __attribute__((vector_size(16))) b)
> {
>  return __builtin_s390_vec_all_eq (a, b);
> }
> 
> gcc -O3 -march=z13
> before:
>         vfcedbs %v0,%v24,%v26
>         lhi     %r2,1
>         lochine %r2,0
>         lgfr    %r2,%r2
>         br      %r14
> after:
>         vfcedbs %v0,%v24,%v26
>         lhi     %r2,1
>         lr      %r1,%r2
>         lochine %r1,0
>         lgfr    %r2,%r1
>         br      %r14
> 
> Note: ideally it should be more like:
>         vfcedbs %v0,%v24,%v26
>         lghi %r2,1
>         locghine %r2,0
>         br %r14
> ... but that's a different topic:


I think you should open a new bug report.  This one has been closed (and the
ICE has been fixed), so this is a new issue.