[Bug target/79197] [5/6 Regression] ICE in extract_insn in gcc/recog.c:2311

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79197

--- Comment #16 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #15)
> I see SIGILL on
>    0x00003fffb7e722e8 <H5T__conv_ulong_float+2744>:   xscvuxdsp vs32,vs33
> => 0x00003fffb7e722ec <H5T__conv_ulong_float+2748>:   stxssp  v0,0(r31)
>    0x00003fffb7e722f0 <H5T__conv_ulong_float+2752>:   add     r31,r31,r27
> This is in libhdf5 compiled with -mcpu=power8, I believe stxssp is power9
> instruction.  Let me try to distill a self-contained testcase.

That is indeed a power9 (ISA 3.0) instruction.  That should probably be a
separate bug.