[Bug target/68620] ICE on gcc.target/arm/attr-neon-fp16.c

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68620

--- Comment #5 from Christophe Lyon <clyon at gcc dot gnu.org> ---
(In reply to ktkachov from comment #3)
> Does that mean we need to define a movv4hf pattern?

Isn't *neon_mov<mode> providing this (with the VDX iterator)

I think what's not matching here is (set (subreg:SI (reg:V4HF) XXX) (subreg:SI
(reg:V4HF) XXX)) because we cannot generate (subreg:SI (reg:V4HF) XXX)