[Bug target/90530] [9/10 Regression] Invalid SUBREG insn generated by reload

[dave.anglin at bell dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90530

--- Comment #16 from dave.anglin at bell dot net ---
On 2019-05-20 8:14 a.m., rguenth at gcc dot gnu.org wrote:
>> My feeling is reload should respect  pa_can_change_mode_class().
> Maybe it's asking wrong since you have
>
>   if (GET_MODE_SIZE (from) == GET_MODE_SIZE (to))
>     return true;
>
> and the size of the SUBREG_REG is the same as the FP reg?
Good point!