[Bug middle-end/83699] [8 regression] Many 64-bit SPARC gcc.dg/vect tests FAIL

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83699

--- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
The expmed.c patch is probably a pessimisation in this case.
extract_bit_field_as_Subreg should probably check that the
REGMODE_NATURAL_SIZE of the inner and outer modes are the same.
I'll do that as well, but we should probably fix the LRA
problem while it's visible.