dist/gcc/emit-rtl.c

1667 subreg_size_lowpart_offset (poly_uint64 outer_bytes, poly_uint64 inner_bytes)
1669   gcc_checking_assert (ordered_p (outer_bytes, inner_bytes));
1670   if (maybe_gt (outer_bytes, inner_bytes))
1675     return inner_bytes - outer_bytes;
1679     return subreg_size_offset_from_lsb (outer_bytes, inner_bytes, 0);
1686 subreg_size_highpart_offset (poly_uint64 outer_bytes, poly_uint64 inner_bytes)
1688   gcc_assert (known_ge (inner_bytes, outer_bytes));
1693     return inner_bytes - outer_bytes;
1695     return subreg_size_offset_from_lsb (outer_bytes, inner_bytes,
1696 					(inner_bytes - outer_bytes)