PR target/27861
* expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
have stripped a SUBREG from the shift count, so we may need to
convert_to_mode back to the type's mode before calling make_tree.
Use new_amount instead of amount to avoid expanding a tree twice.
* gcc.dg/pr27861-1.c: New test case.
From-SVN: r114773
