Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
* Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
* tree-ssa-loop-ivopts.c: Include langhooks.h.
(add_standard_iv_candidates_for_size): New function, extracting code
from add_standard_iv_candidates and parameterizing it by type size.
(add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.