* params.def (PARAM_MAX_SCHED_REGION_BLOCKS): New.
        (PARAM_MAX_SCHED_REGION_INSNS): New.
        * sched-rgn.c: Include params.h
        (MAX_RGN_BLOCKS): Delete.
        (MAX_RGN_INSNS): Delete.
        (too_large): Return bool.  Convert to PARAM_VALUE.
        * Makefile.in (sched-rgn): Depend on $(PARAMS_H).
        * doc/invoke.texi (param): Document max-sched-region-blocks and
        max-sched-region-insns.

From-SVN: r79839