2006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

	* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
	value to 0.
	* doc/invoke.texi (max-sched-extend-regions-iters): Document.
	* config/ia64/ia64.c (params.h): New header.
	(ia64_optimization_options): New function to adjust parameters.
	* config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
	* config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
	* config/ia64/t-ia64 (ia64.o): Add dependence from params.h .

From-SVN: r114425