Replace INSN_DELETED_P with rtx_insn member functions

Replace INSN_DELETED_P with rtx_insn member functions

gcc/

	* cfgrtl.c, combine.c, config/arc/arc.c, config/mcore/mcore.c,
	config/rs6000/rs6000.c, config/sh/sh.c, cprop.c, dwarf2out.c,
	emit-rtl.c, final.c, function.c, gcse.c, jump.c, reg-stack.c,
	reload1.c, reorg.c, resource.c, sel-sched-ir.c: Replace INSN_DELETED_P
	macro with statically checked member functions.
	* rtl.h (rtx_insn::deleted): New method.
	(rtx_insn::set_deleted): Likewise.
	(rtx_insn::set_undeleted): Likewise.
	(INSN_DELETED_P): Remove.

From-SVN: r215282