Makefile.in (cfgrtl.o): Add expr.h dependency.

	* Makefile.in (cfgrtl.o): Add expr.h dependency.
	* cfgrtl.c: Include expr.h.
	(mark_killed_regs, safe_insert_insn_on_edge): New
	functions.
	* config/i386/i386.h (AVOID_CCMODE_COPIES): Define.
	* basic-block.h (safe_insert_insn_on_edge): Declare.

From-SVN: r68518