* Makefile.in (recog.o): Don't depend on resource.h.
	* recog.c: Don't include resource.h.
	(recog_last_allowed_insn): Remove.
	(recog_next_insn): Remove.
	(struct peep2_insn_data): New.
	(peep2_insn_data, peep2_current): New.
	(peep2_next_insn): New.
	(peep2_regno_dead_p, peep2_reg_dead_p): New.
	(peep2_find_free_register): New.
	(peephole2_optimize): Track life information by insn as we go.
	* recog.h: Update declarations.
	* resource.c (find_free_register, reg_dead_p): Remove.
	* resource.h: Remove their declarations.
	* toplev.c: Include hard-reg-set.h before recog.h.

	* genconfig.c (max_insns_per_peep2): New.
	(gen_peephole2): New.
	(main): Call it.
	* genemit.c (output_peephole2_scratches): Generate calls to
	peep2_find_free_register; adjust surrounding code.
	(main): Have insn-emit.c include hard-reg-set.h before recog.h.
	* genrecog.c (change_state): Don't track last_insn.
	(write_action): Write into *_pmatch_len before accepting.
	(write_tree): Adjust peephole2_insns and subroutines to match.

	* config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.

From-SVN: r34208