re PR c/10308 ([x86] ICE with -O -fgcse or -O2)

re PR c/10308 ([x86] ICE with -O -fgcse or -O2)

	* cfgbuild.c (make_edges):  Do not use next_nonnote_insn when
	looking for fallthru edge.

	* athlon.md (athlon-agu, athlon-store, athlon-fany, athlon-faddmul):
	Fix.
	(athlon-load2, athlon-store2, athlon-fpsched, athlon-fpload,
	athlon-fvector): New.
	(athlon_*): Revisit to match new optimization guide.
	* i386.c (ix86_adjust_cost):  Fix memory operand costs on Athlon/k8
	* i386.md (cvt??2?? patterns): Fix modes.
	(fistp patterns): Set modes.

	Accidentaly commited with my earlier reload patch:
	PR c/10308
	* reload.c (find_reloads_address_1): Reload plus at the place of
	index register.

From-SVN: r66037