* cif-code.def (MAX_INLINE_INSNS_SINGLE_O2_LIMIT,
	MAX_INLINE_INSNS_AUTO_O2_LIMIT): New.
	* ipa-inline.c (inline_insns_single, inline_insns_auto): New functions.
	(can_inline_edge_by_limits_p): Use it.
	(big_speedup_p): Use PARAM_INLINE_MIN_SPEEDUP_O2.
	(want_inline_small_function_p): Use O2 bounds.
	(edge_badness): LIkewise.
	* opts.c (default_options): Add OPT_finline_functions.
	* params.def (PARAM_INLINE_MIN_SPEEDUP_O2,
	PARAM_MAX_INLINE_INSNS_SINGLE_O2, PARAM_MAX_INLINE_INSNS_AUTO_O2):
	New parameters.

	* g++.dg/tree-ssa/pr53844.C: Add -fno-inline-functions --param
	max-inline-insns-single-O2=200.
	* gcc.c-torture/execute/builtins/builtins.exp: Add
	-fno-inline-functions to additional_flags.
	* gcc.dg/ipa/inline-7.c: Add -fno-inline-functions.
	* gcc.dg/optimize-bswapsi-5.c: Add -fno-inline-functions.
	* gcc.dg/tree-ssa/ssa-thread-12.c: Add --param
	early-inlining-insns-O2=14 -fno-inline-functions; revert previous
	change.
	* gcc.dg/winline-3.c: Use --param max-inline-insns-single-O2=1
	--param inline-min-speedup-O2=100
	instead of --param max-inline-insns-single=1 --param
	inline-min-speedup=100

	* invoke.texi (-finline-functions): Update documentation.
	(max-inline-insns-single-O2, max-inline-insns-auto-O2,
	inline-min-speedup-O2): Document.
	(early-inlining-insns-O2): Simplify docs.

From-SVN: r276469