i386.h (ACCUMULATE_OUTGOING_ARGS): Disable accumulation for cold functions.

i386.h (ACCUMULATE_OUTGOING_ARGS): Disable accumulation for cold functions.

	* config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Disable accumulation
	for cold functions.
	* x86-tune.def (X86_TUNE_USE_LEAVE): Update comment.
	(X86_TUNE_PUSH_MEMORY): Likewise.
	(X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL,
	X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): New.
	(X86_TUNE_ACCUMULATE_OUTGOING_ARGS, X86_TUNE_ALWAYS_FANCY_MATH_387): New.
	* i386.c (x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
	x86_avx256_split_unaligned_load, x86_avx256_split_unaligned_store):
	Remove.
	(ix86_option_override_internal): Update to use tune features instead
	of variables.

From-SVN: r203855