2010-05-25  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi: Document -Ofast.
	* target.h (struct gcc_target): Add handle_ofast.
	* target-def.h (TARGET_HANDLE_OFAST): Add.
	(TARGET_INITIALIZER): Adjust.
	* opts.c (decode_options): Handle -Ofast.  Enable
	-ffast-math with it.
	* common.opt (Ofast): Add.

From-SVN: r159815