2014-06-18  Richard Biener  <rguenther@suse.de>

	* common.opt (fssa-phiopt): New option.
	* opts.c (default_options_table): Enable -fssa-phiopt with -O1+
	but not with -Og.
	* tree-ssa-phiopt.c (pass_phiopt): Add gate method.
	* doc/invoke.texi (-fssa-phiopt): Document.

From-SVN: r211772