2012-09-27  Vladimir Makarov  <vmakarov@redhat.com>

	* reginfo.c (max_regno_since_last_resize): New.
	(reg_preferred_class, reg_alternate_class): Add assert.
	(allocate_reg_info): Initialize allocated reg info.
	(resize_reg_info): Make bigger reg_info and initialize new memory.
	(reginfo_init): Initialize max_regno_since_last_resize.
	(setup_reg_classes): Change assert.

From-SVN: r192047