2013-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (MAX_INSN_PER_IT_BLOCK): New macro.
	(arm_option_override): Override arm_restrict_it where appropriate.
	(thumb2_final_prescan_insn): Use MAX_INSN_PER_IT_BLOCK.
	* config/arm/arm.opt (mrestrict-it): New command-line option.
	* doc/invoke.texi: Document -mrestrict-it.

From-SVN: r199694