[ARM] Fix CLZ_DEFINED_VALUE_AT_ZERO for vector modes

2014-11-02  Michael Collison  <michael.collison@linaro.org>

	* config/arm/arm.h (CLZ_DEFINED_VALUE_AT_ZERO) : Update
	to support vector modes.
	(CTZ_DEFINED_VALUE_AT_ZERO): Ditto.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217014 138bc75d-0d04-0410-961f-82ee72b054a4