Two minor fixes.

Two minor fixes.

	* config/arm/mmintrin.h (_mm_setwcx): Reverse arguments in call to
	__builtin_arm_setwcx ().
	* config/arm/arm.c (arm_expand_builtin): Generate operands
	correctly and reverse their order in call to gen_iwmmxt_tmcr ().
and:
	* config/arm/arm.c (bdesc_2arg): Correct builtin names "wmulsh"
	and "wmuluh" to "wmulsm" and "wmulum", respectively.
	* config/arm/arm.h (enum arm_builtins): Rename enumerators to
	ARM_BUILTIN_WMULSM and ARM_BUILTIN_WMULUM.
	* config/arm/mmintrin.h (_mm_mulhi_pi16): Update intrinsic call.
	(_mm_mulhi_pu16): Likewise.

From-SVN: r77774