* config/arm/thumb2.md: Add 16-bit multiply instructions.
	gcc/testsuite/

	* lib/target-supports.exp (check_effective_target_arm_thumb2_ok):
	New function.
	* gcc.target/arm/thumb2-mul-space.c: New file.
	* gcc.target/arm/thumb2-mul-space-2.c: New file.
	* gcc.target/arm/thumb2-mul-space-3.c: New file.
	* gcc.target/arm/thumb2-mul-speed.c: New file.

From-SVN: r147812