PR middle-end/37807
	PR middle-end/37809
	* combine.c (force_to_mode): Do not process vector types.

	* rtlanal.c (nonzero_bits1): Do not process vector types.
	(num_sign_bit_copies1): Likewise.

testsuite/ChangeLog

	PR middle-end/37807
	PR middle-end/37809
	* gcc/testsuite/gcc.target/i386/mmx-8.c: New test.

From-SVN: r141732