* gcc.dg/vect/pr36493.c: Call check_vect.
	* gcc.dg/vect/pr37539.c: Likewise.
	* gcc.dg/vect/vect-nest-cycle-3.c: Call check_vect earlier.
	* tree-vect.h (check_vect): Use cpuid for x86.

From-SVN: r154666