pad-2.c, [...]: Skip if multilib options contain different -march= from dg-options.

pad-2.c, [...]: Skip if multilib options contain different -march= from dg-options.

	* gcc.target/i386/pad-2.c, gcc.target/i386/pad-3.c,
	gcc.target/i386/pad-4.c, gcc.target/i386/pad-5a.c,
	gcc.target/i386/pad-5b.c, gcc.target/i386/pad-6a.c,
	gcc.target/i386/pad-6b.c, gcc.target/i386/pad-7.c,
	gcc.target/i386/pad-8.c, gcc.target/i386/pad-9.c,
	gcc.target/i386/pad-10.cm gcc.target/i386/vect-double-1.c: Skip if
	multilib options contain different -march= from dg-options.

From-SVN: r179091