* gcc.target/i386/387-2.c: Skip if -march= is specified.
	* gcc.target/i386/387-6.c: Ditto.
	* gcc.target/i386/387-2.c: Add -mfancy-math-387 to dg-options.
	* gcc.target/i386/387-4.c: Ditto.
	* gcc.target/i386/387-7.c: Ditto.
	* gcc.target/i386/387-8.c: Ditto.
	* gcc.target/i386/387-9.c: Ditto.
	* gcc.target/i386/387-10.c: Ditto.
	* gcc.target/i386/387-11.c: Ditto.
	* gcc.target/i386/387-12.c: Ditto.

	* gcc.target/i386/387-2.c: Add -mno-sse3 to dg-options.

From-SVN: r166400