* gcc.target/i386/*.c: Do not require sse{,2,3,4} effective target
	for compile-time only tests.
	* gcc.target/i386/pr39315-2.c: Remove redundant sse2 effective
	target check.
	* gcc.target/i386/pr39315-4.c: Ditto.
	* gcc.target/i386/vperm-v4si-1.c: Remove sse_runtime effective
	target check.  Include sse-os-support.h.
	(main): Call check_isa and sse_os_support.
	* gcc.target/i386/vperm-v4sf-1.c: Ditto.
	* gcc.target/i386/vperm-v4si-2.c (main): Call check_isa.
	* gcc.target/i386/vperm-v4sf-2.c: Ditto.
	* gcc.target/i386/vperm-v2di.c: Remove sse2_runtime effective
	target check.  Include sse-os-support.h.
	(main): Call check_isa and sse_os_support.
	* gcc.target/i386/vperm-v2df.c: Ditto.

From-SVN: r162457