sourcebuild.texi (Effective-Target Keywords): Document sse_runtime, sse2_runtime.

sourcebuild.texi (Effective-Target Keywords): Document sse_runtime, sse2_runtime.

	gcc:
	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	sse_runtime, sse2_runtime.

	gcc/testsuite:
	* lib/target-supports.exp (check_sse_os_support_available): New
	proc.
	(check_sse_hw_available): New proc.
	(check_effective_target_sse_runtime): New proc.
	(check_effective_target_sse2_runtime): New proc.
	* lib/fortran-torture.exp (get-fortran-torture-options): Only add
	-msse2 if check_sse_os_support_available.
	* g++.dg/vect/vect.exp: Only run -msse2 tests if
	check_sse_os_support_available.
	* gcc.dg/vect/vect.exp: Likewise.
	* gfortran.dg/vect/vect.exp: Likewise.
	* gcc.target/i386/sol2-check: Renamed to ...
	* gcc.target/i386/sse-os-support.h: ... this.
	(sol2_check): Renamed to ...
	(sse_os_support): ... this.
	Only test movss with xmm registers.
	* gcc.target/i386/sse-check.h: Reflect new header and function names.
	Removed ILL_INSN, ILL_INSN_LEN.
	* gcc.target/i386/sse2-check.h: Likewise.
	* gcc.target/i386/sse3-check.h: Likewise.
	* gcc.dg/pr40550.c: Use dg-require-effective-target sse_runtime.
	Removed cpuid.h, __get_cpuid test.
	* g++.dg/other/i386-1.C: Use dg-require-effective-target sse2_runtime.
	Removed cpuid.h, __get_cpuid test.
	* g++.dg/other/pr40446.C: Likewise.
	* gcc.dg/compat/union-m128-1_main.c: Likewise.
	* gcc.dg/compat/vector-1a_main.c: Likewise.
	* gcc.dg/compat/vector-2a_main.c: Likewise.
	* gcc.dg/pr36584.c: Likewise.
	* gcc.dg/pr37544.c: Likewise.
	* gcc.dg/torture/pr16104-1.c: Likewise.
	* gcc.dg/torture/stackalign/alloca-2.c: Likewise.
	* gcc.dg/torture/stackalign/alloca-3.c: Likewise.
	* gcc.dg/torture/stackalign/push-1.c: Likewise.
	* gcc.dg/torture/stackalign/vararg-3.c: Likewise.
	* gcc.dg/torture/pr35771.h: Removed cpuid.h, __get_cpuid test.
	* gcc.dg/torture/pr35771-1.c: Use dg-require-effective-target
	sse2_runtime.
	* gcc.dg/torture/pr35771-2.c: Likewise.
	* gcc.dg/torture/pr35771-3.c: Likewise.
	* gcc.target/i386/pr39315-2.c: Likewise.
	* gcc.target/i386/pr39315-4.c: Likewise.
	* gcc.target/i386/vperm-v2df.c: Likewise.
	* gcc.target/i386/vperm-v2di.c: Likewise.
	* gcc.target/i386/vperm-v4si-1.c: Likewise.
	* gcc.target/i386/vperm-v4sf-1.c: Use dg-require-effective-target
	sse_runtime.

From-SVN: r162295