target-supports.exp: Normalize order of i?86 and x86_64 targets.

target-supports.exp: Normalize order of i?86 and x86_64 targets.

	* lib/target-supports.exp: Normalize order of i?86 and x86_64 targets.
	Whitespace fixes.
	(check_effective_target_vect_cmdline_needed): Check
	is-effective-target ia32 for x86 targets.
	(check_effective_target_vect_simd_clones): Simplify condition.
	(check_effective_target_vect_double): Ditto.
	(check_effective_target_vect_aligned_arrays): Check
	is-effective-target ia32 for x86 targets.  Simplify condition.
	(check_effective_target_vect_multiple_sizes): Simplify condition.
	(check_effective_target_sqrt_insn): Add i?86-*-* target.
	(check_effective_target_sync_int_128): Simplify condition.
	(check_effective_target_sync_int_128_runtime): Ditto.
	(check_effective_target_sync_long_long_runtime): Ditto.
	(check_effective_target_divmod): Add i?86-*-* target.

From-SVN: r241733