i386.c (enum ix86_builtins): Reorder enumerators...

i386.c (enum ix86_builtins): Reorder enumerators...

	* config/i386/i386.c (enum ix86_builtins): Reorder enumerators, so
	that builtins not mentioned in bdesc_* arrays come first, then
	the ones mentioned in bdesc_* arrays in the order they appear in
	the arrays in between IX86_BUILTIN__BDESC_*_FIRST and
	IX86_BUILTIN__BDESC_*_LAST enumerator.
	(bdesc_mpx): Fix up a comment typo.
	(bdesc_multi_arg): Remove __builtin_ia32_vpcomne[bwdq] and
	__builtin_ia32_vpcomneu[bwdq] builtins.
	(BDESC_VERIFY, BDESC_VERIFYS): Define.
	(ix86_init_mmx_sse_builtins, ix86_init_mpx_builtins): Verify
	enum ix86_builtins ordering.
	(ix86_expand_builtin): Use enum ix86_builtins ordering assumption
	for direct bdesc_* array member access instead of searching all the
	arrays until an fcode match is found.

From-SVN: r239512