* machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
	* optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
	formatting.
	(expand_twoval_unop): Likewise.
	(widen_clz): Likewise.
	(expand_parity): Likewise.
	(expand_unop): Likewise.
	(emit_cmp_and_jmp_insn_1): Likewise.
	(prepare_float_lib_cmp): Likewise.

From-SVN: r107450