PR target/88905
	* optabs.c (add_equal_note): Add op0_mode argument, use it instead of
	GET_MODE (op0).
	(expand_binop_directly, expand_doubleword_clz,
	expand_doubleword_popcount, expand_ctz, expand_ffs,
	expand_unop_direct, maybe_emit_unop_insn): Adjust callers.

	* gcc.dg/pr88905.c: New test.

From-SVN: r268139