On Mon, 21 Jan 2019, Jakub Jelinek wrote:
> Hi!
>
> add_equal_note has special code to handle properly doubleword POPCOUNT and
> similar builtins, e.g. for POPCOUNT if we don't have DImode POPCOUNT, it can
> be expanded as 2 SImode POPCOUNTs added together, but for the REG_EQUAL note
> we want lo
Hi!
add_equal_note has special code to handle properly doubleword POPCOUNT and
similar builtins, e.g. for POPCOUNT if we don't have DImode POPCOUNT, it can
be expanded as 2 SImode POPCOUNTs added together, but for the REG_EQUAL note
we want lowpart SImode SUBREG of DImode POPCOUNT.
Unfortunately,