That is exactly it! Thank you very much!
BMI2 support is almost here :)
--
K
On Tue, Aug 16, 2011 at 6:58 PM, Richard Henderson <r...@redhat.com> wrote:
> On 08/16/2011 04:20 AM, Kirill Yukhin wrote:
>> Hi guys,
>> the question is still opened. Let me try to explain further.
>>
>> The new MULX instruction is capable to store result of unsigned
>> multiply to arbitrary pair of GPRs (one of operands still must be DX).
>> But I have no idea, how to implement such a constraint.
>> Here is define_insn which is works but uses i386's "A" constraint. It
>> is much worse than using any pair of registers.
>
> See {u}mulsidi3_internal in mn10300.md for an example of a
> double-word multiplication with two independent outputs.
>
>
> r~
>
