On Tue, Feb 25, 2025 at 1:05 AM Jakub Jelinek wrote:
>
> On Thu, Feb 20, 2025 at 01:11:25PM -0800, Andrew Pinski wrote:
> > So what is happening here is that after r15-268-g9dbff9c05520a7,
> > a move instruction still exists after combine and the register
> > allocator choses different register al
On Thu, Feb 20, 2025 at 01:11:25PM -0800, Andrew Pinski wrote:
> So what is happening here is that after r15-268-g9dbff9c05520a7,
> a move instruction still exists after combine and the register
> allocator choses different register allocation order for the xor
> and because the input operand of lz
So what is happening here is that after r15-268-g9dbff9c05520a7,
a move instruction still exists after combine and the register
allocator choses different register allocation order for the xor
and because the input operand of lzcntq is not the same as output
operand, there is an extra xor that happ
