On Tue, Nov 21, 2023 at 1:45 PM Hongyu Wang wrote:
>
> > I think you just need to add an extra (unspec [(const_int 0)]
> > UNSPEC_PPX) to origin push_di pattern, then no need for particular
> > handling of dwarf and cfa stuffs.
> > Ditto for popp and push2p and pop2p.
>
> Yes, such change also wor
> I think you just need to add an extra (unspec [(const_int 0)]
> UNSPEC_PPX) to origin push_di pattern, then no need for particular
> handling of dwarf and cfa stuffs.
> Ditto for popp and push2p and pop2p.
Yes, such change also worked and no cfa adjustment required then,
thanks for the suggestio
On Fri, Nov 17, 2023 at 3:26 PM Hongyu Wang wrote:
>
> Intel APX PPX feature has been released in [1].
>
> PPX stands for Push-Pop Acceleration. PUSH/PUSH2 and its corresponding POP
> can be marked with a 1-bit hint to indicate that the POP reads the
> value written by the PUSH from the stack. The
