On Fri, 15 Nov 2024, Jₑₙₛ Gustedt wrote:
> Hello Richard,
>
> On Fri, 15 Nov 2024 15:00:44 +0100 (CET), Richard Biener wrote:
>
> > fnspec was originally introduced for PTA, but 'I' and 'U' given the
> > pointers escape, do not help PTA, as soon as pointers escape all
> > (most) bets are lost.
>
Hello Richard,
On Fri, 15 Nov 2024 15:00:44 +0100 (CET), Richard Biener wrote:
> fnspec was originally introduced for PTA, but 'I' and 'U' given the
> pointers escape, do not help PTA, as soon as pointers escape all
> (most) bets are lost.
>
> So where and how exactly do you plan to use those?
On Fri, 15 Nov 2024, Jan Hubicka wrote:
> Hi,
> To implement pointer parameters reproducible and unsequenced I would like to
> use fnspec built at callgraph construction time. Pointer parameters are
> either
> const or non-const. After discussion with Jens, I now understand that memory
> pointe
Hi,
To implement pointer parameters reproducible and unsequenced I would like to
use fnspec built at callgraph construction time. Pointer parameters are either
const or non-const. After discussion with Jens, I now understand that memory
pointed to by const pointers can only be read directly and n
