On 4/3/24 15:16, Jakub Jelinek wrote:
On Wed, Apr 03, 2024 at 12:58:12PM -0400, Jason Merrill wrote:
On 4/3/24 12:42, Jakub Jelinek wrote:
On Wed, Apr 03, 2024 at 12:07:48PM -0400, Jason Merrill wrote:
Using std::is_constant_evaluated directly in a loop condition is, as the
paper says, unlikel
On Wed, Apr 03, 2024 at 12:58:12PM -0400, Jason Merrill wrote:
> On 4/3/24 12:42, Jakub Jelinek wrote:
> > On Wed, Apr 03, 2024 at 12:07:48PM -0400, Jason Merrill wrote:
> > > Using std::is_constant_evaluated directly in a loop condition is, as the
> > > paper says, unlikely and "horrendous code",
On 4/3/24 12:42, Jakub Jelinek wrote:
On Wed, Apr 03, 2024 at 12:07:48PM -0400, Jason Merrill wrote:
Using std::is_constant_evaluated directly in a loop condition is, as the
paper says, unlikely and "horrendous code", so I'm not concerned about
surprising effects, though I guess we should check
On Wed, Apr 03, 2024 at 12:07:48PM -0400, Jason Merrill wrote:
> Using std::is_constant_evaluated directly in a loop condition is, as the
> paper says, unlikely and "horrendous code", so I'm not concerned about
> surprising effects, though I guess we should check for it with
> maybe_warn_for_consta
On 4/3/24 03:25, Jakub Jelinek wrote:
Hi!
The following patch attempts to implement P2809R3, which has been voted
in as a DR.
The middle-end has its behavior documented:
'-ffinite-loops'
Assume that a loop with an exit will eventually take the exit and
not loop indefinitely. This a
On Wed, Apr 03, 2024 at 09:35:07AM +0200, Richard Biener wrote:
> Just in case making the control expression constant to the middle-end
> doesn't scale.
I think we need to evaluate it as constant expression in any case, that is
the only way to determine if it is trivial infinite loop or not.
The c
On Wed, Apr 3, 2024 at 9:25 AM Jakub Jelinek wrote:
>
> Hi!
>
> The following patch attempts to implement P2809R3, which has been voted
> in as a DR.
>
> The middle-end has its behavior documented:
> '-ffinite-loops'
> Assume that a loop with an exit will eventually take the exit and
> n
Hi!
The following patch attempts to implement P2809R3, which has been voted
in as a DR.
The middle-end has its behavior documented:
'-ffinite-loops'
Assume that a loop with an exit will eventually take the exit and
not loop indefinitely. This allows the compiler to remove loops
th
