On 10/15/2021 4:39 AM, Aldy Hernandez wrote:
On 10/15/21 2:47 AM, Andrew MacLeod wrote:
On 10/14/21 6:07 PM, Martin Sebor via Gcc-patches wrote:
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context around in the strlen code. I
certainly don't
On Fri, Oct 15, 2021, 12:39 Aldy Hernandez wrote:
>
>
> On 10/15/21 2:47 AM, Andrew MacLeod wrote:
> > On 10/14/21 6:07 PM, Martin Sebor via Gcc-patches wrote:
> >> On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
> >>> We seem to be passing a lot of context around in the strlen code.
On Mon, Oct 25, 2021 at 6:42 AM Jeff Law wrote:
>
>
>
> On 10/24/2021 8:15 PM, Jeff Law wrote:
> >
> >
> > On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
> >>
> >>
> >> On 10/18/21 12:52 AM, Jeff Law wrote:
> >>>
> >>>
> >>> On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
> The foll
On 10/24/2021 8:15 PM, Jeff Law wrote:
On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
On 10/18/21 12:52 AM, Jeff Law wrote:
On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining use
On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
On 10/18/21 12:52 AM, Jeff Law wrote:
On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining user.
So is there any reason why we can't con
On 10/23/2021 3:32 PM, Jeff Law wrote:
On 10/21/2021 12:20 PM, Jeff Law wrote:
So if we're referring to those temporary const/copy propagations
"escaping" into Ranger, then I would fully expect that to cause
problems. Essentially they're path sensitive const/copy propagations
and may n
On 10/21/2021 12:20 PM, Jeff Law wrote:
So if we're referring to those temporary const/copy propagations
"escaping" into Ranger, then I would fully expect that to cause
problems. Essentially they're path sensitive const/copy propagations
and may not be valid on all the paths through the C
On Fri, Oct 15, 2021 at 12:39 PM Aldy Hernandez wrote:
> Also, I am PINGing patch 0002, which is the strlen pass conversion to
> the ranger. As mentioned, this is just a change from an evrp client to
> a ranger client. The APIs are exactly the same, and besides, the evrp
> analyzer is deprecate
On 10/21/2021 1:42 AM, Aldy Hernandez wrote:
Massaging the IL should only take two forms IIRC.
First, if we have a simplification we can do. That could be const/copy
propagation, replacing an expression with an SSA_NAME or constant and
the like. It doesn't massage the IL just to massage the
On 10/21/21 3:43 PM, Jeff Law wrote:
On 10/21/2021 6:56 AM, Aldy Hernandez wrote:
On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
wrote:
On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
On 10/18/21 12:52 AM, Jeff Law wrote:
On 10/8/2021
On 10/21/21 3:46 PM, Richard Biener wrote:
On Thu, Oct 21, 2021 at 3:30 PM Aldy Hernandez wrote:
On 10/21/21 3:14 PM, Richard Biener wrote:
On Thu, Oct 21, 2021 at 2:56 PM Aldy Hernandez wrote:
On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
wrote:
On Wed, Oct 20, 2021 at 10:58 PM
On Thu, Oct 21, 2021 at 3:30 PM Aldy Hernandez wrote:
>
>
>
> On 10/21/21 3:14 PM, Richard Biener wrote:
> > On Thu, Oct 21, 2021 at 2:56 PM Aldy Hernandez wrote:
> >>
> >> On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
> >> wrote:
> >>>
> >>> On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
>
On 10/21/2021 6:56 AM, Aldy Hernandez wrote:
On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
wrote:
On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
On 10/18/21 12:52 AM, Jeff Law wrote:
On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches
On 10/21/21 3:14 PM, Richard Biener wrote:
On Thu, Oct 21, 2021 at 2:56 PM Aldy Hernandez wrote:
On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
wrote:
On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
On 10/18/21 12:52 AM, Jeff Law wro
On Thu, Oct 21, 2021 at 2:56 PM Aldy Hernandez wrote:
>
> On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
> wrote:
> >
> > On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
> > >
> > >
> > >
> > > On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
> > > >
> > > >
> > > > On 10/18/21 12:52 AM, Jeff Law
On Thu, Oct 21, 2021 at 12:20 PM Richard Biener
wrote:
>
> On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
> >
> >
> >
> > On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
> > >
> > >
> > > On 10/18/21 12:52 AM, Jeff Law wrote:
> > >>
> > >>
> > >> On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patche
On Wed, Oct 20, 2021 at 10:58 PM Jeff Law wrote:
>
>
>
> On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
> >
> >
> > On 10/18/21 12:52 AM, Jeff Law wrote:
> >>
> >>
> >> On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
> >>> The following patch converts the strlen pass from evrp to ranger,
> Massaging the IL should only take two forms IIRC.
>
> First, if we have a simplification we can do. That could be const/copy
> propagation, replacing an expression with an SSA_NAME or constant and
> the like. It doesn't massage the IL just to massage the IL.
>
> Second, we do temporarily copy p
On 10/18/2021 2:17 AM, Aldy Hernandez wrote:
On 10/18/21 12:52 AM, Jeff Law wrote:
On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining user.
So is there any reason why we can't con
On 10/18/21 12:52 AM, Jeff Law wrote:
On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining user.
So is there any reason why we can't convert DOM as well? DOM's use of
EVRP is pretty
On 10/18/21 12:49 AM, Jeff Law wrote:
On 10/15/2021 4:39 AM, Aldy Hernandez wrote:
On 10/15/21 2:47 AM, Andrew MacLeod wrote:
On 10/14/21 6:07 PM, Martin Sebor via Gcc-patches wrote:
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context aroun
On 10/8/2021 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining user.
So is there any reason why we can't convert DOM as well? DOM's use of
EVRP is pretty limited. You've mentioned FP bits befor
On 10/15/2021 4:39 AM, Aldy Hernandez wrote:
On 10/15/21 2:47 AM, Andrew MacLeod wrote:
On 10/14/21 6:07 PM, Martin Sebor via Gcc-patches wrote:
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context around in the strlen code. I
certainly don't
On 10/15/21 2:47 AM, Andrew MacLeod wrote:
On 10/14/21 6:07 PM, Martin Sebor via Gcc-patches wrote:
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context around in the strlen code. I
certainly don't want to contribute to more.
Most of the handle_*
On 10/14/21 6:07 PM, Martin Sebor via Gcc-patches wrote:
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context around in the strlen code. I
certainly don't want to contribute to more.
Most of the handle_* functions are passing the gsi as well as eith
On 10/14/2021 4:07 PM, Martin Sebor via Gcc-patches wrote:
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context around in the strlen code. I
certainly don't want to contribute to more.
Most of the handle_* functions are passing the gsi as well as
On 10/9/21 12:47 PM, Aldy Hernandez via Gcc-patches wrote:
We seem to be passing a lot of context around in the strlen code. I
certainly don't want to contribute to more.
Most of the handle_* functions are passing the gsi as well as either
ptr_qry or rvals. That looks a bit messy. May I sugge
On Sat, Oct 9, 2021 at 7:59 PM Martin Sebor wrote:
>
> On 10/9/21 10:19 AM, Martin Sebor wrote:
> > On 10/9/21 9:04 AM, Aldy Hernandez wrote:
> >> On Fri, Oct 8, 2021 at 6:52 PM Martin Sebor wrote:
> >>>
> >>> On 10/8/21 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
> The following patch co
We seem to be passing a lot of context around in the strlen code. I
certainly don't want to contribute to more.
Most of the handle_* functions are passing the gsi as well as either
ptr_qry or rvals. That looks a bit messy. May I suggest putting all
of that in the strlen pass object (well, the d
On 10/9/21 10:19 AM, Martin Sebor wrote:
On 10/9/21 9:04 AM, Aldy Hernandez wrote:
On Fri, Oct 8, 2021 at 6:52 PM Martin Sebor wrote:
On 10/8/21 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining
On 10/9/21 9:04 AM, Aldy Hernandez wrote:
On Fri, Oct 8, 2021 at 6:52 PM Martin Sebor wrote:
On 10/8/21 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining user.
Thanks for doing this. I know I s
On Fri, Oct 8, 2021 at 6:52 PM Martin Sebor wrote:
>
> On 10/8/21 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
> > The following patch converts the strlen pass from evrp to ranger,
> > leaving DOM as the last remaining user.
>
> Thanks for doing this. I know I said I'd work on it but I'm still
On 10/8/21 11:56 AM, Andrew MacLeod wrote:
On 10/8/21 12:51 PM, Martin Sebor via Gcc-patches wrote:
I.e., in the test:
void g (char *s1, char *s2)
{
char b[1025];
size_t n = __builtin_strlen (s1), d = __builtin_strlen (s2);
if (n + d + 1 >= 1025)
return;
sprintf (b, "%s.%s", s1,
On 10/8/21 12:51 PM, Martin Sebor via Gcc-patches wrote:
I.e., in the test:
void g (char *s1, char *s2)
{
char b[1025];
size_t n = __builtin_strlen (s1), d = __builtin_strlen (s2);
if (n + d + 1 >= 1025)
return;
sprintf (b, "%s.%s", s1, s2); // { dg-bogus "\\\[-Wformat-overflow" }
On 10/8/21 9:12 AM, Aldy Hernandez via Gcc-patches wrote:
The following patch converts the strlen pass from evrp to ranger,
leaving DOM as the last remaining user.
Thanks for doing this. I know I said I'd work on it but I'm still
bogged down in my stage 1 work that's not going so great :( I j
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