* Re: [PATCH] string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755]
[not found] ` <CAMAf5_ei=o4i2GKe07xSQg+32uA5Bq+PB3TNNwchTkr0zHevMg@mail.gmail.com>
@ 2022-02-17 19:05 ` H.J. Lu
2022-02-17 19:17 ` Noah Goldstein
0 siblings, 1 reply; 3+ messages in thread
From: H.J. Lu @ 2022-02-17 19:05 UTC (permalink / raw)
To: Sunil Pandey, Libc-stable Mailing List; +Cc: GNU C Library
On Thu, Feb 17, 2022 at 10:58 AM Sunil Pandey <skpgkp2@gmail.com> wrote:
>
> LGTM
>
> Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
I am backporting this to release branches.
> On Thu, Feb 17, 2022 at 8:28 AM H.J. Lu via Libc-alpha
> <libc-alpha@sourceware.org> wrote:
> >
> > Verify that wcsncmp (L"abc", L"abd", SIZE_MAX) == 0. The new test fails
> > without
> >
> > commit ddf0992cf57a93200e0c782e2a94d0733a5a0b87
> > Author: Noah Goldstein <goldstein.w.n@gmail.com>
> > Date: Sun Jan 9 16:02:21 2022 -0600
> >
> > x86: Fix __wcsncmp_avx2 in strcmp-avx2.S [BZ# 28755]
> >
> > and
> >
> > commit 7e08db3359c86c94918feb33a1182cd0ff3bb10b
> > Author: Noah Goldstein <goldstein.w.n@gmail.com>
> > Date: Sun Jan 9 16:02:28 2022 -0600
> >
> > x86: Fix __wcsncmp_evex in strcmp-evex.S [BZ# 28755]
> >
> > This is for BZ #28755.
> > ---
> > string/test-strncmp.c | 13 +++++++++++++
> > 1 file changed, 13 insertions(+)
> >
> > diff --git a/string/test-strncmp.c b/string/test-strncmp.c
> > index df7cea4068..1a87f0e73e 100644
> > --- a/string/test-strncmp.c
> > +++ b/string/test-strncmp.c
> > @@ -445,6 +445,18 @@ check4 (void)
> > check_result (impl, s1, s2, size, exp_result);
> > }
> >
> > +static void
> > +check5 (void)
> > +{
> > + const CHAR *s1 = L ("abc");
> > + CHAR *s2 = STRDUP (s1);
> > +
> > + FOR_EACH_IMPL (impl, 0)
> > + check_result (impl, s1, s2, SIZE_MAX, 0);
> > +
> > + free (s2);
> > +}
> > +
> > static void
> > check_overflow (void)
> > {
> > @@ -569,6 +581,7 @@ test_main (void)
> > check2 ();
> > check3 ();
> > check4 ();
> > + check5 ();
> >
> > printf ("%23s", "");
> > FOR_EACH_IMPL (impl, 0)
> > --
> > 2.35.1
> >
--
H.J.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755]
2022-02-17 19:05 ` [PATCH] string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755] H.J. Lu
@ 2022-02-17 19:17 ` Noah Goldstein
2022-02-17 19:22 ` H.J. Lu
0 siblings, 1 reply; 3+ messages in thread
From: Noah Goldstein @ 2022-02-17 19:17 UTC (permalink / raw)
To: H.J. Lu; +Cc: Sunil Pandey, Libc-stable Mailing List, GNU C Library
On Thu, Feb 17, 2022 at 1:06 PM H.J. Lu via Libc-alpha
<libc-alpha@sourceware.org> wrote:
>
> On Thu, Feb 17, 2022 at 10:58 AM Sunil Pandey <skpgkp2@gmail.com> wrote:
> >
> > LGTM
> >
> > Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
>
> I am backporting this to release branches.
We will also need to backport the change of target for the RTM + AVX2 versions.
>
> > On Thu, Feb 17, 2022 at 8:28 AM H.J. Lu via Libc-alpha
> > <libc-alpha@sourceware.org> wrote:
> > >
> > > Verify that wcsncmp (L"abc", L"abd", SIZE_MAX) == 0. The new test fails
> > > without
> > >
> > > commit ddf0992cf57a93200e0c782e2a94d0733a5a0b87
> > > Author: Noah Goldstein <goldstein.w.n@gmail.com>
> > > Date: Sun Jan 9 16:02:21 2022 -0600
> > >
> > > x86: Fix __wcsncmp_avx2 in strcmp-avx2.S [BZ# 28755]
> > >
> > > and
> > >
> > > commit 7e08db3359c86c94918feb33a1182cd0ff3bb10b
> > > Author: Noah Goldstein <goldstein.w.n@gmail.com>
> > > Date: Sun Jan 9 16:02:28 2022 -0600
> > >
> > > x86: Fix __wcsncmp_evex in strcmp-evex.S [BZ# 28755]
> > >
> > > This is for BZ #28755.
> > > ---
> > > string/test-strncmp.c | 13 +++++++++++++
> > > 1 file changed, 13 insertions(+)
> > >
> > > diff --git a/string/test-strncmp.c b/string/test-strncmp.c
> > > index df7cea4068..1a87f0e73e 100644
> > > --- a/string/test-strncmp.c
> > > +++ b/string/test-strncmp.c
> > > @@ -445,6 +445,18 @@ check4 (void)
> > > check_result (impl, s1, s2, size, exp_result);
> > > }
> > >
> > > +static void
> > > +check5 (void)
> > > +{
> > > + const CHAR *s1 = L ("abc");
> > > + CHAR *s2 = STRDUP (s1);
> > > +
> > > + FOR_EACH_IMPL (impl, 0)
> > > + check_result (impl, s1, s2, SIZE_MAX, 0);
> > > +
> > > + free (s2);
> > > +}
> > > +
> > > static void
> > > check_overflow (void)
> > > {
> > > @@ -569,6 +581,7 @@ test_main (void)
> > > check2 ();
> > > check3 ();
> > > check4 ();
> > > + check5 ();
> > >
> > > printf ("%23s", "");
> > > FOR_EACH_IMPL (impl, 0)
> > > --
> > > 2.35.1
> > >
>
>
>
> --
> H.J.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755]
2022-02-17 19:17 ` Noah Goldstein
@ 2022-02-17 19:22 ` H.J. Lu
0 siblings, 0 replies; 3+ messages in thread
From: H.J. Lu @ 2022-02-17 19:22 UTC (permalink / raw)
To: Noah Goldstein; +Cc: Sunil Pandey, Libc-stable Mailing List, GNU C Library
On Thu, Feb 17, 2022 at 11:17 AM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
>
> On Thu, Feb 17, 2022 at 1:06 PM H.J. Lu via Libc-alpha
> <libc-alpha@sourceware.org> wrote:
> >
> > On Thu, Feb 17, 2022 at 10:58 AM Sunil Pandey <skpgkp2@gmail.com> wrote:
> > >
> > > LGTM
> > >
> > > Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
> >
> > I am backporting this to release branches.
> We will also need to backport the change of target for the RTM + AVX2 versions.
Can you do that after it is landed on master branch?
Thanks.
>
> >
> > > On Thu, Feb 17, 2022 at 8:28 AM H.J. Lu via Libc-alpha
> > > <libc-alpha@sourceware.org> wrote:
> > > >
> > > > Verify that wcsncmp (L"abc", L"abd", SIZE_MAX) == 0. The new test fails
> > > > without
> > > >
> > > > commit ddf0992cf57a93200e0c782e2a94d0733a5a0b87
> > > > Author: Noah Goldstein <goldstein.w.n@gmail.com>
> > > > Date: Sun Jan 9 16:02:21 2022 -0600
> > > >
> > > > x86: Fix __wcsncmp_avx2 in strcmp-avx2.S [BZ# 28755]
> > > >
> > > > and
> > > >
> > > > commit 7e08db3359c86c94918feb33a1182cd0ff3bb10b
> > > > Author: Noah Goldstein <goldstein.w.n@gmail.com>
> > > > Date: Sun Jan 9 16:02:28 2022 -0600
> > > >
> > > > x86: Fix __wcsncmp_evex in strcmp-evex.S [BZ# 28755]
> > > >
> > > > This is for BZ #28755.
> > > > ---
> > > > string/test-strncmp.c | 13 +++++++++++++
> > > > 1 file changed, 13 insertions(+)
> > > >
> > > > diff --git a/string/test-strncmp.c b/string/test-strncmp.c
> > > > index df7cea4068..1a87f0e73e 100644
> > > > --- a/string/test-strncmp.c
> > > > +++ b/string/test-strncmp.c
> > > > @@ -445,6 +445,18 @@ check4 (void)
> > > > check_result (impl, s1, s2, size, exp_result);
> > > > }
> > > >
> > > > +static void
> > > > +check5 (void)
> > > > +{
> > > > + const CHAR *s1 = L ("abc");
> > > > + CHAR *s2 = STRDUP (s1);
> > > > +
> > > > + FOR_EACH_IMPL (impl, 0)
> > > > + check_result (impl, s1, s2, SIZE_MAX, 0);
> > > > +
> > > > + free (s2);
> > > > +}
> > > > +
> > > > static void
> > > > check_overflow (void)
> > > > {
> > > > @@ -569,6 +581,7 @@ test_main (void)
> > > > check2 ();
> > > > check3 ();
> > > > check4 ();
> > > > + check5 ();
> > > >
> > > > printf ("%23s", "");
> > > > FOR_EACH_IMPL (impl, 0)
> > > > --
> > > > 2.35.1
> > > >
> >
> >
> >
> > --
> > H.J.
--
H.J.
^ permalink raw reply [flat|nested] 3+ messages in thread
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[not found] ` <CAMAf5_ei=o4i2GKe07xSQg+32uA5Bq+PB3TNNwchTkr0zHevMg@mail.gmail.com>
2022-02-17 19:05 ` [PATCH] string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755] H.J. Lu
2022-02-17 19:17 ` Noah Goldstein
2022-02-17 19:22 ` H.J. Lu
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