https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91602
Serge Belyshev changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15684
Jonathan Wakely changed:
What|Removed |Added
Resolution|--- |INVALID
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101307
Jonathan Wakely changed:
What|Removed |Added
Target Milestone|--- |12.0
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101307
--- Comment #3 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:da89dfc2a0cb29d3d8a4f2394eee90d150cf6185
commit r12-2344-gda89dfc2a0cb29d3d8a4f2394eee90d150cf6185
Author: Jonathan Wakely
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101355
--- Comment #2 from Dan Klishch ---
GCC incorrectly gimplifies the program. The code that is causing the warning is
in the coroutine's actor function:
try
{
D.9829 = _ptr->__p;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95681
--- Comment #4 from Stefan Schulze Frielinghaus
---
Running todays mainline (d97d71a1989) using options -O3 -Wall against the
reduced program on x86 as well as s390x results in
t.c: In function 'decNumberCompareTotalMag':
t.c:55:14: warning:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95681
--- Comment #3 from Stefan Schulze Frielinghaus
---
Created attachment 51160
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51160=edit
Reduced program
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101466
--- Comment #12 from Richard Biener ---
(In reply to Richard Biener from comment #11)
> With some hand-waving we could generate
>
> void square(unsigned t, int *tt)
> {
> if (t<=4) __builtin_abort();
> tt[0] = 0;
> tt[1] = 0;
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101466
--- Comment #11 from Richard Biener ---
With some hand-waving we could generate
void square(unsigned t, int *tt)
{
if (t<=4) __builtin_abort();
tt[0] = 0;
tt[1] = 0;
tt[2] = 0;
tt[3] = 0;
tt[4] = 0;
}
but I don't see
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101466
--- Comment #10 from Richard Biener ---
(In reply to cqwrteur from comment #9)
> (In reply to Richard Biener from comment #8)
> > I don't see what we can optimize for the reduced testcases.
>
> void square(unsigned t, int *tt)
> {
> if
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101466
--- Comment #9 from cqwrteur ---
(In reply to Richard Biener from comment #8)
> I don't see what we can optimize for the reduced testcases.
void square(unsigned t, int *tt)
{
if (t<=0) __builtin_abort();
tt[0] = 0;
if (t<=1)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101466
Richard Biener changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101464
--- Comment #3 from Richard Biener ---
But in the long discussion involving vzeroupper and HTM aborts in glibc memory
functions it came up that vpxor is _not_ properly clearing the upper state and
thus does _not_ remove the penalty that
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101462
Richard Biener changed:
What|Removed |Added
Last reconfirmed||2021-07-16
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101461
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |12.0
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