https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #12 from Richard Biener ---
Author: rguenth
Date: Thu Jun 22 11:46:45 2017
New Revision: 249552
URL: https://gcc.gnu.org/viewcvs?rev=249552=gcc=rev
Log:
2017-06-22 Richard Biener
Backport from mainline
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #10 from Richard Biener ---
Author: rguenth
Date: Fri Feb 17 10:43:27 2017
New Revision: 245528
URL: https://gcc.gnu.org/viewcvs?rev=245528=gcc=rev
Log:
2017-02-17 Richard Biener
PR
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
Richard Biener changed:
What|Removed |Added
Priority|P3 |P2
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
Richard Biener changed:
What|Removed |Added
Depends on||43434
--- Comment #8 from Richard
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #7 from Uroš Bizjak ---
(In reply to Katsunori Kumatani from comment #3)
> In my case, I explicitly told GCC what memory I was going to clobber (with
> the "=m"(*m) output operand). In fact, without telling it I was going to
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #6 from Jakub Jelinek ---
So your patch is effectively revesal of PR48885. But then we need some other
fix for it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #4 from Richard Biener ---
Ah...
FOR_EACH_IMM_USE_STMT (use_stmt, ui, ptr)
{
/* ??? Calls and asms. */
if (!gimple_assign_single_p (use_stmt))
continue;
and at PTA
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #3 from Katsunori Kumatani ---
(In reply to Uroš Bizjak from comment #1)
> (In reply to Katsunori Kumatani from comment #0)
>
> > Things to note:
> >
> > This happens on GCC 6 and up to 7 only, GCC 5.4 generates correct output.
> >
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
--- Comment #1 from Uroš Bizjak ---
(In reply to Katsunori Kumatani from comment #0)
> Things to note:
>
> This happens on GCC 6 and up to 7 only, GCC 5.4 generates correct output.
> This happens once you turn on the -fschedule-insns option.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79552
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |6.4
Summary|[Regression GCC
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