[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-03-04 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

Jakub Jelinek  changed:

   What|Removed |Added

   Target Milestone|8.4 |8.5

--- Comment #8 from Jakub Jelinek  ---
GCC 8.4.0 has been released, adjusting target milestone.

[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-01-15 Thread hubicka at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

Jan Hubicka  changed:

   What|Removed |Added

   Keywords|wrong-code  |
 Target|i?86-linux-gnu  |
 Status|NEW |UNCONFIRMED
   Last reconfirmed|2020-01-15 00:00:00 |
Summary|SRA producing wrong code on |[8/9/10 regression] SRA
   |denormals   |producing wrong code on
   ||denormals
 Ever confirmed|1   |0

--- Comment #4 from Jan Hubicka  ---
GCC 4.4 works.

[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-01-15 Thread hubicka at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

--- Comment #5 from Jan Hubicka  ---
Also I think it is violation of C++ memory model since we introduce load+store
pair where there was none before?

[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-01-15 Thread pinskia at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

--- Comment #6 from Andrew Pinski  ---
(In reply to Jan Hubicka from comment #5)
> Also I think it is violation of C++ memory model since we introduce
> load+store pair where there was none before?

No because a cannot be accessed by another thread.  It is not TREE_ADDRESSABLE.

[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-01-15 Thread jamborm at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

Martin Jambor  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2020-01-15
   Assignee|unassigned at gcc dot gnu.org  |jamborm at gcc dot 
gnu.org
 Ever confirmed|0   |1

--- Comment #7 from Martin Jambor  ---
I'll take a look

[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-01-17 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

Richard Biener  changed:

   What|Removed |Added

   Target Milestone|--- |8.4

[Bug tree-optimization/93271] [8/9/10 regression] SRA producing wrong code on denormals

2020-01-17 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93271

Richard Biener  changed:

   What|Removed |Added

   Keywords||wrong-code
   Priority|P3  |P2