[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2008-02-01 Thread jsm28 at gcc dot gnu dot org
--- Comment #13 from jsm28 at gcc dot gnu dot org 2008-02-01 16:53 --- 4.2.3 is being released now, changing milestones of open bugs to 4.2.4. -- jsm28 at gcc dot gnu dot org changed: What|Removed |Added

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-10-09 Thread mmitchel at gcc dot gnu dot org
--- Comment #12 from mmitchel at gcc dot gnu dot org 2007-10-09 19:22 --- Change target milestone to 4.2.3, as 4.2.2 has been released. -- mmitchel at gcc dot gnu dot org changed: What|Removed |Added

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-07-19 Thread mmitchel at gcc dot gnu dot org
-- mmitchel at gcc dot gnu dot org changed: What|Removed |Added Target Milestone|4.2.1 |4.2.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31130

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-05-14 Thread mmitchel at gcc dot gnu dot org
--- Comment #11 from mmitchel at gcc dot gnu dot org 2007-05-14 22:27 --- Will not be fixed in 4.2.0; retargeting at 4.2.1. -- mmitchel at gcc dot gnu dot org changed: What|Removed |Added

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-04-30 Thread mmitchel at gcc dot gnu dot org
--- Comment #10 from mmitchel at gcc dot gnu dot org 2007-04-30 19:51 --- I think this probably qualifies as a regression, given Stephen's comment #9, but not an important one. With all of GCC's optimization options, if we start worrying about regressions for things outside the {-O0,

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-04-28 Thread steven at gcc dot gnu dot org
--- Comment #9 from steven at gcc dot gnu dot org 2007-04-28 09:56 --- Re. comment #8, I have to disagree. Add some flag to disable some optimization (DOM iiuc) and you do have a code generation regression. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31130

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-04-27 Thread pinskia at gcc dot gnu dot org
--- Comment #7 from pinskia at gcc dot gnu dot org 2007-04-28 01:41 --- This also happens on the 4.2 branch. -- pinskia at gcc dot gnu dot org changed: What|Removed |Added

[Bug tree-optimization/31130] [4.2/4.3 Regression] VRP no longer derives range for division after negation

2007-04-27 Thread ian at airs dot com
--- Comment #8 from ian at airs dot com 2007-04-28 05:26 --- I don't see why this PR should count as a regression, since there is no regression in the generated code. There is only a change in VRP behaviour. The generated code is the same. This PR is only going to be really