[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

-- What|Removed |Added Target Milestone|--- |4.0.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18792

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From dberlin at gcc dot gnu dot org 2005-01-06 22:27 --- Fixed -- What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-01-06 22:08 --- Subject: Bug 18792 CVSROOT:/cvs/gcc Module name:gcc Changes by: [EMAIL PROTECTED] 2005-01-06 22:08:27 Modified files: gcc: ChangeLog tree-data-ref.c tree-loop-l

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From steven at gcc dot gnu dot org 2005-01-06 08:48 --- Patch here for the record: http://gcc.gnu.org/ml/gcc-patches/2004-12/msg00948.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18792

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From mmitchel at gcc dot gnu dot org 2005-01-06 07:21 --- This patch is OK, with Sebastian's requested changes. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18792

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From dberlin at dberlin dot org 2004-12-17 21:12 --- Subject: Re: ICE with -O1 -ftree-loop-linear on small test case Because the submitted patch has not yet been approved and applied. On Fri, 17 Dec 2004, fjahanian at apple dot com wrote: > > --- Additio

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From fjahanian at apple dot com 2004-12-17 19:40 --- Why hasn't been there be a resolution of this PR? It seems that all issues, including elimination of loop numbers, etc. have been taken care of. Thanks. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18792

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-09 00:04 --- Patch here: . -- What|Removed |Added

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From dberlin at gcc dot gnu dot org 2004-12-07 23:22 --- Patch coming -- What|Removed |Added AssignedTo|unassigned at gcc dot gnu |dberlin

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni dot cz 2004-12-07 23:13 --- Subject: Re: ICE with -O1 -ftree-loop-linear on small test case > --- Additional Comments From dberlin at dberlin dot org 2004-12-07 23:09 > --- > Subject: Re: ICE with -O1

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From dberlin at dberlin dot org 2004-12-07 23:09 --- Subject: Re: ICE with -O1 -ftree-loop-linear on small test case It's actually a bug in compute_data_dependence then, not linear xforms. the dist and dir vector computation functions need to map between the

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni dot cz 2004-12-07 23:04 --- Subject: Re: ICE with -O1 -ftree-loop-linear on small test case > >> There are basically two ways how to fix this: either make the code > >> that changes the order of loops in the nes

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From fjahanian at apple dot com 2004-12-07 23:04 --- I agree that bug is before linear loop xform. Make a slight, none-cfg change to the test case and loop_nbr come out different (and sequential in the nesting). Somehow, changing the first loop condition makes a

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From dberlin at dberlin dot org 2004-12-07 22:56 --- Subject: Re: ICE with -O1 -ftree-loop-linear on small test case > >> There are basically two ways how to fix this: either make the code >> that changes the order of loops in the nests to also renumber the lo

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni dot cz 2004-12-07 22:53 --- Subject: Re: ICE with -O1 -ftree-loop-linear on small test case > There are basically two ways how to fix this: either make the code > that changes the order of loops in the nests to

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From rakdver at gcc dot gnu dot org 2004-12-07 22:50 --- There are basically two ways how to fix this: either make the code that changes the order of loops in the nests to also renumber the loops (which would in turn invalidate all scev caches, that would need to

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From fjahanian at apple dot com 2004-12-07 22:37 --- Zdenek, Could you take a look at this? -- What|Removed |Added CC|

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From dberlin at gcc dot gnu dot org 2004-12-03 00:44 --- This happens because the loops aren't numbered as we expect them (we expect that loop nests have sequential numbers as you move inwards) IE loop 1 loop 2 loop 3 loop 4 loop 5 loop 6 Here we

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

--- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-02 19:43 --- Confirmed. -- What|Removed |Added Status|UNCONFIRMED |NEW E

[Bug tree-optimization/18792] ICE with -O1 -ftree-loop-linear on small test case

-- What|Removed |Added CC||dberlin at gcc dot gnu dot ||org, spop at gcc dot gnu dot