[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2006-04-04 Thread pbrook at gcc dot gnu dot org
--- Comment #12 from pbrook at gcc dot gnu dot org 2006-04-04 17:40 --- Subject: Bug 18527 Author: pbrook Date: Tue Apr 4 17:40:00 2006 New Revision: 112675 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112675 Log: 2006-04-04 Paul Brook <[EMAIL PROTECTED]> Backport

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2006-04-02 Thread pbrook at gcc dot gnu dot org
--- Comment #11 from pbrook at gcc dot gnu dot org 2006-04-02 13:19 --- Subject: Bug 18527 Author: pbrook Date: Sun Apr 2 13:19:15 2006 New Revision: 112622 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112622 Log: 2006-04-02 Paul Brook <[EMAIL PROTECTED]> Backport

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2006-01-07 Thread pinskia at gcc dot gnu dot org
--- Comment #10 from pinskia at gcc dot gnu dot org 2006-01-07 16:03 --- Fixed for 4.2.0. -- pinskia at gcc dot gnu dot org changed: What|Removed |Added Stat

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2006-01-06 Thread rakdver at gcc dot gnu dot org
--- Comment #9 from rakdver at gcc dot gnu dot org 2006-01-06 20:23 --- Subject: Bug 18527 Author: rakdver Date: Fri Jan 6 20:22:56 2006 New Revision: 109427 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109427 Log: PR tree-optimization/18527 * tree-ssa-loop-ni

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2006-01-04 Thread rakdver at atrey dot karlin dot mff dot cuni dot cz
--- Comment #8 from rakdver at atrey dot karlin dot mff dot cuni dot cz 2006-01-04 20:55 --- Subject: Re: cannot determine number of iterations for loops with <= > Toon posted an updated patch here: > http://gcc.gnu.org/ml/fortran/2006-01/msg00048.html > > (Toon, I had Andrew add you

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2006-01-04 Thread tobi at gcc dot gnu dot org
--- Comment #7 from tobi at gcc dot gnu dot org 2006-01-04 20:32 --- Toon posted an updated patch here: http://gcc.gnu.org/ml/fortran/2006-01/msg00048.html (Toon, I had Andrew add you to the CC list, because somehow I couldn't, and I think dicussion of the patch should either take place

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2005-10-09 Thread rakdver at gcc dot gnu dot org
--- Comment #6 from rakdver at gcc dot gnu dot org 2005-10-09 19:36 --- With the recent changes to scev analysis that ensure that signed chrecs do not wrap (assuming -fno-wrapv), it is fairly easy to get tree level # of iterations analysis to use this fact, see the attached patch. This

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2005-10-09 Thread rakdver at gcc dot gnu dot org
--- Comment #5 from rakdver at gcc dot gnu dot org 2005-10-09 19:35 --- Created an attachment (id=9948) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9948&action=view) Patch for no-overflow analysis from signedness -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18527

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2005-09-20 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-20 17:51 --- This is fixed with -funsafe-loop-optimizations but there are still some opions needing if it should be on by default at -O2/-O3 or not. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18527

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2005-07-21 Thread pinskia at gcc dot gnu dot org
-- Bug 18527 depends on bug 19210, which changed state. Bug 19210 Summary: not using do-loop for some loops http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19210 What|Old Value |New Value

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2005-03-08 Thread irar at il dot ibm dot com
--- Additional Comments From irar at il dot ibm dot com 2005-03-09 06:56 --- New testcase added: vect-3.f90 (in autovect branch for now). If this PR is solved, testcase vect-3.f90 will be vectorized. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18527

[Bug tree-optimization/18527] cannot determine number of iterations for loops with <=

2005-02-15 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-16 03:37 --- Also related to PR 19210 where we don't use bdnz because we don't know if the loop is finite. -- What|Removed |Added