--- Comment #17 from rakdver at gcc dot gnu dot org 2006-10-06 19:32
---
Subject: Bug 29256
Author: rakdver
Date: Fri Oct 6 19:32:04 2006
New Revision: 117513
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117513
Log:
PR middle-end/29256
* tree-ssa-loop-ivopts.
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mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P3 |P2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256
--- Comment #16 from rakdver at gcc dot gnu dot org 2006-09-28 23:48
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Patch for the induction variable selection (that however does not fix the
problem with offsetted addressing modes not being created after unrolling):
http://gcc.gnu.org/ml/gcc-patches/2006-09/msg01308.html
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--- Comment #15 from rakdver at gcc dot gnu dot org 2006-09-28 14:50
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(In reply to comment #8)
> D.1563 = -&a;
> MEM[base: (int *) D.1563 + &c, index: D.1562] = MEM[base: D.1562];
>
> WTFFF
This is caused by my change to ivopts in
http://gcc.gnu.org/ml/gcc-patches/2006-08/m
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rakdver at gcc dot gnu dot org changed:
What|Removed |Added
AssignedTo|unassigned at gcc dot gnu |rakdver at gcc dot gnu dot
|dot org
--- Comment #14 from rakdver at gcc dot gnu dot org 2006-09-28 14:40
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> > > for this loop instead of just one.
> > > Actually unrolling is not need to produced the bad code:
> > > .L2:
> > > lwz 0,0(9)
> > > stwx 0,11,9
> > > addi 9,9,4
> > > bdnz .L2
--- Comment #13 from pinskia at gcc dot gnu dot org 2006-09-28 14:34
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(In reply to comment #12)
> (In reply to comment #11)
> > (In reply to comment #9)
> > > Oh, didn't I fix this? See PR26726.
> > This is unrelated to that as the trees produced is defined but just looks
> > weird
--- Comment #12 from rakdver at gcc dot gnu dot org 2006-09-28 14:21
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(In reply to comment #11)
> (In reply to comment #9)
> > Oh, didn't I fix this? See PR26726.
> This is unrelated to that as the trees produced is defined but just looks
> weird
> and really the one IV selection i
--- Comment #11 from pinskia at gcc dot gnu dot org 2006-09-28 14:16
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(In reply to comment #9)
> Oh, didn't I fix this? See PR26726.
This is unrelated to that as the trees produced is defined but just looks weird
and really the one IV selection is messed up. It should have chosen t
