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rguenth at gcc dot gnu dot org changed:
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--- Comment #8 from steven at gcc dot gnu dot org 2006-11-18 01:27 ---
Shouldn't this be fixed by Roger Sayle's recent fold-const.c patch?
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steven at gcc dot gnu dot org changed:
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--- Comment #9 from pinskia at gcc dot gnu dot org 2006-11-18 01:34 ---
(In reply to comment #8)
Shouldn't this be fixed by Roger Sayle's recent fold-const.c patch?
No, in fact the generic (the one where 2 is turned into a variable) is not
optimized either.
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pinskia at gcc dot
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Bug 9814 depends on bug 29797, which changed state.
Bug 29797 Summary: [4.1/4.2 Regression] Miscompiles bit test / set in OpenOffice
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29797
What|Old Value |New Value
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
BugsThisDependsOn||29797
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9814
--- You
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Last reconfirmed|2006-03-01 02:52:10 |2006-09-17 09:19:25
date||
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Keywords||TREE
Last reconfirmed|2005-09-07 17:40:17 |2006-03-01
--- Comment #7 from pinskia at gcc dot gnu dot org 2005-12-07 03:12 ---
Once fold does (ab)!=0?a|b:a to a and PR 25290 is fixed then this will be
caught at the tree level. There are most likely others like this too.
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pinskia at gcc dot gnu dot org changed:
What
--- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-05-27
02:46 ---
Subject: Bug 9814
CVSROOT:/cvs/gcc
Module name:gcc
Changes by: [EMAIL PROTECTED] 2005-05-27 02:46:01
Modified files:
gcc: ChangeLog ifcvt.c
--- Additional Comments From roger at eyesopen dot com 2005-05-27 02:55
---
This optimization is now performed at the RTL-level, but it would be nice if
this (and several other of ifcvt.c's noce_try_foo optimizations) could be
caught earlier during tree-ssa.
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What
--- Additional Comments From roger at eyesopen dot com 2005-05-22 19:25
---
I posted a patch here: http://gcc.gnu.org/ml/gcc-patches/2005-03/msg01956.html
to implement this in the RTL optimizers. Better to get it linked to the PR,
than slip through the cracks. The proposed change to
--- Additional Comments From steven at gcc dot gnu dot org 2005-01-23
15:25 ---
This is a NOP for me on AMD64 but not on i686.
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What|Removed |Added
GCC host
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GCC target triplet|ix86|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9814
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