https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877
Andrew Pinski changed:
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CC||andi-gcc at firstfloor dot org
--- Comme
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877
Andrew Pinski changed:
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CC||jeffreyalaw at gmail dot com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877
Andrew Pinski changed:
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CC||msharov at users dot
sourceforge.n
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877
Roger Sayle changed:
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Resolution|--- |FIXED
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877
--- Comment #11 from CVS Commits ---
The master branch has been updated by Jakub Jelinek :
https://gcc.gnu.org/g:d58a66aa0faa64bfbd85e528be5104293dd41d0e
commit r12-1712-gd58a66aa0faa64bfbd85e528be5104293dd41d0e
Author: Jakub Jelinek
Date: T
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11877
--- Comment #10 from CVS Commits ---
The master branch has been updated by Roger Sayle :
https://gcc.gnu.org/g:9cedbaab8e048b90ceb9ceef0d851385fae67cde
commit r12-1668-g9cedbaab8e048b90ceb9ceef0d851385fae67cde
Author: Roger Sayle
Date: Mon J
--- Comment #9 from dann at godzilla dot ics dot uci dot edu 2006-01-05
20:22 ---
(In reply to comment #7)
> *** Bug 23338 has been marked as a duplicate of this bug. ***
>
Bug 23338 contained a patch that might fixed this issue. Here it is, so
that it can be evaluated.
*** i386.md
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-12
05:28 ---
PR 23102 is the bug for multiple xors.
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--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-12
05:27 ---
*** Bug 23338 has been marked as a duplicate of this bug. ***
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URL||http://gcc.gnu.org/ml/gcc-
||patches/2004-
|
--- Additional Comments From kazu at cs dot umass dot edu 2004-03-25 19:16
---
Even if you split the long move in ix86_expand_move,
the constant 0 is propagated into the two moves.
I guess the right way may be uncse sometime after register allocation.
--
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--- Additional Comments From kazu at cs dot umass dot edu 2004-02-01 17:24
---
Then we need something like an un-cse pass.
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--- Additional Comments From pinskia at gcc dot gnu dot org 2004-01-04
07:50 ---
What about expanding (set (mem:DI ...) (const_int 0)) at expand time, this will
cause more
opportunities to happen and then the discusion is up to other parts of the
compiler.
It looks like an easy change
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--- Additional Comments From kazu at cs dot umass dot edu 2004-01-04 06:55
---
Patch posted:
http://gcc.gnu.org/ml/gcc-patches/2004-01/msg00153.html
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--- Additional Comments From kazu at cs dot umass dot edu 2003-12-31 21:19
---
(set (mem:DI ...) (const_int 0)) is split into two moves in SImode after reload.
We could delay the split until after peephole2.
In peephole2, if a scratch reg is available,
load 0 into it with XOR and then co
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dhazeghi at yahoo dot com changed:
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GCC build tr
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pinskia at gcc dot gnu dot org changed:
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