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* [Bug target/27440] [4.3/4.4 regression] code quality regression due to ivopts
[not found] <bug-27440-4@http.gcc.gnu.org/bugzilla/>
@ 2011-06-27 12:47 ` rguenth at gcc dot gnu.org
2012-03-13 15:47 ` [Bug target/27440] [4.4 " jakub at gcc dot gnu.org
1 sibling, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-06-27 12:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27440
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.3.6 |4.4.7
--- Comment #17 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-27 12:12:28 UTC ---
4.3 branch is being closed, moving to 4.4.7 target.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/27440] [4.4 regression] code quality regression due to ivopts
[not found] <bug-27440-4@http.gcc.gnu.org/bugzilla/>
2011-06-27 12:47 ` [Bug target/27440] [4.3/4.4 regression] code quality regression due to ivopts rguenth at gcc dot gnu.org
@ 2012-03-13 15:47 ` jakub at gcc dot gnu.org
1 sibling, 0 replies; 4+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-03-13 15:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27440
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |jakub at gcc dot gnu.org
Known to work| |
Resolution| |FIXED
Target Milestone|4.4.7 |4.5.0
--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-13 13:00:16 UTC ---
Fixed in 4.5+, 4.4 is no longer supported.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/27440] [4.3/4.4 regression] code quality regression due to ivopts
2006-05-04 22:50 [Bug tree-optimization/27440] New: [4.0/4.1/4.2 " dann at godzilla dot ics dot uci dot edu
2009-12-30 16:40 ` [Bug target/27440] [4.3/4.4 " steven at gcc dot gnu dot org
@ 2010-05-22 18:17 ` rguenth at gcc dot gnu dot org
1 sibling, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-05-22 18:17 UTC (permalink / raw)
To: gcc-bugs
------- Comment #16 from rguenth at gcc dot gnu dot org 2010-05-22 18:11 -------
GCC 4.3.5 is being released, adjusting target milestone.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.3.5 |4.3.6
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27440
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/27440] [4.3/4.4 regression] code quality regression due to ivopts
2006-05-04 22:50 [Bug tree-optimization/27440] New: [4.0/4.1/4.2 " dann at godzilla dot ics dot uci dot edu
@ 2009-12-30 16:40 ` steven at gcc dot gnu dot org
2010-05-22 18:17 ` rguenth at gcc dot gnu dot org
1 sibling, 0 replies; 4+ messages in thread
From: steven at gcc dot gnu dot org @ 2009-12-30 16:40 UTC (permalink / raw)
To: gcc-bugs
------- Comment #15 from steven at gcc dot gnu dot org 2009-12-30 16:39 -------
With "GCC: (GNU) 4.5.0 20091228 (experimental) [trunk revision 155486]" I get
identical code at -O2 with and without -fno-ivopts for i686:
.L3:
movl %ebx, (%ecx,%eax,4)
addl $1, %eax
cmpl %edx, %eax
jb .L3
For x86_64 at -O2, there is still the extra mov. The extra mov is not there
with -Os (with and without -fno-ivopts).
Since the mov on x86_64 is essentially free, I consider this fixed for GCC
4.5.0.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work|3.4.6 |3.4.6 4.5.0
Summary|[4.3/4.4/4.5 regression] |[4.3/4.4 regression] code
|code quality regression due |quality regression due to
|to ivopts |ivopts
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27440
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-03-13 15:47 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-27440-4@http.gcc.gnu.org/bugzilla/>
2011-06-27 12:47 ` [Bug target/27440] [4.3/4.4 regression] code quality regression due to ivopts rguenth at gcc dot gnu.org
2012-03-13 15:47 ` [Bug target/27440] [4.4 " jakub at gcc dot gnu.org
2006-05-04 22:50 [Bug tree-optimization/27440] New: [4.0/4.1/4.2 " dann at godzilla dot ics dot uci dot edu
2009-12-30 16:40 ` [Bug target/27440] [4.3/4.4 " steven at gcc dot gnu dot org
2010-05-22 18:17 ` rguenth at gcc dot gnu dot org
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