--- Comment #11 from rguenth at gcc dot gnu dot org 2008-02-20 22:35
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Fixed since 4.2.0, wontfix on older branches.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
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mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|4.1.2 |4.1.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21715
--- Comment #10 from mmitchel at gcc dot gnu dot org 2006-05-25 02:33
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Will not be fixed in 4.1.1; adjust target milestone to 4.1.2.
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mmitchel at gcc dot gnu dot org changed:
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--- Comment #9 from mmitchel at gcc dot gnu dot org 2006-02-24 00:25
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This issue will not be resolved in GCC 4.1.0; retargeted at GCC 4.1.1.
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mmitchel at gcc dot gnu dot org changed:
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--- Comment #8 from steven at gcc dot gnu dot org 2006-01-10 17:50 ---
The new reassociation pass, or the removal of DOM's reassociation bits, fixed
this on the trunk. We get poorer initial RTL generation out of GCC 4.1 and we
never manage to fix it up:
The .final_cleanup from GCC 4.1
--- Comment #7 from steven at gcc dot gnu dot org 2006-01-07 18:41 ---
GCC 4.1-20060107 still produces the code reported in the original bug report:
:
0: 48 89 f8mov%rdi,%rax
3: 48 f7 d8neg%rax
6: 48 21 c7
--- Comment #6 from kazu at gcc dot gnu dot org 2005-12-19 02:30 ---
I just compiled the testcase on x86_64. I got
foo:
.LFB2:
movq%rdi, %rax
negq%rax
andq%rdi, %rax
ret
which is as good as the assembly generated by 3.4.3.
This is no longer
--- Comment #5 from pinskia at gcc dot gnu dot org 2005-11-06 16:35 ---
I am starting to think what 3.4.x did was just an accident that it got it right
in the first place.
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pinskia at gcc dot gnu dot org changed:
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--- Comment #4 from mmitchel at gcc dot gnu dot org 2005-10-31 03:40
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Leaving as P2.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21715
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Severity|normal |minor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21715
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What|Removed |Added
Target Milestone|4.0.2 |4.0.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21715
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-16
19:04 ---
3.3.5 also fails. I think this is also related to the message on the gcc
mailing list recently:
http://gcc.gnu.org/ml/gcc/2005-09/msg00429.html
This is looks related to 2 operand targets.
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What|Removed |Added
Target Milestone|4.0.1 |4.0.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21715
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-23
18:17 ---
Confirmed.
This is just a RA issue, I don't know how much we can fix for 4.0.x.
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