http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Priority|P3 |P2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|4.3.6 |4.4.7
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #8 from asharif at gcc dot gnu.org 2011-03-01 19:39:49 UTC ---
Ping. Andrew or Richard, how can I rework my patch to address this issue?
Thanks,
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #3 from asharif at gcc dot gnu.org 2011-02-03 22:19:10 UTC ---
Created attachment 23242
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23242
This patch fixes the problem, but may be pessimistic.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #4 from asharif at gcc dot gnu.org 2011-02-03 22:19:37 UTC ---
Richard, check out the attached patch and let me know your thoughts.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #5 from Andrew Pinski pinskia at gcc dot gnu.org 2011-02-03
22:23:36 UTC ---
I almost want to say LOOP_VINFO_NITERS should not have abnormal SSA's to begin
with.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #6 from asharif at gcc dot gnu.org 2011-02-03 22:25:01 UTC ---
What happens is tree vectorization introduces code in the preheader to check
for the loop iterations at runtime. The expression holding the number of
iterations may contain
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #7 from asharif at gcc dot gnu.org 2011-02-03 22:26:48 UTC ---
(In reply to comment #5)
I almost want to say LOOP_VINFO_NITERS should not have abnormal SSA's to begin
with.
Andrew, shouldn't it be fine to have abnormal SSAs as long
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
--- Comment #2 from asharif at gcc dot gnu.org 2011-01-26 21:50:26 UTC ---
It seems like this bug is reproducible on older versions of the trunk.
This change:
http://gcc.gnu.org/viewcvs?view=revisionrevision=146776
seems to suppress it (or fix
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47447
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
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