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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Status|WAITING |NEW
Ever Confirmed|0 |1
Last
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mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42431
--- Comment #8 from bergner at gcc dot gnu dot org 2010-02-16 20:02 ---
Thanks for the reduced testcase. I'll have a look at what's wrong.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42431
--- Comment #5 from janis at gcc dot gnu dot org 2010-02-12 20:35 ---
Created an attachment (id=19853)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19853action=view)
minimized executable testcase
Compile with -m64 -O2 -maltivec -ftree-vectorize -fdata-sections.
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--- Comment #6 from janis at gcc dot gnu dot org 2010-02-12 20:36 ---
In the attached testcase wrong code is generated for the loop in subroutine
sub3 that sets 12 of the elements of array k to zero. While minimizing the
testcase I saw different kinds of bad code for that array, but
--- Comment #7 from pthaugen at gcc dot gnu dot org 2010-02-12 23:16
---
This looks like an ira/reload bug. The ira dump is where the offending insns
first show up.
(insn 17 26 244 3 pr42431.f:27 (set (mem:V4SI (reg/f:DI 29 29 [255]) [4 S16
A128])
(reg:V4SI 108 31 [269])) 942
--- Comment #4 from janis at gcc dot gnu dot org 2010-02-09 22:38 ---
Peter and Mike, can one of you please look at this bug? It looks like
something that you could figure out without a minimized testcase, but if it
helps I'll come up with one. I can also do a regression hunt if that
--- Comment #3 from janis at gcc dot gnu dot org 2010-01-04 18:06 ---
No testcase yet, I was hoping to get bergner or meissner to look at it since
they have access to the benchmark.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42431
--- Comment #2 from rguenth at gcc dot gnu dot org 2010-01-02 16:06 ---
Testcaese?
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Summary|wrong code for 200.sixtrack |[4.5 Regression] wrong code
|with vectorization
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