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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|--- |4.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33804
--- Comment #10 from irar at il dot ibm dot com 2007-10-30 10:09 ---
Fixed.
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irar at il dot ibm dot com changed:
What|Removed |Added
Status|UNCONFIRMED
--- Comment #9 from irar at gcc dot gnu dot org 2007-10-24 09:35 ---
Subject: Bug 33804
Author: irar
Date: Wed Oct 24 09:35:00 2007
New Revision: 129599
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=129599
Log:
PR tree-optimization/33804
* tree-vect-transform.c
--- Comment #7 from irar at il dot ibm dot com 2007-10-22 06:31 ---
Falk,
Could you please check if the patch in Comment #6 fixes the ICE?
Thanks,
Ira
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33804
--- Comment #8 from falk at debian dot org 2007-10-22 13:47 ---
(In reply to comment #7)
Could you please check if the patch in Comment #6 fixes the ICE?
Yes, this fixes it. Thanks!
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33804
--- Comment #5 from irar at il dot ibm dot com 2007-10-21 08:45 ---
(In reply to comment #4)
Created an attachment (id=14370)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14370action=view) [edit]
Vectorization dump file
Thanks!
The vectorizer fails in transformation phase in
--- Comment #6 from irar at il dot ibm dot com 2007-10-21 12:52 ---
The solution can be just not check if the vectorization is worthwhile during
the transformation. The decision whether to vectorize or not should be made
during the analysis anyway.
The vectorization factor can get
--- Comment #2 from falk at debian dot org 2007-10-18 06:27 ---
Whoops.
void f(unsigned char *s, unsigned char *d, int n) {
int i;
for (i = 0; i n; i += 4) {
d[i + 0] += s[i + 0];
d[i + 1] += s[i + 1];
d[i + 2] += s[i + 2];
d[i + 3] += s[i + 3];
--- Comment #3 from irar at il dot ibm dot com 2007-10-18 08:33 ---
It works fine for me (and the loop gets SLPed) on powerpc-64 and x86_64.
Could you please run it with -fdump-tree-vect-details and attach the dump file?
Ira
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33804
--- Comment #4 from falk at debian dot org 2007-10-18 19:26 ---
Created an attachment (id=14370)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14370action=view)
Vectorization dump file
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33804
--- Comment #1 from ubizjak at gmail dot com 2007-10-18 05:26 ---
Testcase?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33804
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