--- Comment #12 from dorit at il dot ibm dot com 2007-07-01 09:30 ---
Subject: Re: -ftree-vectorize results in internal compiler error on AMD64
Zdenek's patch for cleaning the dataref analysis is also fixing this bug.
http://gcc.gnu.org/ml/gcc-patches/2007-05/msg00634.html
So now
--- Comment #13 from ubizjak at gmail dot com 2007-07-01 09:52 ---
(In reply to comment #12)
Subject: Re: -ftree-vectorize results in internal compiler error on AMD64
Zdenek's patch for cleaning the dataref analysis is also fixing this bug.
--- Comment #14 from dorit at gcc dot gnu dot org 2007-07-01 10:12 ---
So now that Zdenek's patch went in, can someone confirm if this problem
doesn't
occur anymore on x86_64?
Compiles OK for original and reduced testcase (-O2 -ftree-vectorize) with:
Target:
--- Comment #15 from uros at gcc dot gnu dot org 2007-07-01 10:30 ---
Subject: Bug 25371
Author: uros
Date: Sun Jul 1 10:30:31 2007
New Revision: 126163
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=126163
Log:
PR tree-optimization/25371
* gcc.dg/vect/pr25371.c:
--- Comment #16 from ubizjak at gmail dot com 2007-07-01 10:32 ---
Closed, not marked as a regression.
--
ubizjak at gmail dot com changed:
What|Removed |Added
--- Comment #9 from spop at gcc dot gnu dot org 2007-05-10 08:24 ---
Subject: Re: -ftree-vectorize results in internal compiler error on AMD64
I was still thinking about how to fix this, and the solution seems to me
to not instantiate the initial value of the induction variable if it
--- Comment #10 from sebastian dot pop at cri dot ensmp dot fr 2007-05-10
09:32 ---
Subject: Re: -ftree-vectorize results in internal compiler error on AMD64
Zdenek's patch for cleaning the dataref analysis is also fixing this bug.
--- Comment #11 from rakdver at gcc dot gnu dot org 2007-05-10 10:46
---
Simplified testcase:
void
slow_close(int n)
{
int i;
double *mm;
for (i=0;i2*n;i++)
for (i=0;i2*n;i++)
*(mm+i*2*n+i) = 0;
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25371
--- Comment #7 from spop at gcc dot gnu dot org 2007-05-08 21:19 ---
Subject: Re: -ftree-vectorize results in internal compiler error on AMD64
On 5/8/07, Sjodin, Jan [EMAIL PROTECTED] wrote:
Okay, I looked at the code, and the problem is that we have to pass to
PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Sebastian
Pop
Sent: Tuesday, May 08, 2007 3:19 PM
To: [EMAIL PROTECTED]
Cc: Sjodin, Jan
Subject: Re: [Bug tree-optimization/25371] -ftree-vectorize results in
internal compiler error on AMD64
On 5/8/07, Sjodin, Jan [EMAIL PROTECTED] wrote
--- Comment #6 from irar at il dot ibm dot com 2007-03-11 10:33 ---
Harsha, could you please attach vectorizer's dump file (produced with
-fdump-tree-vect-details)?
Thanks,
Ira
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25371
--- Comment #5 from harsha dot jagasia at amd dot com 2007-03-01 23:18
---
I could reproduce this with 4.1, 4.2, 4.3 and the autovect branch (from svn) on
x86-64 (but not on x86):
obj-4.1/bin/gcc -c -ftree-vectorize -O2 oct_makes_gcc_explode.i
oct_makes_gcc_explode.i: In function
--- Comment #4 from sebastian dot pop at cri dot ensmp dot fr 2006-01-05
16:32 ---
(In reply to comment #3)
Vectorizer's dump file can help.
vect dump ends with:
/home/seb/ex/pr25371.c:26: note: Access function of PHI: {0, +,
1}_4(get_loop_exit_condition
if (i_99 D.1700_228)
--- Comment #3 from irar at il dot ibm dot com 2005-12-18 08:15 ---
I failed to reproduce this ICE on ppc and i686.
Vectorizer's dump file can help.
--
irar at il dot ibm dot com changed:
What|Removed |Added
--- Comment #1 from David dot Monniaux at ens dot fr 2005-12-12 16:24
---
The above error message was for 4.0.1. On 4.0.2 it's gimplify.c:4186.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25371
--- Comment #2 from pinskia at gcc dot gnu dot org 2005-12-12 18:47 ---
We have a polynomial_chrec here for some reason.
(gdb) p debug_generic_expr(*expr_p)
{0, +, nD.1614_23}_4
--
pinskia at gcc dot gnu dot org changed:
What|Removed |Added
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