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What|Removed |Added
OtherBugsDependingO||5900
nThis||
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
--- Additional Comments From steven at gcc dot gnu dot org 2005-01-26
10:00 ---
Is there a test case someone can attach to this bug?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
--- Additional Comments From Thomas dot Koenig at online dot de 2005-01-26
15:26 ---
(In reply to comment #8)
Is there a test case someone can attach to this bug?
I'm working on it. The error vanishes if slasy2.f is
compiled with -O0, which is at least a start.
An equivalent error
--- Additional Comments From Thomas dot Koenig at online dot de 2005-01-26
17:23 ---
Here we go:
$ cat sl-error.f
implicit none
real x(2,2)
call foo(x)
end
subroutine foo(x)
real x(2,2)
real tmp(4), t16(4,4), btmp(4),temp
DO 120 I = 1, 4
--- Additional Comments From sgk at troutmask dot apl dot washington dot
edu 2005-01-26 19:07 ---
Thomas,
Your reduce test case compiles and runs fine on amd64-*-freebsd6.0.
This must be a target bug.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
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Bug 18977 depends on bug 17675, which changed state.
Bug 17675 Summary: [Regression w.r.t. g77] Alignment constraints not honored in
EQUIVALENCE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17675
What|Old Value |New Value
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Bug 18977 depends on bug 17675, which changed state.
Bug 17675 Summary: [Regression w.r.t. g77] Alignment constraints not honored in
EQUIVALENCE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17675
What|Old Value |New Value
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Bug 18977 depends on bug 17675, which changed state.
Bug 17675 Summary: [Regression w.r.t. g77] Alignment constraints not honored in
EQUIVALENCE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17675
What|Old Value |New Value
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Keywords||wrong-code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
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What|Removed |Added
OtherBugsDependingO||19292
nThis||
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
--- Additional Comments From giovannibajo at libero dot it 2005-01-06
15:43 ---
I'm no Fortran guru, but could be this related to PR 17675?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-06
15:46 ---
Yes this is most likely PR 17675 which effects all targets where unaligned
loads cause an processor
exception (and the OS does not handle it) (ia64 is one of these targets).
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What
--- Additional Comments From Thomas dot Koenig at online dot de 2005-01-06
17:01 ---
(In reply to comment #5)
I'm no Fortran guru, but could be this related to PR 17675?
I don't think this is an alignment problem. Apparently,
ia64-unknown-linux-gnu sets up the processor differently
--- Additional Comments From Thomas dot Koenig at online dot de 2004-12-17
09:30 ---
With 20041121, there was a problem with
xeigtstc hanging with -O1 on IA-64.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18977
--- Additional Comments From Thomas dot Koenig at online dot de 2004-12-16
15:59 ---
I reran the tests with the 20041114 snapshot at -O1, and
the segfault did indeed go away, so this is a regression.
Quite likely, this is a IA-64 target problem.
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--- Additional Comments From sgk at troutmask dot apl dot washington dot
edu 2004-12-14 16:06 ---
My success with LAPACK is on i386-*-FreeBSD. LAPACK
dies a horrible death on amd64-*-FreeBSD. Your segfault
is a BUS ERROR for me. I believe this is a x86_64 target
problem.
--
steve
--- Additional Comments From Thomas dot Koenig at online dot de 2004-12-14
11:08 ---
Same problem with -O1 . -O0 doesn't segfault.
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