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* Re: optimization/8396: optimizer ICE on SPARC
@ 2002-10-30 1:16 Dimitri Papadopoulos
0 siblings, 0 replies; 2+ messages in thread
From: Dimitri Papadopoulos @ 2002-10-30 1:16 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR optimization/8396; it has been noted by GNATS.
From: Dimitri Papadopoulos <papadopo@REMOVE.shfj.DECOY.cea.fr>
To: gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
papadopo@shfj.REMOVE.cea.DECOY.fr.cea.fr, gcc-bugs@gcc.gnu.org
Cc:
Subject: Re: optimization/8396: optimizer ICE on SPARC
Date: Wed, 30 Oct 2002 10:09:27 +0100
This is a multi-part message in MIME format.
--------------060007050009070405090207
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8396
Attached is a much shorter example that reproduces the bug.
--------------060007050009070405090207
Content-Type: text/plain;
name="didispfn.cc"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
filename="didispfn.cc"
template <typename T1>
struct Foo
{
static void bar(const T1 xs, const T1 xe)
{
void *a;
void *b;
void *c;
if (a && b && c && (xs < xe))
;
}
};
int main()
{
short xe;
Foo<short>::bar(0, xe);
}
--------------060007050009070405090207--
^ permalink raw reply [flat|nested] 2+ messages in thread
* optimization/8396: optimizer ICE on SPARC
@ 2002-10-30 0:36 papadopo
0 siblings, 0 replies; 2+ messages in thread
From: papadopo @ 2002-10-30 0:36 UTC (permalink / raw)
To: gcc-gnats
>Number: 8396
>Category: optimization
>Synopsis: optimizer ICE on SPARC
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Wed Oct 30 00:36:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: papadopo@shfj.REMOVE.cea.DECOY.fr
>Release: gcc-3.2
>Organization:
>Environment:
>Description:
Hi,
I'm attempting to build the DICOM Toolkit using GCC 3.2 + GNU binutils 2.12.1 on SPARC / Solaris 8. I get this error:
c++ -DHAVE_CONFIG_H -DNDEBUG -c -I. -I. -I../include -I../../config/include -I../../ofstd/include -I../../dcmdata/include \
-O -I/usr/local/tiff/include -I/usr/local/openssl/include -D_REENTRANT -Wall -pedantic didispfn.cc
../include/dicrvfit.h: In member function `int
DiDisplayFunction::interpolateValues()':
../include/dicrvfit.h:164: Internal compiler error in copy_to_mode_reg, at
explow.c:711
Please submit a full bug report,
with preprocessed source if appropriate.
This is an optimizer bug, removing the "-O" option flag fixes the bug.
I can work around the problem by changing the relevant code from:
if (... && (xs < xe))
to:
if (... && (xe > xs))
Note: I haven't tried removing useless stuff from the preprocessed file because I thought it wouldn't help in this particular case. I can try to build a minimal test case if that's important.
>How-To-Repeat:
Compile the attached preprocessed file:
c++ -c -O didispfn.i
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2002-10-30 9:16 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2002-10-30 1:16 optimization/8396: optimizer ICE on SPARC Dimitri Papadopoulos
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2002-10-30 0:36 papadopo
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