public inbox for gcc-prs@sourceware.org
help / color / mirror / Atom feed
* Re: optimization/3357: wrong optimization with option '-O3'
@ 2002-04-02 2:12 rth
0 siblings, 0 replies; 2+ messages in thread
From: rth @ 2002-04-02 2:12 UTC (permalink / raw)
To: Andreas.Krakowczyk, Erwin.Unruh, Joachim.Canisius, gcc-bugs,
gcc-prs, nobody
Synopsis: wrong optimization with option '-O3'
State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Tue Apr 2 02:12:09 2002
State-Changed-Why:
Fixed for gcc 3.1.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=3357
^ permalink raw reply [flat|nested] 2+ messages in thread
* optimization/3357: wrong optimization with option '-O3'
@ 2001-06-22 3:06 Andreas.Krakowczyk
0 siblings, 0 replies; 2+ messages in thread
From: Andreas.Krakowczyk @ 2001-06-22 3:06 UTC (permalink / raw)
To: gcc-gnats; +Cc: Erwin.Unruh, Joachim.Canisius
>Number: 3357
>Category: optimization
>Synopsis: wrong optimization with option '-O3'
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Fri Jun 22 03:06:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Andreas Krakowczyk
>Release: gcc-3.0
>Organization:
>Environment:
sparc-sun-solaris2.8
>Description:
program gives incorrect result when compiled with option '-O3'
>How-To-Repeat:
gcc -O3 bug6.c && ./a.out
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/x-unknown-content-type-c_auto_file; name="bug6.c"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="bug6.c"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^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2002-04-02 10:12 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2002-04-02 2:12 optimization/3357: wrong optimization with option '-O3' rth
-- strict thread matches above, loose matches on Subject: below --
2001-06-22 3:06 Andreas.Krakowczyk
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).