Bug 9426 - [3.2 regression] SegFault during optimization
Summary: [3.2 regression] SegFault during optimization
Status: RESOLVED FIXED
Alias: None
Product: gcc
Classification: Unclassified
Component: rtl-optimization (show other bugs)
Version: 3.2.1
: P3 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
URL:
Keywords: ice-on-valid-code
Depends on:
Blocks:
 
Reported: 2003-01-23 19:56 UTC by maddinp
Modified: 2003-07-25 17:33 UTC (History)
4 users (show)

See Also:
Host:
Target:
Build:
Known to work:
Known to fail:
Last reconfirmed:


Attachments
fastsid.c (549 bytes, text/x-c )
2003-05-21 15:17 UTC, maddinp
Details

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Description maddinp 2003-01-23 19:56:00 UTC
faults during .bp

gcc -c fastsid.c -O2 -fssa -fprofile-arcs -funroll-loops \
 -freduce-all-givs -fmove-all-movables 

fastsid.c: In function `foo':
fastsid.c:22: internal error: Segmentation fault

Release:
gcc 3.2.1
Comment 1 Wolfgang Bangerth 2003-01-23 20:16:07 UTC
State-Changed-From-To: open->feedback
State-Changed-Why: Hm, I can't reproduce this on my system. Are you using stock
    gcc3.2.1, or a version from your Linux distro (SuSE, Redhat)?
    
    Wolfgang
Comment 2 maddinp 2003-01-24 20:21:58 UTC
From: =?iso-8859-1?q?Martin=20Pils?= <maddinp@yahoo.de>
To: bangerth@dealii.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org,
  nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Cc:  
Subject: Re: optimization/9426: gcc 3.2.1 crash during optimization
Date: Fri, 24 Jan 2003 20:21:58 +0100 (CET)

 --0-1251078435-1043436118=:18107
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 Content-Disposition: inline
 
 > Hm, I can't reproduce this on my system. Are you
 using stock gcc3.2.1, or a version from your Linux
 distro (SuSE, Redhat)?
 
 stock and compiled for i586 using gcc 3.2; and again
 with 3.2.1 itself.
 I've attached the output compiling with -da
 hope that helps
 
 Martin
 
 
 __________________________________________________________________
 
 Gesendet von Yahoo! Mail - http://mail.yahoo.de
 Bis zu 100 MB Speicher bei http://premiummail.yahoo.de
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 --0-1251078435-1043436118=:18107--
Comment 3 Wolfgang Bangerth 2003-01-31 20:42:58 UTC
State-Changed-From-To: feedback->analyzed
State-Changed-Why: I can reproduce this with the little testcase that is
    given in the feedback mail. Note that one needs to add
    either -march=i486 or i586 to the command line, the
    problem doesn't happen with i686 (which is the default for
    me, which is why I didn't see the ICE at first).
    
    The bug is fixed with present 3.3 and 3.4 CVS, but since 
    this worked in 3.0.4, I keep the report open as a regression
    as long as the 3.2 branch is still maintained.
    
    W.
Comment 4 s.bosscher 2003-02-04 11:31:42 UTC
From: Steven Bosscher <s.bosscher@student.tudelft.nl>
To: gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org,
	gcc-prs@gcc.gnu.org, maddinp@yahoo.de
Cc:  
Subject: Re: optimization/9426 (regression)
Date: 04 Feb 2003 11:31:42 +0100

 This looks like a duplicate of 9357.  Both PRs are compiled with "-fssa
 -funroll-loops -fprofile-arcs".
 
 
 
 
Comment 5 Joe Buck 2003-04-25 20:04:58 UTC
State-Changed-From-To: analyzed->closed
State-Changed-Why: Fixed for 3.3.