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From: jseward@acm.org
To: gcc-gnats@gcc.gnu.org
Cc: Joe.Buck@synopsys.com
Subject: optimization/6165: [i686] stack frame freed too early
Date: Wed, 03 Apr 2002 17:36:00 -0000	[thread overview]
Message-ID: <20020404013052.22049.qmail@sources.redhat.com> (raw)


>Number:         6165
>Category:       optimization
>Synopsis:       [i686] stack frame freed too early
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          wrong-code
>Submitter-Id:   net
>Arrival-Date:   Wed Apr 03 17:36:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Julian Seward
>Release:        3.0.4
>Organization:
>Environment:
i686-linux
>Description:
_ZNSt13basic_filebufIcSt11char_traitsIcEEC1Ev:
        ...
        movl    %ebp, %esp      <--- %esp == %ebp after here
        movl    $0, -16(%ebp)   <--- WRONG; EA = -16(%esp)
        movl    $0, -12(%ebp)   <--- WRONG
        movl    $0, -24(%ebp)   <--- WRONG
        movl    $0, -20(%ebp)   <--- WRONG
>How-To-Repeat:
Compile with -O2 -mcpu=i686:

#include <fstream>
int main(void) {
        std::basic_filebuf<char> foop;
        return 0;
}
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:


             reply	other threads:[~2002-04-04  1:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-03 17:36 jseward [this message]
2002-04-04  2:18 rth
2002-04-04 14:55 rth

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