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From: ehrhardt@mathematik.uni-ulm.de
To: Raphael.Quinet@eed.ericsson.se, gcc-bugs@gcc.gnu.org,
	gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org
Subject: Re: target/10702: incorrect code generated on Sparc for expression combining increment and decrement of same variable
Date: Fri, 09 May 2003 12:49:00 -0000	[thread overview]
Message-ID: <20030509124912.24667.qmail@sources.redhat.com> (raw)

Synopsis: incorrect code generated on Sparc for expression combining increment and decrement of same variable

State-Changed-From-To: open->closed
State-Changed-By: cae
State-Changed-When: Fri May  9 12:49:11 2003
State-Changed-Why:
    Not a bug. You're invoking undefined behaviour. There is no
    sequence point beteween the two postfix operations on x, hence
    there is no guarantee that the result of the first operation is written
    back into x before the second operation.
    
        regards    Christian

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10702


             reply	other threads:[~2003-05-09 12:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-09 12:49 ehrhardt [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-05-09 12:36 Raphael.Quinet

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