paranoia on PowerPC
Tim Prince
n8tm@aol.com
Tue Jul 24 02:00:00 GMT 2007
joel.sherrill@oarcorp.com wrote:
> Hi,
>
> In analyzing the output of paranoia, Eric Norum
> and I have noticed that when compiled at
> default optimization levels, the results
> are reported to have a flaw. When compiled
> with no optimization, paranoia reports no flaws.
>
> I tried this with RTEMS running on psim using
> gcc 4.2.1. RTEMS uses newlib.
>
> Eric duplicated the problem on a PowerPC Mac
> using gcc 4.0.1.
> We believe this indicates an issue introduced
> by gcc optimization.
>
> Given the age of paranoia (the version included
> with RTEMS is from Cygnus circa 1993), does this
> sound familiar or is this a new issue?
>
Should we know which version of Paranoia this is? or guess which flaw
is reported? I'd be happy to check Paranoia on a platform to which I
have access, with a more interesting gcc version, but you've given
little to go on.
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