Re: FW: Bug in the vxWorks cross compiler

[Lennert Buytenhek <buytenh at wantstofly dot org>]

On Wed, Nov 17, 2004 at 03:03:14PM -0500, Thompson, David H. wrote:

> In the compiler shipped with the vxWorks 5.5.1 we have found a bug when
> -O2 is used.  The compiler version is 2.9.6+, the error happens on both
> the Solaris host and on a Linux host.  The target is PPC.  Has anyone
> seen this in other versions of the compiler or know what the fix is?
> 
> #include <stdio.h>
> 
> 
> int test(int argc,char * argv[])
> {
> 
>     double stack[]={0.0,1.0};
>     double * pStack=&stack[0];
>     double response;
> 
>     response=(*pStack==*(pStack+1));
>     printf("Response=%f\n",response);
>     return 0;
> }
> 
> Response gets set to 1 instead of the expected 0.

Just a data point, works fine here on gcc 3.4.2.


--L

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