testcase question (portability)

[Janis Johnson]

On Tue, Feb 24, 2004 at 07:06:20PM -0400, Aldy Hernandez wrote:
> Hi folks.
> 
> I'm thinking of adding this test, but I'm not sure it's 64-bit
> portable, sane across all architectures, etc.  BTW, this is the
> distilled testcase for the patch I just committed.
> 
> Cheers.
> Aldy
> 
> #define IM 2147483648u
> 
> int main()
> {
>   int ival = 0x7ea4766d;
> 
>   ival = (int) ((float) ival * 43.999F / (float) IM);
>   if (ival != 43)
>     abort ();
>   exit (0);
> }

With default options this test compiles and runs without aborting on
powerpc-linux, powerpc64-linux, ia64-linux, and i686-pc-linux-gnu using
whatever random versions of GCC were installed on the systems I tried.

Janis