On Sat, Jul 01, 2006 at 12:41:54AM +0200, Vincent Fourmond wrote:
There definitely *is* a problem in the last iteration. I wonder if it is a
compiler bug or a
processor bug -- I can't speak assembler anymore.
This rather looks like UB or such.
int main()
{
unsigned long iters;
int
Hello,
Hmm, I'm pretty sure that the type of signed int unsigned long is
signed int. (Yes it is, see 6.5.7.) signed int is 32 bits long and
the largest value is 2^31-1. 2^31 overflows and the overflow behaviour
of signed integers is undefined.
Oops, that explains a lot. Sorry for the
Package: gcc-4.1
Version: 4.1.1-5
Severity: important
Justification: causes FTBS for at least one package (fftw)
Hello !
I simply compile and run the program attached on my amd64 box, and I get the
following results:
iteration 0, iters = 1
iteration 1, iters = 2
iteration 2, iters = 4
3 matches
Mail list logo
