List Archive: gentoo-amd64
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Frank Peters writes:
> After banging my head for a while over some strange results, I began
> to suspect GCC-4.5.2, the latest version in portage, was creating
> faulty code.
> It seems to a correct suspicion.
> The problem can be fixed by compiling the program with "O1"
> For anyone who wants to try to duplicate these results, please feel
> free to do so.
> So I will have to conclude that GCC-4.5.2 has serious problems.
> This kind of erroneous behavior could appear anywhere.
Oh dear, that's scary. I can confirm this. With -O0, -O1 and -O3, all is
fine. -O2 gives the result you see. And with -Os, I get yet another
result (0/0, 4/4, 8/8).
This is an AMD Athlon(tm) Dual Core Processor 4850e, gcc has been
copmpiled with these use flags: fortran gtk mudflap multilib nls nptl openmp
Who will file the bug report now?