List Archive: gentoo-amd64
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On Thu, Jun 30, 2011 at 6:23 PM, Frank Peters <frank.peters@...> wrote:
> On Fri, 1 Jul 2011 00:58:46 +0000 (UTC)
> Duncan <1i5t5.duncan@...> wrote:
>> I had wondered if this might be an "undefined behavior" optimization bug,
> Well, the amd64 users list may not be the appropriate place to discuss
> C programming, but the problem here stems from attempting to do things
> with C that are not supposed to be done with C. Such things are aptly
> called "tricks" because they stray away from the convention.
> Ideally, I suppose, for these purposes would be to use assembly language
> routines mixed into the C code. But this is not as easy as with the
> Anyway, I'm glad I presented this issue. It has definitely improved
> my understanding. GCC has dozens, if not hundreds, of compile options
> and I know the actual function of only a small few.
> Frank Peters
I think it's completely appropriate for this list. This distro expects
that we put CFLAG options in make.conf so I need to hear about this
stuff even if I don't have to background to completely understand
what's really causing the problem.