Re: [Caml-list] AMD64 ocamlopt bug

[John Skaller <skaller@users.sourceforge.net>]

On Mon, 2005-06-13 at 21:19 +0200, Xavier Leroy wrote:
> > > > Whilst I personally prefer the ocaml native code compiler,
> > > > at present I can't use it on my AMD64 as there appears
> > 
> > > Do you think I shouldn't release for AMD64? 
> > 
> > See PR#3640 (in Incoming in the Bug Tracker) first:
> > 
> > My guess is if you code works it works... the bug
> > is fairly rare and only triggered in unusual
> > circumstances .. but that is just a guess.
> 
> Yes, PR#3640 is an AMD64-specific code generation bug.  It occurs in
> the uncommon case where a leaf function (a function that doesn't call
> other functions except as a tail-call) accesses a parameter passed on
> the stack (not in registers).  As a rule of thumb, if your tail
> functions have fewer than 9 arguments, you're safe.
> 
> The bug is fixed in the CVS repository, 3.08 bug-fix branch.

Thanks! Nice work finding it! And dumb question: does that mean
the main CVS branch is also fixed? (or will the bug fixed branch
be merged in when 3.09 is released?)

-- 
John Skaller, skaller at users.sf.net
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