RE: [B2-devel] [ANN] Basilisk II JIT snapshot 2004/11/09

[Tomek J. <to...@je...>]

 

> -----Original Message-----
> From: bas...@li... 
> [mailto:bas...@li...] On Behalf 
> Of Bob Deblier
> Sent: Wednesday, November 10, 2004 9:37 AM
> To: bas...@li...
> Subject: Re: [B2-devel] [ANN] Basilisk II JIT snapshot 2004/11/09
> 
> On Wed, 2004-11-10 at 08:38 +0100, Gwenole Beauchesne wrote:
> > Could you copy this line (without -o obj/compemu_support.o and 
> > s/-c/-S) so that you cuold actually read the 
> compemu_support.s generated file?
> > 
> > Then, if this is inline assembly code, it may be surrounded by 
> > something like "#NO_APP". Otherwise, it's compiler generated code.
> 
> The lines in question are:
> #APP
>         push %eax; popf; bsf %esi,%esi; pushf; pop %eax #NO_APP
> 
> Splitting the assembler over multiple lines shows that it's 
> the push % eax and pop %eax; tried fixing it with pushl and 
> popl but that didn't do the trick. Can 64-bit mode only push 
> 64-bit quantities onto the stack?
> 
> Sincerely,
> 
> Bob

Take a look at this:
http://zebra.fh-weingarten.de/~maxi/html/mplayer-dev-eng/2004-10/msg00349.ht
ml

They mention something about limitations with regard to register usage on
x86_64. 

Jerzu