[Qemu-devel] Re: [BUG] QEMU x86_64 SSE bug in modf()

[Ludovic Drolez <ldrolez@linbox.com>]

Carlo Marcelo Arenas Belon wrote:
> On Mon, Jan 15, 2007 at 11:18:01AM +0100, Ludovic Drolez wrote:
> 
>>Float to string conversion uses modf() but this function fails under QEMU 
>>and SLES 64, as you can see in this small test program below:
> 
> 
> pressume you mean running SLES 10 64bit as a guest under QEMU here.
> which version of qemu for the host? and what platform/arch?

Hi !

As said in other posts, the guest is a SLES 10 64 bits, the host under a 
Debian sarge 32 bits, and I use qemu 0.8.2. I also tried the latest CVS, and
the same bug is present.

> the gcc that is used for the glibc in the guest should be irrelevant if all
> the emulated instructions are correctly compiled in the host and there are no
> bugs on them of course.

Yes, I was thinking of a bug in qemu sse/sse2 emulation.

> the host has to be compiled with gcc 3, gcc 4.x won't work even if it
> compiles.

Compiled with gcc 3.3.5.

   Ludovic.

-- 
Ludovic DROLEZ                              Linbox / Free&ALter Soft
www.linbox.com www.linbox.org