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Re: [Qemu-devel] qemu/target-ppc op_helper.c
From: |
J. Mayer |
Subject: |
Re: [Qemu-devel] qemu/target-ppc op_helper.c |
Date: |
Mon, 29 Oct 2007 22:21:26 +0100 |
On Mon, 2007-10-29 at 22:12 +0100, Aurelien Jarno wrote:
> > CVSROOT: /sources/qemu
> > Module name: qemu
> > Changes by: Jocelyn Mayer <j_mayer> 07/10/27 17:59:46
> >
> > Modified files:
> > target-ppc : op_helper.c
> >
> > Log message:
> > PowerPC float bugfix: 64 bits float mantissa is 52 bits long.
> >
> > CVSWeb URLs:
> > http://cvs.savannah.gnu.org/viewcvs/qemu/target-ppc/op_helper.c?cvsroot=qemu&r1=1.55&r2=1.56
>
>
> I know that it looks strange, but this commit breaks perl. The function
> mkdir(dir, mode) sometimes does not set the mode correctly. This can be
> easily reproduce on Debian by using "dpkg-source -x file.dsc", which
> fails due to wrong permission.
>
> I am using qemu-system-ppc -M prep -cpu G3
Thanks for the report !
Could you please try replacing the 0x3FF mask with 0x7FF ? As the
exponent is supposed to be 11 bits, my patch is obviously still buggy...
I noticed there was a bug somewhere, but was not convinced it was in the
FPU emulation... Now ...
--
J. Mayer <address@hidden>
Never organized