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

[Ludovic Drolez]

Thiemo Seufer wrote:
> Ludovic Drolez wrote:
> [snip]
>
> > Would someone be able to track down this SSE QEMU bug seen only in SLES's 
> > modf() function ?
>
>
> Please test if this patch for qemu changes the behaviour.

Strange... With this, qemu does not run at all (qemu process stuck with 100% 
CPU used).

  Ludo.

> Thiemo
>
>
> Index: Makefile.target
> ===================================================================
> RCS file: /sources/qemu/qemu/Makefile.target,v
> retrieving revision 1.136
> diff -u -p -r1.136 Makefile.target
> --- Makefile.target     7 Jan 2007 22:04:40 -0000       1.136
> +++ Makefile.target     15 Jan 2007 11:59:15 -0000
> @@ -70,7 +70,7 @@ OP_CFLAGS = -Wall -O2 -g -fno-strict-ali
>  
>  ifeq ($(ARCH),i386)
>  HELPER_CFLAGS+=-fomit-frame-pointer
> -OP_CFLAGS+=-mpreferred-stack-boundary=2 -fomit-frame-pointer
> +OP_CFLAGS+=-fomit-frame-pointer
>  ifeq ($(HAVE_GCC3_OPTIONS),yes)
>  OP_CFLAGS+= -falign-functions=0 -fno-gcse
>  else


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