Re: [Qemu-devel] [PATCH 1/9] target-sh4: switch sh4 to softfloat

[Aurelien Jarno]

On Tue, Jan 11, 2011 at 01:22:08PM -0800, Nathan Froyd wrote:
> On Tue, Jan 11, 2011 at 10:01:30PM +0100, Aurelien Jarno wrote:
> >  case "$target_arch2" in
> > -  
> > alpha|arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|s390x|sparc|sparc64|sparc32plus)
> > +  
> > alpha|arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|s390x|sh4|sh4eb|sparc|sparc64|sparc32plus)
> >      echo "CONFIG_SOFTFLOAT=y" >> $config_target_mak
> >      ;;
> >    *)
> 
> This is obvious, I think...but it's also a little ridiculous.  Why not
> make everything use softfloat and dispense with this?  How much work
> would it be on the x86 side?
> 

On the x86 target, the problem is that it doesn't compile with
softfloat. OTOH, I think it is the way to go, as for example emulating
an x86 machine on ARM, even if you don't care about the exception flags,
the precision is not correct.

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
address@hidden                 http://www.aurel32.net