Re: [Qemu-devel] [PATCH v8 6/9] target-mips: Activate IEEE 754-2008 signaling NaN bit meaning for MSA

[Leon Alrae]

On Fri, Jun 03, 2016 at 08:43:12PM +0200, Aleksandar Markovic wrote:
> From: Aleksandar Markovic <address@hidden>
> 
> Function msa_reset() is updated so that flag snan_bit_is_one is
> properly set to 0.
> 
> By applying this patch, a number of incorrect MSA behaviors that
> require IEEE 754-2008 compliance will be fixed. Those are behaviors
> that (up to the moment of applying this patch) did not get the desired
> functionality from SoftFloat library with respect to distinguishing
> between quiet and signaling NaN, getting default NaN values (both
> quiet and signaling), establishing if a floating point number is NaN
> or not, etc.
> 
> Two examples:
> 
> * FMAX, FMIN will now correctly detect and propagate NaNs.
> * FCLASS.D ans FCLASS.S will now correcty detect NaN flavors.
> 
> Signed-off-by: Aleksandar Markovic <address@hidden>
> ---
>  target-mips/translate_init.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Leon Alrae <address@hidden>