c9ad19c57b
With softfloat it's not possible to play with the overflow of an unsigned value to get the 0 case partially correct. Use a special case for that. Using a division to generate an infinity is the easiest way that works for both softfloat and softfloat-native. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>