On Wed, 01 May 2024 01:31:23 +0900,
Philippe Mathieu-Daudé wrote:
>
> The documentation says:
>
> SUBV Rm, RnRn - Rm -> Rn, underflow -> T
>
> The overflow / underflow can be calculated as:
>
> T = ((Rn ^ Rm) & (Result ^ Rn)) >> 31
>
> However we were using the incorrect:
>
> T
The documentation says:
SUBV Rm, RnRn - Rm -> Rn, underflow -> T
The overflow / underflow can be calculated as:
T = ((Rn ^ Rm) & (Result ^ Rn)) >> 31
However we were using the incorrect:
T = ((Rn ^ Rm) & (Result ^ Rm)) >> 31
Fix by using the Rn register instead of Rm.
Add tests
