On ke, 2017-04-26 at 18:27 +0300, Ville Syrjälä wrote:
> On Wed, Apr 26, 2017 at 04:40:11PM +0300, Imre Deak wrote:
> >
> > On GEN8+ (not counting CHV) the calculation can in theory result in an
> > incorrect sign extension with all upper bits set. In practice this is
> > unlikely to happen since
On Wed, Apr 26, 2017 at 04:40:11PM +0300, Imre Deak wrote:
> On GEN8+ (not counting CHV) the calculation can in theory result in an
> incorrect sign extension with all upper bits set. In practice this is
> unlikely to happen since it would require 4GB of stolen memory set
> aside. For consistency
On GEN8+ (not counting CHV) the calculation can in theory result in an
incorrect sign extension with all upper bits set. In practice this is
unlikely to happen since it would require 4GB of stolen memory set
aside. For consistency still prevent the sign extension explicitly
everywhere.