On Wed, 14 Dec 2011 08:06:20 -0800, Paul Berry wrote:
> On 14 December 2011 02:33, Kenneth Graunke wrote:
> > I think the point is that the ARF null register doesn't have a value, so
> > null<0,1,0> is just as good as null<4,4,1> or null<8,8,1>. Either way
> > you get nothing and write nothing.
On 14 December 2011 02:33, Kenneth Graunke wrote:
> On 12/13/2011 03:35 PM, Paul Berry wrote:
> > The Sandy Bridge PRM, volume 4, part 2, section 5.3.10 ("5.3.10
> > Register Region Restrictions") contains the following restriction on
> > the execution size and operand width of instructions:
> >
On 12/13/2011 03:35 PM, Paul Berry wrote:
> The Sandy Bridge PRM, volume 4, part 2, section 5.3.10 ("5.3.10
> Register Region Restrictions") contains the following restriction on
> the execution size and operand width of instructions:
>
>"3. ExecSize must be equal to or greater than Width."
>
The Sandy Bridge PRM, volume 4, part 2, section 5.3.10 ("5.3.10
Register Region Restrictions") contains the following restriction on
the execution size and operand width of instructions:
"3. ExecSize must be equal to or greater than Width."
When emitting an IF instruction in single program flo
