On Sat, 2019-02-16 at 09:02 -0600, Jason Ekstrand wrote:
> On Tue, Feb 12, 2019 at 5:56 AM Iago Toral Quiroga > wrote:
> > Empirical testing shows that gen8 has a bug where MAD instructions
> > with
> >
> > a half-float source starting at a non-zero offset fail to execute
> >
> > properly.
> >
On Tue, Feb 12, 2019 at 5:56 AM Iago Toral Quiroga
wrote:
> Empirical testing shows that gen8 has a bug where MAD instructions with
> a half-float source starting at a non-zero offset fail to execute
> properly.
>
> This scenario usually happened in SIMD8 executions, where we used to
> pack
Empirical testing shows that gen8 has a bug where MAD instructions with
a half-float source starting at a non-zero offset fail to execute
properly.
This scenario usually happened in SIMD8 executions, where we used to
pack vector components Y and W in the second half of SIMD registers
(therefore,
