Re: [Mesa-dev] [PATCH 3/3] i965/gen4-5: Enable 16-wide dispatch on shaders with control flow.

2015-07-06 Thread Matt Turner
On Mon, Jul 6, 2015 at 11:03 AM, Francisco Jerez wrote: > This was probably disabled due to a combination of several bugs in the > generator code (fixed earlier in this series) and a misunderstanding > of the hardware spec. The documentation for most control flow > instructions mentions among oth

[Mesa-dev] [PATCH 3/3] i965/gen4-5: Enable 16-wide dispatch on shaders with control flow.

2015-07-06 Thread Francisco Jerez
This was probably disabled due to a combination of several bugs in the generator code (fixed earlier in this series) and a misunderstanding of the hardware spec. The documentation for most control flow instructions mentions among other restrictions: "Instruction compression is not allowed." Thi