Re: [Mesa-dev] [RFC PATCH 1/5] i965: Add writes_accumulator flag

2014-03-24 Thread Juha-Pekka Heikkilä
I think I would need some hints here, I don't know how to test my changes now properly. On Sat, Mar 22, 2014 at 8:26 AM, Matt Turner wrote: > On Fri, Mar 21, 2014 at 11:17 PM, Matt Turner wrote: >> On Fri, Mar 21, 2014 at 7:33 AM, Juha-Pekka Heikkila >> wrote: >>> Our hardware has an "accumulat

Re: [Mesa-dev] [RFC PATCH 1/5] i965: Add writes_accumulator flag

2014-03-21 Thread Matt Turner
On Fri, Mar 21, 2014 at 11:17 PM, Matt Turner wrote: > On Fri, Mar 21, 2014 at 7:33 AM, Juha-Pekka Heikkila > wrote: >> Our hardware has an "accumulator" register, which can be used to store >> intermediate results across multiple instructions. Many instructions >> can implicitly write a value t

Re: [Mesa-dev] [RFC PATCH 1/5] i965: Add writes_accumulator flag

2014-03-21 Thread Matt Turner
On Fri, Mar 21, 2014 at 7:33 AM, Juha-Pekka Heikkila wrote: > Our hardware has an "accumulator" register, which can be used to store > intermediate results across multiple instructions. Many instructions > can implicitly write a value to the accumulator in addition to their > normal destination r

[Mesa-dev] [RFC PATCH 1/5] i965: Add writes_accumulator flag

2014-03-21 Thread Juha-Pekka Heikkila
Our hardware has an "accumulator" register, which can be used to store intermediate results across multiple instructions. Many instructions can implicitly write a value to the accumulator in addition to their normal destination register. This is enabled by the "AccWrEn" flag. This patch introduc