subject:"\[Mesa\-dev\] \[PATCH\] i965\: Allow CSE on Gen4\-5 unary math."

Re: [Mesa-dev] [PATCH] i965: Allow CSE on Gen4-5 unary math.

2014-10-14 Thread Matt Turner

Reviewed-by: Matt Turner ___ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev

[Mesa-dev] [PATCH] i965: Allow CSE on Gen4-5 unary math.

2014-10-13 Thread Kenneth Graunke

Due to the implicit move-from-GRF, unary math looks a lot like the Gen6+ math instruction: it's a single instruction (SEND) with a GRF source. The difference is that it also implicitly clobbers a message register. The only visible effect is that CSE will remove the MRF-clobbering from later math o