[Mesa-dev] [PATCH] i965/vec4: Detect and delete useless MOVs.

[Kenneth Graunke]

On Monday, September 21, 2015 02:27:00 PM Matt Turner wrote:
[snip]
> Yeah, the block immediately above handles conditions like this:
> 
> if (inst->opcode != BRW_OPCODE_MOV ||
>     (inst->dst.file != GRF && inst->dst.file != MRF) ||
>     inst->predicate ||
>     inst->src[0].file != GRF ||
>     inst->dst.type != inst->src[0].type ||
>     inst->src[0].abs || inst->src[0].negate || inst->src[0].reladdr)
>    continue;

D'oh, thanks.  I was thinking copy propagation for some reason...

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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