Re: [Mesa-dev] [PATCHv2 13/25] i965/fs: Skip SIMD lowering destination zipping if possible.

Looks good. R-B On Wed, Jun 1, 2016 at 5:21 PM, Francisco Jerez wrote: > Skipping the temporary allocation and copy instructions is easy (just > return dst), but the conditions used to find out whether the copy can > be optimized out safely without breaking the program

[Mesa-dev] [PATCHv2 13/25] i965/fs: Skip SIMD lowering destination zipping if possible.

Skipping the temporary allocation and copy instructions is easy (just return dst), but the conditions used to find out whether the copy can be optimized out safely without breaking the program are rather complex: The destination must be exactly one component of at most the execution width of the