ac: Use DPP for build_ddxy where possible.
authorBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Wed, 23 May 2018 09:34:15 +0000 (11:34 +0200)
committerBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Wed, 23 May 2018 19:02:45 +0000 (21:02 +0200)
commit699e1f5aacd1d9eed8cc1a37ec0dbd11313fbbdc
treec874383b335ca57966f2baed12053d155393d167
parentb73b340c37c6b3f1ac0636b385a5403c62a9777e
ac: Use DPP for build_ddxy where possible.

WQM is pretty reliable now on LLVM 7, so let us just use
DPP + WQM.

This gives approximately a 1.5% performance increase on the
vrcompositor built-in benchmark.

v2: Use ac_build_quad_swizzle.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
src/amd/common/ac_llvm_build.c