intel/compiler: Request bitfield_reverse lowering on pre-Gen7 hardware
authorIan Romanick <ian.d.romanick@intel.com>
Mon, 26 Aug 2019 20:33:06 +0000 (13:33 -0700)
committerIan Romanick <ian.d.romanick@intel.com>
Wed, 28 Aug 2019 18:39:29 +0000 (11:39 -0700)
commitb418269d7dd576a7c9afd728bf8a883b4da98b30
treec89b12dec59b8be9cfc3c47624fb3e9be3b1e802
parentd3fd1c761aab01e06665180ab86c9528c0b285b2
intel/compiler: Request bitfield_reverse lowering on pre-Gen7 hardware

See the previous commit for the explanation of the Fixes tag.

Hurts 21 shaders in shader-db.  All of the hurt shaders are in Unreal
Engine 4 tech demos.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Fixes: 7afa26d4e39 ("nir: Add lowering for nir_op_bitfield_reverse.")
src/intel/compiler/brw_compiler.c