From b418269d7dd576a7c9afd728bf8a883b4da98b30 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Mon, 26 Aug 2019 13:33:06 -0700 Subject: [PATCH] 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 Fixes: 7afa26d4e39 ("nir: Add lowering for nir_op_bitfield_reverse.") --- src/intel/compiler/brw_compiler.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/intel/compiler/brw_compiler.c b/src/intel/compiler/brw_compiler.c index 7ceeb14c70f..c04264cba32 100644 --- a/src/intel/compiler/brw_compiler.c +++ b/src/intel/compiler/brw_compiler.c @@ -187,6 +187,7 @@ brw_compiler_create(void *mem_ctx, const struct gen_device_info *devinfo) nir_options->lower_flrp32 = devinfo->gen < 6 || devinfo->gen >= 11; nir_options->lower_rotate = devinfo->gen < 11; + nir_options->lower_bitfield_reverse = devinfo->gen < 7; nir_options->lower_int64_options = int64_options; nir_options->lower_doubles_options = fp64_options;