[Mesa-dev] [PATCH] radv: enable lower_sub to fix loop unrolling.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Loop unroll asserts if it hits a sub, we don't really want
to lower subs as llvm handles these things, but do this for
now, until we can fix loop unroll to work with subs.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/amd/vulkan/radv_pipeline.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 3a5ac42..f3cba19 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -52,6 +52,7 @@ static const struct nir_shader_compiler_options nir_options = {
 	.lower_flrp32 = true,
 	.lower_fsat = true,
 	.lower_fdiv = true,
+	.lower_sub = true,
 	.lower_pack_snorm_2x16 = true,
 	.lower_pack_snorm_4x8 = true,
 	.lower_pack_unorm_2x16 = true,
-- 
2.9.3