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radv: enable lower_sub to fix loop unrolling.

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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.

Fixes: 14ae0bfa5 (radv: Add NIR loop unrolling)
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-05-03 08:59:56 +10:00
parent 9e847eedd5
commit 2a2a21450b
1 changed files with 1 additions and 0 deletions
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src/amd/vulkan/radv_pipeline.c
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@ -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,