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radv/llvm: enable lower_unpack_half_2x16

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To match ACO.

fossils-db (Navi10):
Totals from 294 (0.22% of 136420) affected shaders:
SGPRs: 16504 -> 16496 (-0.05%)
VGPRs: 19008 -> 19124 (+0.61%); split: -0.06%, +0.67%
SpillVGPRs: 511 -> 476 (-6.85%); split: -7.63%, +0.78%
CodeSize: 1688852 -> 1687932 (-0.05%); split: -0.10%, +0.05%
Scratch: 305152 -> 307200 (+0.67%)
MaxWaves: 2877 -> 2878 (+0.03%)

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6937>
This commit is contained in:
Samuel Pitoiset
2020-09-30 15:01:46 +02:00
parent f11d4f3127
commit 6b0695c42a
1 changed files with 1 additions and 0 deletions
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1
src/amd/vulkan/radv_shader.c
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@@ -68,6 +68,7 @@ static const struct nir_shader_compiler_options nir_options_llvm = {
.lower_unpack_snorm_4x8 = true,
.lower_unpack_unorm_2x16 = true,
.lower_unpack_unorm_4x8 = true,
.lower_unpack_half_2x16 = true,
.lower_extract_byte = true,
.lower_extract_word = true,
.lower_ffma16 = true,