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radv/aco,aco: set lower_fmod

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This simplifies ACO and allows the lowered code to be optimized (in
particular, constant folded).

Totals from affected shaders:
SGPRS: 1776 -> 1776 (0.00 %)
VGPRS: 1436 -> 1436 (0.00 %)
Spilled SGPRs: 0 -> 0 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 0 -> 0 (0.00 %) dwords per thread
Code Size: 203452 -> 203564 (0.06 %) bytes
LDS: 0 -> 0 (0.00 %) blocks
Max Waves: 103 -> 103 (0.00 %)

At least some of the code size increase seems to be from literals being
applied to instructions as a result of constant folding.

v2: remove fmod/frem handling in init_context()

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
This commit is contained in:
Rhys Perry
2019-10-03 15:32:19 +01:00
parent 0fe2e04f2d
commit a87b0f5141
3 changed files with 1 additions and 31 deletions
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1
src/amd/vulkan/radv_shader.c
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@@ -91,6 +91,7 @@ static const struct nir_shader_compiler_options nir_options_aco = {
.lower_flrp64 = true,
.lower_device_index_to_zero = true,
.lower_fdiv = true,
.lower_fmod = true,
.lower_bitfield_insert_to_bitfield_select = true,
.lower_bitfield_extract = true,
.lower_pack_snorm_2x16 = true,