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aco: vectorize global loads/stores

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4639>
This commit is contained in:
Rhys Perry 2020-04-16 20:15:00 +01:00 • committed by Marge Bot
parent 7db7206631
commit deea4b7c5a
1 changed files with 10 additions and 2 deletions
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12
src/amd/compiler/aco_instruction_selection_setup.cpp
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@ -698,6 +698,9 @@ mem_vectorize_callback(unsigned align, unsigned bit_size,
return false;
switch (low->intrinsic) {
case nir_intrinsic_load_global:
case nir_intrinsic_store_global:
return align % 4 == 0;
case nir_intrinsic_store_ssbo:
if (low->src[0].ssa->bit_size < 32 || high->src[0].ssa->bit_size < 32)
return false;
@ -1032,18 +1035,23 @@ setup_nir(isel_context *ctx, nir_shader *nir)
setup_variables(ctx, nir);
/* optimize and lower memory operations */
if (nir_lower_explicit_io(nir, nir_var_mem_global, nir_address_format_64bit_global)) {
nir_opt_constant_folding(nir);
nir_opt_cse(nir);
}
bool lower_to_scalar = false;
bool lower_pack = false;
if (nir_opt_load_store_vectorize(nir,
(nir_variable_mode)(nir_var_mem_ssbo | nir_var_mem_ubo |
nir_var_mem_push_const | nir_var_mem_shared),
nir_var_mem_push_const | nir_var_mem_shared |
nir_var_mem_global),
mem_vectorize_callback)) {
lower_to_scalar = true;
lower_pack = true;
}
if (nir->info.stage != MESA_SHADER_COMPUTE)
nir_lower_io(nir, (nir_variable_mode)(nir_var_shader_in | nir_var_shader_out), type_size, (nir_lower_io_options)0);
nir_lower_explicit_io(nir, nir_var_mem_global, nir_address_format_64bit_global);
if (lower_to_scalar)
nir_lower_alu_to_scalar(nir, NULL, NULL);