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nir: scalarize masked_swizzle_amd created from shuffle_xor

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9901
Fixes: 0ef87f148d ("nir/lower_subgroups: Don't do multiple lowerings at once")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25468>
This commit is contained in:
Georg Lehmann
2023-09-29 08:08:15 +02:00
committed by Marge Bot
parent 524e8865ce
commit 305db1af11
1 changed files with 7 additions and 0 deletions
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7
src/compiler/nir/nir_lower_subgroups.c
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@@ -842,6 +842,13 @@ lower_subgroups_instr(nir_builder *b, nir_instr *instr, void *_options)
return lower_subgroup_op_to_32bit(b, intrin);
}
break;
case nir_intrinsic_masked_swizzle_amd:
if (options->lower_to_scalar && intrin->num_components > 1) {
return lower_subgroup_op_to_scalar(b, intrin);
} else if (options->lower_shuffle_to_32bit && intrin->src[0].ssa->bit_size == 64) {
return lower_subgroup_op_to_32bit(b, intrin);
}
break;
default:
break;