diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index 1a782bc9d23..2930715e01d 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -1466,6 +1466,10 @@ optimizations.extend([
    (('unpack_64_2x32_split_y', ('pack_64_2x32_split', a, b)), b),
    (('unpack_64_2x32_split_x', ('pack_64_2x32', a)), 'a.x'),
    (('unpack_64_2x32_split_y', ('pack_64_2x32', a)), 'a.y'),
+   (('unpack_64_2x32_split_x', ('u2u64', 'a@32')), a),
+   (('unpack_64_2x32_split_y', ('u2u64', a)), 0),
+   (('unpack_64_2x32_split_x', ('i2i64', 'a@32')), a),
+   (('unpack_64_2x32_split_y', ('i2i64(is_used_once)', 'a@32')), ('ishr', a, 31)),
    (('unpack_64_2x32', ('pack_64_2x32_split', a, b)), ('vec2', a, b)),
    (('unpack_64_2x32', ('pack_64_2x32', a)), a),
    (('unpack_double_2x32_dxil', ('pack_double_2x32_dxil', a)), a),