diff --git a/src/amd/common/ac_nir_lower_global_access.c b/src/amd/common/ac_nir_lower_global_access.c
index e760450dcdc..48f2453b600 100644
--- a/src/amd/common/ac_nir_lower_global_access.c
+++ b/src/amd/common/ac_nir_lower_global_access.c
@@ -8,6 +8,20 @@
 #include "nir.h"
 #include "nir_builder.h"
 
+static bool
+is_u2u64(nir_scalar scalar)
+{
+   if (nir_scalar_is_alu(scalar) && nir_scalar_alu_op(scalar) == nir_op_u2u64)
+      return true;
+
+   if (nir_scalar_is_alu(scalar) && nir_scalar_alu_op(scalar) == nir_op_pack_64_2x32_split) {
+      nir_scalar src1 = nir_scalar_chase_alu_src(scalar, 1);
+      return nir_scalar_is_const(src1) && nir_scalar_as_uint(src1) == 0;
+   }
+
+   return false;
+}
+
 static nir_def *
 try_extract_additions(nir_builder *b, nir_scalar scalar, uint64_t *out_const,
                       nir_def **out_offset)
@@ -23,7 +37,7 @@ try_extract_additions(nir_builder *b, nir_scalar scalar, uint64_t *out_const,
       nir_scalar src = i ? src1 : src0;
       if (nir_scalar_is_const(src)) {
          *out_const += nir_scalar_as_uint(src);
-      } else if (nir_scalar_is_alu(src) && nir_scalar_alu_op(src) == nir_op_u2u64) {
+      } else if (is_u2u64(src)) {
          nir_scalar offset_scalar = nir_scalar_chase_alu_src(src, 0);
          if (offset_scalar.def->bit_size != 32)
             continue;