Cortex A55r1 QS8 GEMM microkernel

PiperOrigin-RevId: 336803747
diff --git a/bench/qs8-gemm.cc b/bench/qs8-gemm.cc
index 9d6cdd3..34253c5 100644
--- a/bench/qs8-gemm.cc
+++ b/bench/qs8-gemm.cc
@@ -326,9 +326,13 @@
   static void qs8_gemm_4x16c4__aarch64_neondot_ld64(benchmark::State& state, const char* net) {
     GEMMBenchmark(state, xnn_qs8_gemm_minmax_ukernel_4x16c4__aarch64_neondot_ld64, 4, 16, 4, 1, benchmark::utils::CheckNEONDOT);
   }
+  static void qs8_gemm_4x16c4__aarch64_neondot_cortex_a55(benchmark::State& state, const char* net) {
+    GEMMBenchmark(state, xnn_qs8_gemm_minmax_ukernel_4x16c4__aarch64_neondot_cortex_a55, 4, 16, 4, 1, benchmark::utils::CheckNEONDOT);
+  }
 
   BENCHMARK_GEMM(qs8_gemm_1x16c4__aarch64_neondot_ld64)
   BENCHMARK_GEMM(qs8_gemm_4x16c4__aarch64_neondot_ld64)
+  BENCHMARK_GEMM(qs8_gemm_4x16c4__aarch64_neondot_cortex_a55)
 #endif  // XNN_ARCH_ARM64