RND microkernels and tests

PiperOrigin-RevId: 315493586
diff --git a/test/f32-vrndz.yaml b/test/f32-vrndz.yaml
new file mode 100644
index 0000000..19df058
--- /dev/null
+++ b/test/f32-vrndz.yaml
@@ -0,0 +1,21 @@
+# Copyright 2020 Google LLC
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+- name: xnn_f32_vrndz_ukernel__neon_x4
+- name: xnn_f32_vrndz_ukernel__neon_x8
+- name: xnn_f32_vrndz_ukernel__neonv8_x4
+- name: xnn_f32_vrndz_ukernel__neonv8_x8
+- name: xnn_f32_vrndz_ukernel__sse2_x4
+- name: xnn_f32_vrndz_ukernel__sse2_x8
+- name: xnn_f32_vrndz_ukernel__sse41_x4
+- name: xnn_f32_vrndz_ukernel__sse41_x8
+- name: xnn_f32_vrndz_ukernel__avx_x8
+- name: xnn_f32_vrndz_ukernel__avx_x16
+- name: xnn_f32_vrndz_ukernel__avx512f_x16
+- name: xnn_f32_vrndz_ukernel__avx512f_x32
+- name: xnn_f32_vrndz_ukernel__psimd_x4
+- name: xnn_f32_vrndz_ukernel__psimd_x8
+- name: xnn_f32_vrndz_ukernel__scalar_libm_x1
+- name: xnn_f32_vrndz_ukernel__scalar_libm_x2
+- name: xnn_f32_vrndz_ukernel__scalar_libm_x4