Basic scalar implementation of CHW-to-HWC Depth-to-Space.

PiperOrigin-RevId: 340764018
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3fe5eda..0fe83cc 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -629,6 +629,7 @@
   src/x32-pad/scalar-float.c
   src/x32-pad/scalar-int.c
   src/x32-unpool/scalar.c
+  src/x32-depth-to-space-chw2hwc/scalar.c
   src/x32-zip/x2-scalar.c
   src/x32-zip/x3-scalar.c
   src/x32-zip/x4-scalar.c
@@ -4258,6 +4259,15 @@
   TARGET_LINK_LIBRARIES(x32-unpool-test PRIVATE XNNPACK cpuinfo fp16 gtest gtest_main)
   ADD_TEST(x32-unpool-test x32-unpool-test)
 
+  ADD_EXECUTABLE(x32-depth-to-space-chw2hwc-test test/x32-depth-to-space-chw2hwc.cc)
+  SET_TARGET_PROPERTIES(x32-depth-to-space-chw2hwc-test PROPERTIES
+    CXX_STANDARD 11
+    CXX_STANDARD_REQUIRED YES
+    CXX_EXTENSIONS YES)
+  TARGET_INCLUDE_DIRECTORIES(x32-depth-to-space-chw2hwc-test PRIVATE src test)
+  TARGET_LINK_LIBRARIES(x32-depth-to-space-chw2hwc-test PRIVATE XNNPACK cpuinfo fp16 gtest gtest_main)
+  ADD_TEST(x32-depth-to-space-chw2hwc-test x32-depth-to-space-chw2hwc-test)
+
   ADD_EXECUTABLE(x32-zip-test test/x32-zip.cc)
   SET_TARGET_PROPERTIES(x32-zip-test PROPERTIES
     CXX_STANDARD 11