[LITE][CMAKE] Armv7 gcc opencl compile (#3200)

* [LITE][OPENCL] Change fp32 fc to fp16's. test=develop

* fix act in conv3x3opt opencl kernel. test=develop

* [LITE][CMAKE] fix cmake for opencl tiny_pubish compile. test=develop

cmake/cross_compiling/postproject.cmake

@@ -57,22 +57,20 @@ function(check_linker_flag)
     endforeach()
     set(CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS} PARENT_SCOPE)
 endfunction()
+
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 if (LITE_ON_TINY_PUBLISH)
     if((NOT LITE_WITH_PYTHON))
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
     endif()
+    if(LITE_WITH_OPENCL AND (ARM_TARGET_LANG STREQUAL "clang"))
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
+    endif()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math -Ofast -Os -fomit-frame-pointer -fno-asynchronous-unwind-tables -fno-unwind-tables")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden -ffunction-sections")
     check_linker_flag(-Wl,--gc-sections)
 endif()
 
-if(LITE_WITH_OPENCL)
-    if(ARM_TARGET_LANG STREQUAL "clang")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
-    endif()
-endif()
-
 if(LITE_WITH_OPENMP)
     find_package(OpenMP REQUIRED)
     if(OPENMP_FOUND OR OpenMP_CXX_FOUND)

lite/demo/cxx/mobile_light/mobilenetv1_light_api.cc

@@ -101,7 +101,7 @@ void RunModel(std::string model_dir,
   // 5. Get output
   std::cout << "\n====== output summary ====== " << std::endl;
   size_t output_tensor_num = predictor->GetOutputNames().size();
-  std::cout << "output tesnor num:" << output_tensor_num << std::endl;
+  std::cout << "output tensor num:" << output_tensor_num << std::endl;
 
   for (size_t tidx = 0; tidx < output_tensor_num; ++tidx) {
     std::unique_ptr<const paddle::lite_api::Tensor> output_tensor =