[ESIMD] Size correction for array containing result values (intel/llvm-test-suite#913)

* [ESIMD] Size correction for array containing 'gathered rgba' values

Author: dongkyunahn-intel

SYCL/ESIMD/api/esimd_pack_unpack_mask.cpp

@@ -7,10 +7,6 @@
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu
 // UNSUPPORTED: cuda || hip
-// TODO: esimd_emulator fails due to unimplemented 'single_task()' method
-// XFAIL: esimd_emulator
-// TODO: fails on OpenCL - https://github.com/intel/llvm-test-suite/issues/901
-// UNSUPPORTED: opencl
 // RUN: %clangxx -fsycl %s -fsycl-device-code-split=per_kernel -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 //
@@ -81,10 +77,10 @@ bool test_impl(queue q, const char *title, InitF init_f) {
     }
   }
   for (unsigned i = N; i < MAX_N; ++i) {
-    if (test_data[i] != 0) {
+    if (res_unpacked[i] != 0) {
       ++err_cnt;
       std::cout << "    ERROR: non-zero lane " << i << ": 0x" << std::hex
-                << test_data[i] << std::dec << "\n";
+                << res_unpacked[i] << std::dec << " in unpacked result\n";
     }
   }
   std::cout << (err_cnt > 0 ? "  FAILED\n" : "  Passed\n");

SYCL/ESIMD/api/esimd_rgba_smoke.cpp

@@ -69,16 +69,15 @@ template <class, int, int> class TestID;
 template <rgba_channel_mask ChMask, unsigned NPixels, class T>
 bool test_impl(queue q) {
   constexpr unsigned NOnChs = get_num_channels_enabled(ChMask);
-  unsigned SizeIn = NPixels * NAllChs;
-  unsigned SizeOut = NPixels * NOnChs;
+  const unsigned Size = NPixels * NAllChs;
 
   std::cout << "Testing mask=";
   print_mask(ChMask);
   std::cout << ", T=" << typeid(T).name() << ", NPixels=" << NPixels << "\n";
 
-  T *A = malloc_shared<T>(SizeIn, q);
-  T *B = malloc_shared<T>(SizeOut, q);
-  T *C = malloc_shared<T>(SizeOut, q);
+  T *A = malloc_shared<T>(Size, q);
+  T *B = malloc_shared<T>(Size, q);
+  T *C = malloc_shared<T>(Size, q);
 
   for (unsigned p = 0; p < NPixels; ++p) {
     char ch_names[] = {'R', 'G', 'B', 'A'};