[SYCL][ESIMD][EMU] Half-type test updates (#1167)

- Runtime check for backend type is changed

Author: dongkyunahn-intel

SYCL/ESIMD/api/svm_gather_scatter.cpp

@@ -100,16 +100,12 @@ int main(void) {
   Pass &= test<int32_t, 16>(Q);
   Pass &= test<int32_t, 32>(Q);
 
-  if (Q.get_backend() != sycl::backend::ext_intel_esimd_emulator) {
-    /// TODO: Enable 'half' type support for esimd_emulator
-    Pass &= test<half, 1>(Q);
-    Pass &= test<half, 2>(Q);
-    Pass &= test<half, 4>(Q);
-    Pass &= test<half, 8>(Q);
-    Pass &= test<half, 16>(Q);
-    Pass &= test<half, 32>(Q);
-  }
-
+  Pass &= test<half, 1>(Q);
+  Pass &= test<half, 2>(Q);
+  Pass &= test<half, 4>(Q);
+  Pass &= test<half, 8>(Q);
+  Pass &= test<half, 16>(Q);
+  Pass &= test<half, 32>(Q);
   std::cout << (Pass ? "Test Passed\n" : "Test FAILED\n");
   return Pass ? 0 : 1;
 }

SYCL/ESIMD/ext_math.cpp

@@ -7,8 +7,6 @@
 //===----------------------------------------------------------------------===//
 // REQUIRES: gpu
 // UNSUPPORTED: cuda || hip
-// TODO: esimd_emulator fails due to unimplemented 'half' type
-// XFAIL: esimd_emulator
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 
@@ -469,8 +467,11 @@ int main(void) {
   Pass &= testESIMD<half, 8>(Q);
   Pass &= testESIMD<float, 16>(Q);
   Pass &= testESIMD<float, 32>(Q);
-  Pass &= testSYCL<float, 8>(Q);
-  Pass &= testSYCL<float, 32>(Q);
+  if (Q.get_backend() != sycl::backend::ext_intel_esimd_emulator) {
+    // ESIMD_EMULATOR supports only ESIMD kernels
+    Pass &= testSYCL<float, 8>(Q);
+    Pass &= testSYCL<float, 32>(Q);
+  }
   Pass &= testESIMDSqrtIEEE<float, 16>(Q);
   Pass &= testESIMDSqrtIEEE<double, 32>(Q);
   Pass &= testESIMDDivIEEE<float, 8>(Q);