Add tests to check the default value of RGBA mask in gather/scatter

Signed-off-by: Vyacheslav N Klochkov <[email protected]>

Author: v-klochkov

SYCL/ESIMD/acc_gather_scatter_rgba.cpp

@@ -43,8 +43,12 @@ struct Kernel {
     uint32_t global_offset = i * VL * STRIDE * NUM_RGBA_CHANNELS * sizeof(T);
 
     simd<uint32_t, VL> byteOffsets(0, STRIDE * sizeof(T) * NUM_RGBA_CHANNELS);
-    simd<T, VL *numChannels> v =
-        gather_rgba<CH_MASK>(InAcc, byteOffsets, global_offset);
+    simd<T, VL *numChannels> v;
+    if constexpr (CH_MASK == rgba_channel_mask::ABGR)
+      // Check that the default mask value is ABGR.
+      v = gather_rgba(InAcc, byteOffsets, global_offset);
+    else
+      v = gather_rgba<CH_MASK>(InAcc, byteOffsets, global_offset);
     v += (int)i;
 
     simd_mask<VL> pred = 1;

SYCL/ESIMD/usm_gather_scatter_rgba.cpp

@@ -40,13 +40,21 @@ struct Kernel {
     uint32_t global_offset = i * VL * STRIDE * NUM_RGBA_CHANNELS;
 
     simd<uint32_t, VL> byteOffsets(0, STRIDE * sizeof(T) * NUM_RGBA_CHANNELS);
-    simd<T, VL *numChannels> v =
-        gather_rgba<CH_MASK>(bufIn + global_offset, byteOffsets);
+    simd<T, VL *numChannels> v;
+    if constexpr (CH_MASK == rgba_channel_mask::ABGR)
+      // Check that the default mask value is ABGR.
+      v = gather_rgba(bufIn + global_offset, byteOffsets);
+    else
+      v = gather_rgba<CH_MASK>(bufIn + global_offset, byteOffsets);
     v += (int)i;
 
     simd_mask<VL> pred = 1;
     pred[VL - MASKED_LANE_NUM_REV] = 0; // mask out the last lane
-    scatter_rgba<CH_MASK>(bufOut + global_offset, byteOffsets, v, pred);
+    if constexpr (CH_MASK == rgba_channel_mask::ABGR)
+      // Check that the default mask value is ABGR.
+      scatter_rgba(bufOut + global_offset, byteOffsets, v, pred);
+    else
+      scatter_rgba<CH_MASK>(bufOut + global_offset, byteOffsets, v, pred);
   }
 };