[SYCL][ESIMD] use implicit type-conversion in examples (#100)

Signed-off-by: Gang Y Chen <[email protected]>

Author: Gang Chen

SYCL/ESIMD/histogram_256_slm.cpp

@@ -51,7 +51,7 @@ ESIMD_INLINE void histogram_atomic(const uint32_t *input_ptr, uint32_t *output,
 #pragma unroll
     for (int j = 0; j < BLOCK_WIDTH * sizeof(int); j += 16) {
       // Accumulate local histogram for each pixel value
-      auto dataOffset = convert<uint, uchar, 16>(in.select<16, 1>(j).read());
+      simd<uint, 16> dataOffset = in.select<16, 1>(j).read();
       dataOffset *= sizeof(int);
       slm_atomic<EsimdAtomicOpType::ATOMIC_INC, uint, 16>(dataOffset, 1);
     }

SYCL/ESIMD/histogram_256_slm_spec.cpp

@@ -51,7 +51,7 @@ ESIMD_INLINE void histogram_atomic(const uint32_t *input_ptr, uint32_t *output,
 #pragma unroll
     for (int j = 0; j < BLOCK_WIDTH * sizeof(int); j += 16) {
       // Accumulate local histogram for each pixel value
-      auto dataOffset = convert<uint, uchar, 16>(in.select<16, 1>(j).read());
+      simd<uint, 16> dataOffset = in.select<16, 1>(j).read();
       dataOffset *= sizeof(int);
       slm_atomic<EsimdAtomicOpType::ATOMIC_INC, uint, 16>(dataOffset, 1);
     }

SYCL/ESIMD/histogram_raw_send.cpp

@@ -69,7 +69,7 @@ ESIMD_INLINE void atomic_write(T *bins, simd<unsigned, n> offset,
                                simd<T, n> src0, simd<ushort, n> pred) {
   simd<T, n> oldDst;
   simd<uintptr_t, n> vAddr(reinterpret_cast<uintptr_t>(bins));
-  simd<uintptr_t, n> vOffset = convert<uintptr_t>(offset);
+  simd<uintptr_t, n> vOffset = offset;
   vAddr += vOffset;
 
   uint32_t exDesc = 0x4C;

SYCL/ESIMD/linear/linear.cpp

@@ -105,7 +105,7 @@ int main(int argc, char *argv[]) {
             in = media_block_load<unsigned char, 8, 32>(accInput, h_pos * 24,
                                                         v_pos * 6);
 
-            simd<float, 8 * 32> vin_float = convert<float>(vin);
+            simd<float, 8 * 32> vin_float = vin;
             auto in_float = vin_float.format<float, 8, 32>();
             m = in_float.select<6, 1, 24, 1>(1, 3);
             m += in_float.select<6, 1, 24, 1>(0, 0);
@@ -118,7 +118,7 @@ int main(int argc, char *argv[]) {
             m += in_float.select<6, 1, 24, 1>(2, 6);
             m = m * 0.111f;
 
-            vout = convert<unsigned char>(vm);
+            vout = vm;
 
             media_block_store<unsigned char, 6, 24>(accOutput, h_pos * 24,
                                                     v_pos * 6, out);