Convert to char* to comply with _mm_prefetch(char*, ..)

Author: Raghuveer Devulapalli

src/avx512-common-qsort.h

@@ -451,17 +451,17 @@ X86_SIMD_SORT_INLINE arrsize_t partition_avx512_unrolled(type_t *arr,
             X86_SIMD_SORT_UNROLL_LOOP(8)
             for (int ii = 0; ii < num_unroll; ++ii) {
                 curr_vec[ii] = vtype::loadu(arr + right + ii * vtype::numlanes);
-                _mm_prefetch(arr + right + ii * vtype::numlanes
-                                     - num_unroll * vtype::numlanes,
+                _mm_prefetch((char *)(arr + right + ii * vtype::numlanes
+                                      - num_unroll * vtype::numlanes),
                              _MM_HINT_T0);
             }
         }
         else {
             X86_SIMD_SORT_UNROLL_LOOP(8)
             for (int ii = 0; ii < num_unroll; ++ii) {
                 curr_vec[ii] = vtype::loadu(arr + left + ii * vtype::numlanes);
-                _mm_prefetch(arr + left + ii * vtype::numlanes
-                                     + num_unroll * vtype::numlanes,
+                _mm_prefetch((char *)(arr + left + ii * vtype::numlanes
+                                      + num_unroll * vtype::numlanes),
                              _MM_HINT_T0);
             }
             left += num_unroll * vtype::numlanes;