[SYCL][ESIMD] Explicit SIMD memory-access APIs (#1856)

This commit adds implementation of Explicit SIMD memory-access
APIs along with memory intrinsics used to implement operations
with SIMD classes.

Co-authored-by: Chen, Gang Y <[email protected]>
Co-authored-by: Chen, Kai Yu <[email protected]>
Co-authored-by: Bobrovsky, Konstantin S <[email protected]>
Co-authored-by: Ashar, Pratik J <[email protected]>

Signed-off-by: Denis Bakhvalov <[email protected]>

Author: DenisBakhvalov

sycl/include/CL/sycl/intel/esimd.hpp

@@ -12,6 +12,7 @@
 
 #include <CL/sycl/intel/esimd/esimd.hpp>
 #include <CL/sycl/intel/esimd/esimd_math.hpp>
+#include <CL/sycl/intel/esimd/esimd_memory.hpp>
 #include <CL/sycl/intel/esimd/esimd_view.hpp>
 
 #ifdef __SYCL_DEVICE_ONLY__

sycl/include/CL/sycl/intel/esimd/detail/esimd_intrin.hpp

@@ -12,6 +12,7 @@
 #pragma once
 
 #include <CL/sycl/intel/esimd/detail/esimd_types.hpp>
+#include <CL/sycl/intel/esimd/detail/esimd_util.hpp>
 #include <CL/sycl/intel/esimd/esimd_enum.hpp>
 #include <cstdint>
 
@@ -140,11 +141,6 @@ class AccessorPrivateProxy {
 #endif
 };
 
-constexpr unsigned int ElemsPerAddrDecoding(unsigned int ElemsPerAddrEncoded) {
-  // encoding requires 2^ElemsPerAddrEncoded
-  return (1 << ElemsPerAddrEncoded);
-}
-
 /// read from a basic region of a vector, return a vector
 template <typename BT, int BN, typename RTy>
 vector_type_t<typename RTy::element_type, RTy::length>