[FIX] Fixed compilation for 32bits

Author: ilya-lavrenov

CMakeLists.txt

@@ -82,7 +82,7 @@ else()
 endif()
 
 if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
-    message(FATAL_ERROR "oneDNN supports 64 bit platforms only")
+    message(WARNING "oneDNN officially supports 64 bit platforms only")
 endif()
 
 # Set the target architecture.

src/common/math_utils.hpp

@@ -93,7 +93,10 @@ inline int ilog2q(size_t v) {
             p += pw; \
         } \
     } while (0)
+
+#if INTPTR_MAX == INT64_MAX
     CP(32);
+#endif
     CP(16);
     CP(8);
     CP(4);

src/common/utils.hpp

@@ -64,9 +64,6 @@ namespace impl {
     T(const T &) = delete; \
     T &operator=(const T &) = delete;
 
-// Sanity check for 64 bits
-static_assert(sizeof(void *) == 8, "oneDNN supports 64-bit architectures only");
-
 #define CHECK(f) \
     do { \
         dnnl::impl::status_t _status_ = f; \