SWDEV-539805, SWDEV-553860 - Resolve GCC clang ABI mismatch and check vector alignment (#909)

* SWDEV-539805 - Add checks for vector alignment and size

* SWDEV-553860 - Alter alignment for gcc

* SWDEV-553860 - Align fallback method

* SWDEV-553860 - Alter alignment requirement

projects/clr/hipamd/include/hip/amd_detail/amd_hip_vector_types.h

@@ -41,7 +41,7 @@ THE SOFTWARE.
 #define __HIP_USE_NATIVE_VECTOR__ 1
 #define __NATIVE_VECTOR__(n, T) T __attribute__((ext_vector_type(n)))
 #else
-#define __NATIVE_VECTOR__(n, T) alignas(__hip_vec_align_v<T, n>()) T[n]
+#define __NATIVE_VECTOR__(n, T) alignas(n * sizeof(T)) T[n]
 #endif
 
 #if defined(__cplusplus)
@@ -51,10 +51,6 @@ THE SOFTWARE.
 #include <type_traits>
 #endif  // defined(__HIPCC_RTC__)
 
-template <class T, int _hip_N> constexpr __hip_internal::size_t __hip_vec_align_v() {
-  return (_hip_N == 4 && alignof(T) == 8) ? 16 : _hip_N * alignof(T);
-}
-
 template <typename T, unsigned int n> struct HIP_vector_base;
 template <typename T, unsigned int rank> struct HIP_vector_type;
 
@@ -63,8 +59,9 @@ template <typename T, unsigned int n> __attribute__((always_inline)) __HOST_DEVI
     typename HIP_vector_base<T, n>::Native_vec_*
     get_native_pointer(HIP_vector_base<T, n>& base_vec) {
   static_assert(sizeof(base_vec) == sizeof(typename HIP_vector_base<T, n>::Native_vec_));
-  static_assert(__hip_internal::alignment_of<HIP_vector_base<T, n>>::value ==
+  static_assert(
-                __hip_internal::alignment_of<typename HIP_vector_base<T, n>::Native_vec_>::value);
+      (__hip_internal::alignment_of<HIP_vector_base<T, n>>::value %
+       __hip_internal::alignment_of<typename HIP_vector_base<T, n>::Native_vec_>::value) == 0);
   return reinterpret_cast<typename HIP_vector_base<T, n>::Native_vec_*>(&base_vec);
 };
 
@@ -72,8 +69,9 @@ template <typename T, unsigned int n>
 __attribute__((always_inline)) __HOST_DEVICE__ const typename HIP_vector_base<T, n>::Native_vec_*
 get_native_pointer(const HIP_vector_base<T, n>& base_vec) {
   static_assert(sizeof(base_vec) == sizeof(typename HIP_vector_base<T, n>::Native_vec_));
-  static_assert(__hip_internal::alignment_of<HIP_vector_base<T, n>>::value ==
+  static_assert(
-                __hip_internal::alignment_of<typename HIP_vector_base<T, n>::Native_vec_>::value);
+      (__hip_internal::alignment_of<HIP_vector_base<T, n>>::value %
+       __hip_internal::alignment_of<typename HIP_vector_base<T, n>::Native_vec_>::value) == 0);
   return reinterpret_cast<const typename HIP_vector_base<T, n>::Native_vec_*>(&base_vec);
 };
 }  // Namespace hip_impl.
@@ -111,7 +109,7 @@ template <typename T> struct HIP_vector_base<T, 1> {
   HIP_vector_base& operator=(const HIP_vector_base&) = default;
 };
 
-template <typename T> struct alignas(alignof(__NATIVE_VECTOR__(2, T))) HIP_vector_base<T, 2> {
+template <typename T> struct alignas(2 * sizeof(T)) HIP_vector_base<T, 2> {
   using Native_vec_ = __NATIVE_VECTOR__(2, T);
 
   T x, y;
@@ -268,7 +266,7 @@ template <typename T> struct HIP_vector_base<T, 3> {
   HIP_vector_base& operator=(HIP_vector_base&&) = default;
 };
 
-template <typename T> struct alignas(__NATIVE_VECTOR__(4, T)) HIP_vector_base<T, 4> {
+template <typename T> struct alignas(4 * sizeof(T)) HIP_vector_base<T, 4> {
   using Native_vec_ = __NATIVE_VECTOR__(4, T);
 
   T x, y, z, w;

projects/hip-tests/catch/unit/vector_types/vector_types.cc

@@ -298,7 +298,7 @@ TEMPLATE_TEST_CASE("Unit_VectorAndValueTypeOperations_SanityCheck_Basic_Device",
 /**
  * Test Description
  * ------------------------
- *    - Checks that vectors can be used with structured bindigns
+ *    - Checks that vectors can be used with structured bindings
  *    - Tests from the host side
  * Test source
  * ------------------------
@@ -328,7 +328,7 @@ __global__ void generate_my_kernel() { static_assert(func()); }
 /**
  * Test Description
  * ------------------------
- *    - Checks that vectors can be used with structured bindigns
+ *    - Checks that vectors can work with constexpr
  *    - Tests from the host and device side
  * Test source
  * ------------------------
@@ -341,6 +341,191 @@ TEST_CASE("Unit_VectorConstexpr_SanityCheck_Basic_host_device", "") {
   generate_my_kernel<<<1, 1>>>();
   static_assert(func());
 }
+
+struct padded_struct {
+    int2 data1;
+    float3 data2;
+};
+
+__host__ __device__ void check_alignment() {
+  // char/uchar
+  static_assert(std::alignment_of_v<char1> == 1);
+  static_assert(std::alignment_of_v<char2> == 2);
+  static_assert(std::alignment_of_v<char3> == 1);
+  static_assert(std::alignment_of_v<char4> == 4);
+  static_assert(std::alignment_of_v<uchar1> == 1);
+  static_assert(std::alignment_of_v<uchar2> == 2);
+  static_assert(std::alignment_of_v<uchar3> == 1);
+  static_assert(std::alignment_of_v<uchar4> == 4);
+
+  // short/ushort
+  static_assert(std::alignment_of_v<short1> == 2);
+  static_assert(std::alignment_of_v<short2> == 4);
+  static_assert(std::alignment_of_v<short3> == 2);
+  static_assert(std::alignment_of_v<short4> == 8);
+  static_assert(std::alignment_of_v<ushort1> == 2);
+  static_assert(std::alignment_of_v<ushort2> == 4);
+  static_assert(std::alignment_of_v<ushort3> == 2);
+  static_assert(std::alignment_of_v<ushort4> == 8);
+
+  // int/uint
+  static_assert(std::alignment_of_v<int1> == 4);
+  static_assert(std::alignment_of_v<int2> == 8);
+  static_assert(std::alignment_of_v<int3> == 4);
+  static_assert(std::alignment_of_v<int4> == 16);
+  static_assert(std::alignment_of_v<uint1> == 4);
+  static_assert(std::alignment_of_v<uint2> == 8);
+  static_assert(std::alignment_of_v<uint3> == 4);
+  static_assert(std::alignment_of_v<uint4> == 16);
+
+  // long/ulong
+  constexpr size_t long_size = sizeof(long);  // needed to handle MSVC long defintion
+  static_assert(std::alignment_of_v<long1> == long_size);
+  static_assert(std::alignment_of_v<long2> == 2 * long_size);
+  static_assert(std::alignment_of_v<long3> == long_size);
+  static_assert(std::alignment_of_v<long4> == 4 * long_size);
+  static_assert(std::alignment_of_v<ulong1> == long_size);
+  static_assert(std::alignment_of_v<ulong2> == 2 * long_size);
+  static_assert(std::alignment_of_v<ulong3> == long_size);
+  static_assert(std::alignment_of_v<ulong4> == 4 * long_size);
+
+  // longlong/ulonglong
+  static_assert(std::alignment_of_v<longlong1> == 8);
+  static_assert(std::alignment_of_v<longlong2> == 16);
+  static_assert(std::alignment_of_v<longlong3> == 8);
+  static_assert(std::alignment_of_v<longlong4> == 32);
+  static_assert(std::alignment_of_v<ulonglong1> == 8);
+  static_assert(std::alignment_of_v<ulonglong2> == 16);
+  static_assert(std::alignment_of_v<ulonglong3> == 8);
+  static_assert(std::alignment_of_v<ulonglong4> == 32);
+
+  // float
+  static_assert(std::alignment_of_v<float1> == 4);
+  static_assert(std::alignment_of_v<float2> == 8);
+  static_assert(std::alignment_of_v<float3> == 4);
+  static_assert(std::alignment_of_v<float4> == 16);
+
+  // double
+  static_assert(std::alignment_of_v<double1> == 8);
+  static_assert(std::alignment_of_v<double2> == 16);
+  static_assert(std::alignment_of_v<double3> == 8);
+  static_assert(std::alignment_of_v<double4> == 32);
+
+  // padded struct
+  static_assert(std::alignment_of_v<padded_struct> == 8);
+}
+
+__global__ void check_alignment_device() { check_alignment(); }
+
+/**
+ * Test Description
+ * ------------------------
+ *    - Compile-time test checking vector type alignement
+ *    - Tests from the host and device side
+ * Test source
+ * ------------------------
+ *    - unit/vector_types/vector_types.cc
+ * Test requirements
+ * ------------------------
+ *    - HIP_VERSION >= 5.2
+ */
+TEST_CASE("Unit_Vector_alignment_check", "") {
+  check_alignment_device<<<1, 1>>>();
+  check_alignment();
+}
+
+__host__ __device__ void check_size() {
+  // char/uchar
+  constexpr size_t char_size = sizeof(char);
+  static_assert(sizeof(char1) == 1 * char_size);
+  static_assert(sizeof(char2) == 2 * char_size);
+  static_assert(sizeof(char3) == 3 * char_size);
+  static_assert(sizeof(char4) == 4 * char_size);
+  static_assert(sizeof(uchar1) == 1 * char_size);
+  static_assert(sizeof(uchar2) == 2 * char_size);
+  static_assert(sizeof(uchar3) == 3 * char_size);
+  static_assert(sizeof(uchar4) == 4 * char_size);
+
+  // short/ushort
+  constexpr size_t short_size = sizeof(short);
+  static_assert(sizeof(short1) == 1 * short_size);
+  static_assert(sizeof(short2) == 2 * short_size);
+  static_assert(sizeof(short3) == 3 * short_size);
+  static_assert(sizeof(short4) == 4 * short_size);
+  static_assert(sizeof(ushort1) == 1 * short_size);
+  static_assert(sizeof(ushort2) == 2 * short_size);
+  static_assert(sizeof(ushort3) == 3 * short_size);
+  static_assert(sizeof(ushort4) == 4 * short_size);
+
+  // int/uint
+  constexpr size_t int_size = sizeof(int);
+  static_assert(sizeof(int1) == 1 * int_size);
+  static_assert(sizeof(int2) == 2 * int_size);
+  static_assert(sizeof(int3) == 3 * int_size);
+  static_assert(sizeof(int4) == 4 * int_size);
+  static_assert(sizeof(uint1) == 1 * int_size);
+  static_assert(sizeof(uint2) == 2 * int_size);
+  static_assert(sizeof(uint3) == 3 * int_size);
+  static_assert(sizeof(uint4) == 4 * int_size);
+
+  // long/ulong
+  constexpr size_t long_size = sizeof(long);
+  static_assert(sizeof(long1) == 1 * long_size);
+  static_assert(sizeof(long2) == 2 * long_size);
+  static_assert(sizeof(long3) == 3 * long_size);
+  static_assert(sizeof(long4) == 4 * long_size);
+  static_assert(sizeof(ulong1) == 1 * long_size);
+  static_assert(sizeof(ulong2) == 2 * long_size);
+  static_assert(sizeof(ulong3) == 3 * long_size);
+  static_assert(sizeof(ulong4) == 4 * long_size);
+
+  // longlong/ulonglong
+  constexpr size_t longlong_size = sizeof(long long);
+  static_assert(sizeof(longlong1) == 1 * longlong_size);
+  static_assert(sizeof(longlong2) == 2 * longlong_size);
+  static_assert(sizeof(longlong3) == 3 * longlong_size);
+  static_assert(sizeof(longlong4) == 4 * longlong_size);
+  static_assert(sizeof(ulonglong1) == 1 * longlong_size);
+  static_assert(sizeof(ulonglong2) == 2 * longlong_size);
+  static_assert(sizeof(ulonglong3) == 3 * longlong_size);
+  static_assert(sizeof(ulonglong4) == 4 * longlong_size);
+
+  // float
+  constexpr size_t float_size = sizeof(float);
+  static_assert(sizeof(float1) == 1 * float_size);
+  static_assert(sizeof(float2) == 2 * float_size);
+  static_assert(sizeof(float3) == 3 * float_size);
+  static_assert(sizeof(float4) == 4 * float_size);
+
+  // double
+  constexpr size_t double_size = sizeof(double);
+  static_assert(sizeof(double1) == 1 * double_size);
+  static_assert(sizeof(double2) == 2 * double_size);
+  static_assert(sizeof(double3) == 3 * double_size);
+  static_assert(sizeof(double4) == 4 * double_size);
+
+  // padded struct
+  static_assert(sizeof(padded_struct) == 24);
+}
+
+__global__ void check_size_device() { check_size(); }
+
+/**
+ * Test Description
+ * ------------------------
+ *    - Compile-time test checking vector type size
+ *    - Tests from the host and device side
+ * Test source
+ * ------------------------
+ *    - unit/vector_types/vector_types.cc
+ * Test requirements
+ * ------------------------
+ *    - HIP_VERSION >= 5.2
+ */
+TEST_CASE("Unit_Vector_size_check", "") {
+  check_size_device<<<1, 1>>>();
+  check_size();
+}
 #endif  // HT_AMD
 
 /**