/*===================== begin_copyright_notice ==================================

Copyright (c) 2017 Intel Corporation

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


======================= end_copyright_notice ==================================*/

//===- IBiF_VLoadStore.cl - OpenCL explicit conversion functions -====//
//
// This file defines OpenCL vload/vstore built-ins.
//
//===----------------------------------------------------------------------===//

//*****************************************************************************/
// vload/vstore macros
//*****************************************************************************/

#define VLOAD_MACRO(addressSpace, scalarType, numElements)                                                                                                    \
INLINE scalarType##numElements OVERLOADABLE vload##numElements(size_t offset, const addressSpace scalarType *p)                                               \
{                                                                                                                                                             \
  const addressSpace scalarType *pOffset = p + offset * numElements;                                                                                          \
  scalarType##numElements ret;                                                                                                                                \
  __builtin_IB_memcpy_##addressSpace##_to_private((private uchar*)&ret, (addressSpace uchar*)pOffset, sizeof(scalarType) * numElements, sizeof(scalarType)); \
  return ret;                                                                                                                                                 \
}

#define VLOAD3_MACRO(addressSpace, scalarType, numElements)                                                              \
INLINE scalarType##numElements OVERLOADABLE vload##numElements(size_t offset, const addressSpace scalarType *p)                                               \
{                                                                                                                                                             \
  const addressSpace scalarType *pOffset = p + offset * numElements;                                                                                          \
  scalarType##numElements ret;                                                                                                                                \
  __builtin_IB_memcpy_##addressSpace##_to_private((private uchar*)&ret, (addressSpace uchar*)pOffset, sizeof(scalarType) * numElements, sizeof(scalarType)); \
  return ret;                                                                                                                                                 \
}

#define VSTORE_MACRO(addressSpace, scalarType, numElements)                                                                                                   \
INLINE void OVERLOADABLE vstore##numElements(scalarType##numElements data, size_t offset, addressSpace scalarType *p)                                         \
{                                                                                                                                                             \
  addressSpace scalarType *pOffset = p + offset * numElements;                                                                                                \
  scalarType##numElements ret = data;                                                                                                                         \
  __builtin_IB_memcpy_private_to_##addressSpace((addressSpace uchar*)pOffset, (private uchar*)&ret, sizeof(scalarType) * numElements, sizeof(scalarType));   \
}

#define VSTORE3_MACRO(addressSpace, scalarType, numElements)                                                             \
INLINE void OVERLOADABLE vstore##numElements(scalarType##numElements data, size_t offset, addressSpace scalarType *p)                                         \
{                                                                                                                                                             \
  addressSpace scalarType *pOffset = p + offset * numElements;                                                                                                \
  scalarType##numElements ret = data;                                                                                                                         \
  __builtin_IB_memcpy_private_to_##addressSpace((addressSpace uchar*)pOffset, (private uchar*)&ret, sizeof(scalarType) * numElements, sizeof(scalarType));   \
}

#define ELEM_ARG(addressSpace, scalarType) \
VLOAD_MACRO(addressSpace, scalarType, 2)   \
VLOAD3_MACRO(addressSpace, scalarType, 3)   \
VLOAD_MACRO(addressSpace, scalarType, 4)   \
VLOAD_MACRO(addressSpace, scalarType, 8)   \
VLOAD_MACRO(addressSpace, scalarType, 16)

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
#define TYPE_ARG(TYPE)   \
ELEM_ARG(global, TYPE)   \
ELEM_ARG(constant, TYPE) \
ELEM_ARG(local, TYPE)    \
ELEM_ARG(private, TYPE)  \
ELEM_ARG(generic, TYPE)
#else
#define TYPE_ARG(TYPE)   \
ELEM_ARG(global, TYPE)   \
ELEM_ARG(constant, TYPE) \
ELEM_ARG(local, TYPE)    \
ELEM_ARG(private, TYPE)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

TYPE_ARG(char)
TYPE_ARG(uchar)
TYPE_ARG(short)
TYPE_ARG(ushort)
TYPE_ARG(int)
TYPE_ARG(uint)
TYPE_ARG(long)
TYPE_ARG(ulong)
#if defined(cl_khr_fp16)
TYPE_ARG(half)
#endif
TYPE_ARG(float)
#if defined(cl_khr_fp64)
TYPE_ARG(double)
#endif

#undef TYPE_ARG
#undef ELEM_ARG

#define ELEM_ARG(addressSpace, scalarType) \
VSTORE_MACRO(addressSpace, scalarType, 2)  \
VSTORE3_MACRO(addressSpace, scalarType, 3)  \
VSTORE_MACRO(addressSpace, scalarType, 4)  \
VSTORE_MACRO(addressSpace, scalarType, 8)  \
VSTORE_MACRO(addressSpace, scalarType, 16)

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
#define TYPE_ARG(TYPE)   \
ELEM_ARG(global, TYPE)   \
ELEM_ARG(local, TYPE)    \
ELEM_ARG(private, TYPE)  \
ELEM_ARG(generic, TYPE)
#else
#define TYPE_ARG(TYPE)   \
ELEM_ARG(global, TYPE)   \
ELEM_ARG(local, TYPE)    \
ELEM_ARG(private, TYPE)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

TYPE_ARG(char)
TYPE_ARG(uchar)
TYPE_ARG(short)
TYPE_ARG(ushort)
TYPE_ARG(int)
TYPE_ARG(uint)
TYPE_ARG(long)
TYPE_ARG(ulong)
#if defined(cl_khr_fp16)
TYPE_ARG(half)
#endif
TYPE_ARG(float)
#if defined(cl_khr_fp64)
TYPE_ARG(double)
#endif

#undef TYPE_ARG
#undef ELEM_ARG

//*****************************************************************************/
// vload macros
//*****************************************************************************/
static OVERLOADABLE float __intel_half2float(ushort h)
{
    return convert_float(as_half(h));
}

#define VLOAD_SHORT(addressSpace)                                             \
static OVERLOADABLE ushort vload(size_t offset, const addressSpace ushort* p) \
{                                                                             \
    return *(p + offset);                                                     \
}

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
VLOAD_SHORT(__generic)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0
VLOAD_SHORT(__global)
VLOAD_SHORT(__local)
VLOAD_SHORT(__constant)
VLOAD_SHORT(__private)

GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_half2float, float, ushort)

#define __CLFN_DEF_F_VLOAD_SCALAR_HALF(addressSpace)                        \
INLINE half OVERLOADABLE vload(size_t offset, const addressSpace half* p) { \
  return *(p + offset);                                                     \
}

#define __CLFN_DEF_F_VLOAD_HALFX(addressSpace, numElements)                                                 \
INLINE float##numElements OVERLOADABLE vload_half##numElements(size_t offset, const addressSpace half* p) { \
  return __intel_half2float(vload##numElements(offset, (const addressSpace ushort*)p));                     \
}

#define __CLFN_DEF_F_VLOADA_HALFX(addressSpace, step, numElements)                                              \
INLINE float##numElements OVERLOADABLE vloada_half##numElements(size_t offset, const addressSpace half* p) {    \
  const addressSpace ushort##numElements* pHalf = (const addressSpace ushort##numElements*)(p + offset * step); \
  return __intel_half2float(*pHalf);                                                                            \
}

#define __CLFN_DEF_F_VLOAD_HALFX_AS(addressSpace) \
__CLFN_DEF_F_VLOAD_HALFX(addressSpace, )          \
__CLFN_DEF_F_VLOAD_HALFX(addressSpace, 2)         \
__CLFN_DEF_F_VLOAD_HALFX(addressSpace, 3)         \
__CLFN_DEF_F_VLOAD_HALFX(addressSpace, 4)         \
__CLFN_DEF_F_VLOAD_HALFX(addressSpace, 8)         \
__CLFN_DEF_F_VLOAD_HALFX(addressSpace, 16)

#define __CLFN_DEF_F_VLOADA_HALFX_AS(addressSpace)    \
__CLFN_DEF_F_VLOADA_HALFX(addressSpace, 1, )          \
__CLFN_DEF_F_VLOADA_HALFX(addressSpace, 2, 2)         \
__CLFN_DEF_F_VLOADA_HALFX(addressSpace, 4, 3)         \
__CLFN_DEF_F_VLOADA_HALFX(addressSpace, 4, 4)         \
__CLFN_DEF_F_VLOADA_HALFX(addressSpace, 8, 8)         \
__CLFN_DEF_F_VLOADA_HALFX(addressSpace, 16, 16)

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
#define __CLFN_DEF_F_VLOAD_HALF_ALL()              \
__CLFN_DEF_F_VLOAD_HALFX_AS(__generic)             \
__CLFN_DEF_F_VLOAD_HALFX_AS(__global)              \
__CLFN_DEF_F_VLOAD_HALFX_AS(__local)               \
__CLFN_DEF_F_VLOAD_HALFX_AS(__constant)            \
__CLFN_DEF_F_VLOAD_HALFX_AS(__private)
#else
#define __CLFN_DEF_F_VLOAD_HALF_ALL()              \
__CLFN_DEF_F_VLOAD_HALFX_AS(__global)              \
__CLFN_DEF_F_VLOAD_HALFX_AS(__local)               \
__CLFN_DEF_F_VLOAD_HALFX_AS(__constant)            \
__CLFN_DEF_F_VLOAD_HALFX_AS(__private)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
#define __CLFN_DEF_F_VLOADA_HALF_ALL()              \
__CLFN_DEF_F_VLOADA_HALFX_AS(__generic)             \
__CLFN_DEF_F_VLOADA_HALFX_AS(__global)              \
__CLFN_DEF_F_VLOADA_HALFX_AS(__local)               \
__CLFN_DEF_F_VLOADA_HALFX_AS(__constant)            \
__CLFN_DEF_F_VLOADA_HALFX_AS(__private)
#else
#define __CLFN_DEF_F_VLOADA_HALF_ALL()              \
__CLFN_DEF_F_VLOADA_HALFX_AS(__global)              \
__CLFN_DEF_F_VLOADA_HALFX_AS(__local)               \
__CLFN_DEF_F_VLOADA_HALFX_AS(__constant)            \
__CLFN_DEF_F_VLOADA_HALFX_AS(__private)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

//*****************************************************************************/
// vstore macros (half)
//*****************************************************************************/
// These helper functions are used to macro-ize the rounding mode built-ins.
static OVERLOADABLE half __intel_float2half_rtz(float f)
{
    return convert_half_rtz(f);
}

static OVERLOADABLE half __intel_float2half_rte(float f)
{
    return convert_half_rte(f);
}

static OVERLOADABLE half __intel_float2half_rtp(float f)
{
    return convert_half_rtp(f);
}

static OVERLOADABLE half __intel_float2half_rtn(float f)
{
    return convert_half_rtn(f);
}

static OVERLOADABLE half __intel_float2half(float f)
{
    return __intel_float2half_rte(f);
}

#if defined(cl_khr_fp64)
static OVERLOADABLE half __intel_double2half_rtz(double a)
{
    return convert_half_rtz(a);
}

static OVERLOADABLE half __intel_double2half_rte(double a)
{
    return convert_half_rte(a);
}

static OVERLOADABLE half __intel_double2half_rtp(double a)
{
    return convert_half_rtp(a);
}

static OVERLOADABLE half __intel_double2half_rtn(double a)
{
    return convert_half_rtn(a);
}

static OVERLOADABLE half __intel_double2half(double a)
{
    return __intel_double2half_rte(a);
}

GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_double2half_rtz, half, double)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_double2half_rte, half, double)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_double2half_rtp, half, double)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_double2half_rtn, half, double)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_double2half,     half, double)
#endif

GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_float2half_rtz, half, float)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_float2half_rte, half, float)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_float2half_rtp, half, float)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_float2half_rtn, half, float)
GENERATE_VECTOR_FUNCTIONS_1ARG(__intel_float2half,     half, float)

#if defined(cl_khr_fp64)
#define __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, numElements)                \
INLINE void OVERLOADABLE vstore_half##numElements##rnd(double##numElements data, \
                                                       size_t offset,            \
                                                       addressSpace half* p) {   \
  vstore##numElements(__intel_double2half##rnd(data), offset, p);                \
}

#define __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, step, numElements)                          \
INLINE void OVERLOADABLE vstorea_half##numElements##rnd(double##numElements data,                 \
                                                        size_t offset,                            \
                                                        addressSpace half* p) {                   \
  addressSpace half##numElements *pHalf = (addressSpace half##numElements *)(p + offset * step);  \
  *pHalf = __intel_double2half##rnd(data);                                                        \
}
#endif

#define __CLFN_DEF_VSTORE_SCALAR_HALF(addressSpace)              \
INLINE void OVERLOADABLE vstore(half data,                       \
                                size_t offset,                   \
                                addressSpace half* p) {          \
  addressSpace half *pHalf = (addressSpace half *)(p + offset);  \
  *pHalf = data;                                                 \
}

#define __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, numElements)               \
INLINE void OVERLOADABLE vstore_half##numElements##rnd(float##numElements data, \
                                                       size_t offset,           \
                                                       addressSpace half* p) {  \
  vstore##numElements(__intel_float2half##rnd(data), offset, p);                \
}

#define __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, step, numElements)                          \
INLINE void OVERLOADABLE vstorea_half##numElements##rnd(float##numElements data,                  \
                                                        size_t offset,                            \
                                                        addressSpace half* p) {                   \
  addressSpace half##numElements *pHalf = (addressSpace half##numElements *)(p + offset * step);  \
  *pHalf = __intel_float2half##rnd(data);                                                         \
}

#if defined(cl_khr_fp64)
#define __CLFN_DEF_VSTORE_HALF(addressSpace, rnd)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, )                   \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 2)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 3)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 4)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 8)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 16)                 \
  __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, )                   \
  __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, 2)                  \
  __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, 3)                  \
  __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, 4)                  \
  __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, 8)                  \
  __CLFN_DEF_D_VSTORE_HALFX(addressSpace, rnd, 16)
#else
#define __CLFN_DEF_VSTORE_HALF(addressSpace, rnd)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, )                   \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 2)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 3)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 4)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 8)                  \
  __CLFN_DEF_F_VSTORE_HALFX(addressSpace, rnd, 16)
#endif


#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
#define __CLFN_DEF_VSTORE_HALF_AS(rnd)                    \
  __CLFN_DEF_VSTORE_HALF(generic, rnd)                    \
  __CLFN_DEF_VSTORE_HALF(global, rnd)                     \
  __CLFN_DEF_VSTORE_HALF(local, rnd)                      \
  __CLFN_DEF_VSTORE_HALF(private, rnd)
#else
#define __CLFN_DEF_VSTORE_HALF_AS(rnd)                    \
  __CLFN_DEF_VSTORE_HALF(global, rnd)                     \
  __CLFN_DEF_VSTORE_HALF(local, rnd)                      \
  __CLFN_DEF_VSTORE_HALF(private, rnd)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

#define __CLFN_DEF_VSTORE_HALF_ALL()                          \
  __CLFN_DEF_VSTORE_HALF_AS()                                 \
  __CLFN_DEF_VSTORE_HALF_AS(_rte)                             \
  __CLFN_DEF_VSTORE_HALF_AS(_rtz)                             \
  __CLFN_DEF_VSTORE_HALF_AS(_rtp)                             \
  __CLFN_DEF_VSTORE_HALF_AS(_rtn)

#if defined(cl_khr_fp64)
#define __CLFN_DEF_VSTOREA_HALF(addressSpace, rnd)               \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 1, )             \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 2, 2)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 4, 3)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 4, 4)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 8, 8)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 16, 16)          \
  __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, 1, )             \
  __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, 2, 2)            \
  __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, 4, 3)            \
  __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, 4, 4)            \
  __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, 8, 8)            \
  __CLFN_DEF_D_VSTOREA_HALFX(addressSpace, rnd, 16, 16)
#else
#define __CLFN_DEF_VSTOREA_HALF(addressSpace, rnd)               \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 1, )             \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 2, 2)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 4, 3)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 4, 4)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 8, 8)            \
  __CLFN_DEF_F_VSTOREA_HALFX(addressSpace, rnd, 16, 16)
#endif

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
#define __CLFN_DEF_VSTOREA_HALF_AS(rnd)                 \
  __CLFN_DEF_VSTOREA_HALF(generic, rnd)                 \
  __CLFN_DEF_VSTOREA_HALF(global, rnd)                  \
  __CLFN_DEF_VSTOREA_HALF(local, rnd)                   \
  __CLFN_DEF_VSTOREA_HALF(private, rnd)
#else
#define __CLFN_DEF_VSTOREA_HALF_AS(rnd)                 \
__CLFN_DEF_VSTOREA_HALF(global, rnd)                    \
__CLFN_DEF_VSTOREA_HALF(local, rnd)                     \
__CLFN_DEF_VSTOREA_HALF(private, rnd)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

#define __CLFN_DEF_VSTOREA_HALF_ALL()                       \
  __CLFN_DEF_VSTOREA_HALF_AS()                              \
  __CLFN_DEF_VSTOREA_HALF_AS(_rte)                          \
  __CLFN_DEF_VSTOREA_HALF_AS(_rtz)                          \
  __CLFN_DEF_VSTOREA_HALF_AS(_rtp)                          \
  __CLFN_DEF_VSTOREA_HALF_AS(_rtn)

//*****************************************************************************/
// vload/vstore HALF functions
//*****************************************************************************/
#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
__CLFN_DEF_F_VLOAD_SCALAR_HALF(__generic)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0
__CLFN_DEF_F_VLOAD_SCALAR_HALF(__global)
__CLFN_DEF_F_VLOAD_SCALAR_HALF(__local)
__CLFN_DEF_F_VLOAD_SCALAR_HALF(__constant)
__CLFN_DEF_F_VLOAD_SCALAR_HALF(__private)

#if (__OPENCL_C_VERSION__ >= CL_VERSION_2_0)
__CLFN_DEF_VSTORE_SCALAR_HALF(__generic)
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0
__CLFN_DEF_VSTORE_SCALAR_HALF(__global)
__CLFN_DEF_VSTORE_SCALAR_HALF(__local)
__CLFN_DEF_VSTORE_SCALAR_HALF(__private)
//*****************************************************************************/
// vload/vstore HALF functions
//*****************************************************************************/
__CLFN_DEF_F_VLOAD_HALF_ALL()
__CLFN_DEF_F_VLOADA_HALF_ALL()

__CLFN_DEF_VSTORE_HALF_ALL()
__CLFN_DEF_VSTOREA_HALF_ALL()
