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/*===---- pmmintrin.h - SSE3 intrinsics ------------------------------------===
 *
 * 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.
 *
 *===-----------------------------------------------------------------------===
 */

#ifndef __PMMINTRIN_H
#define __PMMINTRIN_H

#include <emmintrin.h>

/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS \
  __attribute__((__always_inline__, __nodebug__, __target__("sse3")))

/// \brief Loads data from an unaligned memory location to elements in a 128-bit
///    vector. If the address of the data is not 16-byte aligned, the
///    instruction may read two adjacent aligned blocks of memory to retrieve
///    the requested data.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VLDDQU instruction.
///
/// \param __p
///    A pointer to a 128-bit integer vector containing integer values.
/// \returns A 128-bit vector containing the moved values.
static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_lddqu_si128(__m128i const *__p)
{
  return (__m128i)__builtin_ia32_lddqu((char const *)__p);
}

/// \brief Adds the even-indexed values and subtracts the odd-indexed values of
///    two 128-bit vectors of [4 x float].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VADDSUBPS instruction.
///
/// \param __a
///    A 128-bit vector of [4 x float] containing the left source operand.
/// \param __b
///    A 128-bit vector of [4 x float] containing the right source operand.
/// \returns A 128-bit vector of [4 x float] containing the alternating sums and
///    differences of both operands.
static __inline__ __m128 __DEFAULT_FN_ATTRS
_mm_addsub_ps(__m128 __a, __m128 __b)
{
  return __builtin_ia32_addsubps((__v4sf)__a, (__v4sf)__b);
}

/// \brief Horizontally adds the adjacent pairs of values contained in two
///    128-bit vectors of [4 x float].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VHADDPS instruction.
///
/// \param __a
///    A 128-bit vector of [4 x float] containing one of the source operands.
///    The horizontal sums of the values are stored in the lower bits of the
///    destination.
/// \param __b
///    A 128-bit vector of [4 x float] containing one of the source operands.
///    The horizontal sums of the values are stored in the upper bits of the
///    destination.
/// \returns A 128-bit vector of [4 x float] containing the horizontal sums of
///    both operands.
static __inline__ __m128 __DEFAULT_FN_ATTRS
_mm_hadd_ps(__m128 __a, __m128 __b)
{
  return __builtin_ia32_haddps((__v4sf)__a, (__v4sf)__b);
}

/// \brief Horizontally subtracts the adjacent pairs of values contained in two
///    128-bit vectors of [4 x float].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VHSUBPS instruction.
///
/// \param __a
///    A 128-bit vector of [4 x float] containing one of the source operands.
///    The horizontal differences between the values are stored in the lower
///    bits of the destination.
/// \param __b
///    A 128-bit vector of [4 x float] containing one of the source operands.
///    The horizontal differences between the values are stored in the upper
///    bits of the destination.
/// \returns A 128-bit vector of [4 x float] containing the horizontal
///    differences of both operands.
static __inline__ __m128 __DEFAULT_FN_ATTRS
_mm_hsub_ps(__m128 __a, __m128 __b)
{
  return __builtin_ia32_hsubps((__v4sf)__a, (__v4sf)__b);
}

/// \brief Moves and duplicates high-order (odd-indexed) values from a 128-bit
///    vector of [4 x float] to float values stored in a 128-bit vector of
///    [4 x float].
///    Bits [127:96] of the source are written to bits [127:96] and [95:64] of
///    the destination.
///    Bits [63:32] of the source are written to bits [63:32] and [31:0] of the
///    destination.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VMOVSHDUP instruction.
///
/// \param __a
///    A 128-bit vector of [4 x float].
/// \returns A 128-bit vector of [4 x float] containing the moved and duplicated
///    values.
static __inline__ __m128 __DEFAULT_FN_ATTRS
_mm_movehdup_ps(__m128 __a)
{
  return __builtin_shufflevector((__v4sf)__a, (__v4sf)__a, 1, 1, 3, 3);
}

/// \brief Duplicates low-order (even-indexed) values from a 128-bit
///    vector of [4 x float] to float values stored in a 128-bit vector of
///    [4 x float].
///    Bits [95:64] of the source are written to bits [127:96] and [95:64] of
///    the destination.
///    Bits [31:0] of the source are written to bits [63:32] and [31:0] of the
///    destination.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VMOVSLDUP instruction.
///
/// \param __a
///    A 128-bit vector of [4 x float].
/// \returns A 128-bit vector of [4 x float] containing the moved and duplicated
///    values.
static __inline__ __m128 __DEFAULT_FN_ATTRS
_mm_moveldup_ps(__m128 __a)
{
  return __builtin_shufflevector((__v4sf)__a, (__v4sf)__a, 0, 0, 2, 2);
}

/// \brief Adds the even-indexed values and subtracts the odd-indexed values of
///    two 128-bit vectors of [2 x double].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VADDSUBPD instruction.
///
/// \param __a
///    A 128-bit vector of [2 x double] containing the left source operand.
/// \param __b
///    A 128-bit vector of [2 x double] containing the right source operand.
/// \returns A 128-bit vector of [2 x double] containing the alternating sums
///    and differences of both operands.
static __inline__ __m128d __DEFAULT_FN_ATTRS
_mm_addsub_pd(__m128d __a, __m128d __b)
{
  return __builtin_ia32_addsubpd((__v2df)__a, (__v2df)__b);
}

/// \brief Horizontally adds the pairs of values contained in two 128-bit
///    vectors of [2 x double].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VHADDPD instruction.
///
/// \param __a
///    A 128-bit vector of [2 x double] containing one of the source operands.
///    The horizontal sum of the values is stored in the lower bits of the
///    destination.
/// \param __b
///    A 128-bit vector of [2 x double] containing one of the source operands.
///    The horizontal sum of the values is stored in the upper bits of the
///    destination.
/// \returns A 128-bit vector of [2 x double] containing the horizontal sums of
///    both operands.
static __inline__ __m128d __DEFAULT_FN_ATTRS
_mm_hadd_pd(__m128d __a, __m128d __b)
{
  return __builtin_ia32_haddpd((__v2df)__a, (__v2df)__b);
}

/// \brief Horizontally subtracts the pairs of values contained in two 128-bit
///    vectors of [2 x double].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VHSUBPD instruction.
///
/// \param __a
///    A 128-bit vector of [2 x double] containing one of the source operands.
///    The horizontal difference of the values is stored in the lower bits of
///    the destination.
/// \param __b
///    A 128-bit vector of [2 x double] containing one of the source operands.
///    The horizontal difference of the values is stored in the upper bits of
///    the destination.
/// \returns A 128-bit vector of [2 x double] containing the horizontal
///    differences of both operands.
static __inline__ __m128d __DEFAULT_FN_ATTRS
_mm_hsub_pd(__m128d __a, __m128d __b)
{
  return __builtin_ia32_hsubpd((__v2df)__a, (__v2df)__b);
}

/// \brief Moves and duplicates one double-precision value to double-precision
///    values stored in a 128-bit vector of [2 x double].
///
/// \headerfile <x86intrin.h>
///
/// \code
/// __m128d _mm_loaddup_pd(double const * dp);
/// \endcode
///
/// This intrinsic corresponds to the \c VMOVDDUP instruction.
///
/// \param dp
///    A pointer to a double-precision value to be moved and duplicated.
/// \returns A 128-bit vector of [2 x double] containing the moved and
///    duplicated values.
#define        _mm_loaddup_pd(dp)        _mm_load1_pd(dp)

/// \brief Moves and duplicates the double-precision value in the lower bits of
///    a 128-bit vector of [2 x double] to double-precision values stored in a
///    128-bit vector of [2 x double].
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c VMOVDDUP instruction.
///
/// \param __a
///    A 128-bit vector of [2 x double]. Bits [63:0] are written to bits
///    [127:64] and [63:0] of the destination.
/// \returns A 128-bit vector of [2 x double] containing the moved and
///    duplicated values.
static __inline__ __m128d __DEFAULT_FN_ATTRS
_mm_movedup_pd(__m128d __a)
{
  return __builtin_shufflevector((__v2df)__a, (__v2df)__a, 0, 0);
}

#define _MM_DENORMALS_ZERO_ON   (0x0040)
#define _MM_DENORMALS_ZERO_OFF  (0x0000)

#define _MM_DENORMALS_ZERO_MASK (0x0040)

#define _MM_GET_DENORMALS_ZERO_MODE() (_mm_getcsr() & _MM_DENORMALS_ZERO_MASK)
#define _MM_SET_DENORMALS_ZERO_MODE(x) (_mm_setcsr((_mm_getcsr() & ~_MM_DENORMALS_ZERO_MASK) | (x)))

/// \brief Establishes a linear address memory range to be monitored and puts
///    the processor in the monitor event pending state. Data stored in the
///    monitored address range causes the processor to exit the pending state.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c MONITOR instruction.
///
/// \param __p
///    The memory range to be monitored. The size of the range is determined by
///    CPUID function 0000_0005h.
/// \param __extensions
///    Optional extensions for the monitoring state.
/// \param __hints
///    Optional hints for the monitoring state.
static __inline__ void __DEFAULT_FN_ATTRS
_mm_monitor(void const *__p, unsigned __extensions, unsigned __hints)
{
  __builtin_ia32_monitor((void *)__p, __extensions, __hints);
}

/// \brief Used with the MONITOR instruction to wait while the processor is in
///    the monitor event pending state. Data stored in the monitored address
///    range causes the processor to exit the pending state.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c MWAIT instruction.
///
/// \param __extensions
///    Optional extensions for the monitoring state, which may vary by
///    processor.
/// \param __hints
///    Optional hints for the monitoring state, which may vary by processor.
static __inline__ void __DEFAULT_FN_ATTRS
_mm_mwait(unsigned __extensions, unsigned __hints)
{
  __builtin_ia32_mwait(__extensions, __hints);
}

#undef __DEFAULT_FN_ATTRS

#endif /* __PMMINTRIN_H */