Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

/*===---- ammintrin.h - SSE4a intrinsics -----------------------------------===

 *

 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

 * See https://llvm.org/LICENSE.txt for license information.

 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

 *

 *===-----------------------------------------------------------------------===

 */

#ifndef __AMMINTRIN_H

#define __AMMINTRIN_H

#if !defined(__i386__) && !defined(__x86_64__)

#error "This header is only meant to be used on x86 and x64 architecture"

#endif

#include <pmmintrin.h>

/* Define the default attributes for the functions in this file. */

#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("sse4a"), __min_vector_width__(128)))

/// Extracts the specified bits from the lower 64 bits of the 128-bit

///    integer vector operand at the index \a idx and of the length \a len.

///

/// \headerfile <x86intrin.h>

///

/// \code

/// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx);

/// \endcode

///

/// This intrinsic corresponds to the <c> EXTRQ </c> instruction.

///

/// \param x

///    The value from which bits are extracted.

/// \param len

///    Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]

///    are zero, the length is interpreted as 64.

/// \param idx

///    Bits [5:0] specify the index of the least significant bit; the other

///    bits are ignored. If the sum of the index and length is greater than 64,

///    the result is undefined. If the length and index are both zero, bits

///    [63:0] of parameter \a x are extracted. If the length is zero but the

///    index is non-zero, the result is undefined.

/// \returns A 128-bit integer vector whose lower 64 bits contain the bits

///    extracted from the source operand.

#define _mm_extracti_si64(x, len, idx) \

  ((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \

                                  (char)(len), (char)(idx)))

/// Extracts the specified bits from the lower 64 bits of the 128-bit

///    integer vector operand at the index and of the length specified by

///    \a __y.

///

/// \headerfile <x86intrin.h>

///

/// This intrinsic corresponds to the <c> EXTRQ </c> instruction.

///

/// \param __x

///    The value from which bits are extracted.

/// \param __y

///    Specifies the index of the least significant bit at [13:8] and the

///    length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the

///    length is interpreted as 64. If the sum of the index and length is

///    greater than 64, the result is undefined. If the length and index are

///    both zero, bits [63:0] of parameter \a __x are extracted. If the length

///    is zero but the index is non-zero, the result is undefined.

/// \returns A 128-bit vector whose lower 64 bits contain the bits extracted

///    from the source operand.

static __inline__ __m128i __DEFAULT_FN_ATTRS

_mm_extract_si64(__m128i __x, __m128i __y)

{

  return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y);

}

/// Inserts bits of a specified length from the source integer vector

///    \a y into the lower 64 bits of the destination integer vector \a x at

///    the index \a idx and of the length \a len.

///

/// \headerfile <x86intrin.h>

///

/// \code

/// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len,

/// const int idx);

/// \endcode

///

/// This intrinsic corresponds to the <c> INSERTQ </c> instruction.

///

/// \param x

///    The destination operand where bits will be inserted. The inserted bits

///    are defined by the length \a len and by the index \a idx specifying the

///    least significant bit.

/// \param y

///    The source operand containing the bits to be extracted. The extracted

///    bits are the least significant bits of operand \a y of length \a len.

/// \param len

///    Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]

///    are zero, the length is interpreted as 64.

/// \param idx

///    Bits [5:0] specify the index of the least significant bit; the other

///    bits are ignored. If the sum of the index and length is greater than 64,

///    the result is undefined. If the length and index are both zero, bits

///    [63:0] of parameter \a y are inserted into parameter \a x. If the length

///    is zero but the index is non-zero, the result is undefined.

/// \returns A 128-bit integer vector containing the original lower 64-bits of

///    destination operand \a x with the specified bitfields replaced by the

///    lower bits of source operand \a y. The upper 64 bits of the return value

///    are undefined.

#define _mm_inserti_si64(x, y, len, idx) \

  ((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \

                                    (__v2di)(__m128i)(y), \

                                    (char)(len), (char)(idx)))

/// Inserts bits of a specified length from the source integer vector

///    \a __y into the lower 64 bits of the destination integer vector \a __x

///    at the index and of the length specified by \a __y.

///

/// \headerfile <x86intrin.h>

///

/// This intrinsic corresponds to the <c> INSERTQ </c> instruction.

///

/// \param __x

///    The destination operand where bits will be inserted. The inserted bits

///    are defined by the length and by the index of the least significant bit

///    specified by operand \a __y.

/// \param __y

///    The source operand containing the bits to be extracted. The extracted

///    bits are the least significant bits of operand \a __y with length

///    specified by bits [69:64]. These are inserted into the destination at the

///    index specified by bits [77:72]; all other bits are ignored. If bits

///    [69:64] are zero, the length is interpreted as 64. If the sum of the

///    index and length is greater than 64, the result is undefined. If the

///    length and index are both zero, bits [63:0] of parameter \a __y are

///    inserted into parameter \a __x. If the length is zero but the index is

///    non-zero, the result is undefined.

/// \returns A 128-bit integer vector containing the original lower 64-bits of

///    destination operand \a __x with the specified bitfields replaced by the

///    lower bits of source operand \a __y. The upper 64 bits of the return

///    value are undefined.

static __inline__ __m128i __DEFAULT_FN_ATTRS

_mm_insert_si64(__m128i __x, __m128i __y)

{

  return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y);

}

/// Stores a 64-bit double-precision value in a 64-bit memory location.

///    To minimize caching, the data is flagged as non-temporal (unlikely to be

///    used again soon).

///

/// \headerfile <x86intrin.h>

///

/// This intrinsic corresponds to the <c> MOVNTSD </c> instruction.

///

/// \param __p

///    The 64-bit memory location used to store the register value.

/// \param __a

///    The 64-bit double-precision floating-point register value to be stored.

static __inline__ void __DEFAULT_FN_ATTRS

_mm_stream_sd(double *__p, __m128d __a)

{

  __builtin_ia32_movntsd(__p, (__v2df)__a);

}

/// Stores a 32-bit single-precision floating-point value in a 32-bit

///    memory location. To minimize caching, the data is flagged as

///    non-temporal (unlikely to be used again soon).

///

/// \headerfile <x86intrin.h>

///

/// This intrinsic corresponds to the <c> MOVNTSS </c> instruction.

///

/// \param __p

///    The 32-bit memory location used to store the register value.

/// \param __a

///    The 32-bit single-precision floating-point register value to be stored.

static __inline__ void __DEFAULT_FN_ATTRS

_mm_stream_ss(float *__p, __m128 __a)

{

  __builtin_ia32_movntss(__p, (__v4sf)__a);

}

#undef __DEFAULT_FN_ATTRS

#endif /* __AMMINTRIN_H */