fuchsia / third_party / swift-clang / a40ea3abe6e2f0b338d00c38fe7d724241c5af97 / . / lib / Headers / ammintrin.h

/*===---- ammintrin.h - SSE4a 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 __AMMINTRIN_H | |

#define __AMMINTRIN_H | |

#include <pmmintrin.h> | |

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

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

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

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

/// | |

/// \headerfile <x86intrin.h> | |

/// | |

/// \code | |

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

/// \endcode | |

/// | |

/// \code | |

/// This intrinsic corresponds to the \c EXTRQ instruction. | |

/// \endcode | |

/// | |

/// \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 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))) | |

/// \brief 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 __y. | |

/// | |

/// \headerfile <x86intrin.h> | |

/// | |

/// \code | |

/// This intrinsic corresponds to the \c EXTRQ instruction. | |

/// \endcode | |

/// | |

/// \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 __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); | |

} | |

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

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

/// index idx and of the length len. | |

/// | |

/// \headerfile <x86intrin.h> | |

/// | |

/// \code | |

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

/// const int idx); | |

/// \endcode | |

/// | |

/// \code | |

/// This intrinsic corresponds to the \c INSERTQ instruction. | |

/// \endcode | |

/// | |

/// \param x | |

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

/// are defined by the length len and by the index 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 y of length 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 y are inserted into parameter 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 x with the specified bitfields replaced by the | |

/// lower bits of source operand 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))) | |

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

/// __y into the lower 64 bits of the destination integer vector __x at | |

/// the index and of the length specified by __y. | |

/// | |

/// \headerfile <x86intrin.h> | |

/// | |

/// \code | |

/// This intrinsic corresponds to the \c INSERTQ instruction. | |

/// \endcode | |

/// | |

/// \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 __y. | |

/// \param __y | |

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

/// bits are the least significant bits of operand __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 __y are inserted into parameter __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 __x with the specified bitfields replaced by the | |

/// lower bits of source operand __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); | |

} | |

/// \brief 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> | |

/// | |

/// \code | |

/// This intrinsic corresponds to the \c MOVNTSD instruction. | |

/// \endcode | |

/// | |

/// \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); | |

} | |

/// \brief 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> | |

/// | |

/// \code | |

/// This intrinsic corresponds to the \c MOVNTSS instruction. | |

/// \endcode | |

/// | |

/// \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 */ |