llvm / llvm-project / 77ff6f7df8691a735a2dc979cdb44835dd2d41af / . / clang / lib / Headers / ammintrin.h

/*===---- 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 */ |