| /*===---- ammintrin.h - SSE4a intrinsics -----------------------------------=== | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
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| * 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, | |
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| * THE SOFTWARE. | |
| * | |
| *===-----------------------------------------------------------------------=== | |
| */ | |
| /* Define the default attributes for the functions in this file. */ | |
| /// \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 | |
| /// | |
| /// This intrinsic corresponds to the \c EXTRQ 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 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. | |
| /// \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> | |
| /// | |
| /// This intrinsic corresponds to the \c EXTRQ 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 __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 | |
| /// | |
| /// This intrinsic corresponds to the \c INSERTQ instruction. | |
| /// | |
| /// \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. | |
| /// \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> | |
| /// | |
| /// This intrinsic corresponds to the \c INSERTQ 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 __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> | |
| /// | |
| /// This intrinsic corresponds to the \c MOVNTSD 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); | |
| } | |
| /// \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> | |
| /// | |
| /// This intrinsic corresponds to the \c MOVNTSS 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); | |
| } | |