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 /*===---- 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 /* 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 /// /// \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. #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 /// /// 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 /// /// \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. #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 /// /// 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 /// /// 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 /// /// 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); } #undef __DEFAULT_FN_ATTRS #endif /* __AMMINTRIN_H */