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 /*===---- 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 #include /* 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 /// /// \code /// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx); /// \endcode /// /// This intrinsic corresponds to the 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 \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 /// /// This intrinsic corresponds to the 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 \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 /// /// \code /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len, /// const int idx); /// \endcode /// /// This intrinsic corresponds to the INSERTQ 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 /// /// This intrinsic corresponds to the 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 \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 /// /// This intrinsic corresponds to the 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); } /// 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 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 */