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