216 lines
8.5 KiB
C
216 lines
8.5 KiB
C
/*===---- ammintrin.h - SSE4a intrinsics -----------------------------------===
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef __AMMINTRIN_H
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#define __AMMINTRIN_H
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#ifndef __SSE4A__
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#error "SSE4A instruction set not enabled"
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#else
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#include <pmmintrin.h>
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/* Define the default attributes for the functions in this file. */
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#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
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/// \brief Extracts the specified bits from the lower 64 bits of the 128-bit
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/// integer vector operand at the index idx and of the length len.
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx);
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/// \endcode
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///
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/// \code
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/// This intrinsic corresponds to the \c EXTRQ instruction.
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/// \endcode
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///
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/// \param x
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/// The value from which bits are extracted.
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/// \param len
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/// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]
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/// are zero, the length is interpreted as 64.
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/// \param idx
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/// Bits [5:0] specify the index of the least significant bit; the other
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/// bits are ignored. If the sum of the index and length is greater than
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/// 64, the result is undefined. If the length and index are both zero,
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/// bits [63:0] of parameter x are extracted. If the length is zero
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/// but the index is non-zero, the result is undefined.
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/// \returns A 128-bit integer vector whose lower 64 bits contain the bits
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/// extracted from the source operand.
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#define _mm_extracti_si64(x, len, idx) \
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((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \
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(char)(len), (char)(idx)))
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/// \brief Extracts the specified bits from the lower 64 bits of the 128-bit
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/// integer vector operand at the index and of the length specified by __y.
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// This intrinsic corresponds to the \c EXTRQ instruction.
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/// \endcode
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///
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/// \param __x
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/// The value from which bits are extracted.
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/// \param __y
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/// Specifies the index of the least significant bit at [13:8]
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/// and the length at [5:0]; all other bits are ignored.
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/// If bits [5:0] are zero, the length is interpreted as 64.
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/// If the sum of the index and length is greater than 64, the result is
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/// undefined. If the length and index are both zero, bits [63:0] of
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/// parameter __x are extracted. If the length is zero but the index is
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/// non-zero, the result is undefined.
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/// \returns A 128-bit vector whose lower 64 bits contain the bits extracted
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/// from the source operand.
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static __inline__ __m128i __DEFAULT_FN_ATTRS
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_mm_extract_si64(__m128i __x, __m128i __y)
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{
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return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y);
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}
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/// \brief Inserts bits of a specified length from the source integer vector
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/// y into the lower 64 bits of the destination integer vector x at the
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/// index idx and of the length len.
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len,
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/// const int idx);
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/// \endcode
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///
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/// \code
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/// This intrinsic corresponds to the \c INSERTQ instruction.
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/// \endcode
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///
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/// \param x
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/// The destination operand where bits will be inserted. The inserted bits
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/// are defined by the length len and by the index idx specifying the least
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/// significant bit.
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/// \param y
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/// The source operand containing the bits to be extracted. The extracted
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/// bits are the least significant bits of operand y of length len.
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/// \param len
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/// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]
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/// are zero, the length is interpreted as 64.
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/// \param idx
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/// Bits [5:0] specify the index of the least significant bit; the other
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/// bits are ignored. If the sum of the index and length is greater than
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/// 64, the result is undefined. If the length and index are both zero,
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/// bits [63:0] of parameter y are inserted into parameter x. If the
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/// length is zero but the index is non-zero, the result is undefined.
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/// \returns A 128-bit integer vector containing the original lower 64-bits
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/// of destination operand x with the specified bitfields replaced by the
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/// lower bits of source operand y. The upper 64 bits of the return value
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/// are undefined.
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#define _mm_inserti_si64(x, y, len, idx) \
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((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \
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(__v2di)(__m128i)(y), \
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(char)(len), (char)(idx)))
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/// \brief Inserts bits of a specified length from the source integer vector
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/// __y into the lower 64 bits of the destination integer vector __x at
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/// the index and of the length specified by __y.
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// This intrinsic corresponds to the \c INSERTQ instruction.
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/// \endcode
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///
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/// \param __x
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/// The destination operand where bits will be inserted. The inserted bits
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/// are defined by the length and by the index of the least significant bit
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/// specified by operand __y.
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/// \param __y
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/// The source operand containing the bits to be extracted. The extracted
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/// bits are the least significant bits of operand __y with length specified
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/// by bits [69:64]. These are inserted into the destination at the index
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/// specified by bits [77:72]; all other bits are ignored.
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/// If bits [69:64] are zero, the length is interpreted as 64.
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/// If the sum of the index and length is greater than 64, the result is
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/// undefined. If the length and index are both zero, bits [63:0] of
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/// parameter __y are inserted into parameter __x. If the length
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/// is zero but the index is non-zero, the result is undefined.
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/// \returns A 128-bit integer vector containing the original lower 64-bits
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/// of destination operand __x with the specified bitfields replaced by the
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/// lower bits of source operand __y. The upper 64 bits of the return value
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/// are undefined.
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static __inline__ __m128i __DEFAULT_FN_ATTRS
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_mm_insert_si64(__m128i __x, __m128i __y)
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{
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return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y);
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}
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/// \brief Stores a 64-bit double-precision value in a 64-bit memory location.
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/// To minimize caching, the data is flagged as non-temporal (unlikely to be
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/// used again soon).
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// This intrinsic corresponds to the \c MOVNTSD instruction.
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/// \endcode
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///
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/// \param __p
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/// The 64-bit memory location used to store the register value.
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/// \param __a
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/// The 64-bit double-precision floating-point register value to
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/// be stored.
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static __inline__ void __DEFAULT_FN_ATTRS
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_mm_stream_sd(double *__p, __m128d __a)
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{
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__builtin_ia32_movntsd(__p, (__v2df)__a);
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}
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/// \brief Stores a 32-bit single-precision floating-point value in a 32-bit
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/// memory location. To minimize caching, the data is flagged as
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/// non-temporal (unlikely to be used again soon).
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// This intrinsic corresponds to the \c MOVNTSS instruction.
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/// \endcode
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///
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/// \param __p
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/// The 32-bit memory location used to store the register value.
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/// \param __a
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/// The 32-bit single-precision floating-point register value to
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/// be stored.
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static __inline__ void __DEFAULT_FN_ATTRS
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_mm_stream_ss(float *__p, __m128 __a)
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{
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__builtin_ia32_movntss(__p, (__v4sf)__a);
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}
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#undef __DEFAULT_FN_ATTRS
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#endif /* __SSE4A__ */
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#endif /* __AMMINTRIN_H */
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