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180 lines
7.4 KiB
C
Vendored
180 lines
7.4 KiB
C
Vendored
/*===---- ammintrin.h - SSE4a intrinsics -----------------------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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#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__, __target__("sse4a"), __min_vector_width__(128)))
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/// Extracts the specified bits from the lower 64 bits of the 128-bit
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/// integer vector operand at the index \a idx and of the length \a 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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/// This intrinsic corresponds to the <c> EXTRQ </c> instruction.
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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 64,
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/// the result is undefined. If the length and index are both zero, bits
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/// [63:0] of parameter \a x are extracted. If the length is zero but the
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/// 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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/// 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
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/// \a __y.
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///
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/// \headerfile <x86intrin.h>
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///
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/// This intrinsic corresponds to the <c> EXTRQ </c> instruction.
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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] and the
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/// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the
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/// length is interpreted as 64. If the sum of the index and length is
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/// greater than 64, the result is undefined. If the length and index are
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/// both zero, bits [63:0] of parameter \a __x are extracted. 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 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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/// Inserts bits of a specified length from the source integer vector
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/// \a y into the lower 64 bits of the destination integer vector \a x at
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/// the index \a idx and of the length \a 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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/// This intrinsic corresponds to the <c> INSERTQ </c> instruction.
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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 \a len and by the index \a idx specifying the
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/// least 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 \a y of length \a 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 64,
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/// the result is undefined. If the length and index are both zero, bits
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/// [63:0] of parameter \a y are inserted into parameter \a 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 of
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/// destination operand \a x with the specified bitfields replaced by the
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/// lower bits of source operand \a 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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/// Inserts bits of a specified length from the source integer vector
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/// \a __y into the lower 64 bits of the destination integer vector \a __x
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/// at the index and of the length specified by \a __y.
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///
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/// \headerfile <x86intrin.h>
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///
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/// This intrinsic corresponds to the <c> INSERTQ </c> instruction.
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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 \a __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 \a __y with length
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/// specified by bits [69:64]. These are inserted into the destination at the
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/// index specified by bits [77:72]; all other bits are ignored. If bits
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/// [69:64] are zero, the length is interpreted as 64. If the sum of the
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/// index and length is greater than 64, the result is undefined. If the
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/// length and index are both zero, bits [63:0] of parameter \a __y are
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/// inserted into parameter \a __x. 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 integer vector containing the original lower 64-bits of
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/// destination operand \a __x with the specified bitfields replaced by the
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/// lower bits of source operand \a __y. The upper 64 bits of the return
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/// value 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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/// 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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/// This intrinsic corresponds to the <c> MOVNTSD </c> instruction.
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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 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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/// 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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/// This intrinsic corresponds to the <c> MOVNTSS </c> instruction.
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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 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 /* __AMMINTRIN_H */
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