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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
#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(void *__p, __m128d __a)
{
__builtin_ia32_movntsd((double *)__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(void *__p, __m128 __a)
{
__builtin_ia32_movntss((float *)__p, (__v4sf)__a);
}
#undef __DEFAULT_FN_ATTRS
#endif /* __AMMINTRIN_H */