184 lines · c
1/*===---- ammintrin.h - SSE4a intrinsics -----------------------------------===2 *3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4 * See https://llvm.org/LICENSE.txt for license information.5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6 *7 *===-----------------------------------------------------------------------===8 */9 10#ifndef __AMMINTRIN_H11#define __AMMINTRIN_H12 13#if !defined(__i386__) && !defined(__x86_64__)14#error "This header is only meant to be used on x86 and x64 architecture"15#endif16 17#include <pmmintrin.h>18 19/* Define the default attributes for the functions in this file. */20#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("sse4a"), __min_vector_width__(128)))21 22/// Extracts the specified bits from the lower 64 bits of the 128-bit23/// integer vector operand at the index \a idx and of the length \a len.24///25/// \headerfile <x86intrin.h>26///27/// \code28/// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx);29/// \endcode30///31/// This intrinsic corresponds to the <c> EXTRQ </c> instruction.32///33/// \param x34/// The value from which bits are extracted.35/// \param len36/// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]37/// are zero, the length is interpreted as 64.38/// \param idx39/// Bits [5:0] specify the index of the least significant bit; the other40/// bits are ignored. If the sum of the index and length is greater than 64,41/// the result is undefined. If the length and index are both zero, bits42/// [63:0] of parameter \a x are extracted. If the length is zero but the43/// index is non-zero, the result is undefined.44/// \returns A 128-bit integer vector whose lower 64 bits contain the bits45/// extracted from the source operand.46#define _mm_extracti_si64(x, len, idx) \47 ((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \48 (char)(len), (char)(idx)))49 50/// Extracts the specified bits from the lower 64 bits of the 128-bit51/// integer vector operand at the index and of the length specified by52/// \a __y.53///54/// \headerfile <x86intrin.h>55///56/// This intrinsic corresponds to the <c> EXTRQ </c> instruction.57///58/// \param __x59/// The value from which bits are extracted.60/// \param __y61/// Specifies the index of the least significant bit at [13:8] and the62/// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the63/// length is interpreted as 64. If the sum of the index and length is64/// greater than 64, the result is undefined. If the length and index are65/// both zero, bits [63:0] of parameter \a __x are extracted. If the length66/// is zero but the index is non-zero, the result is undefined.67/// \returns A 128-bit vector whose lower 64 bits contain the bits extracted68/// from the source operand.69static __inline__ __m128i __DEFAULT_FN_ATTRS70_mm_extract_si64(__m128i __x, __m128i __y)71{72 return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y);73}74 75/// Inserts bits of a specified length from the source integer vector76/// \a y into the lower 64 bits of the destination integer vector \a x at77/// the index \a idx and of the length \a len.78///79/// \headerfile <x86intrin.h>80///81/// \code82/// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len,83/// const int idx);84/// \endcode85///86/// This intrinsic corresponds to the <c> INSERTQ </c> instruction.87///88/// \param x89/// The destination operand where bits will be inserted. The inserted bits90/// are defined by the length \a len and by the index \a idx specifying the91/// least significant bit.92/// \param y93/// The source operand containing the bits to be extracted. The extracted94/// bits are the least significant bits of operand \a y of length \a len.95/// \param len96/// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]97/// are zero, the length is interpreted as 64.98/// \param idx99/// Bits [5:0] specify the index of the least significant bit; the other100/// bits are ignored. If the sum of the index and length is greater than 64,101/// the result is undefined. If the length and index are both zero, bits102/// [63:0] of parameter \a y are inserted into parameter \a x. If the length103/// is zero but the index is non-zero, the result is undefined.104/// \returns A 128-bit integer vector containing the original lower 64-bits of105/// destination operand \a x with the specified bitfields replaced by the106/// lower bits of source operand \a y. The upper 64 bits of the return value107/// are undefined.108#define _mm_inserti_si64(x, y, len, idx) \109 ((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \110 (__v2di)(__m128i)(y), \111 (char)(len), (char)(idx)))112 113/// Inserts bits of a specified length from the source integer vector114/// \a __y into the lower 64 bits of the destination integer vector \a __x115/// at the index and of the length specified by \a __y.116///117/// \headerfile <x86intrin.h>118///119/// This intrinsic corresponds to the <c> INSERTQ </c> instruction.120///121/// \param __x122/// The destination operand where bits will be inserted. The inserted bits123/// are defined by the length and by the index of the least significant bit124/// specified by operand \a __y.125/// \param __y126/// The source operand containing the bits to be extracted. The extracted127/// bits are the least significant bits of operand \a __y with length128/// specified by bits [69:64]. These are inserted into the destination at the129/// index specified by bits [77:72]; all other bits are ignored. If bits130/// [69:64] are zero, the length is interpreted as 64. If the sum of the131/// index and length is greater than 64, the result is undefined. If the132/// length and index are both zero, bits [63:0] of parameter \a __y are133/// inserted into parameter \a __x. If the length is zero but the index is134/// non-zero, the result is undefined.135/// \returns A 128-bit integer vector containing the original lower 64-bits of136/// destination operand \a __x with the specified bitfields replaced by the137/// lower bits of source operand \a __y. The upper 64 bits of the return138/// value are undefined.139static __inline__ __m128i __DEFAULT_FN_ATTRS140_mm_insert_si64(__m128i __x, __m128i __y)141{142 return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y);143}144 145/// Stores a 64-bit double-precision value in a 64-bit memory location.146/// To minimize caching, the data is flagged as non-temporal (unlikely to be147/// used again soon).148///149/// \headerfile <x86intrin.h>150///151/// This intrinsic corresponds to the <c> MOVNTSD </c> instruction.152///153/// \param __p154/// The 64-bit memory location used to store the register value.155/// \param __a156/// The 64-bit double-precision floating-point register value to be stored.157static __inline__ void __DEFAULT_FN_ATTRS158_mm_stream_sd(void *__p, __m128d __a)159{160 __builtin_ia32_movntsd((double *)__p, (__v2df)__a);161}162 163/// Stores a 32-bit single-precision floating-point value in a 32-bit164/// memory location. To minimize caching, the data is flagged as165/// non-temporal (unlikely to be used again soon).166///167/// \headerfile <x86intrin.h>168///169/// This intrinsic corresponds to the <c> MOVNTSS </c> instruction.170///171/// \param __p172/// The 32-bit memory location used to store the register value.173/// \param __a174/// The 32-bit single-precision floating-point register value to be stored.175static __inline__ void __DEFAULT_FN_ATTRS176_mm_stream_ss(void *__p, __m128 __a)177{178 __builtin_ia32_movntss((float *)__p, (__v4sf)__a);179}180 181#undef __DEFAULT_FN_ATTRS182 183#endif /* __AMMINTRIN_H */184