ammintrin.h revision 314564
1/*===---- ammintrin.h - SSE4a intrinsics -----------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 * THE SOFTWARE. 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24#ifndef __AMMINTRIN_H 25#define __AMMINTRIN_H 26 27#include <pmmintrin.h> 28 29/* Define the default attributes for the functions in this file. */ 30#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("sse4a"))) 31 32/// \brief Extracts the specified bits from the lower 64 bits of the 128-bit 33/// integer vector operand at the index \a idx and of the length \a len. 34/// 35/// \headerfile <x86intrin.h> 36/// 37/// \code 38/// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx); 39/// \endcode 40/// 41/// This intrinsic corresponds to the <c> EXTRQ </c> instruction. 42/// 43/// \param x 44/// The value from which bits are extracted. 45/// \param len 46/// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] 47/// are zero, the length is interpreted as 64. 48/// \param idx 49/// Bits [5:0] specify the index of the least significant bit; the other 50/// bits are ignored. If the sum of the index and length is greater than 64, 51/// the result is undefined. If the length and index are both zero, bits 52/// [63:0] of parameter \a x are extracted. If the length is zero but the 53/// index is non-zero, the result is undefined. 54/// \returns A 128-bit integer vector whose lower 64 bits contain the bits 55/// extracted from the source operand. 56#define _mm_extracti_si64(x, len, idx) \ 57 ((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \ 58 (char)(len), (char)(idx))) 59 60/// \brief Extracts the specified bits from the lower 64 bits of the 128-bit 61/// integer vector operand at the index and of the length specified by 62/// \a __y. 63/// 64/// \headerfile <x86intrin.h> 65/// 66/// This intrinsic corresponds to the <c> EXTRQ </c> instruction. 67/// 68/// \param __x 69/// The value from which bits are extracted. 70/// \param __y 71/// Specifies the index of the least significant bit at [13:8] and the 72/// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the 73/// length is interpreted as 64. If the sum of the index and length is 74/// greater than 64, the result is undefined. If the length and index are 75/// both zero, bits [63:0] of parameter \a __x are extracted. If the length 76/// is zero but the index is non-zero, the result is undefined. 77/// \returns A 128-bit vector whose lower 64 bits contain the bits extracted 78/// from the source operand. 79static __inline__ __m128i __DEFAULT_FN_ATTRS 80_mm_extract_si64(__m128i __x, __m128i __y) 81{ 82 return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y); 83} 84 85/// \brief Inserts bits of a specified length from the source integer vector 86/// \a y into the lower 64 bits of the destination integer vector \a x at 87/// the index \a idx and of the length \a len. 88/// 89/// \headerfile <x86intrin.h> 90/// 91/// \code 92/// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len, 93/// const int idx); 94/// \endcode 95/// 96/// This intrinsic corresponds to the <c> INSERTQ </c> instruction. 97/// 98/// \param x 99/// The destination operand where bits will be inserted. The inserted bits 100/// are defined by the length \a len and by the index \a idx specifying the 101/// least significant bit. 102/// \param y 103/// The source operand containing the bits to be extracted. The extracted 104/// bits are the least significant bits of operand \a y of length \a len. 105/// \param len 106/// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] 107/// are zero, the length is interpreted as 64. 108/// \param idx 109/// Bits [5:0] specify the index of the least significant bit; the other 110/// bits are ignored. If the sum of the index and length is greater than 64, 111/// the result is undefined. If the length and index are both zero, bits 112/// [63:0] of parameter \a y are inserted into parameter \a x. If the length 113/// is zero but the index is non-zero, the result is undefined. 114/// \returns A 128-bit integer vector containing the original lower 64-bits of 115/// destination operand \a x with the specified bitfields replaced by the 116/// lower bits of source operand \a y. The upper 64 bits of the return value 117/// are undefined. 118#define _mm_inserti_si64(x, y, len, idx) \ 119 ((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \ 120 (__v2di)(__m128i)(y), \ 121 (char)(len), (char)(idx))) 122 123/// \brief Inserts bits of a specified length from the source integer vector 124/// \a __y into the lower 64 bits of the destination integer vector \a __x 125/// at the index and of the length specified by \a __y. 126/// 127/// \headerfile <x86intrin.h> 128/// 129/// This intrinsic corresponds to the <c> INSERTQ </c> instruction. 130/// 131/// \param __x 132/// The destination operand where bits will be inserted. The inserted bits 133/// are defined by the length and by the index of the least significant bit 134/// specified by operand \a __y. 135/// \param __y 136/// The source operand containing the bits to be extracted. The extracted 137/// bits are the least significant bits of operand \a __y with length 138/// specified by bits [69:64]. These are inserted into the destination at the 139/// index specified by bits [77:72]; all other bits are ignored. If bits 140/// [69:64] are zero, the length is interpreted as 64. If the sum of the 141/// index and length is greater than 64, the result is undefined. If the 142/// length and index are both zero, bits [63:0] of parameter \a __y are 143/// inserted into parameter \a __x. If the length is zero but the index is 144/// non-zero, the result is undefined. 145/// \returns A 128-bit integer vector containing the original lower 64-bits of 146/// destination operand \a __x with the specified bitfields replaced by the 147/// lower bits of source operand \a __y. The upper 64 bits of the return 148/// value are undefined. 149static __inline__ __m128i __DEFAULT_FN_ATTRS 150_mm_insert_si64(__m128i __x, __m128i __y) 151{ 152 return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y); 153} 154 155/// \brief Stores a 64-bit double-precision value in a 64-bit memory location. 156/// To minimize caching, the data is flagged as non-temporal (unlikely to be 157/// used again soon). 158/// 159/// \headerfile <x86intrin.h> 160/// 161/// This intrinsic corresponds to the <c> MOVNTSD </c> instruction. 162/// 163/// \param __p 164/// The 64-bit memory location used to store the register value. 165/// \param __a 166/// The 64-bit double-precision floating-point register value to be stored. 167static __inline__ void __DEFAULT_FN_ATTRS 168_mm_stream_sd(double *__p, __m128d __a) 169{ 170 __builtin_ia32_movntsd(__p, (__v2df)__a); 171} 172 173/// \brief Stores a 32-bit single-precision floating-point value in a 32-bit 174/// memory location. To minimize caching, the data is flagged as 175/// non-temporal (unlikely to be used again soon). 176/// 177/// \headerfile <x86intrin.h> 178/// 179/// This intrinsic corresponds to the <c> MOVNTSS </c> instruction. 180/// 181/// \param __p 182/// The 32-bit memory location used to store the register value. 183/// \param __a 184/// The 32-bit single-precision floating-point register value to be stored. 185static __inline__ void __DEFAULT_FN_ATTRS 186_mm_stream_ss(float *__p, __m128 __a) 187{ 188 __builtin_ia32_movntss(__p, (__v4sf)__a); 189} 190 191#undef __DEFAULT_FN_ATTRS 192 193#endif /* __AMMINTRIN_H */ 194