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 idx and of the length 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 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 x are extracted. If the length is zero but the index 53 /// 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 __y. 62 /// 63 /// \headerfile <x86intrin.h> 64 /// 65 /// This intrinsic corresponds to the \c EXTRQ instruction. 66 /// 67 /// \param __x 68 /// The value from which bits are extracted. 69 /// \param __y 70 /// Specifies the index of the least significant bit at [13:8] and the 71 /// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the 72 /// length is interpreted as 64. If the sum of the index and length is 73 /// greater than 64, the result is undefined. If the length and index are 74 /// both zero, bits [63:0] of parameter __x are extracted. If the length is 75 /// zero but the index is non-zero, the result is undefined. 76 /// \returns A 128-bit vector whose lower 64 bits contain the bits extracted 77 /// from the source operand. 78 static __inline__ __m128i __DEFAULT_FN_ATTRS 79 _mm_extract_si64(__m128i __x, __m128i __y) 80 { 81 return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y); 82 } 83 84 /// \brief Inserts bits of a specified length from the source integer vector y 85 /// into the lower 64 bits of the destination integer vector x at the index 86 /// idx and of the length len. 87 /// 88 /// \headerfile <x86intrin.h> 89 /// 90 /// \code 91 /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len, 92 /// const int idx); 93 /// \endcode 94 /// 95 /// This intrinsic corresponds to the \c INSERTQ instruction. 96 /// 97 /// \param x 98 /// The destination operand where bits will be inserted. The inserted bits 99 /// are defined by the length len and by the index idx specifying the least 100 /// significant bit. 101 /// \param y 102 /// The source operand containing the bits to be extracted. The extracted 103 /// bits are the least significant bits of operand y of length len. 104 /// \param len 105 /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] 106 /// are zero, the length is interpreted as 64. 107 /// \param idx 108 /// Bits [5:0] specify the index of the least significant bit; the other 109 /// bits are ignored. If the sum of the index and length is greater than 64, 110 /// the result is undefined. If the length and index are both zero, bits 111 /// [63:0] of parameter y are inserted into parameter x. If the length is 112 /// zero but the index is non-zero, the result is undefined. 113 /// \returns A 128-bit integer vector containing the original lower 64-bits of 114 /// destination operand x with the specified bitfields replaced by the lower 115 /// bits of source operand y. The upper 64 bits of the return value are 116 /// undefined. 117 118 #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 /// __y into the lower 64 bits of the destination integer vector __x at the 125 /// index and of the length specified by __y. 126 /// 127 /// \headerfile <x86intrin.h> 128 /// 129 /// This intrinsic corresponds to the \c INSERTQ 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 __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 __y with length specified 138 /// by bits [69:64]. These are inserted into the destination at the index 139 /// specified by bits [77:72]; all other bits are ignored. If bits [69:64] 140 /// are zero, the length is interpreted as 64. If the sum of the index and 141 /// length is greater than 64, the result is undefined. If the length and 142 /// index are both zero, bits [63:0] of parameter __y are inserted into 143 /// parameter __x. If the length is zero but the index is non-zero, the 144 /// result is undefined. 145 /// \returns A 128-bit integer vector containing the original lower 64-bits of 146 /// destination operand __x with the specified bitfields replaced by the 147 /// lower bits of source operand __y. The upper 64 bits of the return value 148 /// are undefined. 149 150 static __inline__ __m128i __DEFAULT_FN_ATTRS 151 _mm_insert_si64(__m128i __x, __m128i __y) 152 { 153 return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y); 154 } 155 156 /// \brief Stores a 64-bit double-precision value in a 64-bit memory location. 157 /// To minimize caching, the data is flagged as non-temporal (unlikely to be 158 /// used again soon). 159 /// 160 /// \headerfile <x86intrin.h> 161 /// 162 /// This intrinsic corresponds to the \c MOVNTSD instruction. 163 /// 164 /// \param __p 165 /// The 64-bit memory location used to store the register value. 166 /// \param __a 167 /// The 64-bit double-precision floating-point register value to be stored. 168 static __inline__ void __DEFAULT_FN_ATTRS 169 _mm_stream_sd(double *__p, __m128d __a) 170 { 171 __builtin_ia32_movntsd(__p, (__v2df)__a); 172 } 173 174 /// \brief Stores a 32-bit single-precision floating-point value in a 32-bit 175 /// memory location. To minimize caching, the data is flagged as 176 /// non-temporal (unlikely to be used again soon). 177 /// 178 /// \headerfile <x86intrin.h> 179 /// 180 /// This intrinsic corresponds to the \c MOVNTSS instruction. 181 /// 182 /// \param __p 183 /// The 32-bit memory location used to store the register value. 184 /// \param __a 185 /// The 32-bit single-precision floating-point register value to be stored. 186 static __inline__ void __DEFAULT_FN_ATTRS 187 _mm_stream_ss(float *__p, __m128 __a) 188 { 189 __builtin_ia32_movntss(__p, (__v4sf)__a); 190 } 191 192 #undef __DEFAULT_FN_ATTRS 193 194 #endif /* __AMMINTRIN_H */ 195
