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. 79 static __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. 149 static __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. 167 static __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. 185 static __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
