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-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9 10 #ifndef __AMMINTRIN_H 11 #define __AMMINTRIN_H 12 13 #if !defined(__i386__) && !defined(__x86_64__) 14 #error "This header is only meant to be used on x86 and x64 architecture" 15 #endif 16 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-bit 23 /// integer vector operand at the index \a idx and of the length \a len. 24 /// 25 /// \headerfile <x86intrin.h> 26 /// 27 /// \code 28 /// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx); 29 /// \endcode 30 /// 31 /// This intrinsic corresponds to the <c> EXTRQ </c> instruction. 32 /// 33 /// \param x 34 /// The value from which bits are extracted. 35 /// \param len 36 /// 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 idx 39 /// Bits [5:0] specify the index of the least significant bit; the other 40 /// 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, bits 42 /// [63:0] of parameter \a x are extracted. If the length is zero but the 43 /// index is non-zero, the result is undefined. 44 /// \returns A 128-bit integer vector whose lower 64 bits contain the bits 45 /// 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-bit 51 /// integer vector operand at the index and of the length specified by 52 /// \a __y. 53 /// 54 /// \headerfile <x86intrin.h> 55 /// 56 /// This intrinsic corresponds to the <c> EXTRQ </c> instruction. 57 /// 58 /// \param __x 59 /// The value from which bits are extracted. 60 /// \param __y 61 /// Specifies the index of the least significant bit at [13:8] and the 62 /// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the 63 /// length is interpreted as 64. If the sum of the index and length is 64 /// greater than 64, the result is undefined. If the length and index are 65 /// both zero, bits [63:0] of parameter \a __x are extracted. If the length 66 /// 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 extracted 68 /// from the source operand. 69 static __inline__ __m128i __DEFAULT_FN_ATTRS 70 _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 vector 76 /// \a y into the lower 64 bits of the destination integer vector \a x at 77 /// the index \a idx and of the length \a len. 78 /// 79 /// \headerfile <x86intrin.h> 80 /// 81 /// \code 82 /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len, 83 /// const int idx); 84 /// \endcode 85 /// 86 /// This intrinsic corresponds to the <c> INSERTQ </c> instruction. 87 /// 88 /// \param x 89 /// The destination operand where bits will be inserted. The inserted bits 90 /// are defined by the length \a len and by the index \a idx specifying the 91 /// least significant bit. 92 /// \param y 93 /// The source operand containing the bits to be extracted. The extracted 94 /// bits are the least significant bits of operand \a y of length \a len. 95 /// \param len 96 /// 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 idx 99 /// Bits [5:0] specify the index of the least significant bit; the other 100 /// 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, bits 102 /// [63:0] of parameter \a y are inserted into parameter \a x. If the length 103 /// 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 of 105 /// destination operand \a x with the specified bitfields replaced by the 106 /// lower bits of source operand \a y. The upper 64 bits of the return value 107 /// 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 vector 114 /// \a __y into the lower 64 bits of the destination integer vector \a __x 115 /// 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 __x 122 /// The destination operand where bits will be inserted. The inserted bits 123 /// are defined by the length and by the index of the least significant bit 124 /// specified by operand \a __y. 125 /// \param __y 126 /// The source operand containing the bits to be extracted. The extracted 127 /// bits are the least significant bits of operand \a __y with length 128 /// specified by bits [69:64]. These are inserted into the destination at the 129 /// index specified by bits [77:72]; all other bits are ignored. If bits 130 /// [69:64] are zero, the length is interpreted as 64. If the sum of the 131 /// index and length is greater than 64, the result is undefined. If the 132 /// length and index are both zero, bits [63:0] of parameter \a __y are 133 /// inserted into parameter \a __x. If the length is zero but the index is 134 /// non-zero, the result is undefined. 135 /// \returns A 128-bit integer vector containing the original lower 64-bits of 136 /// destination operand \a __x with the specified bitfields replaced by the 137 /// lower bits of source operand \a __y. The upper 64 bits of the return 138 /// value are undefined. 139 static __inline__ __m128i __DEFAULT_FN_ATTRS 140 _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 be 147 /// used again soon). 148 /// 149 /// \headerfile <x86intrin.h> 150 /// 151 /// This intrinsic corresponds to the <c> MOVNTSD </c> instruction. 152 /// 153 /// \param __p 154 /// The 64-bit memory location used to store the register value. 155 /// \param __a 156 /// The 64-bit double-precision floating-point register value to be stored. 157 static __inline__ void __DEFAULT_FN_ATTRS 158 _mm_stream_sd(double *__p, __m128d __a) 159 { 160 __builtin_ia32_movntsd(__p, (__v2df)__a); 161 } 162 163 /// Stores a 32-bit single-precision floating-point value in a 32-bit 164 /// memory location. To minimize caching, the data is flagged as 165 /// 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 __p 172 /// The 32-bit memory location used to store the register value. 173 /// \param __a 174 /// The 32-bit single-precision floating-point register value to be stored. 175 static __inline__ void __DEFAULT_FN_ATTRS 176 _mm_stream_ss(float *__p, __m128 __a) 177 { 178 __builtin_ia32_movntss(__p, (__v4sf)__a); 179 } 180 181 #undef __DEFAULT_FN_ATTRS 182 183 #endif /* __AMMINTRIN_H */ 184