| 1 | /*===---- __wmmintrin_pclmul.h - PCMUL intrinsics ---------------------------=== |
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| 2 | * |
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| 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 4 | * of this software and associated documentation files (the "Software"), to deal |
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| 5 | * in the Software without restriction, including without limitation the rights |
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| 6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 7 | * copies of the Software, and to permit persons to whom the Software is |
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| 8 | * furnished to do so, subject to the following conditions: |
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| 9 | * |
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| 10 | * The above copyright notice and this permission notice shall be included in |
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| 11 | * all copies or substantial portions of the Software. |
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| 12 | * |
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| 13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 15 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 16 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 17 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 18 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 19 | * THE SOFTWARE. |
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| 20 | * |
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| 21 | *===-----------------------------------------------------------------------=== |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef __WMMINTRIN_H |
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| 25 | #error "Never use <__wmmintrin_pclmul.h> directly; include <wmmintrin.h> instead." |
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| 26 | #endif |
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| 27 | |
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| 28 | #ifndef __WMMINTRIN_PCLMUL_H |
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| 29 | #define __WMMINTRIN_PCLMUL_H |
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| 30 | |
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| 31 | /// Multiplies two 64-bit integer values, which are selected from source |
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| 32 | /// operands using the immediate-value operand. The multiplication is a |
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| 33 | /// carry-less multiplication, and the 128-bit integer product is stored in |
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| 34 | /// the destination. |
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| 35 | /// |
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| 36 | /// \headerfile <x86intrin.h> |
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| 37 | /// |
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| 38 | /// \code |
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| 39 | /// __m128i _mm_clmulepi64_si128(__m128i __X, __m128i __Y, const int __I); |
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| 40 | /// \endcode |
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| 41 | /// |
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| 42 | /// This intrinsic corresponds to the <c> VPCLMULQDQ </c> instruction. |
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| 43 | /// |
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| 44 | /// \param __X |
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| 45 | /// A 128-bit vector of [2 x i64] containing one of the source operands. |
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| 46 | /// \param __Y |
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| 47 | /// A 128-bit vector of [2 x i64] containing one of the source operands. |
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| 48 | /// \param __I |
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| 49 | /// An immediate value specifying which 64-bit values to select from the |
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| 50 | /// operands. Bit 0 is used to select a value from operand \a __X, and bit |
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| 51 | /// 4 is used to select a value from operand \a __Y: \n |
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| 52 | /// Bit[0]=0 indicates that bits[63:0] of operand \a __X are used. \n |
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| 53 | /// Bit[0]=1 indicates that bits[127:64] of operand \a __X are used. \n |
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| 54 | /// Bit[4]=0 indicates that bits[63:0] of operand \a __Y are used. \n |
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| 55 | /// Bit[4]=1 indicates that bits[127:64] of operand \a __Y are used. |
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| 56 | /// \returns The 128-bit integer vector containing the result of the carry-less |
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| 57 | /// multiplication of the selected 64-bit values. |
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| 58 | #define _mm_clmulepi64_si128(X, Y, I) \ |
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| 59 | ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \ |
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| 60 | (__v2di)(__m128i)(Y), (char)(I))) |
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| 61 | |
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| 62 | #endif /* __WMMINTRIN_PCLMUL_H */ |
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| 63 | |
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