1*67e74705SXin Li /*===---- __wmmintrin_pclmul.h - PCMUL intrinsics ---------------------------=== 2*67e74705SXin Li * 3*67e74705SXin Li * Permission is hereby granted, free of charge, to any person obtaining a copy 4*67e74705SXin Li * of this software and associated documentation files (the "Software"), to deal 5*67e74705SXin Li * in the Software without restriction, including without limitation the rights 6*67e74705SXin Li * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7*67e74705SXin Li * copies of the Software, and to permit persons to whom the Software is 8*67e74705SXin Li * furnished to do so, subject to the following conditions: 9*67e74705SXin Li * 10*67e74705SXin Li * The above copyright notice and this permission notice shall be included in 11*67e74705SXin Li * all copies or substantial portions of the Software. 12*67e74705SXin Li * 13*67e74705SXin Li * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14*67e74705SXin Li * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15*67e74705SXin Li * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16*67e74705SXin Li * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17*67e74705SXin Li * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18*67e74705SXin Li * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19*67e74705SXin Li * THE SOFTWARE. 20*67e74705SXin Li * 21*67e74705SXin Li *===-----------------------------------------------------------------------=== 22*67e74705SXin Li */ 23*67e74705SXin Li #ifndef _WMMINTRIN_PCLMUL_H 24*67e74705SXin Li #define _WMMINTRIN_PCLMUL_H 25*67e74705SXin Li 26*67e74705SXin Li /// \brief Multiplies two 64-bit integer values, which are selected from source 27*67e74705SXin Li /// operands using the immediate-value operand. The multiplication is a 28*67e74705SXin Li /// carry-less multiplication, and the 128-bit integer product is stored in 29*67e74705SXin Li /// the destination. 30*67e74705SXin Li /// 31*67e74705SXin Li /// \headerfile <x86intrin.h> 32*67e74705SXin Li /// 33*67e74705SXin Li /// \code 34*67e74705SXin Li /// __m128i _mm_clmulepi64_si128(__m128i __X, __m128i __Y, const int __I); 35*67e74705SXin Li /// \endcode 36*67e74705SXin Li /// 37*67e74705SXin Li /// This intrinsic corresponds to the \c VPCLMULQDQ instruction. 38*67e74705SXin Li /// 39*67e74705SXin Li /// \param __X 40*67e74705SXin Li /// A 128-bit vector of [2 x i64] containing one of the source operands. 41*67e74705SXin Li /// \param __Y 42*67e74705SXin Li /// A 128-bit vector of [2 x i64] containing one of the source operands. 43*67e74705SXin Li /// \param __I 44*67e74705SXin Li /// An immediate value specifying which 64-bit values to select from the 45*67e74705SXin Li /// operands. 46*67e74705SXin Li /// Bit 0 is used to select a value from operand __X, 47*67e74705SXin Li /// and bit 4 is used to select a value from operand __Y: 48*67e74705SXin Li /// Bit[0]=0 indicates that bits[63:0] of operand __X are used. 49*67e74705SXin Li /// Bit[0]=1 indicates that bits[127:64] of operand __X are used. 50*67e74705SXin Li /// Bit[4]=0 indicates that bits[63:0] of operand __Y are used. 51*67e74705SXin Li /// Bit[4]=1 indicates that bits[127:64] of operand __Y are used. 52*67e74705SXin Li /// \returns The 128-bit integer vector containing the result of the carry-less 53*67e74705SXin Li /// multiplication of the selected 64-bit values. 54*67e74705SXin Li #define _mm_clmulepi64_si128(__X, __Y, __I) \ 55*67e74705SXin Li ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \ 56*67e74705SXin Li (__v2di)(__m128i)(__Y), (char)(__I))) 57*67e74705SXin Li 58*67e74705SXin Li #endif /* _WMMINTRIN_PCLMUL_H */ 59