/*===---- __wmmintrin_pclmul.h - PCMUL intrinsics ---------------------------=== * * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. * See https://llvm.org/LICENSE.txt for license information. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception * *===-----------------------------------------------------------------------=== */ #ifndef __WMMINTRIN_H #error "Never use <__wmmintrin_pclmul.h> directly; include <wmmintrin.h> instead." #endif #ifndef __WMMINTRIN_PCLMUL_H #define __WMMINTRIN_PCLMUL_H /// Multiplies two 64-bit integer values, which are selected from source /// operands using the immediate-value operand. The multiplication is a /// carry-less multiplication, and the 128-bit integer product is stored in /// the destination. /// /// \headerfile <x86intrin.h> /// /// \code /// __m128i _mm_clmulepi64_si128(__m128i __X, __m128i __Y, const int __I); /// \endcode /// /// This intrinsic corresponds to the <c> VPCLMULQDQ </c> instruction. /// /// \param __X /// A 128-bit vector of [2 x i64] containing one of the source operands. /// \param __Y /// A 128-bit vector of [2 x i64] containing one of the source operands. /// \param __I /// An immediate value specifying which 64-bit values to select from the /// operands. Bit 0 is used to select a value from operand \a __X, and bit /// 4 is used to select a value from operand \a __Y: \n /// Bit[0]=0 indicates that bits[63:0] of operand \a __X are used. \n /// Bit[0]=1 indicates that bits[127:64] of operand \a __X are used. \n /// Bit[4]=0 indicates that bits[63:0] of operand \a __Y are used. \n /// Bit[4]=1 indicates that bits[127:64] of operand \a __Y are used. /// \returns The 128-bit integer vector containing the result of the carry-less /// multiplication of the selected 64-bit values. #define _mm_clmulepi64_si128(X, Y, I) \ ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \ (__v2di)(__m128i)(Y), (char)(I))) #endif /* __WMMINTRIN_PCLMUL_H */ |