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4cf5743b77
Summary: These all had somewhat custom file headers with different text from the ones I searched for previously, and so I missed them. Thanks to Hal and Kristina and others who prompted me to fix this, and sorry it took so long. Reviewers: hfinkel Subscribers: mcrosier, javed.absar, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D60406 llvm-svn: 357941
49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
/*===---- __wmmintrin_pclmul.h - PCMUL intrinsics ---------------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef __WMMINTRIN_H
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#error "Never use <__wmmintrin_pclmul.h> directly; include <wmmintrin.h> instead."
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#endif
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#ifndef __WMMINTRIN_PCLMUL_H
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#define __WMMINTRIN_PCLMUL_H
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/// Multiplies two 64-bit integer values, which are selected from source
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/// operands using the immediate-value operand. The multiplication is a
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/// carry-less multiplication, and the 128-bit integer product is stored in
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/// the destination.
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///
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/// \headerfile <x86intrin.h>
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///
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/// \code
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/// __m128i _mm_clmulepi64_si128(__m128i __X, __m128i __Y, const int __I);
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/// \endcode
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///
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/// This intrinsic corresponds to the <c> VPCLMULQDQ </c> instruction.
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///
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/// \param __X
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/// A 128-bit vector of [2 x i64] containing one of the source operands.
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/// \param __Y
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/// A 128-bit vector of [2 x i64] containing one of the source operands.
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/// \param __I
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/// An immediate value specifying which 64-bit values to select from the
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/// operands. Bit 0 is used to select a value from operand \a __X, and bit
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/// 4 is used to select a value from operand \a __Y: \n
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/// Bit[0]=0 indicates that bits[63:0] of operand \a __X are used. \n
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/// Bit[0]=1 indicates that bits[127:64] of operand \a __X are used. \n
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/// Bit[4]=0 indicates that bits[63:0] of operand \a __Y are used. \n
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/// Bit[4]=1 indicates that bits[127:64] of operand \a __Y are used.
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/// \returns The 128-bit integer vector containing the result of the carry-less
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/// multiplication of the selected 64-bit values.
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#define _mm_clmulepi64_si128(X, Y, I) \
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((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
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(__v2di)(__m128i)(Y), (char)(I)))
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#endif /* __WMMINTRIN_PCLMUL_H */
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