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42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2003-2020 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License
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// Version 2.0.
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// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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//
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//*************************************************************************
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///
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/// \file
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/// \brief Verilator: Common include for target specific intrinsics.
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///
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/// Code using machine specific intrinsics for optimization should
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/// include this header rather than directly including he target
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/// specific headers. We provide macros to check for availability
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/// of instruction sets, and a common mechanism to disable them.
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///
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//*************************************************************************
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#ifndef _VERILATED_INTRINSICS_H_
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#define _VERILATED_INTRINSICS_H_ 1 ///< Header Guard
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// clang-format off
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// Use VL_PORTABLE_ONLY to disable all intrinsics based optimization
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#ifndef VL_PORTABLE_ONLY
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# if defined(__SSE2__) && !defined(VL_DISABLE_SSE2)
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# define VL_HAVE_SSE2 1
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# include <emmintrin.h>
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# endif
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# if defined(__AVX2__) && defined(VL_HAVE_SSE2) && !defined(VL_DISABLE_AVX2)
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# define VL_HAVE_AVX2 1
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# include <immintrin.h>
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# endif
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#endif
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// clang-format on
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#endif // Guard
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