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allendowney
GitHub Repository: allendowney/cpython
 Path: blob/main/Modules/_blake2/impl/blake2-config.h
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/*

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   BLAKE2 reference source code package - optimized C implementations

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   Written in 2012 by Samuel Neves <[email protected]>

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   To the extent possible under law, the author(s) have dedicated all copyright

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   and related and neighboring rights to this software to the public domain

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   worldwide. This software is distributed without any warranty.

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   You should have received a copy of the CC0 Public Domain Dedication along with

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   this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.

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*/

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#pragma once

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#ifndef __BLAKE2_CONFIG_H__

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#define __BLAKE2_CONFIG_H__

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#if defined(__SSE2__)

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#define HAVE_SSE2

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#endif

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#if defined(__SSSE3__)

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#define HAVE_SSSE3

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#endif

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#if defined(__SSE4_1__)

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#define HAVE_SSE4_1

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#endif

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#if defined(__AVX__)

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#define HAVE_AVX

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#endif

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#if defined(__XOP__)

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#define HAVE_XOP

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#endif

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#ifdef HAVE_AVX2

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#ifndef HAVE_AVX

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#define HAVE_AVX

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#endif

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#endif

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#ifdef HAVE_XOP

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#ifndef HAVE_AVX

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#define HAVE_AVX

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#endif

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#endif

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#ifdef HAVE_AVX

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#ifndef HAVE_SSE4_1

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#define HAVE_SSE4_1

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#endif

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#endif

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#ifdef HAVE_SSE4_1

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#ifndef HAVE_SSSE3

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#define HAVE_SSSE3

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#endif

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#endif

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#ifdef HAVE_SSSE3

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#define HAVE_SSE2

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#endif

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#if !defined(HAVE_SSE2)

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#error "This code requires at least SSE2."

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#endif

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#endif

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