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c906172bf5
* Add check for simd acrh support * Updates * More polite and detailed error messages * Updates * Always true to conditional Co-authored-by: Leonid Fedorov <leonid.fedorov@mariadb.com>
67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
/* Copyright (C) 2022 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#pragma once
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#include <iostream>
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#ifdef __aarch64__
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#include <sys/auxv.h>
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#include <asm/hwcap.h>
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#endif
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namespace archcheck
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{
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enum class arcitecture
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{
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DEFAULT = 0,
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SSE4_2 = 1,
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ASIMD = 2,
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UNKNOWN = -1
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};
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#if defined(__x86_64__)
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__attribute__ ((target ("default")))
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arcitecture checkArchitecture()
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{
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// The default version.
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return arcitecture::DEFAULT;
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}
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__attribute__ ((target ("sse4.2")))
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arcitecture checkArchitecture ()
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{
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// version for SSE4.2
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return arcitecture::SSE4_2;
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}
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#elif defined(__aarch64__)
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arcitecture checkArchitecture()
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{
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// version for arm
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if ((getauxval(AT_HWCAP) & HWCAP_ASIMD) != 0)
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return arcitecture::ASIMD;
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return arcitecture::DEFAULT;
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}
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#else
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arcitecture checkArchitecture()
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{
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return arcitecture::UNKNOWN;
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}
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#endif
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}
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