mirror of https://code.videolan.org/videolan/x264
47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/*****************************************************************************
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* intel_dispatcher.h: intel compiler cpu dispatcher override
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*****************************************************************************
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* Copyright (C) 2014-2024 x264 project
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*
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* Authors: Anton Mitrofanov <BugMaster@narod.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at licensing@x264.com.
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*****************************************************************************/
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#ifndef X264_INTEL_DISPATCHER_H
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#define X264_INTEL_DISPATCHER_H
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/* Feature flags using _FEATURE_* defines from immintrin.h */
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extern unsigned long long __intel_cpu_feature_indicator;
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extern unsigned long long __intel_cpu_feature_indicator_x;
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/* CPU vendor independent version of dispatcher */
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void __intel_cpu_features_init_x( void );
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static void x264_intel_dispatcher_override( void )
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{
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if( __intel_cpu_feature_indicator & ~1ULL )
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return;
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__intel_cpu_feature_indicator = 0;
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__intel_cpu_feature_indicator_x = 0;
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__intel_cpu_features_init_x();
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__intel_cpu_feature_indicator = __intel_cpu_feature_indicator_x;
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}
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#endif
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