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diff --git a/src/common/cpu.h b/src/common/cpu.h
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * cpu.h - prototypes pour l'obtention d'indications de fonctionnalités liées au CPU
+ *
+ * Copyright (C) 2022 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Chrysalide.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _COMMON_CPU_H
+#define _COMMON_CPU_H
+
+
+
+/* Indication de capacité de calculs parallèles */
+typedef enum _CPUSMIDFeature
+{
+    CSF_NONE   = (0 << 0),                  /* Absence d'indication        */
+
+    CSF_AVX2   = (1 << 0),                  /* Advanced Vector Extensions  */
+    CSF_AVX512 = (1 << 1),                  /* Advanced Vector Extensions  */
+
+    CSF_ALL    = ((1 << 2) - 1),
+
+} CPUSMIDFeature;
+
+
+/* Indique les capacités de calculs parallèles anticipées. */
+CPUSMIDFeature get_supported_cpu_smid_feature(void);
+
+/* Indique les capacités de calculs parallèles sollicitables. */
+CPUSMIDFeature get_avalaible_cpu_smid_feature(void);
+
+
+
+#endif  /* _COMMON_CPU_H */