Initial import

libLSS/tools/cpu/feature_check.hpp

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+/*+
+    ARES/HADES/BORG Package -- ./libLSS/tools/cpu/feature_check.hpp
+    Copyright (C) 2014-2020 Guilhem Lavaux <guilhem.lavaux@iap.fr>
+    Copyright (C) 2009-2020 Jens Jasche <jens.jasche@fysik.su.se>
+
+    Additional contributions from:
+       Guilhem Lavaux <guilhem.lavaux@iap.fr> (2023)
+    
++*/
+#ifndef __LIBLSS_TOOLS_CPUCHECK_HPP
+#define __LIBLSS_TOOLS_CPUCHECK_HPP
+
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
+#  include "feature_check_gnuc.hpp"
+#else
+#  include "feature_check_other.hpp"
+#endif
+
+#endif

libLSS/tools/cpu/feature_check_gnuc.hpp

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+/*+
+    ARES/HADES/BORG Package -- ./libLSS/tools/cpu/feature_check_gnuc.hpp
+    Copyright (C) 2014-2020 Guilhem Lavaux <guilhem.lavaux@iap.fr>
+    Copyright (C) 2009-2020 Jens Jasche <jens.jasche@fysik.su.se>
+
+    Additional contributions from:
+       Guilhem Lavaux <guilhem.lavaux@iap.fr> (2023)
+    
++*/
+#include <string>
+
+namespace LibLSS {
+  static inline bool check_compatibility(std::string &features) {
+    __builtin_cpu_init();
+    features = "";
+#ifdef __MMX__
+    if (!__builtin_cpu_supports("mmx"))
+      return false;
+    features += "MMX ";
+#else
+    if (__builtin_cpu_supports("mmx"))
+      features += "[!MMX] ";
+#endif
+#ifdef __AVX__
+    if (!__builtin_cpu_supports("avx"))
+      return false;
+    features += "AVX ";
+#else
+    if (__builtin_cpu_supports("avx"))
+      features += "[!AVX] ";
+#endif
+#ifdef __AVX2__
+    if (!__builtin_cpu_supports("avx2"))
+      return false;
+    features += "AVX2 ";
+#else
+    if (__builtin_cpu_supports("avx2"))
+	    features += "[!AVX2] ";
+#endif
+#ifdef __AVX512F__
+    if (!__builtin_cpu_supports("avx512f"))
+      return false;
+    features += "AVX512F ";
+#else
+    if (__builtin_cpu_supports("avx512f"))
+       features += "[!AVX512F] ";
+#endif
+#ifdef __SSE__
+    if (!__builtin_cpu_supports("sse"))
+      return false;
+    features += "SSE ";
+#else
+    if (__builtin_cpu_supports("sse"))
+      features += "[!SSE] ";
+#endif
+#ifdef __SSE2__
+    if (!__builtin_cpu_supports("sse2"))
+      return false;
+    features += "SSE2 ";
+#else
+    if (__builtin_cpu_supports("sse2"))
+      features += "[!SSE2] ";
+#endif
+#ifdef __SSE3__
+    if (!__builtin_cpu_supports("sse3"))
+      return false;
+    features += "SSE3 ";
+#else
+    if (__builtin_cpu_supports("sse3"))
+      features += "[!SSE3] ";
+#endif
+#ifdef __SSE4_1__
+    if (!__builtin_cpu_supports("sse4.1"))
+      return false;
+    features += "SSE4.1 ";
+#else
+    if (__builtin_cpu_supports("sse4.1"))
+      features += "[!SSE4.1] ";
+#endif
+#ifdef __SSE4_2__
+    if (!__builtin_cpu_supports("sse4.2"))
+      return false;
+    features += "SSE4.2 ";
+#else
+    if (__builtin_cpu_supports("sse4.2"))
+      features += "[!SSE4.2] ";
+#endif
+    return true;
+  }
+} // namespace LibLSS

libLSS/tools/cpu/feature_check_other.hpp

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+/*+
+    ARES/HADES/BORG Package -- ./libLSS/tools/cpu/feature_check_other.hpp
+    Copyright (C) 2014-2020 Guilhem Lavaux <guilhem.lavaux@iap.fr>
+    Copyright (C) 2009-2020 Jens Jasche <jens.jasche@fysik.su.se>
+
+    Additional contributions from:
+       Guilhem Lavaux <guilhem.lavaux@iap.fr> (2023)
+    
++*/
+namespace LibLSS {
+  static inline bool check_compatibility(std::string &features) {
+    features = "*UNKNOWN*";
+    return true;
+  }
+} // namespace LibLSS