--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancStone/Sources/Toolbox/SimdIncludes.h	Wed May 17 17:30:52 2023 +0200
@@ -0,0 +1,57 @@
+/**
+ * Stone of Orthanc
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2022 Osimis S.A., Belgium
+ * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#if defined(__EMSCRIPTEN__)
+#  include <emscripten.h>
+#  include <wasm_simd128.h>
+#else
+#  include <immintrin.h>  // portable to all x86 compilers
+#endif
+
+#if __AVX2__ == 1
+#  define ORTHANC_HAS_AVX2          1
+#  define ORTHANC_HAS_SSE2          1
+#  define ORTHANC_HAS_WASM_SIMD     0
+#  define ORTHANC_MEMORY_ALIGNMENT  32
+#elif __SSE2__ == 1
+#  define ORTHANC_HAS_AVX2          0
+#  define ORTHANC_HAS_SSE2          1
+#  define ORTHANC_HAS_WASM_SIMD     0
+#  define ORTHANC_MEMORY_ALIGNMENT  16
+#elif defined(__EMSCRIPTEN__)
+#  define ORTHANC_HAS_AVX2          0
+#  define ORTHANC_HAS_SSE2          0
+#  define ORTHANC_HAS_WASM_SIMD     1
+#  define ORTHANC_MEMORY_ALIGNMENT  16
+#elif defined(_MSC_VER)
+#  if _M_IX86_FP >= 2   // https://stackoverflow.com/a/18563988
+#    define ORTHANC_HAS_AVX2          0
+#    define ORTHANC_HAS_SSE2          0
+#    define ORTHANC_HAS_WASM_SIMD     1
+#    define ORTHANC_MEMORY_ALIGNMENT  16
+#  endif
+#else
+#  define ORTHANC_MEMORY_ALIGNMENT  8
+#endif