Disable global optimizations for Rijndael using MSC compiler (GH #649)

weidai11 · Nov 6, 2018 · f57df06 · f57df06
1 parent 5a36cd5
commit f57df06
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/rijndael.cpp b/rijndael.cpp
@@ -88,6 +88,14 @@ being unloaded from L1 cache, until that round is finished.
 #include "misc.h"
 #include "cpu.h"
 
+// MSVC bug, still don't know how to fix it. TODO, figure out
+// when we can re-enable optimizations for MSVC. Also see
+// https://github.com/weidai11/cryptopp/issues/649
+#if defined(_MSC_VER) && (_MSC_VER >= 1910)
+# pragma optimize("", off)
+# pragma optimize("ts", on)
+#endif
+
 NAMESPACE_BEGIN(CryptoPP)
 
 // Hack for http://github.com/weidai11/cryptopp/issues/42 and http://github.com/weidai11/cryptopp/issues/132