Add express -mavx and -msse options (and fix a stray = for cooperlake)

cmake/cc.cmake

@@ -109,10 +109,25 @@ if (${CORE} STREQUAL "COOPERLAKE")
     if (NOT NO_AVX512)
       execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
       if (${GCC_VERSION} VERSION_GREATER 10.1 OR ${GCC_VERSION} VERSION_EQUAL 10.1)
-        set (CCOMMON_OPT = "${CCOMMON_OPT} -march=cooperlake")
+        set (CCOMMON_OPT  "${CCOMMON_OPT} -march=cooperlake")
       else ()
         set (CCOMMON_OPT "${CCOMMON_OPT} -march=skylake-avx512")
       endif()  
     endif ()
   endif ()
 endif ()
+
+if (NOT DYNAMIC_ARCH)
+	if (HAVE_AVX2)
+        set (CCOMMON_OPT  "${CCOMMON_OPT} -mavx2")
+	endif ()
+	if (HAVE_AVX)
+        set (CCOMMON_OPT  "${CCOMMON_OPT} -mavx")
+	endif ()
+	if (HAVE_SSE3)
+        set (CCOMMON_OPT  "${CCOMMON_OPT} -msse3")
+	endif ()
+	if (HAVE_SSSE3)
+        set (CCOMMON_OPT  "${CCOMMON_OPT} -mssse3")
+	endif ()
+endif()