diff --git a/Makefile.x86_64 b/Makefile.x86_64
index d5e9cbfc7..7ab331b1f 100644
--- a/Makefile.x86_64
+++ b/Makefile.x86_64
@@ -130,6 +130,28 @@ endif
 endif
 endif
 
+ifeq ($(CORE), ZEN)
+ifdef HAVE_AVX512VL	
+ifndef NO_AVX512
+CCOMMON_OPT += -march=skylake-avx512
+ifneq ($(F_COMPILER), NAG)
+FCOMMON_OPT += -march=skylake-avx512
+endif
+ifeq ($(OSNAME), CYGWIN_NT)
+CCOMMON_OPT += -fno-asynchronous-unwind-tables
+FCOMMON_OPT += -fno-asynchronous-unwind-tables
+endif
+ifeq ($(OSNAME), WINNT)
+ifeq ($(C_COMPILER), GCC)
+CCOMMON_OPT += -fno-asynchronous-unwind-tables
+FCOMMON_OPT += -fno-asynchronous-unwind-tables
+endif
+endif
+endif
+endif
+endif
+
+
 ifdef HAVE_AVX2
 ifndef NO_AVX2
 ifeq ($(C_COMPILER), GCC)
diff --git a/cmake/cc.cmake b/cmake/cc.cmake
index 62278c4a7..83b8d15ab 100644
--- a/cmake/cc.cmake
+++ b/cmake/cc.cmake
@@ -144,6 +144,21 @@ if (${CORE} STREQUAL SAPPHIRERAPIDS)
   endif ()
 endif ()
 
+if (${CORE} STREQUAL ZEN)
+  if (HAVE_AVX512VL)
+    if (NOT DYNAMIC_ARCH)
+      if (NOT NO_AVX512)
+        execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+        if (${GCC_VERSION} VERSION_GREATER 13.0 OR ${GCC_VERSION} VERSION_EQUAL 13.0)
+          set (CCOMMON_OPT  "${CCOMMON_OPT} -march=znver4")
+        else ()
+          set (CCOMMON_OPT "${CCOMMON_OPT} -march=skylake-avx512")
+        endif ()
+      endif ()
+    endif ()
+  endif ()
+endif ()
+
 if (${CORE} STREQUAL A64FX)
   if (NOT DYNAMIC_ARCH)
     execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
diff --git a/cmake/system.cmake b/cmake/system.cmake
index fd68f79d6..5788c2c5c 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -195,9 +195,27 @@ if (DEFINED TARGET)
     endif()    
   endif()
   if (${TARGET} STREQUAL SKYLAKEX AND NOT NO_AVX512)
-    set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
+    	  set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
   endif()
-  if ((${TARGET} STREQUAL HASWELL OR ${TARGET} STREQUAL ZEN) AND NOT NO_AVX2)
+  
+  if (((${TARGET} STREQUAL ZEN) AND HAVE_AVX512VL) AND NOT NO_AVX512)
+    if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
+      execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+        if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER 12.99)
+          set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=znver4")
+	else()
+    	  set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
+        endif()
+    elseif (${CMAKE_C_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_C_COMPILER_ID} STREQUAL "AppleClang")
+         if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER 15.99)
+          set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=znver4")
+	else()
+    	  set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
+        endif()
+    endif()
+  endif()
+  
+  if ((${TARGET} STREQUAL HASWELL OR (${TARGET} STREQUAL ZEN AND NOT HAVE_AVX512VL)) AND NOT NO_AVX2)
     if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
       execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
       if (${GCC_VERSION} VERSION_GREATER 4.7 OR ${GCC_VERSION} VERSION_EQUAL 4.7)