diff --git a/cmake/cflags-x86.cmake b/cmake/cflags-x86.cmake
index 5ae21ee4..01200c27 100644
--- a/cmake/cflags-x86.cmake
+++ b/cmake/cflags-x86.cmake
@@ -1,29 +1,34 @@
 option(BUILD_AVX512 "Enabling support for AVX512" OFF)
 option(BUILD_AVX512VBMI "Enabling support for AVX512VBMI" OFF)
 
-set(SKYLAKE_FLAG "-march=skylake-avx512")
-set(ICELAKE_FLAG "-march=icelake-server")
+set(SKYLAKE_ARCH "skylake-avx512")
+set(ICELAKE_ARCH "icelake-server")
+set(SKYLAKE_FLAG "-march=${SKYLAKE_ARCH}")
+set(ICELAKE_FLAG "-march=${ICELAKE_ARCH}")
 
 if (NOT FAT_RUNTIME)
     if (BUILD_AVX512VBMI)
         message (STATUS "AVX512VBMI implies AVX512, enabling BUILD_AVX512")
         set(BUILD_AVX512 ON)
+        set(BUILD_AVX2 ON)
         set(ARCH_C_FLAGS "${ICELAKE_FLAG}")
         set(ARCH_CXX_FLAGS "${ICELAKE_FLAG}")
-    endif ()
-    if (BUILD_AVX512)
+        set(X86_ARCH "${ICELAKE_ARCH}")
+    elseif (BUILD_AVX512)
         message (STATUS "AVX512 implies AVX2, enabling BUILD_AVX2")
         set(BUILD_AVX2 ON)
         set(ARCH_C_FLAGS "${SKYLAKE_FLAG}")
         set(ARCH_CXX_FLAGS "${SKYLAKE_FLAG}")
-    endif ()
-    if (BUILD_AVX2)
+        set(X86_ARCH "${SKYLAKE_ARCH}")
+    elseif (BUILD_AVX2)
         message (STATUS "Enabling BUILD_AVX2")
         set(ARCH_C_FLAGS "-mavx2")
         set(ARCH_CXX_FLAGS "-mavx2")
+        set(X86_ARCH "core-avx2")
     else()
         set(ARCH_C_FLAGS "-msse4.2")
         set(ARCH_CXX_FLAGS "-msse4.2")
+        set(X86_ARCH "core-i7")
     endif()
 else()
     set(BUILD_AVX512VBMI ON)
@@ -31,6 +36,7 @@ else()
     set(BUILD_AVX2 ON)
     set(ARCH_C_FLAGS "-msse4.2")
     set(ARCH_CXX_FLAGS "-msse4.2")
+    set(X86_ARCH "x86-64-v2")
 endif()
 
 set(CMAKE_REQUIRED_FLAGS "${ARCH_C_FLAGS}")