hotspot/src/cpu/x86/vm/vm_version_x86.cpp
changeset 31515 6aed85dadbe6
parent 31404 63e8fcd70bfc
child 31584 24e491478c2f
--- a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp	Fri Jun 26 19:11:15 2015 -0700
+++ b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp	Mon Jun 29 00:10:01 2015 -0700
@@ -699,6 +699,12 @@
     FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
   }
 
+  if (UseCRC32CIntrinsics) {
+    if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics))
+      warning("CRC32C intrinsics are not available on this CPU");
+    FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
+  }
+
   // Adjust RTM (Restricted Transactional Memory) flags
   if (!supports_rtm() && UseRTMLocking) {
     // Can't continue because UseRTMLocking affects UseBiasedLocking flag