diff -r 7bf7e00a1aac -r 63e8fcd70bfc hotspot/src/cpu/x86/vm/vm_version_x86.cpp --- a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp Tue Jun 16 16:10:36 2015 -0700 +++ b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp Wed Jun 17 17:48:25 2015 -0700 @@ -677,6 +677,17 @@ FLAG_SET_DEFAULT(UseAESIntrinsics, false); } + // GHASH/GCM intrinsics + if (UseCLMUL && (UseSSE > 2)) { + if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) { + UseGHASHIntrinsics = true; + } + } else if (UseGHASHIntrinsics) { + if (!FLAG_IS_DEFAULT(UseGHASHIntrinsics)) + warning("GHASH intrinsic requires CLMUL and SSE2 instructions on this CPU"); + FLAG_SET_DEFAULT(UseGHASHIntrinsics, false); + } + if (UseSHA) { warning("SHA instructions are not available on this CPU"); FLAG_SET_DEFAULT(UseSHA, false);