675 if (!FLAG_IS_DEFAULT(UseAESIntrinsics))
676 warning("AES intrinsics are not available on this CPU");
677 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
678 }
679
680 // GHASH/GCM intrinsics
681 if (UseCLMUL && (UseSSE > 2)) {
682 if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {
683 UseGHASHIntrinsics = true;
684 }
685 } else if (UseGHASHIntrinsics) {
686 if (!FLAG_IS_DEFAULT(UseGHASHIntrinsics))
687 warning("GHASH intrinsic requires CLMUL and SSE2 instructions on this CPU");
688 FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
689 }
690
691 if (UseSHA) {
692 warning("SHA instructions are not available on this CPU");
693 FLAG_SET_DEFAULT(UseSHA, false);
694 }
695 if (UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics) {
696 warning("SHA intrinsics are not available on this CPU");
697 FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
698 FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
699 FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
700 }
701
702 if (UseCRC32CIntrinsics) {
703 if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics))
704 warning("CRC32C intrinsics are not available on this CPU");
705 FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
706 }
707
708 // Adjust RTM (Restricted Transactional Memory) flags
709 if (!supports_rtm() && UseRTMLocking) {
710 // Can't continue because UseRTMLocking affects UseBiasedLocking flag
711 // setting during arguments processing. See use_biased_locking().
712 // VM_Version_init() is executed after UseBiasedLocking is used
713 // in Thread::allocate().
714 vm_exit_during_initialization("RTM instructions are not available on this CPU");
715 }
716
717 #if INCLUDE_RTM_OPT
718 if (UseRTMLocking) {
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675 if (!FLAG_IS_DEFAULT(UseAESIntrinsics))
676 warning("AES intrinsics are not available on this CPU");
677 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
678 }
679
680 // GHASH/GCM intrinsics
681 if (UseCLMUL && (UseSSE > 2)) {
682 if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {
683 UseGHASHIntrinsics = true;
684 }
685 } else if (UseGHASHIntrinsics) {
686 if (!FLAG_IS_DEFAULT(UseGHASHIntrinsics))
687 warning("GHASH intrinsic requires CLMUL and SSE2 instructions on this CPU");
688 FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
689 }
690
691 if (UseSHA) {
692 warning("SHA instructions are not available on this CPU");
693 FLAG_SET_DEFAULT(UseSHA, false);
694 }
695
696 if (UseSHA1Intrinsics) {
697 warning("Intrinsics for SHA-1 crypto hash functions not available.");
698 FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
699 }
700
701 if (UseSHA256Intrinsics) {
702 warning("Intrinsics for SHA-224 and SHA-256 crypto hash functions not available.");
703 FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
704 }
705
706 if (UseSHA512Intrinsics) {
707 warning("Intrinsics for SHA-384 and SHA-512 crypto hash functions not available.");
708 FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
709 }
710
711 if (UseCRC32CIntrinsics) {
712 if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics))
713 warning("CRC32C intrinsics are not available on this CPU");
714 FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
715 }
716
717 // Adjust RTM (Restricted Transactional Memory) flags
718 if (!supports_rtm() && UseRTMLocking) {
719 // Can't continue because UseRTMLocking affects UseBiasedLocking flag
720 // setting during arguments processing. See use_biased_locking().
721 // VM_Version_init() is executed after UseBiasedLocking is used
722 // in Thread::allocate().
723 vm_exit_during_initialization("RTM instructions are not available on this CPU");
724 }
725
726 #if INCLUDE_RTM_OPT
727 if (UseRTMLocking) {
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