983 BackgroundCompilation = Arguments::_BackgroundCompilation;
984
985 // Change from defaults based on mode
986 switch (mode) {
987 default:
988 ShouldNotReachHere();
989 break;
990 case _int:
991 UseCompiler = false;
992 UseLoopCounter = false;
993 AlwaysCompileLoopMethods = false;
994 UseOnStackReplacement = false;
995 break;
996 case _mixed:
997 // same as default
998 break;
999 case _comp:
1000 UseInterpreter = false;
1001 BackgroundCompilation = false;
1002 ClipInlining = false;
1003 break;
1004 }
1005 }
1006
1007 // Conflict: required to use shared spaces (-Xshare:on), but
1008 // incompatible command line options were chosen.
1009
1010 static void no_shared_spaces() {
1011 if (RequireSharedSpaces) {
1012 jio_fprintf(defaultStream::error_stream(),
1013 "Class data sharing is inconsistent with other specified options.\n");
1014 vm_exit_during_initialization("Unable to use shared archive.", NULL);
1015 } else {
1016 FLAG_SET_DEFAULT(UseSharedSpaces, false);
1017 }
1018 }
1019
1020 void Arguments::set_tiered_flags() {
1021 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3.
1022 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) {
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983 BackgroundCompilation = Arguments::_BackgroundCompilation;
984
985 // Change from defaults based on mode
986 switch (mode) {
987 default:
988 ShouldNotReachHere();
989 break;
990 case _int:
991 UseCompiler = false;
992 UseLoopCounter = false;
993 AlwaysCompileLoopMethods = false;
994 UseOnStackReplacement = false;
995 break;
996 case _mixed:
997 // same as default
998 break;
999 case _comp:
1000 UseInterpreter = false;
1001 BackgroundCompilation = false;
1002 ClipInlining = false;
1003 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more.
1004 // We will first compile a level 3 version, then do one invocation of it and
1005 // compile a level 4 and then continue executing it.
1006 if (TieredCompilation) {
1007 Tier3InvokeNotifyFreqLog = 0;
1008 Tier4InvocationThreshold = 0;
1009 }
1010 break;
1011 }
1012 }
1013
1014 // Conflict: required to use shared spaces (-Xshare:on), but
1015 // incompatible command line options were chosen.
1016
1017 static void no_shared_spaces() {
1018 if (RequireSharedSpaces) {
1019 jio_fprintf(defaultStream::error_stream(),
1020 "Class data sharing is inconsistent with other specified options.\n");
1021 vm_exit_during_initialization("Unable to use shared archive.", NULL);
1022 } else {
1023 FLAG_SET_DEFAULT(UseSharedSpaces, false);
1024 }
1025 }
1026
1027 void Arguments::set_tiered_flags() {
1028 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3.
1029 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) {
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