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comparison src/share/vm/runtime/arguments.cpp @ 12280:9ed97b511b26

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8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException Summary: Make sure CDS is off by default when running server compiler. Reviewed-by: dholmes, coleenp
author hseigel
date Thu, 19 Sep 2013 11:04:23 -0400
parents dfae98867ee8
children 0f37d1badced
comparison
equal deleted inserted replaced
12279:6eb908998b32 12280:9ed97b511b26
1094 } 1094 }
1095 break; 1095 break;
1096 } 1096 }
1097 } 1097 }
1098 1098
1099 #if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS
1099 // Conflict: required to use shared spaces (-Xshare:on), but 1100 // Conflict: required to use shared spaces (-Xshare:on), but
1100 // incompatible command line options were chosen. 1101 // incompatible command line options were chosen.
1101 1102
1102 static void no_shared_spaces() { 1103 static void no_shared_spaces() {
1103 if (RequireSharedSpaces) { 1104 if (RequireSharedSpaces) {
1106 vm_exit_during_initialization("Unable to use shared archive.", NULL); 1107 vm_exit_during_initialization("Unable to use shared archive.", NULL);
1107 } else { 1108 } else {
1108 FLAG_SET_DEFAULT(UseSharedSpaces, false); 1109 FLAG_SET_DEFAULT(UseSharedSpaces, false);
1109 } 1110 }
1110 } 1111 }
1112 #endif
1111 1113
1112 void Arguments::set_tiered_flags() { 1114 void Arguments::set_tiered_flags() {
1113 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. 1115 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3.
1114 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { 1116 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) {
1115 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); 1117 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3);
1490 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); 1492 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true);
1491 } else { 1493 } else {
1492 FLAG_SET_ERGO(bool, UseParallelGC, true); 1494 FLAG_SET_ERGO(bool, UseParallelGC, true);
1493 } 1495 }
1494 } 1496 }
1495 // Shared spaces work fine with other GCs but causes bytecode rewriting 1497 }
1496 // to be disabled, which hurts interpreter performance and decreases 1498 #ifdef COMPILER2
1497 // server performance. On server class machines, keep the default 1499 // Shared spaces work fine with other GCs but causes bytecode rewriting
1498 // off unless it is asked for. Future work: either add bytecode rewriting 1500 // to be disabled, which hurts interpreter performance and decreases
1499 // at link time, or rewrite bytecodes in non-shared methods. 1501 // server performance. When -server is specified, keep the default off
1500 if (!DumpSharedSpaces && !RequireSharedSpaces && 1502 // unless it is asked for. Future work: either add bytecode rewriting
1501 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { 1503 // at link time, or rewrite bytecodes in non-shared methods.
1502 no_shared_spaces(); 1504 if (!DumpSharedSpaces && !RequireSharedSpaces &&
1503 } 1505 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) {
1504 } 1506 no_shared_spaces();
1507 }
1508 #endif
1505 1509
1506 #ifndef ZERO 1510 #ifndef ZERO
1507 #ifdef _LP64 1511 #ifdef _LP64
1508 set_use_compressed_oops(); 1512 set_use_compressed_oops();
1509 1513