Wed, 09 Feb 2011 09:43:02 -0800
7017008: G1: Turn on compressed oops by default.
Summary: Normally compressed oops is enabled when the maximum heap size is under a certain limit, except when G1 is also enabled. Remove this limitation. Also re-enable GCBasher testing with G1 on 64 bit windows in jprt.
Reviewed-by: jcoomes, brutisso, tonyp
make/jprt.properties | file | annotate | diff | comparison | revisions | |
src/share/vm/runtime/arguments.cpp | file | annotate | diff | comparison | revisions |
1.1 --- a/make/jprt.properties Tue Feb 08 12:33:19 2011 +0100 1.2 +++ b/make/jprt.properties Wed Feb 09 09:43:02 2011 -0800 1.3 @@ -1,5 +1,5 @@ 1.4 # 1.5 -# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 1.6 +# Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved. 1.7 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.8 # 1.9 # This code is free software; you can redistribute it and/or modify it 1.10 @@ -357,6 +357,7 @@ 1.11 ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParallelGC, \ 1.12 ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParNewGC, \ 1.13 ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_CMS, \ 1.14 + ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_G1, \ 1.15 ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCBasher_ParOldGC, \ 1.16 ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_default, \ 1.17 ${jprt.my.windows.x64}-{product|fastdebug}-c2-GCOld_SerialGC, \
2.1 --- a/src/share/vm/runtime/arguments.cpp Tue Feb 08 12:33:19 2011 +0100 2.2 +++ b/src/share/vm/runtime/arguments.cpp Wed Feb 09 09:43:02 2011 -0800 2.3 @@ -1410,7 +1410,7 @@ 2.4 // by ergonomics. 2.5 if (MaxHeapSize <= max_heap_for_compressed_oops()) { 2.6 #if !defined(COMPILER1) || defined(TIERED) 2.7 - if (FLAG_IS_DEFAULT(UseCompressedOops) && !UseG1GC) { 2.8 + if (FLAG_IS_DEFAULT(UseCompressedOops)) { 2.9 FLAG_SET_ERGO(bool, UseCompressedOops, true); 2.10 } 2.11 #endif