Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/arguments.cpp @ 2228:59e20a452a2a
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
author | johnc |
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date | Wed, 09 Feb 2011 09:43:02 -0800 |
parents | 27e4ea99855d |
children | f77b3ec064b0 |
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2227:e5383553fd4e | 2228:59e20a452a2a |
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1408 #ifdef _LP64 | 1408 #ifdef _LP64 |
1409 // Check that UseCompressedOops can be set with the max heap size allocated | 1409 // Check that UseCompressedOops can be set with the max heap size allocated |
1410 // by ergonomics. | 1410 // by ergonomics. |
1411 if (MaxHeapSize <= max_heap_for_compressed_oops()) { | 1411 if (MaxHeapSize <= max_heap_for_compressed_oops()) { |
1412 #if !defined(COMPILER1) || defined(TIERED) | 1412 #if !defined(COMPILER1) || defined(TIERED) |
1413 if (FLAG_IS_DEFAULT(UseCompressedOops) && !UseG1GC) { | 1413 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
1414 FLAG_SET_ERGO(bool, UseCompressedOops, true); | 1414 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
1415 } | 1415 } |
1416 #endif | 1416 #endif |
1417 #ifdef _WIN64 | 1417 #ifdef _WIN64 |
1418 if (UseLargePages && UseCompressedOops) { | 1418 if (UseLargePages && UseCompressedOops) { |