7118648: disable compressed oops by default on MacOS X until 7118647 is fixed
Summary: UseCompressedOops is false by default on MacOS X; can still be set manually
Reviewed-by: jmelvin, kvn, dholmes
--- a/hotspot/src/share/vm/runtime/arguments.cpp Tue Dec 06 16:35:04 2011 -0500
+++ b/hotspot/src/share/vm/runtime/arguments.cpp Wed Dec 07 07:27:09 2011 -0800
@@ -1359,9 +1359,12 @@
// by ergonomics.
if (MaxHeapSize <= max_heap_for_compressed_oops()) {
#if !defined(COMPILER1) || defined(TIERED)
+// disable UseCompressedOops by default on MacOS X until 7118647 is fixed
+#ifndef __APPLE__
if (FLAG_IS_DEFAULT(UseCompressedOops)) {
FLAG_SET_ERGO(bool, UseCompressedOops, true);
}
+#endif // !__APPLE__
#endif
#ifdef _WIN64
if (UseLargePages && UseCompressedOops) {