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diff src/share/vm/utilities/globalDefinitions.hpp @ 12056:740e263c80c6

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8003424: Enable Class Data Sharing for CompressedOops 8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops 8005933: The -Xshare:auto option is ignored for -server Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs. Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
author hseigel
date Thu, 15 Aug 2013 20:04:10 -0400
parents 90d6c221d4e5
children 58fc8e2b7b6d e5003079dfa5
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line diff
--- a/src/share/vm/utilities/globalDefinitions.hpp	Wed Aug 14 15:12:00 2013 -0700
+++ b/src/share/vm/utilities/globalDefinitions.hpp	Thu Aug 15 20:04:10 2013 -0400
@@ -362,6 +362,8 @@
 // Klass encoding metaspace max size
 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
 
+const jlong CompressedKlassPointersBase = NOT_LP64(0) LP64_ONLY(CONST64(0x800000000));  // 32*G
+
 // Machine dependent stuff
 
 #ifdef TARGET_ARCH_x86