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diff src/os_cpu/linux_sparc/vm/globals_linux_sparc.hpp @ 642:660978a2a31a

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6791178: Specialize for zero as the compressed oop vm heap base Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb. Reviewed-by: never, twisti, jcoomes, coleenp
author kvn
date Thu, 12 Mar 2009 10:37:46 -0700
parents d1605aabd0a1
children bd02caa94611
line wrap: on
line diff
--- a/src/os_cpu/linux_sparc/vm/globals_linux_sparc.hpp	Wed Mar 11 14:16:13 2009 -0700
+++ b/src/os_cpu/linux_sparc/vm/globals_linux_sparc.hpp	Thu Mar 12 10:37:46 2009 -0700
@@ -30,5 +30,7 @@
 define_pd_global(uintx, JVMInvokeMethodSlack,    12288);
 define_pd_global(intx, CompilerThreadStackSize,  0);
 
+// Only used on 64 bit platforms
+define_pd_global(uintx, HeapBaseMinAddress,      4*G);
 // Only used on 64 bit Windows platforms
 define_pd_global(bool, UseVectoredExceptions, false);