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diff src/share/vm/opto/callnode.hpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents 2a9af0b9cb1c
children 7793bd37a336
line wrap: on
line diff
--- a/src/share/vm/opto/callnode.hpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/src/share/vm/opto/callnode.hpp	Sun Apr 13 17:43:42 2008 -0400
@@ -725,7 +725,8 @@
 
   // Conservatively small estimate of offset of first non-header byte.
   int minimum_header_size() {
-    return is_AllocateArray() ? sizeof(arrayOopDesc) : sizeof(oopDesc);
+    return is_AllocateArray() ? arrayOopDesc::base_offset_in_bytes(T_BYTE) :
+                                instanceOopDesc::base_offset_in_bytes();
   }
 
   // Return the corresponding initialization barrier (or null if none).