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diff src/share/vm/runtime/globals.hpp @ 164:c436414a719e

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6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions Summary: Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions. Reviewed-by: never, rasbold
author kvn
date Wed, 21 May 2008 13:46:23 -0700
parents 8bd1e4487c18
children 9148c65abefc
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line diff
--- a/src/share/vm/runtime/globals.hpp	Wed May 21 10:45:07 2008 -0700
+++ b/src/share/vm/runtime/globals.hpp	Wed May 21 13:46:23 2008 -0700
@@ -291,6 +291,9 @@
             "Use 32-bit object references in 64-bit VM. "                   \
             "lp64_product means flag is always constant in 32 bit VM")      \
                                                                             \
+  lp64_product(bool, CheckCompressedOops, trueInDebug,                      \
+            "generate checks in encoding/decoding code")                    \
+                                                                            \
   /* UseMembar is theoretically a temp flag used for memory barrier         \
    * removal testing.  It was supposed to be removed before FCS but has     \
    * been re-added (see 6401008) */                                         \