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diff src/share/vm/opto/c2_globals.hpp @ 23471:70649f10b88c

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8129847: Compiling methods generated by Nashorn triggers high memory usage in C2 Summary: Add a new compiler phase, PhaseRenumberLive, that renumbers live nodes. Reviewed-by: kvn, thartmann, vlivanov, shade
author zmajo
date Tue, 15 Dec 2015 09:46:51 +0100
parents 9e69e8d1c900
children cf93dd06db0f
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line diff
--- a/src/share/vm/opto/c2_globals.hpp	Wed Dec 09 10:26:00 2015 -0800
+++ b/src/share/vm/opto/c2_globals.hpp	Tue Dec 15 09:46:51 2015 +0100
@@ -669,6 +669,9 @@
   product_pd(bool, TrapBasedRangeChecks,                                    \
           "Generate code for range checks that uses a cmp and trap "        \
           "instruction raising SIGTRAP. Used on PPC64.")                    \
+                                                                            \
+  develop(bool, RenumberLiveNodes, true,                                    \
+          "Renumber live nodes")                                            \
 
 C2_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG)