Mercurial > hg > truffle
changeset 2442:c2323e2ea62b
6385687: UseFastEmptyMethods/UseFastAccessorMethods considered harmful
Reviewed-by: kvn, jrose, phh
author | never |
---|---|
date | Thu, 31 Mar 2011 21:05:55 -0700 |
parents | 8010c8c623ac |
children | f8b038506985 |
files | src/share/vm/prims/jvmtiManageCapabilities.cpp src/share/vm/runtime/globals.hpp |
diffstat | 2 files changed, 7 insertions(+), 4 deletions(-) [+] |
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--- a/src/share/vm/prims/jvmtiManageCapabilities.cpp Thu Mar 31 16:54:27 2011 -0700 +++ b/src/share/vm/prims/jvmtiManageCapabilities.cpp Thu Mar 31 21:05:55 2011 -0700 @@ -319,8 +319,11 @@ bool enter_all_methods = interp_events || avail.can_generate_breakpoint_events; - UseFastEmptyMethods = !enter_all_methods; - UseFastAccessorMethods = !enter_all_methods; + if (enter_all_methods) { + // Disable these when tracking the bytecodes + UseFastEmptyMethods = false; + UseFastAccessorMethods = false; + } if (avail.can_generate_breakpoint_events) { RewriteFrequentPairs = false;
--- a/src/share/vm/runtime/globals.hpp Thu Mar 31 16:54:27 2011 -0700 +++ b/src/share/vm/runtime/globals.hpp Thu Mar 31 21:05:55 2011 -0700 @@ -2726,10 +2726,10 @@ product(bool, UseLoopCounter, true, \ "Increment invocation counter on backward branch") \ \ - product(bool, UseFastEmptyMethods, true, \ + product(bool, UseFastEmptyMethods, false, \ "Use fast method entry code for empty methods") \ \ - product(bool, UseFastAccessorMethods, true, \ + product(bool, UseFastAccessorMethods, false, \ "Use fast method entry code for accessor methods") \ \ product_pd(bool, UseOnStackReplacement, \