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7034513: enable fast accessors and empty methods for ZERO and -Xint

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Reviewed-by: kvn, iveresov
This commit is contained in:
Tom Rodriguez 2011-04-06 16:02:50 -07:00
parent 4f41ea7fff
commit 8a4683b5ed
2 changed files with 12 additions and 2 deletions
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10
hotspot/src/share/vm/runtime/arguments.cpp
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@ -962,6 +962,16 @@ void Arguments::set_mode_flags(Mode mode) {
UseCompiler = true; UseCompiler = true;
UseLoopCounter = true; UseLoopCounter = true;
#ifndef ZERO
// Turn these off for mixed and comp. Leave them on for Zero.
if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) {
UseFastAccessorMethods = mode == _int;
}
if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) {
UseFastEmptyMethods = mode == _int;
}
#endif
// Default values may be platform/compiler dependent - // Default values may be platform/compiler dependent -
// use the saved values // use the saved values
ClipInlining = Arguments::_ClipInlining; ClipInlining = Arguments::_ClipInlining;

4
hotspot/src/share/vm/runtime/globals.hpp
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@ -2726,10 +2726,10 @@ class CommandLineFlags {
product(bool, UseLoopCounter, true, \ product(bool, UseLoopCounter, true, \
"Increment invocation counter on backward branch") \ "Increment invocation counter on backward branch") \
\ \
product(bool, UseFastEmptyMethods, false, \ product(bool, UseFastEmptyMethods, true, \
"Use fast method entry code for empty methods") \ "Use fast method entry code for empty methods") \
\ \
product(bool, UseFastAccessorMethods, false, \ product(bool, UseFastAccessorMethods, true, \
"Use fast method entry code for accessor methods") \ "Use fast method entry code for accessor methods") \
\ \
product_pd(bool, UseOnStackReplacement, \ product_pd(bool, UseOnStackReplacement, \