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7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler

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Exercise C2 more in tiered mode with Xcomp

Reviewed-by: kvn, never
This commit is contained in:
Igor Veresov 2011-12-13 17:10:52 -08:00
parent ebdae40c34
commit 11dbaed93f
1 changed files with 7 additions and 0 deletions
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7
hotspot/src/share/vm/runtime/arguments.cpp
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@ -1000,6 +1000,13 @@ void Arguments::set_mode_flags(Mode mode) {
UseInterpreter = false; UseInterpreter = false;
BackgroundCompilation = false; BackgroundCompilation = false;
ClipInlining = false; ClipInlining = false;
// Be much more aggressive in tiered mode with -Xcomp and exercise C2 more.
// We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and
// compile a level 4 (C2) and then continue executing it.
if (TieredCompilation) {
Tier3InvokeNotifyFreqLog = 0;
Tier4InvocationThreshold = 0;
}
break; break;
} }
} }