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8072428: Enable UseLoopCounter ergonomically if on-stack-replacement is enabled

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Set UseLoopCounter ergonomically if on-stack-replacement is enabled. Print warning.

Reviewed-by: kvn
This commit is contained in:
Zoltan Majo 2016-04-18 09:39:55 +02:00
parent 611e659be1
commit acab1fddac
1 changed files with 5 additions and 0 deletions
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5
hotspot/src/share/vm/runtime/arguments.cpp
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@ -4514,6 +4514,11 @@ jint Arguments::apply_ergo() {
warning("Setting CompressedClassSpaceSize has no effect when compressed class pointers are not used");
}
if (UseOnStackReplacement && !UseLoopCounter) {
warning("On-stack-replacement requires loop counters; enabling loop counters");
FLAG_SET_DEFAULT(UseLoopCounter, true);
}
#ifndef PRODUCT
if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) {
if (use_vm_log()) {