本文整理汇总了Java中jdk.vm.ci.meta.DeoptimizationReason.RuntimeConstraint方法的典型用法代码示例。如果您正苦于以下问题：Java DeoptimizationReason.RuntimeConstraint方法的具体用法？Java DeoptimizationReason.RuntimeConstraint怎么用？Java DeoptimizationReason.RuntimeConstraint使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jdk.vm.ci.meta.DeoptimizationReason的用法示例。
在下文中一共展示了DeoptimizationReason.RuntimeConstraint方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: lower
import jdk.vm.ci.meta.DeoptimizationReason; //导入方法依赖的package包/类
@Override
public void lower(LoweringTool tool) {
if (graph().getGuardsStage().allowsFloatingGuards()) {
/*
* Don't allow guards with action None and reason RuntimeConstraint to float. In cases
* where 2 guards are testing equivalent conditions they might be lowered at the same
* location. If the guard with the None action is lowered before the other guard then
* the code will be stuck repeatedly deoptimizing without invalidating the code.
* Conditional elimination will eliminate the guard if it's truly redundant in this
* case.
*/
if (getAction() != DeoptimizationAction.None || getReason() != DeoptimizationReason.RuntimeConstraint) {
ValueNode guard = tool.createGuard(this, getCondition(), getReason(), getAction(), getSpeculation(), isNegated()).asNode();
this.replaceAtUsages(guard);
graph().removeFixed(this);
}
} else {
lowerToIf().lower(tool);
}
}
示例2: convertDeoptReason
import jdk.vm.ci.meta.DeoptimizationReason; //导入方法依赖的package包/类
public DeoptimizationReason convertDeoptReason(int reason) {
HotSpotVMConfig config = runtime.getConfig();
if (reason == config.deoptReasonNone) {
return DeoptimizationReason.None;
}
if (reason == config.deoptReasonNullCheck) {
return DeoptimizationReason.NullCheckException;
}
if (reason == config.deoptReasonRangeCheck) {
return DeoptimizationReason.BoundsCheckException;
}
if (reason == config.deoptReasonClassCheck) {
return DeoptimizationReason.ClassCastException;
}
if (reason == config.deoptReasonArrayCheck) {
return DeoptimizationReason.ArrayStoreException;
}
if (reason == config.deoptReasonUnreached0) {
return DeoptimizationReason.UnreachedCode;
}
if (reason == config.deoptReasonTypeCheckInlining) {
return DeoptimizationReason.TypeCheckedInliningViolated;
}
if (reason == config.deoptReasonOptimizedTypeCheck) {
return DeoptimizationReason.OptimizedTypeCheckViolated;
}
if (reason == config.deoptReasonNotCompiledExceptionHandler) {
return DeoptimizationReason.NotCompiledExceptionHandler;
}
if (reason == config.deoptReasonUnresolved) {
return DeoptimizationReason.Unresolved;
}
if (reason == config.deoptReasonJsrMismatch) {
return DeoptimizationReason.JavaSubroutineMismatch;
}
if (reason == config.deoptReasonDiv0Check) {
return DeoptimizationReason.ArithmeticException;
}
if (reason == config.deoptReasonConstraint) {
return DeoptimizationReason.RuntimeConstraint;
}
if (reason == config.deoptReasonLoopLimitCheck) {
return DeoptimizationReason.LoopLimitCheck;
}
if (reason == config.deoptReasonAliasing) {
return DeoptimizationReason.Aliasing;
}
if (reason == config.deoptReasonTransferToInterpreter) {
return DeoptimizationReason.TransferToInterpreter;
}
throw new JVMCIError("%x", reason);
}