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8143211: provide bytecode intrinsics for loop and try/finally executors

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Reviewed-by: psandoz, redestad, vlivanov
This commit is contained in:
Michael Haupt 2016-07-04 10:08:18 +02:00
parent 99921c2f0e
commit a06c5e0f57
10 changed files with 843 additions and 297 deletions
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6
jdk/src/java.base/share/classes/java/lang/invoke/MethodHandles.java
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@ -4233,7 +4233,7 @@ assertEquals("boojum", (String) catTrace.invokeExact("boo", "jum"));
assert Stream.of(fstep, fpred, ffini).flatMap(List::stream).map(MethodHandle::type).map(MethodType::parameterList).
allMatch(pl -> pl.equals(commonParameterSequence));
return MethodHandleImpl.makeLoop(loopReturnType, commonSuffix, commonPrefix, finit, fstep, fpred, ffini);
return MethodHandleImpl.makeLoop(loopReturnType, commonSuffix, finit, fstep, fpred, ffini);
}
private static List<MethodHandle> fillParameterTypes(List<MethodHandle> hs, final List<Class<?>> targetParams) {
@ -4740,10 +4740,8 @@ assertEquals("boojum", (String) catTrace.invokeExact("boo", "jum"));
// The cleanup parameter list (minus the leading Throwable and result parameters) must be a sublist of the
// target parameter list.
cleanup = dropArgumentsToMatch(cleanup, (rtype == void.class ? 1 : 2), targetParamTypes, 0);
MethodHandle aTarget = target.asSpreader(Object[].class, target.type().parameterCount());
MethodHandle aCleanup = cleanup.asSpreader(Object[].class, targetParamTypes.size());
return MethodHandleImpl.makeTryFinally(aTarget, aCleanup, rtype, targetParamTypes);
return MethodHandleImpl.makeTryFinally(target, cleanup, rtype, targetParamTypes);
}
/**