Request for reviews (XS): 6996240: The BitSet.length method sometimes returns an index+1 value less than that of the highest bit set.
vladimir.kozlov at oracle.com
Tue Nov 2 13:00:39 PDT 2010
Never mind, it is 32 bit execution mode.
Your second webrev is good.
Vladimir Kozlov wrote:
> Thank you, Christian
> All registers on sparc are 64 bit and all operations are 64 bit.
> Which instruction produce wrong value? Did you step per instruction in
> Christian Thalinger wrote:
>> 6996240: The BitSet.length method sometimes returns an index+1 value
>> less than that of the highest bit set.
>> It's a problem with countLeadingZerosL. dst is a iRegI but is used as
>> temporary for an iRegL OR value.
>> The fix is to use a second temporary iRegL register for the OR value.
>> Tested with the failing testcase attached to the CR.
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