Request for reviews (S): 6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE.
Vladimir.Kozlov at Sun.COM
Thu Jan 7 11:52:52 PST 2010
Tom Rodriguez wrote:
> Looks good.
> On Jan 6, 2010, at 7:43 PM, Vladimir Kozlov wrote:
>> Fixed 6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE.
>> Block::implicit_null_check() does not check that the value
>> is used in memory expression in instructions with embedded
>> memory load. In the bug case the instruction was:
>> CmpP val,(tls+off)
>> Add the missing check.
>> Add regression test.
>> Reviewed by:
>> Fix verified (y/n): y, test
>> Other testing:
>> JPRT, CTW
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